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SECTION G — PHYSICS

G 01

MEASURING (counting G 06 M); TESTING

MEASURING LENGTH, THICKNESS, OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS (measuring human body, see the relevant places, where such exist, e.g. A 41 H 1/00, A 43 D 1/02, A 61 B 5/103; measuring appliances combined with walking-sticks A 45 B 3/08; sorting according to dimensions B 07; methods or devices for measuring, specially adapted for metal-rolling mills B 21 B 38/00; tool-setting or drawing instruments not specially modified for measuring B 23 B 49/00, B 23 Q 15/00 to B 23 Q 17/00, B 43 L; measuring or gauging equipment specially adapted for grinding or polishing operations B 24 B 49/00; combinations of measuring devices with writing-implements B 43 K 29/08; geodetical, nautical or aeronautical measuring, surveying, rangefinding G 01 C; photogrammetry G 01 C 11/00; measuring force or stress, in general G 01 L 1/00; investigating or analysing particle size, investigating or analysing surface area of porous material G 01 N; radio direction-finding, determining distance or velocity by use of propagation effects, e.g. Doppler effect, propagation time, of radio waves, analogous arrangements using other waves G 01 S; geophysical measuring G 01 V; measuring length or roll diameter of film in cameras or projectors G 03 B 1/60; combinations of measuring devices with means for controlling or regulating G 05; methods or arrangements for converting the position of a manually-operated writing or tracing member into an electrical signal G 06 K 11/00; measuring elapsed travel of recording medium in recording or playback equipment, sensing diameter of record in autochange gramophones G 11 B; means structurally associated with electric rotary current collectors for indicating brush wear H 01 R 39/58; indicating consumption of electrodes in arc lamps H 05 B 31/34)

MEASURING DISTANCES, LEVELS, OR BEARINGS, FOR SURVEYING OR NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY (measuring dimensions or angles of objects G 01 B; measuring liquid level G 01 F; measuring intensity or direction of magnetic fields, other than the earth's field, in general G 01 R; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effect, propagation time, of radio waves, analogous arrangements using other waves G 01 S; optical systems therefor G 02 B; maps, globes G 09 B)

MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR (means structurally associated with lightning or other overvoltage discharging apparatus for recording the operation thereof G 01 R; displaying information in general G 09 F; recording in a way which requires playback through a transducer G 11 B)

MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME (milk flow sensing devices in milking machines or devices A 01 J 5/01; measuring or recording blood flow A 61 B 5/02, A 61 B 8/06; metering media to the human body A 61 M 5/168; burettes or pipettes B 01 L 3/02; arrangements of liquid volume meters or volume-flow meters in liquid-delivering apparatus, e.g. for retail sale purposes, B 67 D 5/16; pumps, fluid motors, details common to measuring or metering devices and pumps or fluid motors F 01 to F 04; locating, determining distance or velocity using reflection or reradiation of radio waves, analogous arrangements using other waves G 01 S; systems for ratio control G 05 D 11/00) [2,5]

WEIGHING (sorting by weighing B 07 C 5/16)

MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES (generation of mechanical vibrations without measurement B 06 B, G 10 K; measuring position, direction or velocity of an object G 01 C, G 01 S; measuring quasi-steady pressure of a fluid G 01 L 7/00; determining unbalance G 01 M 1/14; determining properties of material by sonic or ultrasonic waves transmitted therethrough G 01 N; systems using the reflection or reradiation of acoustic waves, e.g. acoustic imaging, G 01 S 15/00; seismology, seismic prospecting, acoustic prospecting G 01 V 1/00; acousto-optical devices per se G 02 F; obtaining records by techniques analogous to photography using ultrasonic, sonic or infrasonic waves G 03 B 42/06; speech analysis or synthesis, speech recognition G 10 L; information storage based on relative movement between record carrier and transducer G 11 B; piezo-electric, electrostrictive or magnetostrictive elements in general H 01 L ; manufacture of electromechanical resonators by processes which include measurement of frequency with consequential modification of the resonator H 03 H 3/00; pictorial communication using ultrasonic, sonic or infrasonic waves converted into electric picture-representative signals H 04 N, e.g. H 04 N 5/31) [4]

MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F 21, H 01 J, H 01 K, H 05 B; investigating properties of materials by optical means G 01 N) [2]

MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (sensing temperature changes for compensating measurements of other variables or for compensing readings of instruments for variations in temperature, see G 01 D or relevant subclass for variable measured; radiation pyrometry G 01 J; investigating or analysing materials by use of thermal means G 01 N 25/00; compound sensitive elements, e.g. bimetallic, G 12 B 1/02)

MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (methods or devices for measuring specially adapted for metal-rolling mills B 21 B 38/00; sensing pressure changes for compensating measurements of other variables or for compensating readings of instruments for variations in pressure, see G 01 D or other relevant subclasses for the variable measured; weighing G 01 G; converting a pattern of forces into electrical signals G 06 K 11/00) [4]

TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (separating components of materials in general B 01 D, B 01 J, B 03, B 07; apparatus fully provided for in a single other subclass, see the relevant subclass, e.g. B 01 L; measuring or testing processes other than immunoassay, involving enzymes or micro-organisms C 12 M, C 12 Q; investigation of foundation soil in situ E 02 D 1/00; sensing humidity changes for compensating measurements of other variables or for compensating readings of instruments for variations in humidity, see G 01 D or the relevant subclass for the variable measured; testing or determining the properties of structures G 01 M; measuring or investigating electric or magnetic properties of materials G 01 R; systems in general for determining distance, velocity or presence by use of propagation effects, e.g. Doppler effect, propagation time, of reflected or reradiated radio waves, analogous arrangements using other waves G 01 S; determining sensitivity, graininess, or density of photographic materials G 03 C 5/02; testing component parts of nuclear reactors G 21 C 17/00)

MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A 61 B 5/02, A 61 B 8/06; monitoring speed or deceleration of electrically-propelled vehicles B 60 L 3/00; vehicle lighting systems adapted to indicate speed B 60 Q 1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G 01 C; combined measuring devices for measuring two or more variables of movement G 01 C 23/00; measuring velocity of sound G 01 H; measuring velocity of light G 01 J 7/00; determining direction or velocity of solid objects by reflection or reradiation of radio or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G 01 S; measuring speed of nuclear radiation G 01 T; measuring acceleration of gravity G 01 V)

MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (measuring physical variables of any kind by conversion into electric variables, see Note (4) following the title of class G 01; measuring diffusion of ions in an electric field, e.g. electrophoresis, electro-osmosis, G 01 N; investigating non-electric or non-magnetic properties of materials by using electric or magnetic methods G 01 N; indicating correct tuning of resonant circuits H 03 J 3/12; monitoring electronic pulse counters H 03 K 21/40; monitoring operation of communication systems H 04)

RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES (detecting masses or objects by methods not involving reflection or reradiation of radio, acoustic or other waves G 01 V)

MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G 01 N; counters per se G 06 M, H 03 K; electric discharge tubes for analysing radiation or particles H 01 J 40/00, H 01 J 47/00, H 01 J 49/00)

G 01 V

GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (detecting or locating foreign bodies for diagnostic, surgical or person-identification purposes A 61 B; means for indicating the location of accidentally buried, e.g. snow-buried, persons A 63 B 29/02; investigating or analysing earth materials by determining their chemical or physical properties G 01 N; measuring electric or magnetic variables in general, other than direction or magnitude of the earth's field G 01 R; magnetic resonance arrangements in general G 01 R 33/20) [4,6]

METEOROLOGY (influencing weather conditions A 01 G 15/00; dispersing fog E 01 H 13/00; instruments for measuring single variables in general, see the appropriate subclasses of class G 01, e.g. G 01 K, G 01 L; radar, sonar, lidar or analogous systems, designed for meteorological use G 01 S 13/95, G 01 S 15/88, G 01 S 17/95)

G 02

OPTICS (making optical elements or apparatus B 24 B, B 29 D 11/00, C 03, or other appropriate subclasses or classes; materials per se, see the relevant places, e.g. C 03 B, C 03 C)

OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS (G 02 F takes precedence; measuring-instruments, see the relevant subclass of class G 01, e.g. optical rangefinders G 01 C; testing of optical elements, systems, or apparatus G 01 M 11/00; spectacles G 02 C; apparatus or arrangements for taking photographs or for projecting or viewing them G 03 B; sound lenses G 10 K 11/30; electron and ion "optics" H 01 J; X-ray "optics" H 01 J, H 05 G 1/00; optical elements structurally combined with electric discharge tubes H 01 J 5/16 , H 01 J 29/89, H 01 J 37/22; microwave "optics" H 01 Q; combination of optical elements with television receivers H 04 N 5/72; optical systems or arrangements in colour television systems H 04 N 9/00; heating arrangements specially adapted for transparent or reflecting areas H 05 B 3/84)

SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES (trial frames for testing the eyes A 61 B 3/04; goggles or eyeshields not having the same features as spectacles A 61 F 9/00)

DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS (optical transfer means between sensing member and indicating or recording part in connection with measuring G 01 D 5/26; devices in which mathematical operations are carried out with optical elements G 06 E 3/00; electrical signal transmission systems using optical means to convert the input signal G 08 C 19/36; information-recording by electric or magnetic means and reproducing by sensing optical properties G 11 B 11/00; static stores using optical elements G 11 C 13/04; transmission systems employing electromagnetic waves other than radio waves, e.g. light, infra-red radiation, H 04 B 10/00; optical multiplex systems H 04 J 14/00; pictorial communication, e.g. television H 04 N) [2,4]

G 03

PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY (reproduction of pictures or patterns by scanning and converting into electrical signals H 04 N) [4]

APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G 02 B; photosensitive materials or processes for photographic purposes G 03 C; apparatus for processing exposed photographic materials G 03 D) [4]

PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES (for photomechanical purposes G 03 F); PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY (photographic processes characterised by the use or manipulation of apparatus classifiable per se in subclass G 03 B, see G 03 B; photomechanical production of textured or patterned surfaces G 03 F; electrography, electrophotography, magnetography G 03 G)

APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS (apparatus specially adapted for photomechanical production of textured or patterned surfaces G 03 F); ACCESSORIES THEREFOR (photosensitive materials or processes for photographic purposes G 03 C; electrographic, electrophotographic, or magnetographic methods or apparatus G 03 G)

PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR (phototypographic composing devices B 41 B; photosensitive materials or processes for photographic purposes G 03 C; electrography, sensitive layers or processes G 03 G)

ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY (information storage based on relative movement between record carrier and transducer G 11 B; static stores with means for writing-in or reading-out information G 11 C; recording of television signals H 04 N 5/76)

HOLOGRAPHIC PROCESSES OR APPARATUS (holograms, e.g. point holograms, used as ordinary optical elements G 02 B 5/32; producing stereoscopic or other three-dimensional effects G 02 B 27/22; diffraction-grating systems G 02 B 27/44; systems using moire fringes G 02 B 27/60; optical logic elements G 02 F 3/00; stereo-photography G 03 B 35/00; photosensitive materials or processes for photographic purposes G 03 C; apparatus for processing exposed photographic materials G 03 D; analogue computers performing mathematical operations with the aid of optical elements G 06 E 3/00; authentication, by radiation, of concealed information carried by holograms or diffraction gratings G 06 K 19/16; holographic digital storage G 11 C 13/00) [2]

G 04

MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS (spring- or weight-driven mechanisms in general F 03 G; electromechanical clocks or watches G 04 C; electromechanical clocks with attached or built-in means operating any device at preselected times or after predetermined time intervals G 04 C 23/00; clocks or watches with stop devices G 04 F 7/08)

ELECTROMECHANICAL CLOCKS OR WATCHES (mechanical parts of clocks or watches in general G 04 B; electronic time-pieces with no moving parts, electronic circuitry for producing timing pulses G 04 G)

APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES (machine tools in general B 23, B 24; hand tools in general B 25)

TIME-INTERVAL MEASURING (measuring pulse characteristics G 01 R, e.g. G 01 R 29/02; in radar or like systems G 01 S; masers H 01 S 1/00; generation of oscillations H 03 B; generation or counting of pulses, frequency dividing H 03 K; analogue/digital conversion in general H 03 M 1/00) [2]

ELECTRONIC TIME-PIECES [3]

G 05

CONTROLLING; REGULATING (specially adapted to a particular field of use, see the relevant place for that field, e.g. A 62 C 37/00, B 03 B 13/00, B 23 Q)

CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (fluid-pressure actuators or systems acting by means of fluids in general F 15 B; valves per se F 16 K; characterised by mechanical features only G 05 G; sensitive elements, see the appropriate subclasses, e.g. G 12 B, subclasses of G 01, H 01; correcting units, see the appropriate subclasses, e.g. H 02 K)

SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES (for continuous casting of metals B 22 D 11/16; valves per se F 16 K; sensing non-electric variables, see the relevant subclasses of G 01; for regulating electric or magnetic variables G 05 F)

SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES (regulating the timing or recurrence frequency of pulses in radar or radio navigation systems G 01 S; closed-loop systems for regulating non-electric variables by electric means G 05 D; regulating power supply of digital computers G 06 F 1/26; regulating electric power distribution networks H 02 J; regulating the charging of batteries H 02 J 7/00; regulating of the output of static converters, e.g. switching regulators, H 02 M; regulation of the output of electric generators H 02 N, H 02 P 9/00, H 03 L; controlling transformers, reactors or choke coils H 02 P 13/00; regulating frequency response, gain, maximum output, amplitude or bandwidth of amplifiers H 03 G ; regulating tuning of resonant circuits H 03 J; regulating characteristics of transmission lines H 04 B; electric control of X-ray apparatus H 05 G 1/30) [4,5]

CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY ("Bowden" or like mechanisms F 16 C 1/10; gearings or mechanisms not peculiar to this purpose F 16 H; speed changing or reversing mechanisms for gearings conveying rotary motion F 16 H 59/00 to F 16 H 63/00)

G 06

COMPUTING; CALCULATING; COUNTING (score computers for games A 63 B 71/06, A 63 D 15/20, A 63 F 1/18; combinations of writing implements with computing devices B 43 K 29/08)

DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY (score computers for card games A 63 F 1/18; construction of keys, printing mechanisms, or other parts of general application to the typewriting or printing art B 41; keys or printing mechanisms for special applications, see the relevant subclass, e.g. G 05 G, G 06 K; cash registers G 07 G 1/00) [4]

DIGITAL FLUID-PRESSURE COMPUTING DEVICES

OPTICAL COMPUTING DEVICES (optical logic elements per se G 02 F 3/00; digital storage using optical elements G 11 C 13/04) [5]

ELECTRIC DIGITAL DATA PROCESSING (computers in which a part of the computation is effected hydraulically or pneumatically G 06 D, optically G 06 E; self-contained input or output peripheral equipment G 06 K; impedance networks using digital techniques H 03 H)

ANALOGUE COMPUTERS (analogue optical computing devices G 06 E 3/00)

HYBRID COMPUTING ARRANGEMENTS (optical hybrid computing devices G 06 E 3/00; neural networks for image data processing G 06 T; analogue/digital conversion, in general H 03 M 1/00)

RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS (postal sorting B 07 C; secondary surveillance radar G 01 S; detecting presence of transponders or tags G 01 S, G 01 V)

COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR (counting by measuring volume or weight of articles to be counted G 01 F, G 01 G; adaptation of counters to electricity meters in electromechanical arrangements for measuring time integral of electric power or current G 01 R 11/16; computers G 06 C to G 06 J; counting electric pulses H 03 K; counting characters, words or messages in switching networks for transmission of digital information H 04 L 12/08; metering arrangements in telephonic systems H 04 M 15/00)

G 06 T

IMAGE DATA PROCESSING OR GENERATION, IN GENERAL (specially adapted for particular applications, see the relevant subclasses, e.g. G 06 K, G 09 G, H 04 N) [6]

G 07

CHECKING-DEVICES

TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS

TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS, OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE (identification of persons, e.g. finger-printing, foot-printing, A 61 B 5/117; indicating or recording apparatus for measuring in general, analogous apparatus but in which the input is not a variable to be measured, e.g. a hand operation, G 01 D; clocks, clock mechanisms G 04 B, G 04 C; time-interval measuring G 04 F; counting mechanisms per se G 06 M)

SORTING, TESTING, CHANGING, DELIVERING, OR OTHERWISE HANDLING COINS; TESTING OR CHANGING PAPER CURRENCY; TESTING SECURITIES, BONDS, OR SIMILAR VALUABLE PAPERS (sorting in general B 07 C) [2]

COIN-FREED OR LIKE APPARATUS

REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS (digital computing in general G 06 C, G 06 F) [4]

G 08

SIGNALLING (indicating or display devices per se G 09 F; transmission of pictures H 04 N)

SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS (signalling arrangements on vehicles B 60 Q, B 62 D 41/00; railway signalling systems or devices B 61 L; on cycles B 62 J 3/00, B 62 J 6/00; safes or strong-rooms with alarm devices E 05 G; signalling or alarm devices in mines E 21 F 17/18; lamps or shutters therefor F 21; sensitive measuring elements, see the appropriate subclasses of G 01 ; traffic control systems G 08 G; visual indicating means G 09; sound-producing devices G 10; radio or near-field calling systems H 04 B 5/00, H 04 B 7/00; selecting arrangements H 04 Q 7/00, H 04 Q 9/00; loudspeakers, microphones, gramohpone pick-ups or like acoustic electromechanical transducers H 04 R)

TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmission systems F 15 B; sensing members for specific physical variables, see the relevant subclasses, e.g. of G 01, of H 01; indicators or recorders, see the relevant subclasses, e.g. G 01 D, G 09 F; mechanical means for transferring the output of a sensing member into a different variable G 01 D 5/00; self-balancing bridges G 01 R; position control in general G 05 D 3/00; mechanical control systems G 05 G; systems for transmitting "on/off" signals only, systems for transmitting alarm conditions G 08 B; order telegraph systems G 08 B 9/00; generating electric pulses H 03 K; coding, decoding or code conversion, in general H 03 M; transmission of digital information H 04 L; selective calling from one station to another H 04 Q 9/00) [4]

TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B 61 L; arrangement of road signs or traffic signals E 01 F 9/00; radar systems or analogous systems, designed for traffic control G 01 S 13/91; sonar or lidar systems specially designed for traffic control G 01 S 15/88, G 01 S 17/88) [2]

G 09

EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS

EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS (devices for psychotechnics or for testing reaction times A 61 B 5/16; games, sports, amusements A 63; projectors, projector screens G 03 B)

CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY (secret communication H 04 K; arrangements for transmitting secret digital information H 04 L 9/00)

RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS (calendar blocks B 42 D 5/04; clockwork-driven G 04 B; comprising computing means G 06 C)

DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS (display cases A 47 F; designs or pictures characterised by special or unusual light effects, e.g. changing, B 44 F 1/00; disposition of road signs or traffic signals E 01 F 9/00; lighting in general F 21; arrangements for controlling light beams G 02 F 1/00; visible signalling arrangements or devices G 08 B 5/00; traffic control systems G 08 G; arrangements or circuits for control of indicating devices using static means to present variable information G 09 G; static indicating arrangements comprising integral associations of a plurality of light sources H 01 J , H 01 K, H 01 L, H 05 B 33/12)

ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (lighting in general F 21; arrangements for displaying electric variables or waveforms G 01 R 13/00; devices or arrangements for the control of light beams G 02 F 1/00; indicating of time by visual means G 04 B 19/00, G 04 C 17/00, G 04 G 9/00; arrangements for transferring data between computers and peripheral equipment G 06 F 3/00; visible signalling arrangements or devices G 08 B 5/00; traffic control systems G 08 G; display, advertising, signs G 09 F, e.g. static indicating arrangements comprising an association of a number of separate sources or light control cells G 09 F 9/00; static indicating arrangements comprising integral associations of a number of light sources H 01 J, H 01 K, H 01 L, H 05 B 33/12; circuits in pulse counters for indicating the result H 03 K 21/18; coding, decoding or code conversion, in general H 03 M; reproducing a picture or pattern using electric signals representing parts thereof and produced by scanning an original H 04 N) [3,4,5]

G 10

MUSICAL INSTRUMENTS; ACOUSTICS

ORGANS; HARMONIUMS (mouth organs or accordions G 10 D; aspects of automatic actuation G 10 F; combinations of microphones, pick-ups or amplifiers with musical instruments, electronic organs G 10 H)

PIANOS (non-musical aspects of toy pianos A 63 H 5/00; aspects of automatic actuation G 10 F; combinations of microphones, pick-ups or amplifiers with musical instruments G 10 H)

MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR (aspects of automatic actuation G 10 F; combinations of microphones, pick-ups or amplifiers with musical instruments G 10 H; sound-producing devices not regarded as musical instruments or parts thereof G 10 K)

AUTOMATIC MUSICAL INSTRUMENTS (non-musical aspects of toy instruments A 63 H 5/00; sound-recording or reproducing G 11 B; associated working with recording or reproducing apparatus G 11 B 31/02)

AIDS FOR MUSIC (metronomes G 04 F 5/02; teaching music G 09 B 15/00)

ELECTROPHONIC MUSICAL INSTRUMENTS (electronic circuits in general H 03)

G 10 K

SOUND-PRODUCING DEVICES (sound-producing toys A 63 H 5/00; musical instruments or parts thereof, see the relevant subclass, e.g. G 10 D); ACOUSTICS NOT OTHERWISE PROVIDED FOR (systems using the reflection or reradiation of acoustic waves G 01 S 15/00; generating seismic energy G 01 V 1/02; signalling or calling arrangements, alarm arrangements G 08 B; piezo-electric, electrostrictive or magnetostrictive elements in general H 01 L 41/00; transmission systems using infrasonic, sonic, or ultrasonic waves H 04 B 11/00; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H 04 R) [6]

SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION (measurement of sound waves in general G 01 H; frequency spectrum analysis of electric signals in general G 01 R 23/16; electrophonic musical instruments G 10 H; sound-producing devices other than musical instruments G 10 K; information storage, e.g. sound storage, G 11; coding, decoding or code conversion, in general H 03 M) [4]

G 11

INFORMATION STORAGE

INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (recording measured values in a way that does not require playback through a transducer G 01 D; photosensitive materials or processes for photographic purposes G 03 C; electrography, electrophotography, magnetography G 03 G; recording or playback apparatus using mechanically marked tape, e.g. punched paper tape, or using unit records, e.g. punched or magnetically marked cards, G 06 K; transferring data from one type of record carrier to another G 06 K 1/18; printing of data from record carriers G 06 K 3/00; arrangements for producing a permanent visual presentation of the output data G 06 K 15/00; arrangements or circuits for control of indicating devices using static means to present variable information G 09 G; coding, decoding or code conversion, in general H 03 M; circuits for coupling output of reproducer to radio receiver H 04 B 1/20; circuits specially adapted for television signal recording H 04 N 5/76, H 04 N 9/79; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers or circuits therefor H 04 R)

STATIC STORES (information storage based on relative movement between record carrier and transducer G 11 B; semiconductor devices for storage H 01 L, e.g. H 01 L 27/108 to H 01 L 27/115; pulse technique in general H 03 K, e.g. electronic switches H 03 K 17/00 )

G 12

INSTRUMENT DETAILS

DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR

G 21

NUCLEAR PHYSICS; NUCLEAR ENGINEERING

FUSION REACTORS (uncontrolled reactors G 21 J)

NUCLEAR REACTORS (analogue computers therefor G 06 G 7/54; fusion reactors G 21 B; nuclear explosives G 21 J)

NUCLEAR POWER PLANT (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G 06 G 7/54)

PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION, OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A 61 K 7/40; in cosmonautic vehicles B 64 G; combined with a reactor G 21 C 11/00; combined with X-ray tubes H 01 J 35/16; combined with X-ray apparatus H 05 G 1/02)

CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES (applications of radiation in general G 21 H 5/00; handling particles, e.g. neutrons, or electromagnetic radiation not otherwise provided for G 21 K) [2]

OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION (measurement of nuclear or X-radiation G 01 T; fusion reactors G 21 B; nuclear reactors G 21 C; semiconductor devices sensitive to electromagnetic or corpuscular radiation H 01 L 31/00)

NUCLEAR EXPLOSIVES; APPLICATIONS THEREOF (electric or magnetic analogue computers, e.g. simulators, for nuclear physics G 06 G 7/54)

TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA- OR X-RAY MICROSCOPES (X-ray technique H 05 G; plasma technique H 05 H) [2]