IPC 7 English version H01J 27/00-H01J 31/68

IPC ⁷ English version

H01J 21/00 - H01J 25/78

H01J02700-H01J03168

H01J 33/00 - H01J 40/20

SECTION H – ELECTRICITY

H 01

BASIC ELECTRIC ELEMENTS

H 01 J

ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; arc lamps with consumable electrodes H05B; particle accelerators H05H)

27/

Ion beam tubes (H01J 25/00, H01J 33/00, H01J 37/00 take precedence; particle accelerators H05H)

27/

Ion sources; Ion guns (arrangements for handling particles, e.g. focusing, G21K 1/00; generating ions to be introduced into non-enclosed gases H01T 23/00; generating plasma H05H 1/24) [3]

27/

using reflex discharge, e.g. Penning ion sources [3]

27/

without applied magnetic field [3]

27/

using arc discharge [3]

27/

Duoplasmatrons (for use in particle accelerators H05H 7/00) [3]

27/

provided with an expansion cup [3]

27/

Other arc discharge ion sources using an applied magnetic field [3]

27/

using high-frequency excitation, e.g. microwave excitation [3]

27/

with an applied axial magnetic field [3]

27/

using particle bombardment, e.g. ionisers [3]

27/

Metal ion sources [3]

27/

using photo-ionisation, e.g. using laser beam [3]

27/

using surface ionisation, e.g. field effect ion sources, thermionic ion sources (H01J 27/20, H01J 27/24 take precedence) [3]

29/

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J 31/00

29/

Electrodes; Screens; Mounting, supporting, spacing, or insulating thereof

29/

Cathodes (electron guns H01J 29/48)

29/

Screens for shielding; Masks interposed in the electron stream

29/

Shadow masks for colour-television tubes [2]

29/

Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up converted, or stored, e.g. backing-plate for storage tube, for collecting secondary electrons (arrangements for colour switching H01J 29/80)

29/

Screens on, or from, which an image or pattern is formed, picked-up, converted, or stored

29/

acting as light valves by shutter operation, e.g. for eidophor

29/

acting by discolouration, e.g. halide screen

29/

Incandescent screens

29/

Luminescent screens

29/

characterised by the luminescent material

29/

characterised by the binder or adhesive for securing the luminescent material to its support, e.g. vessel

29/

Supports for luminescent material

29/

with superimposed luminescent layers

29/

with protective, conductive, or reflective layers

29/

with luminescent material discontinuously arranged, e.g. in dots or lines

29/

with adjacent dots or lines of different luminescent material, e.g. for colour television

29/

provided with permanent marks or references

29/

Photoelectric screens; Charge-storage screens

29/

not using charge storage, e.g. photo-emissive screen, extended cathode

29/

Charge-storage screens

29/

using secondary emission, e.g. for supericonoscope

29/

using photo-emissive mosaic, e.g. for orthicon, for iconoscope

29/

exhibiting internal electric effects caused by particle radiation, e.g. bombardment-induced conductivity

29/

exhibiting internal electric effects caused by electromagnetic radiation, e.g. photoconductive screen, photodielectric screen, photovoltaic screen

29/

Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement

Note

Groups H01J 29/48 to H01J 29/51 take precedence over groups H01J 29/52 to H01J 29/68.

29/

Electron guns

29/

two or more guns being arranged in a single vacuum space, e.g. for plural-ray tubes (H01J 29/51 takes precedence) [2]

29/

Arrangements for controlling convergence of a plurality of beams [2]

29/

Arrangements for controlling intensity of ray or beam, e.g. for modulation

29/

Arrangements for centring ray or beam

29/

Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses

29/

Arrangements for focusing or reflecting ray or beam

29/

Mirrors

29/

Electrostatic lenses

29/

Magnetic lenses

29/

using electromagnetic means only

29/

using permanent magnets only

29/

Arrangements for deflecting ray or beam (circuit arrangements for producing sawtooth pulses or other deflecting voltages or currents H03K)

29/

along one straight line or along two perpendicular straight lines

29/

Deflecting by electric fields only

29/

Deflecting by magnetic fields only

29/

along a circle, spiral, or rotating radial line, e.g. for radar display

29/

Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching

29/

using shadow masks (shadow masks per se H01J 29/07) [3]

29/

Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements

29/

Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection (particle spectrometers or separator tubes H01J 49/00)

29/

Vessels; Containers; Vacuum locks

29/

Arrangements for preventing or mitigating effects of implosion of vessels or containers [2]

29/

provided with coatings on the walls thereof; Selection of materials for the coatings (luminescent screens H01J 29/18)

29/

Optical or photographic arrangements structurally combined with the vessel

29/

Leading-in arrangements; Seals therefor

29/

Means forming part of the tube for the purpose of providing electrical connection to it (construction of connectors H01R)

29/

Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering

29/

One or more circuit elements structurally associated with the tube

29/

Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

31/

Cathode-ray tubes; Electron-beam tubes (H01J 25/00, H01J 33/00, H01J 35/00, H01J 37/00 take precedence; details of cathode-ray tubes or of electron-beam tubes H01J 29/00; cathode-ray or electron-stream lamps H01J 63/00)

31/

having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused

31/

with only one or two output electrodes

31/

with more than two output electrodes, e.g. for multiple switching or counting

31/

having a screen on or from which an image or pattern is formed, picked-up, converted, or stored

31/

Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes

31/

with luminescent screen

31/

Magic-eye or analogous tuning indicators

31/

with ray or beam selectively directed to luminescent anode segments [3]

31/

with mask carrying a number of selectively displayable signs, e.g. numeroscope

31/

with image written by a ray or beam on a grid-like charge-accumulating screen, and with a ray or beam passing through, and influenced by, this screen before striking the luminescent screen, e.g. direct-view storage tube

31/

for displaying images or patterns in two or more colours

31/

for stereoscopic displays

31/

with screen acting as light valve by shutter operation, e.g. eidophor

31/

Image pick-up tubes having an input of visible light and electric output (tubes without defined electron beams and having a light ray scanning a photo-emissive screen H01J 40/20)

31/

with electron ray scanning the image screen

31/

having regulation of screen potential at anode potential, e.g. iconoscope

31/

Tubes with image-amplification section, e.g. image-iconoscope, supericonoscope

31/

having regulation of screen potential at cathode potential, e.g. orthicon

31/

Tubes with image-amplification section, e.g. image-orthicon

31/

Tubes with photoconductive screen, e.g. vidicon

31/

having grid-like image screen through which the electron ray passes and by which the ray is influenced before striking the output electrode, i.e. having "triode action"

31/

with image screen generating a composite electron beam which is deflected as a whole past a stationary probe to simulate a scanning effect, e.g. Farnsworth pick-up tube

31/

Tubes with image-amplification section

31/

Tubes in which electrical output represents both intensity and colour of image

31/

Tubes with amplification of output effected by electron-multiplier arrangements within the vacuum space

31/

Pick-up tubes adapted for an input of electromagnetic radiation other than visible light and having an electric output, e.g. for an input of X-rays, for an input of infra-red radiation

31/

495

Pick-up tubes adapted for an input of sonic, ultrasonic, or mechanical vibrations and having an electric output

31/

Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output

31/

having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen, i.e. having "triode action"

31/

in which the electron ray or beam is reflected by the image input screen on to the image output screen

31/

for converting or amplifying images in two or more colours

31/

Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output

31/

having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen (by circuitry alone H01J 29/98)

31/

with separate reading and writing rays

31/

on opposite sides of screen, e.g. for conversion of definition

31/

having means for allowing all but selected cross-section elements of a homogeneous electron beam to reach corresponding elements of the screen, e.g. selectron

31/

in which the information pattern represents two or more colours

H01J 21/00 - H01J 25/78

H01J 33/00 - H01J 40/20