H | ELECTRICITY | |||
Note(s)
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H04 | ELECTRIC COMMUNICATION TECHNIQUE | |||
Note(s) [4]
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H04N | PICTORIAL COMMUNICATION, e.g. TELEVISION [4] | |||
Note(s) [4]
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Note(s) [6]
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H04N 1/00 | Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof [2006.01] | |||
H04N 1/024 | • Details of scanning heads [2006.01] | |||
H04N 1/028 | • • for picture-information pick-up [2006.01] | |||
H04N 1/029 | • • • Heads optically focused on only one picture element at a time [2006.01] | |||
H04N 1/03 | • • • with photodetectors arranged in a substantially linear array [2006.01] | |||
H04N 1/031 | • • • • the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors [2006.01] | |||
H04N 1/032 | • • for picture-information reproduction [2006.01] | |||
H04N 1/034 | • • • using ink, e.g. ink-jet heads [2006.01] | |||
H04N 1/036 | • • • for optical reproduction [2006.01] | |||
H04N 1/04 | • Scanning arrangements (H04N 1/387 takes precedence) [2006.01] | |||
H04N 1/047 | • • | |||
H04N 1/053 | • • • in main scanning direction, e.g. synchronisation of line start or picture elements in a line [2006.01] | |||
H04N 1/06 | • • using cylindrical picture-bearing surfaces [2006.01] | |||
H04N 1/08 | • • • Mechanisms for mounting or holding the sheet around the drum [2006.01] | |||
H04N 1/10 | • • using flat picture-bearing surfaces [2006.01] | |||
H04N 1/107 | • • • with manual scanning [2006.01] | |||
H04N 1/113 | • • using oscillating or rotating mirrors [2006.01] | |||
H04N 1/12 | • • | |||
H04N 1/14 | • • • using a rotating endless belt carrying the scanning heads [2006.01] | |||
H04N 1/16 | • • • using a rotating helical element [2006.01] | |||
H04N 1/17 | • • the scanning speed being dependent on content of picture [2006.01] | |||
H04N 1/19 | • • using multi-element arrays [2006.01] | |||
H04N 1/191 | • • • the array comprising a one-dimensional array [2006.01] | |||
H04N 1/192 | • • • • Simultaneously scanning picture elements on one main scanning line [2006.01] | |||
H04N 1/193 | • • • • • using electrically scanned linear arrays [2006.01] | |||
H04N 1/195 | • • • the array comprising a two-dimensional array [2006.01] | |||
H04N 1/203 | • • Simultaneous scanning of two or more separate pictures [2006.01] | |||
H04N 1/207 | • • Simultaneous scanning of the original picture and the reproduced picture with a common scanning device [2006.01] | |||
H04N 1/21 | • Intermediate information storage (H04N 1/387, H04N 1/41 take precedence) [2006.01] | |||
H04N 1/23 | • Reproducing arrangements [2006.01] | |||
H04N 1/27 | • • involving production of a magnetic intermediate picture [2006.01] | |||
H04N 1/29 | • • involving production of an electrostatic intermediate picture [2006.01] | |||
H04N 1/31 | • • Mechanical arrangements for picture transmission, e.g. adaptation of clutches, gearing, gear transmissions [2006.01] | |||
H04N 1/32 | • Circuits or arrangements for control or supervision between transmitter and receiver [2006.01] | |||
H04N 1/327 | • • Initiating, continuing or ending a single-mode communication; Handshaking therefor [2006.01] | |||
H04N 1/333 | • • Mode signalling or mode changing; Handshaking therefor [2006.01] | |||
H04N 1/34 | • • for coin-freed systems [2006.01] | |||
H04N 1/36 | • • for synchronising or phasing transmitter and receiver [2006.01] | |||
H04N 1/38 | • Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures (H04N 1/387 takes precedence) [2006.01] | |||
H04N 1/387 | • Composing, repositioning or otherwise modifying originals [2006.01] | |||
H04N 1/393 | • • Enlarging or reducing [2006.01] | |||
H04N 1/40 | • Picture signal circuits (H04N 1/387 takes precedence) [2006.01] | |||
H04N 1/401 | • • Compensating positionaly unequal response of the pick-up or reproducing head (H04N 1/403 takes precedence) [2006.01] | |||
H04N 1/403 | • • Discrimination between the two tones in the picture signal of a two-tone original [2006.01] | |||
H04N 1/405 | • • Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels [2006.01] | |||
H04N 1/407 | • • Control or modification of tonal gradation or of extreme levels, e.g. background level [2006.01] | |||
H04N 1/409 | • • Edge or detail enhancement; Noise or error suppression [2006.01] | |||
H04N 1/41 | • | |||
H04N 1/411 | • • for the transmission or reproduction of two-tone pictures, e.g. black and white pictures [2006.01] | |||
H04N 1/413 | • • • Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information [2006.01] | |||
H04N 1/415 | • • • • in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks [2006.01] | |||
H04N 1/417 | • • • • using predictive or differential encoding [2006.01] | |||
H04N 1/419 | • • • • | |||
H04N 1/42 | • Systems for two-way working [2006.01] | |||
H04N 1/44 | • Secrecy systems [2006.01] | |||
H04N 1/46 | • Colour picture communication systems [2006.01] | |||
H04N 1/48 | • • | |||
H04N 1/50 | • • | |||
H04N 1/52 | • • Circuits or arrangements for halftone screening [2006.01] | |||
H04N 1/54 | • • Conversion of colour picture signals to a plurality of signals some of which represent particular mixed colours, e.g. for textile printing [2006.01] | |||
H04N 1/56 | • • | |||
H04N 1/58 | • • • | |||
H04N 1/60 | • • • Colour correction or control [2006.01] | |||
H04N 1/62 | • • • • Retouching, i.e. modification of isolated colours only or in isolated picture areas only [2006.01] | |||
H04N 1/64 | • • Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor [2006.01] | |||
H04N 3/00 | Scanning details of television systems; Combination thereof with generation of supply voltages [2006.01] | |||
H04N 3/02 | • | |||
H04N 3/04 | • • having a moving aperture [2006.01] | |||
H04N 3/06 | • • having a moving lens or other refractor [2006.01] | |||
H04N 3/08 | • • having a moving reflector [2006.01] | |||
H04N 3/09 | • • • for electromagnetic radiation in the invisible region, e.g. infra-red [2006.01] | |||
H04N 3/10 | • | |||
H04N 3/12 | • • by switched stationary formation of lamps, photocells, or light relays [2006.01] | |||
H04N 3/14 | • • by means of electrically scanned solid-state devices (for picture generation H04N 5/335) [2006.01] | |||
H04N 3/16 | • • by deflecting electron beam in cathode-ray tube [2006.01] | |||
H04N 3/18 | • • • Generation of supply voltages, in combination with electron beam deflecting [2006.01] | |||
H04N 3/185 | • • • • Maintaining dc voltage constant [2006.01] | |||
H04N 3/19 | • • • • Arrangements or assemblies in supply circuits for the purpose of withstanding high voltages [2006.01] | |||
H04N 3/20 | • • • Prevention of damage to cathode-ray tubes in event of failure of scanning [2006.01] | |||
H04N 3/22 | • • • Circuits for controlling dimensions, shape or centering of picture on screen [2006.01] | |||
H04N 3/223 | • • • • Controlling dimensions (by maintaining the cathode-ray tube high voltage constant H04N 3/185) [2006.01] | |||
H04N 3/227 | • • • • Centering [2006.01] | |||
H04N 3/23 | • • • • Distortion correction, e.g. for pincushion distortion correction, S-correction [2006.01] | |||
H04N 3/233 | • • • • • using active elements [2006.01] | |||
H04N 3/237 | • • • • • using passive elements [2006.01] | |||
H04N 3/24 | • • • Blanking circuits [2006.01] | |||
H04N 3/26 | • • • Modifications of scanning arrangements to improve focusing [2006.01] | |||
H04N 3/27 | • • • Circuits special to multi-standard receivers [2006.01] | |||
H04N 3/28 | • • producing multiple scanning, i.e. using more than one spot at the same time [2006.01] | |||
H04N 3/30 | • • otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines [2006.01] | |||
H04N 3/32 | • • • Velocity varied in dependence upon picture information [2006.01] | |||
H04N 3/34 | • • • Elemental scanning area oscillated rapidly in direction transverse to main scanning direction [2006.01] | |||
H04N 3/36 | • Scanning of motion picture films, e.g. for telecine [2006.01] | |||
H04N 3/38 | • • with continuously moving film [2006.01] | |||
H04N 3/40 | • • with intermittently moving film [2006.01] | |||
H04N 5/00 | ||||
H04N 5/04 | • | |||
H04N 5/05 | • • Synchronising circuits with arrangements for extending range of synchronisation, e.g. by using switching between several time constants [2006.01] | |||
H04N 5/06 | • • Generation of synchronising signals [2006.01] | |||
H04N 5/067 | • • • Arrangements or circuits at the transmitter end [2006.01] | |||
H04N 5/073 | • • • • for mutually locking plural sources of synchronising signals, e.g. studios or relay stations [2006.01] | |||
H04N 5/08 | • • Separation of synchronising signals from picture signals [2006.01] | |||
H04N 5/10 | • • • Separation of line synchronising signal from frame synchronising signal [2006.01] | |||
H04N 5/12 | • • Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising [2006.01] | |||
H04N 5/14 | • Picture signal circuitry for video frequency region (H04N 5/222 takes precedence) [2006.01] | |||
H04N 5/16 | • • Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level [2006.01] | |||
H04N 5/18 | • • • by means of "clamp" circuit operated by switching circuit [2006.01] | |||
H04N 5/20 | • • Circuitry for controlling amplitude response [2006.01] | |||
H04N 5/202 | • • • Gamma control [2006.01] | |||
H04N 5/205 | • • • for correcting amplitude versus frequency characteristic [2006.01] | |||
H04N 5/208 | • • • • for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction [2006.01] | |||
H04N 5/21 | • • Circuitry for suppressing or minimising disturbance, e.g. moire or halo [2006.01] | |||
H04N 5/213 | • • • Circuitry for suppressing or minimising impulsive noise (H04N 5/217 takes precedence) [2006.01] | |||
H04N 5/217 | • • • in picture signal generation [2011.01] | |||
H04N 5/222 | • Studio circuitry; Studio devices; Studio equipment [2006.01] | |||
H04N 5/225 | • • Television cameras [2006.01] | |||
H04N 5/228 | • • • Circuit details for pick-up tubes [2006.01] | |||
H04N 5/232 | • • • Devices for controlling television cameras, e.g. remote control (H04N 5/235 takes precedence) [2006.01] | |||
H04N 5/235 | • • • Circuitry for compensating for variation in the brightness of the object [2006.01] | |||
H04N 5/238 | • • • • by influencing optical part of the camera [2006.01] | |||
H04N 5/243 | • • • • by influencing the picture signal [2006.01] | |||
H04N 5/247 | • • • Arrangement of television cameras [2006.01] | |||
H04N 5/253 | • • | |||
H04N 5/257 | • • | |||
H04N 5/262 | • • Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects [2006.01] | |||
H04N 5/265 | • • • Mixing [2006.01] | |||
H04N 5/268 | • • • Signal distribution or switching [2006.01] | |||
H04N 5/272 | • • • Means for inserting a foreground image in a background image, i.e. inlay, outlay [2006.01] | |||
H04N 5/275 | • • • • Generation of keying signals [2006.01] | |||
H04N 5/278 | • • • Subtitling [2006.01] | |||
H04N 5/28 | • • Mobile studios [2006.01] | |||
H04N 5/30 | • Transforming light or analogous information into electric information (H04N 5/222 takes precedence; scanning details H04N 3/00) [2006.01] | |||
H04N 5/32 | • • Transforming X-rays [2006.01] | |||
H04N 5/321 | • • • with video transmission of fluoroscopic images [2006.01] | |||
H04N 5/325 | • • • • Image enhancement, e.g. by subtraction techniques using polyenergetic X-rays [2006.01] | |||
H04N 5/33 | • • Transforming infra-red radiation [2006.01] | |||
H04N 5/335 | • • | |||
• • Note(s) [2011.01]
| ||||
H04N 5/341 | • • • Extracting pixel data from an image sensor by controlling scanning circuits, e.g. by modifying the number of pixels having been sampled or to be sampled [2011.01] | |||
H04N 5/343 | • • • • by switching between different modes of operation using different resolutions or aspect ratios, e.g. between still and video mode or between interlaced and non-interlaced mode [2011.01] | |||
H04N 5/345 | • • • • by partially reading an SSIS array [2011.01] | |||
H04N 5/347 | • • • • by combining or binning pixels in SSIS [2011.01] | |||
H04N 5/349 | • • • • for increasing resolution by shifting the sensor relative to the scene [2011.01] | |||
H04N 5/351 | • • • Control of the SSIS depending on the scene, e.g. brightness or motion in the scene [2011.01] | |||
H04N 5/353 | • • • • Control of the integration time [2011.01] | |||
H04N 5/355 | • • • • Control of the dynamic range [2011.01] | |||
H04N 5/357 | • • • Noise processing, e.g. detecting, correcting, reducing or removing noise [2011.01] | |||
H04N 5/359 | • • • • applied to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels [2011.01] | |||
H04N 5/361 | • • • • applied to dark current [2011.01] | |||
H04N 5/363 | • • • • applied to reset noise, e.g. KTC noise [2011.01] | |||
H04N 5/365 | • • • • applied to fixed-pattern noise, e.g. non-uniformity of response [2011.01] | |||
H04N 5/367 | • • • • • applied to defects, e.g. non-responsive pixels [2011.01] | |||
H04N 5/369 | • • • SSIS architecture; Circuitry associated therewith [2011.01] | |||
H04N 5/372 | • • • • Charge-coupled device [CCD] sensors; Time delay and integration [TDI] registers or shift registers specially adapted for SSIS [2011.01] | |||
H04N 5/3722 | • • • • • using frame interline transfer [FIT] [2011.01] | |||
H04N 5/3725 | • • • • • using frame transfer [FT] [2011.01] | |||
H04N 5/3728 | • • • • • using interline transfer [IT] [2011.01] | |||
H04N 5/374 | • • • • Addressed sensors, e.g. MOS or CMOS sensors [2011.01] | |||
H04N 5/3745 | • • • • • having additional components embedded within a pixel or connected to a group of pixels within a sensor matrix, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components [2011.01] | |||
H04N 5/376 | • • • • Addressing circuits [2011.01] | |||
H04N 5/378 | • • • • Readout circuits, e.g. correlated double sampling [CDS] circuits, output amplifiers or A/D converters [2011.01] | |||
H04N 5/38 | • | |||
H04N 5/40 | • • Modulation circuits [2006.01] | |||
H04N 5/42 | • • for transmitting at will black-and-white or colour signals [2006.01] | |||
H04N 5/44 | • | |||
H04N 5/445 | • • | |||
H04N 5/45 | • • • Picture in picture [2011.01] | |||
H04N 5/455 | • • Demodulation-circuits [2006.01] | |||
H04N 5/46 | • • | |||
H04N 5/50 | • • Tuning indicators; Automatic tuning control [2006.01] | |||
H04N 5/52 | • • Automatic gain control [2006.01] | |||
H04N 5/53 | • • • Keyed automatic gain control [2006.01] | |||
H04N 5/54 | • • • | |||
H04N 5/56 | • • • | |||
H04N 5/57 | • • Control of contrast or brightness [2006.01] | |||
H04N 5/58 | • • • in dependence upon ambient light [2006.01] | |||
H04N 5/59 | • • • in dependence upon beam current of cathode ray tube [2006.01] | |||
H04N 5/60 | • • for the sound signals [2006.01] | |||
H04N 5/62 | • • • Intercarrier circuits, i.e. heterodyning sound and vision carriers [2006.01] | |||
H04N 5/63 | • Generation or supply of power specially adapted for television receivers [2006.01] | |||
H04N 5/64 | • Constructional details of receivers, e.g. cabinets or dust covers (furniture aspects A47B 81/06) [2006.01] | |||
H04N 5/645 | • • Mounting of picture tube on chassis or in housing [2006.01] | |||
H04N 5/65 | • • Holding-devices for protective discs or for picture masks [2006.01] | |||
H04N 5/655 | • • Construction or mounting of chassis, e.g. for varying the elevation of the tube [2006.01] | |||
H04N 5/66 | • | |||
H04N 5/68 | • • Circuit details for cathode-ray display tubes [2006.01] | |||
H04N 5/70 | • • Circuit details for electroluminescent devices [2006.01] | |||
H04N 5/72 | • Modifying the appearance of television pictures by optical filters or diffusing screens [2006.01] | |||
H04N 5/74 | • Projection arrangements for image reproduction, e.g. using eidophor [2006.01] | |||
H04N 5/76 | • Television signal recording [2006.01] | |||
H04N 5/761 | • • Systems for programming the time at which predetermined television channels will be selected for recording [2006.01] | |||
H04N 5/7613 | • • • by using data entered by the user and a reference timing clock incorporated in the recorder [2006.01] | |||
H04N 5/7617 | • • • by using data entered by the user and reference data transmitted by the broadcasting station [2006.01] | |||
H04N 5/765 | • • | |||
H04N 5/77 | • • • | |||
H04N 5/775 | • • • | |||
H04N 5/78 | • • | |||
H04N 5/781 | • • • on disks or drums [2006.01] | |||
H04N 5/782 | • • • on tape [2006.01] | |||
H04N 5/7822 | • • • • with stationary magnetic heads [2006.01] | |||
H04N 5/7824 | • • • • with rotating magnetic heads [2006.01] | |||
H04N 5/7826 | • • • • • involving helical scanning of the magnetic tape [2006.01] | |||
H04N 5/7828 | • • • • • involving transversal scanning of the magnetic tape [2006.01] | |||
H04N 5/783 | • • • • Adaptations for reproducing at a rate different from the recording rate [2006.01] | |||
H04N 5/784 | • • • on a sheet [2006.01] | |||
H04N 5/80 | • • | |||
H04N 5/82 | • • • using deformable thermoplastic recording medium [2006.01] | |||
H04N 5/83 | • • • • on disks or drums [2006.01] | |||
H04N 5/84 | • • | |||
H04N 5/85 | • • • on discs or drums [2006.01] | |||
H04N 5/87 | • • • Producing a motion picture film from a television signal [2006.01] | |||
H04N 5/89 | • • | |||
H04N 5/90 | • • • on discs or drums [2006.01] | |||
H04N 5/903 | • • | |||
H04N 5/907 | • • | |||
H04N 5/91 | • • Television signal processing therefor [2006.01] | |||
H04N 5/911 | • • • for the suppression of noise [2006.01] | |||
H04N 5/913 | • • • for scrambling [2006.01] | |||
H04N 5/915 | • • • for field- or frame-skip recording or reproducing [2006.01] | |||
H04N 5/917 | • • • for bandwidth reduction [2006.01] | |||
H04N 5/919 | • • • • by dividing samples or signal segments, e.g. television lines, among a plurality of recording channels [2006.01] | |||
H04N 5/92 | • • • Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback [2006.01] | |||
H04N 5/921 | • • • • by recording or reproducing the baseband signal [2006.01] | |||
H04N 5/922 | • • • • by modulation of the signal on a carrier wave, e.g. amplitude or frequency modulation [2006.01] | |||
H04N 5/923 | • • • • using preemphasis of the signal before modulation and deemphasis of the signal after demodulation [2006.01] | |||
H04N 5/924 | • • • • using duty cycle modulation [2006.01] | |||
H04N 5/926 | • • • • by pulse code modulation (H04N 5/919 takes precedence) [2006.01] | |||
H04N 5/928 | • • • • the sound signal being pulse code modulated and recorded in time division multiplex with the modulated video signal [2006.01] | |||
H04N 5/93 | • • • Regeneration of the television signal or of selected parts thereof [2006.01] | |||
H04N 5/931 | • • • • for restoring the level of the reproduced signal [2006.01] | |||
H04N 5/932 | • • • • Regeneration of analogue synchronisation signals [2006.01] | |||
H04N 5/935 | • • • • Regeneration of digital synchronisation signals [2006.01] | |||
H04N 5/937 | • • • • by assembling picture element blocks in an intermediate store [2006.01] | |||
H04N 5/94 | • • • • Signal drop-out compensation [2006.01] | |||
H04N 5/945 | • • • • • for signals recorded by pulse code modulation [2006.01] | |||
H04N 5/95 | • • • • Time-base error compensation [2006.01] | |||
H04N 5/953 | • • • • • | |||
H04N 5/956 | • • • • • by using a digital memory with independent write-in and read-out clock generators [2006.01] | |||
H04N 7/00 | Television systems (details H04N 3/00, H04N 5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N 19/00; selective content distribution H04N 21/00) [2011.01] | |||
H04N 7/01 | • Conversion of standards [2006.01] | |||
H04N 7/015 | • High-definition television systems [2006.01] | |||
H04N 7/025 | • Systems for transmission of digital non-picture data, e.g. of text during the active part of a television frame [2006.01] | |||
H04N 7/03 | • • Subscription systems therefor [2006.01] | |||
H04N 7/035 | • • Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal [2006.01] | |||
H04N 7/04 | • Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier [2006.01] | |||
H04N 7/045 | • • the carrier being frequency modulated [2006.01] | |||
H04N 7/06 | • Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier [2006.01] | |||
H04N 7/08 | • Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band [2006.01] | |||
H04N 7/081 | • • the additional information signals being transmitted by means of a subcarrier [2006.01] | |||
H04N 7/083 | • • with signal insertion during the vertical and the horizontal blanking interval [2006.01] | |||
H04N 7/084 | • • with signal insertion during the horizontal blanking interval [2006.01] | |||
H04N 7/085 | • • • the inserted signal being digital [2006.01] | |||
H04N 7/087 | • • with signal insertion during the vertical blanking interval [2006.01] | |||
H04N 7/088 | • • • the inserted signal being digital [2006.01] | |||
H04N 7/10 | • | |||
H04N 7/12 | • | |||
H04N 7/14 | • Systems for two-way working (H04N 7/173 takes precedence) [2006.01] | |||
H04N 7/15 | • • Conference systems [2006.01] | |||
H04N 7/16 | • Analogue secrecy systems; Analogue subscription systems [2011.01] | |||
H04N 7/167 | • • Systems rendering the television signal unintelligible and subsequently intelligible [2011.01] | |||
H04N 7/169 | • • • Systems operating in the time domain of the television signal [2011.01] | |||
H04N 7/171 | • • • Systems operating in the amplitude domain of the television signal [2011.01] | |||
H04N 7/173 | • • with two-way working, e.g. subscriber sending a programme selection signal [2011.01] | |||
H04N 7/18 | • Closed-circuit television systems, i.e. systems in which the signal is not broadcast [2006.01] | |||
H04N 7/20 | • Adaptations for transmission via a GHz frequency band, e.g. via satellite [2006.01] | |||
H04N 7/22 | • Adaptations for optical transmission [2006.01] | |||
H04N 7/24 | • Systems for the transmission of television signals using pulse code modulation (H04N 21/00 takes precedence) [2011.01] | |||
H04N 7/52 | • • Systems for transmission of a pulse code modulated with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal (assembling of a multiplex stream by combining a video stream with other content or additional data, remultiplexing of multiplex streams, insertion of stuffing bits into the multiplex stream, assembling of a packetised elementary stream at server side H04N 21/236; disassembling of a multiplex stream, remultiplexing of multiplex streams, extraction or processing of Service Information, disassembling of packetised elementary stream at client side H04N 21/434) [2011.01] | |||
H04N 7/54 | • • • the signals being synchronous [2006.01] | |||
H04N 7/56 | • • • • Synchronising systems therefor [2006.01] | |||
H04N 9/00 | Details of colour television systems [2006.01] | |||
H04N 9/04 | • | |||
H04N 9/07 | • • with one pick-up device only [2006.01] | |||
H04N 9/077 | • • • whereby the colour signals are characterised by their phase [2006.01] | |||
H04N 9/083 | • • • whereby the colour signals are characterised by their frequency [2006.01] | |||
H04N 9/09 | • • with more than one pick-up device [2006.01] | |||
H04N 9/093 | • • • Systems for avoiding or correcting misregistration of video signals [2006.01] | |||
H04N 9/097 | • • • Optical arrangements associated therewith, e.g. for beam-splitting, for colour correction [2006.01] | |||
H04N 9/10 | • • | |||
H04N 9/11 | • • Scanning of colour motion picture films, e.g. for telecine [2006.01] | |||
H04N 9/12 | • | |||
H04N 9/14 | • • using optical-mechanical scanning means only [2006.01] | |||
H04N 9/16 | • • | |||
H04N 9/18 | • • • | |||
H04N 9/20 | • • • • with more than one beam in a tube [2006.01] | |||
H04N 9/22 | • • • | |||
H04N 9/24 | • • • • using means, integral with, or external to, the tube, for producing signal indicating instantaneous beam position [2006.01] | |||
H04N 9/26 | • • • • using electron-optical colour selection means, e.g. line grid, deflection means in or near the gun or near the phosphor screen [2006.01] | |||
H04N 9/27 | • • • with variable depth of penetration of electron beam into the luminescent layer, e.g. penetrons [2006.01] | |||
H04N 9/28 | • • • Arrangements for convergence or focusing [2006.01] | |||
H04N 9/285 | • • • • using quadrupole lenses [2006.01] | |||
H04N 9/29 | • • • using demagnetisation or compensation of external magnetic fields [2006.01] | |||
H04N 9/30 | • • using solid-state colour display devices [2006.01] | |||
H04N 9/31 | • • Projection devices for colour picture display [2006.01] | |||
H04N 9/43 | • Conversion of monochrome picture signals to colour picture signals for colour picture display [2006.01] | |||
H04N 9/44 | • Colour synchronisation [2006.01] | |||
H04N 9/45 | • • Generation or recovery of colour sub-carriers [2006.01] | |||
H04N 9/455 | • • | |||
H04N 9/465 | • • | |||
H04N 9/47 | • • for sequential signals [2006.01] | |||
H04N 9/475 | • • for mutually locking different synchronisation sources [2006.01] | |||
H04N 9/64 | • | |||
H04N 9/65 | • • for synchronous modulators [2006.01] | |||
H04N 9/66 | • • for synchronous demodulators [2006.01] | |||
H04N 9/67 | • • for matrixing [2006.01] | |||
H04N 9/68 | • • | |||
H04N 9/69 | • • • for modifying the colour signals by gamma correction [2006.01] | |||
H04N 9/70 | • • for colour killing [2006.01] | |||
H04N 9/71 | • • • combined with colour gain control [2006.01] | |||
H04N 9/72 | • • for reinsertion of dc and slowly varying components of colour signals [2006.01] | |||
H04N 9/73 | • • colour balance circuits, e.g. white balance circuits, colour temperature control [2006.01] | |||
H04N 9/74 | • • | |||
H04N 9/75 | • • • Chroma key [2006.01] | |||
H04N 9/76 | • • • | |||
H04N 9/77 | • | |||
H04N 9/78 | • • for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter [2006.01] | |||
H04N 9/79 | • Processing of colour television signals in connection with recording [2006.01] | |||
H04N 9/793 | • • for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits [2006.01] | |||
H04N 9/797 | • • for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal (H04N 9/804, H04N 9/81, H04N 9/82 take precedence) [2006.01] | |||
H04N 9/80 | • • Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback [2006.01] | |||
H04N 9/802 | • • • involving processing of the sound signal (H04N 9/806, H04N 9/835 take precedence) [2006.01] | |||
H04N 9/804 | • • • involving pulse code modulation of the colour picture signal components [2006.01] | |||
H04N 9/806 | • • • • with processing of the sound signal [2006.01] | |||
H04N 9/808 | • • • involving pulse code modulation of the composite colour video-signal [2006.01] | |||
H04N 9/81 | • • • the individual colour picture signal components being recorded sequentially only [2006.01] | |||
H04N 9/815 | • • • • the luminance signal and the sequential colour component signals being recorded in separate recording channels [2006.01] | |||
H04N 9/82 | • • • the individual colour picture signal components being recorded simultaneously only [2006.01] | |||
H04N 9/825 | • • • • the luminance and chrominance signals being recorded in separate channels [2006.01] | |||
H04N 9/83 | • • • • the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal [2006.01] | |||
H04N 9/835 | • • • • • involving processing of the sound signal [2006.01] | |||
H04N 9/84 | • • • • • | |||
H04N 9/85 | • • • • the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving [2006.01] | |||
H04N 9/86 | • • • | |||
H04N 9/87 | • • | |||
H04N 9/873 | • • • for restoring the colour component sequence of the reproduced signal [2006.01] | |||
H04N 9/877 | • • • by assembling picture element blocks in an intermediate memory [2006.01] | |||
H04N 9/88 | • • • Signal drop-out compensation [2006.01] | |||
H04N 9/882 | • • • • the signal being a composite colour television signal [2006.01] | |||
H04N 9/885 | • • • • • using a digital intermediate memory [2006.01] | |||
H04N 9/888 | • • • • for signals recorded by pulse code modulation [2006.01] | |||
H04N 9/89 | • • • Time-base error compensation [2006.01] | |||
H04N 9/893 | • • • • | |||
H04N 9/896 | • • • • using a digital memory with independent write-in and read-out clock generators [2006.01] | |||
H04N 9/898 | • • • using frequency multiplication of the reproduced colour signal with another auxiliary reproduced signal, e.g. a pilot signal carrier [2006.01] | |||
H04N 11/00 | ||||
H04N 11/02 | • with bandwidth reduction (H04N 11/04 takes precedence) [2006.01] | |||
H04N 11/04 | • using pulse code modulation [2006.01] | |||
H04N 11/06 | • Transmission systems characterised by the manner in which the individual colour picture signal components are combined [2006.01] | |||
H04N 11/08 | • • using sequential signals only (dot sequential systems H04N 11/12) [2006.01] | |||
H04N 11/10 | • • • in which colour signals are inserted in the blanking interval of brightness signal [2006.01] | |||
H04N 11/12 | • • using simultaneous signals only [2006.01] | |||
H04N 11/14 | • • • | |||
H04N 11/16 | • • • • | |||
H04N 11/18 | • • | |||
H04N 11/20 | • • Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards [2006.01] | |||
H04N 11/22 | • • • in which simultaneous signals are converted into sequential signals or vice versa [2006.01] | |||
H04N 11/24 | • High-definition television systems [2006.01] | |||
H04N 13/00 | Stereoscopic television systems; Details thereof [2006.01] | |||
H04N 13/02 | • | |||
H04N 13/04 | • | |||
H04N 15/00 | Stereoscopic colour television systems; Details thereof [2006.01] | |||
H04N 17/00 | Diagnosis, testing or measuring for television systems or their details [2006.01] | |||
H04N 17/02 | • for colour television signals [2006.01] | |||
H04N 17/04 | • for receivers [2006.01] | |||
H04N 17/06 | • for recorders [2006.01] | |||
H04N 19/00 | Methods or arrangements for coding, decoding, compressing or decompressing digital video signals [2014.01] | |||
H04N 19/10 | • using adaptive coding [2014.01] | |||
• Note(s) [2014.01]
| ||||
H04N 19/102 | • • characterised by the element, parameter or selection affected or controlled by the adaptive coding [2014.01] | |||
H04N 19/103 | • • • Selection of coding mode or of prediction mode [2014.01] | |||
H04N 19/105 | • • • • Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction [2014.01] | |||
H04N 19/107 | • • • • between spatial and temporal predictive coding, e.g. picture refresh [2014.01] | |||
H04N 19/109 | • • • • among a plurality of temporal predictive coding modes [2014.01] | |||
H04N 19/11 | • • • • among a plurality of spatial predictive coding modes [2014.01] | |||
H04N 19/112 | • • • • according to a given display mode, e.g. for interlaced or progressive display mode [2014.01] | |||
H04N 19/114 | • • • • Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames (H04N 19/107 takes precedence) [2014.01] | |||
H04N 19/115 | • • • Selection of the code volume for a coding unit prior to coding [2014.01] | |||
H04N 19/117 | • • • Filters, e.g. for pre-processing or post-processing (sub-band filter banks H04N 19/635) [2014.01] | |||
H04N 19/119 | • • • Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks [2014.01] | |||
H04N 19/12 | • • • Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264 [2014.01] | |||
• • • Note(s) [2014.01]
| ||||
H04N 19/122 | • • • • Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type [2014.01] | |||
H04N 19/124 | • • • Quantisation [2014.01] | |||
H04N 19/126 | • • • • Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers [2014.01] | |||
H04N 19/127 | • • • Prioritisation of hardware or computational resources [2014.01] | |||
H04N 19/129 | • • • Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO] [2014.01] | |||
H04N 19/13 | • • • Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC] [2014.01] | |||
H04N 19/132 | • • • Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking [2014.01] | |||
H04N 19/134 | • • characterised by the element, parameter or criterion affecting or controlling the adaptive coding [2014.01] | |||
H04N 19/136 | • • • Incoming video signal characteristics or properties [2014.01] | |||
H04N 19/137 | • • • • Motion inside a coding unit, e.g. average field, frame or block difference [2014.01] | |||
H04N 19/139 | • • • • • Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability [2014.01] | |||
H04N 19/14 | • • • • Coding unit complexity, e.g. amount of activity or edge presence estimation (H04N 19/146 takes precedence) [2014.01] | |||
H04N 19/142 | • • • Detection of scene cut or scene change [2014.01] | |||
H04N 19/146 | • • • Data rate or code amount at the encoder output [2014.01] | |||
H04N 19/147 | • • • • according to rate distortion criteria (rate-distortion as a criterion for motion estimation H04N 19/567) [2014.01] | |||
H04N 19/149 | • • • • by estimating the code amount by means of a model, e.g. mathematical model or statistical model [2014.01] | |||
H04N 19/15 | • • • • by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer [2014.01] | |||
H04N 19/152 | • • • • by measuring the fullness of the transmission buffer [2014.01] | |||
H04N 19/154 | • • • Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion (use of rate-distortion criteria H04N 19/147) [2014.01] | |||
H04N 19/156 | • • • Availability of hardware or computational resources, e.g. encoding based on power-saving criteria [2014.01] | |||
H04N 19/157 | • • • Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter [2014.01] | |||
H04N 19/159 | • • • • Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction [2014.01] | |||
H04N 19/16 | • • • • for a given display mode, e.g. for interlaced or progressive display mode [2014.01] | |||
H04N 19/162 | • • • User input [2014.01] | |||
H04N 19/164 | • • • Feedback from the receiver or from the transmission channel [2014.01] | |||
H04N 19/166 | • • • • concerning the amount of transmission errors, e.g. bit error rate [BER] [2014.01] | |||
H04N 19/167 | • • • Position within a video image, e.g. region of interest [ROI] [2014.01] | |||
H04N 19/169 | • • characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding [2014.01] | |||
H04N 19/17 | • • • the unit being an image region, e.g. an object [2014.01] | |||
H04N 19/172 | • • • • the region being a picture, frame or field [2014.01] | |||
H04N 19/174 | • • • • | |||
H04N 19/176 | • • • • the region being a block, e.g. a macroblock [2014.01] | |||
H04N 19/177 | • • • the unit being a group of pictures [GOP] [2014.01] | |||
H04N 19/179 | • • • the unit being a scene or a shot [2014.01] | |||
H04N 19/18 | • • • the unit being a set of transform coefficients [2014.01] | |||
H04N 19/182 | • • • the unit being a pixel [2014.01] | |||
H04N 19/184 | • • • the unit being bits, e.g. of the compressed video stream [2014.01] | |||
H04N 19/186 | • • • the unit being a colour or a chrominance component [2014.01] | |||
H04N 19/187 | • • • the unit being a scalable video layer [2014.01] | |||
H04N 19/189 | • • characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding [2014.01] | |||
H04N 19/19 | • • • using optimisation based on Lagrange multipliers [2014.01] | |||
H04N 19/192 | • • • | |||
H04N 19/194 | • • • • involving only two passes [2014.01] | |||
H04N 19/196 | • • • being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters (processing of motion vectors H04N 19/513) [2014.01] | |||
H04N 19/20 | • using video object coding [2014.01] | |||
H04N 19/21 | • • with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE] [2014.01] | |||
H04N 19/23 | • • with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic [2014.01] | |||
H04N 19/25 | • • with scene description coding, e.g. binary format for scenes [BIFS] compression [2014.01] | |||
H04N 19/27 | • • involving both synthetic and natural picture components, e.g. synthetic natural hybrid coding [SNHC] [2014.01] | |||
H04N 19/29 | • • involving scalability at the object level, e.g. video object layer [VOL] [2014.01] | |||
H04N 19/30 | • using hierarchical techniques, e.g. scalability (H04N 19/63 takes precedence) [2014.01] | |||
H04N 19/31 | • • in the temporal domain [2014.01] | |||
H04N 19/33 | • • in the spatial domain [2014.01] | |||
H04N 19/34 | • • Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS] [2014.01] | |||
H04N 19/36 | • • Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability [2014.01] | |||
H04N 19/37 | • • with arrangements for assigning different transmission priorities to video input data or to video coded data [2014.01] | |||
H04N 19/39 | • • involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data [2014.01] | |||
H04N 19/40 | • using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream [2014.01] | |||
H04N 19/42 | • characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation (H04N 19/635 takes precedence) [2014.01] | |||
H04N 19/423 | • • characterised by memory arrangements (H04N 19/433 takes precedence) [2014.01] | |||
H04N 19/426 | • • • using memory downsizing methods [2014.01] | |||
H04N 19/43 | • • Hardware specially adapted for motion estimation or compensation [2014.01] | |||
H04N 19/433 | • • • characterised by techniques for memory access [2014.01] | |||
H04N 19/436 | • • using parallelised computational arrangements [2014.01] | |||
H04N 19/44 | • Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder [2014.01] | |||
H04N 19/46 | • Embedding additional information in the video signal during the compression process (H04N 19/517, H04N 19/68, H04N 19/70 take precedence) [2014.01] | |||
H04N 19/463 | • • by compressing encoding parameters before transmission [2014.01] | |||
H04N 19/467 | • • characterised by the embedded information being invisible, e.g. watermarking [2014.01] | |||
H04N 19/48 | • using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data (motion estimation in a transform domain H04N 19/547; processing of decoded motion vectors H04N 19/513) [2014.01] | |||
H04N 19/50 | • using predictive coding (H04N 19/61 takes precedence) [2014.01] | |||
H04N 19/503 | • • involving temporal prediction (adaptive coding with adaptive selection between spatial and temporal predictive coding H04N 19/107; adaptive coding with adaptive selection among a plurality of temporal predictive coding modes H04N 19/109) [2014.01] | |||
H04N 19/507 | • • • using conditional replenishment [2014.01] | |||
H04N 19/51 | • • • Motion estimation or motion compensation [2014.01] | |||
H04N 19/513 | • • • • Processing of motion vectors [2014.01] | |||
H04N 19/517 | • • • • • by encoding [2014.01] | |||
H04N 19/52 | • • • • • • by predictive encoding [2014.01] | |||
H04N 19/523 | • • • • with sub-pixel accuracy [2014.01] | |||
H04N 19/527 | • • • • Global motion vector estimation [2014.01] | |||
H04N 19/53 | • • • • Multi-resolution motion estimation; Hierarchical motion estimation [2014.01] | |||
H04N 19/533 | • • • • Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS] [2014.01] | |||
H04N 19/537 | • • • • Motion estimation other than block-based [2014.01] | |||
H04N 19/54 | • • • • • using feature points or meshes [2014.01] | |||
H04N 19/543 | • • • • • using regions [2014.01] | |||
H04N 19/547 | • • • • Motion estimation performed in a transform domain [2014.01] | |||
H04N 19/55 | • • • • Motion estimation with spatial constraints, e.g. at image or region borders [2014.01] | |||
H04N 19/553 | • • • • Motion estimation dealing with occlusions [2014.01] | |||
H04N 19/557 | • • • • Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit [2014.01] | |||
H04N 19/56 | • • • • Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search [2014.01] | |||
H04N 19/563 | • • • • Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes [2014.01] | |||
H04N 19/567 | • • • • Motion estimation based on rate distortion criteria [2014.01] | |||
H04N 19/57 | • • • • Motion estimation characterised by a search window with variable size or shape [2014.01] | |||
H04N 19/573 | • • • • Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction [2014.01] | |||
H04N 19/577 | • • • • Motion compensation with bidirectional frame interpolation, i.e. using B-pictures [2014.01] | |||
H04N 19/58 | • • • • Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one (H04N 19/23 takes precedence) [2014.01] | |||
H04N 19/583 | • • • • Motion compensation with overlapping blocks [2014.01] | |||
H04N 19/587 | • • involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence [2014.01] | |||
H04N 19/59 | • • involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution [2014.01] | |||
H04N 19/593 | • • involving spatial prediction techniques [2014.01] | |||
H04N 19/597 | • • specially adapted for multi-view video sequence encoding [2014.01] | |||
H04N 19/60 | • using transform coding [2014.01] | |||
H04N 19/61 | • • in combination with predictive coding [2014.01] | |||
H04N 19/615 | • • • using motion compensated temporal filtering [MCTF] [2014.01] | |||
H04N 19/62 | • • by frequency transforming in three dimensions (H04N 19/63 takes precedence) [2014.01] | |||
H04N 19/625 | • • using discrete cosine transform [DCT] [2014.01] | |||
H04N 19/63 | • • using sub-band based transform, e.g. wavelets [2014.01] | |||
H04N 19/635 | • • • characterised by filter definition or implementation details [2014.01] | |||
H04N 19/64 | • • • characterised by ordering of coefficients or of bits for transmission [2014.01] | |||
H04N 19/645 | • • • • by grouping of coefficients into blocks after the transform [2014.01] | |||
H04N 19/65 | • using error resilience [2014.01] | |||
H04N 19/66 | • • involving data partitioning, i.e. separation of data into packets or partitions according to importance [2014.01] | |||
H04N 19/67 | • • involving unequal error protection [UEP], i.e. providing protection according to the importance of the data [2014.01] | |||
H04N 19/68 | • • involving the insertion of resynchronisation markers into the bitstream [2014.01] | |||
H04N 19/69 | • • involving reversible variable length codes [RVLC] [2014.01] | |||
H04N 19/70 | • | |||
H04N 19/80 | • Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation (H04N 19/635, H04N 19/86 take precedence) [2014.01] | |||
H04N 19/82 | • • involving filtering within a prediction loop [2014.01] | |||
H04N 19/85 | • using pre-processing or post-processing specially adapted for video compression [2014.01] | |||
H04N 19/86 | • • involving reduction of coding artifacts, e.g. of blockiness [2014.01] | |||
H04N 19/87 | • • involving scene cut or scene change detection in combination with video compression [2014.01] | |||
H04N 19/88 | • • involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks [2014.01] | |||
H04N 19/89 | • • involving methods or arrangements for detection of transmission errors at the decoder [2014.01] | |||
H04N 19/895 | • • • in combination with error concealment [2014.01] | |||
H04N 19/90 | • using coding techniques not provided for in groups H04N 19/10-H04N 19/85, e.g. fractals [2014.01] | |||
H04N 19/91 | • • Entropy coding, e.g. variable length coding [VLC] or arithmetic coding [2014.01] | |||
H04N 19/93 | • • Run-length coding [2014.01] | |||
H04N 19/94 | • • Vector quantisation [2014.01] | |||
H04N 19/96 | • • Tree coding, e.g. quad-tree coding [2014.01] | |||
H04N 19/97 | • • Matching pursuit coding [2014.01] | |||
H04N 19/98 | • • Adaptive-dynamic-range coding [ADRC] [2014.01] | |||
H04N 21/00 | ||||
Note(s) [2011.01]
| ||||
H04N 21/20 | • | |||
H04N 21/21 | • • | |||
H04N 21/214 | • • • | |||
H04N 21/218 | • • • Source of audio or video content, e.g. local disk arrays [2011.01] | |||
H04N 21/2183 | • • • • Cache memory [2011.01] | |||
H04N 21/2187 | • • • • Live feed [2011.01] | |||
H04N 21/222 | • • • | |||
H04N 21/2225 | • • • • | |||
H04N 21/226 | • • • Internal components of the server [2011.01] | |||
H04N 21/23 | • • | |||
H04N 21/231 | • • • Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers or prioritizing data for deletion [2011.01] | |||
H04N 21/2312 | • • • • Data placement on disk arrays [2011.01] | |||
H04N 21/2315 | • • • • • using interleaving [2011.01] | |||
H04N 21/2318 | • • • • • using striping [2011.01] | |||
H04N 21/232 | • • • Content retrieval operation within server, e.g. reading video streams from disk arrays [2011.01] | |||
H04N 21/233 | • • • Processing of audio elementary streams [2011.01] | |||
H04N 21/234 | • • • Processing of video elementary streams, e.g. splicing of video streams or manipulating MPEG-4 scene graphs [2011.01] | |||
H04N 21/2343 | • • • • | |||
H04N 21/2347 | • • • • involving video stream encryption [2011.01] | |||
H04N 21/235 | • • • Processing of additional data, e.g. scrambling of additional data or processing content descriptors [2011.01] | |||
H04N 21/236 | • • • Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator ] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream [2011.01] | |||
H04N 21/2362 | • • • • Generation or processing of SI [Service Information] [2011.01] | |||
H04N 21/2365 | • • • • Multiplexing of several video streams [2011.01] | |||
H04N 21/2368 | • • • • Multiplexing of audio and video streams [2011.01] | |||
H04N 21/237 | • • • Communication with additional data server [2011.01] | |||
H04N 21/238 | • • • Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams [2011.01] | |||
H04N 21/2381 | • • • • Adapting the multiplex stream to a specific network, e.g. an IP [Internet Protocol] network [2011.01] | |||
H04N 21/2383 | • • • • Channel coding of digital bit-stream, e.g. modulation [2011.01] | |||
H04N 21/2385 | • • • • Channel allocation (H04N 21/266 takes precedence); Bandwidth allocation (H04N 21/24 takes precedence) [2011.01] | |||
H04N 21/2387 | • • • • Stream processing in response to a playback request from an end-user, e.g. for trick-play [2011.01] | |||
H04N 21/2389 | • • • • Multiplex stream processing, e.g. multiplex stream encrypting [2011.01] | |||
H04N 21/239 | • • • Interfacing the upstream path of the transmission network, e.g. prioritizing client requests [2011.01] | |||
H04N 21/24 | • • • Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth or upstream requests [2011.01] | |||
H04N 21/241 | • • • Operating system [OS] processes, e.g. server setup [2011.01] | |||
H04N 21/242 | • • • Synchronization processes, e.g. processing of PCR [Program Clock References] [2011.01] | |||
H04N 21/25 | • • | |||
H04N 21/254 | • • • | |||
H04N 21/2543 | • • • • Billing [2011.01] | |||
H04N 21/2547 | • • • • • Third party billing, e.g. billing of advertiser [2011.01] | |||
H04N 21/258 | • • • | |||
H04N 21/262 | • • • Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission or generating play-lists [2011.01] | |||
H04N 21/266 | • • • Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system or merging a VOD unicast channel into a multicast channel [2011.01] | |||
H04N 21/2662 | • • • • Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities [2011.01] | |||
H04N 21/2665 | • • • • Gathering content from different sources, e.g. Internet and satellite [2011.01] | |||
H04N 21/2668 | • • • • | |||
H04N 21/27 | • • | |||
H04N 21/274 | • • • | |||
H04N 21/2743 | • • • • Video hosting of uploaded data from client [2011.01] | |||
H04N 21/2747 | • • • • Remote storage of video programs received via the downstream path, e.g. from the server [2011.01] | |||
H04N 21/278 | • • • Content descriptor database or directory service for end-user access [2011.01] | |||
H04N 21/40 | • | |||
H04N 21/41 | • • | |||
H04N 21/414 | • • • Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance [2011.01] | |||
H04N 21/4143 | • • • • PC [Personal Computer] [2011.01] | |||
H04N 21/4147 | • • • • PVR [Personal Video Recorder] (H04N 5/76 takes precedence) [2011.01] | |||
H04N 21/418 | • • • External card to be used in combination with the client device, e.g. for conditional access [2011.01] | |||
H04N 21/4185 | • • • • for payment [2011.01] | |||
H04N 21/422 | • • • Input-only peripherals, e.g. global positioning system [GPS] [2011.01] | |||
H04N 21/4223 | • • • • Cameras (H04N 5/225 takes precedence) [2011.01] | |||
H04N 21/4227 | • • • • | |||
H04N 21/426 | • • • | |||
H04N 21/43 | • • Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware [2011.01] | |||
H04N 21/431 | • • • Generation of visual interfaces; Content or additional data rendering [2011.01] | |||
H04N 21/432 | • • • Content retrieval operation from a local storage medium, e.g. hard-disk [2011.01] | |||
H04N 21/433 | • • • Content storage operation, e.g. storage operation in response to a pause request or caching operations [2011.01] | |||
H04N 21/4335 | • • • • Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions [2011.01] | |||
H04N 21/434 | • • • Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams or extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream [2011.01] | |||
H04N 21/435 | • • • Processing of additional data, e.g. decrypting of additional data or reconstructing software from modules extracted from the transport stream [2011.01] | |||
H04N 21/436 | • • • Interfacing a local distribution network, e.g. communicating with another STB or inside the home [2011.01] | |||
H04N 21/4363 | • • • • Adapting the video stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network [2011.01] | |||
H04N 21/4367 | • • • • Establishing a secure communication between the client and a peripheral device or smart card [2011.01] | |||
H04N 21/437 | • • • | |||
H04N 21/438 | • • • | |||
H04N 21/4385 | • • • • Multiplex stream processing, e.g. multiplex stream decrypting [2011.01] | |||
H04N 21/439 | • • • Processing of audio elementary streams [2011.01] | |||
H04N 21/44 | • • • Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to MPEG-4 scene graphs [2011.01] | |||
H04N 21/4402 | • • • • involving reformatting operations of video signals for household redistribution, storage or real-time display [2011.01] | |||
H04N 21/4405 | • • • • involving video stream decryption [2011.01] | |||
H04N 21/4408 | • • • • involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network [2011.01] | |||
H04N 21/441 | • • • Acquiring end-user identification [2011.01] | |||
H04N 21/4415 | • • • • using biometric characteristics of the user, e.g. by voice recognition or fingerprint scanning [2011.01] | |||
H04N 21/442 | • • • Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed or the storage space available from the internal hard disk [2011.01] | |||
H04N 21/4425 | • • • • Monitoring of client processing errors or hardware failure [2011.01] | |||
H04N 21/443 | • • • | |||
H04N 21/45 | • • | |||
H04N 21/454 | • • • Content filtering, e.g. blocking advertisements [2011.01] | |||
H04N 21/4545 | • • • • Input to filtering algorithms, e.g. filtering a region of the image [2011.01] | |||
H04N 21/458 | • • • Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules [2011.01] | |||
H04N 21/462 | • • • Content or additional data management e.g. creating a master electronic program guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities [2011.01] | |||
H04N 21/4623 | • • • • Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message] [2011.01] | |||
H04N 21/4627 | • • • • Rights management [2011.01] | |||
H04N 21/466 | • • • Learning process for intelligent management, e.g. learning user preferences for recommending movies [2011.01] | |||
H04N 21/47 | • • End-user applications [2011.01] | |||
H04N 21/472 | • • • End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification or for manipulating displayed content [2011.01] | |||
H04N 21/4722 | • • • • for requesting additional data associated with the content [2011.01] | |||
H04N 21/4725 | • • • • • using interactive regions of the image, e.g. hot spots [2011.01] | |||
H04N 21/4728 | • • • • for selecting a ROI [Region Of Interest], e.g. for requesting a higher resolution version of a selected region [2011.01] | |||
H04N 21/475 | • • • | |||
H04N 21/478 | • • • Supplemental services, e.g. displaying phone caller identification or shopping application [2011.01] | |||
H04N 21/4782 | • • • • Web browsing [2011.01] | |||
H04N 21/4784 | • • • • receiving rewards [2011.01] | |||
H04N 21/4786 | • • • • e-mailing [2011.01] | |||
H04N 21/4788 | • • • • communicating with other users, e.g. chatting [2011.01] | |||
H04N 21/482 | • • • End-user interface for program selection [2011.01] | |||
H04N 21/485 | • • • | |||
H04N 21/488 | • • • Data services, e.g. news ticker [2011.01] | |||
H04N 21/60 | • | |||
H04N 21/61 | • • Network physical structure; Signal processing (H04B takes precedence) [2011.01] | |||
H04N 21/63 | • • Control signaling between client, server and network components; Network processes for video distribution between server and clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing [2011.01] | |||
H04N 21/633 | • • • | |||
H04N 21/6332 | • • • • directed to client [2011.01] | |||
H04N 21/6334 | • • • • • for authorisation, e.g. by transmitting a key [2011.01] | |||
H04N 21/6336 | • • • • • directed to decoder [2011.01] | |||
H04N 21/6338 | • • • • directed to network [2011.01] | |||
H04N 21/637 | • • • | |||
H04N 21/6371 | • • • • directed to network [2011.01] | |||
H04N 21/6373 | • • • • for rate control [2011.01] | |||
H04N 21/6375 | • • • • for requesting retransmission [2011.01] | |||
H04N 21/6377 | • • • • directed to server [2011.01] | |||
H04N 21/6379 | • • • • • directed to encoder [2011.01] | |||
H04N 21/64 | • • • Addressing [2011.01] | |||
H04N 21/6402 | • • • • Address allocation for clients [2011.01] | |||
H04N 21/6405 | • • • • Multicasting [2011.01] | |||
H04N 21/6408 | • • • • Unicasting [2011.01] | |||
H04N 21/643 | • • • Communication protocols [2011.01] | |||
H04N 21/6433 | • • • • DSM-CC [Digital Storage Media - Command and Control Protocol] [2011.01] | |||
H04N 21/6437 | • • • • RTP [Real-time Transport Protocol] [2011.01] | |||
H04N 21/647 | • • • Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load or bridging between two different networks, e.g. between IP and wireless [2011.01] | |||
H04N 21/65 | • • | |||
H04N 21/654 | • • • | |||
H04N 21/6543 | • • • • for forcing some client operations, e.g. recording [2011.01] | |||
H04N 21/6547 | • • • • comprising parameters, e.g. for client setup [2011.01] | |||
H04N 21/658 | • • • | |||
H04N 21/6583 | • • • • Acknowledgement [2011.01] | |||
H04N 21/6587 | • • • • Control parameters, e.g. trick play commands or viewpoint selection [2011.01] | |||
H04N 21/80 | • Generation or processing of content or additional data by content creator independently of the distribution process; Content per se [2011.01] | |||
H04N 21/81 | • • Monomedia components thereof [2011.01] | |||
H04N 21/83 | • • Generation or processing of protective or descriptive data associated with content; Content structuring [2011.01] | |||
H04N 21/835 | • • • Generation of protective data, e.g. certificates [2011.01] | |||
H04N 21/8352 | • • • • involving content or source identification data, e.g. UMID [Unique Material Identifier] [2011.01] | |||
H04N 21/8355 | • • • • involving usage data, e.g. number of copies or viewings allowed [2011.01] | |||
H04N 21/8358 | • • • • involving watermark [2011.01] | |||
H04N 21/84 | • • • Generation or processing of descriptive data, e.g. content descriptors [2011.01] | |||
H04N 21/8405 | • • • • represented by keywords [2011.01] | |||
H04N 21/845 | • • • Structuring of content, e.g. decomposing content into time segments [2011.01] | |||
H04N 21/85 | • • Assembly of content; Generation of multimedia applications [2011.01] | |||
H04N 21/854 | • • • Content authoring [2011.01] | |||
H04N 21/8541 | • • • • involving branching, e.g. to different story endings [2011.01] | |||
H04N 21/8543 | • • • • using a description language, e.g. MHEG [Multimedia and Hypermedia information coding Expert Group] or XML [eXtensible Markup Language] [2011.01] | |||
H04N 21/8545 | • • • • for generating interactive applications [2011.01] | |||
H04N 21/8547 | • • • • involving timestamps for synchronizing content [2011.01] | |||
H04N 21/8549 | • • • • Creating video summaries, e.g. movie trailer [2011.01] | |||
H04N 21/858 | • • • Linking data to content, e.g. by linking an URL to a video object or by creating a hotspot [2011.01] | |||
Indexing scheme associated with groups H04N 1/00-H04N 17/00, relating to still video cameras. [6] | ||||
H04N 101/00 | Still video cameras [2006.01] |