Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
01/1982
01/20/1982EP0044239A1 Microchannels image intensifier tube and image pick-up assembly comprising such a tube
01/20/1982EP0044017A1 Gamma phase manganese activated zinc-magnesium orthophosphate cathode ray phosphor and monitor cathode ray tube screen employing same
01/19/1982US4311944 CRT With dipolar deflection and quadrupolar-focusing color-selection structure
01/19/1982US4311743 Semiconductor-glass composite material and method for producing it
01/19/1982CA1116391A1 Phosphor-containing compositions and their use in x-ray photography
01/19/1982CA1116389A1 X-ray intensifying screens
01/13/1982EP0043716A2 Photosensitive composition and pattern forming process using same
01/12/1982US4310819 Magnetic beam adjusting arrangement
01/12/1982US4310784 Cathode ray tube face plate construction for suppressing the halo and method
01/12/1982US4310783 Cathode ray tube face plate construction for suppressing the halo having a low reflection and method
01/12/1982US4310780 Magnetic focusing structure for three in-line gun type color picture tubes
01/12/1982US4310779 Cathode ray tube shield-funnel connective means
01/12/1982US4310778 Television camera tube with antihalo plate
01/12/1982US4310776 Cathode-ray tube
01/12/1982CA1116305A1 Television cathode ray tube having getter flash tolerant internal resistive element
01/05/1982US4309720 Apparatus and method for producing an image on a sensitized surface
01/05/1982US4309638 Electron gun cathode support
01/05/1982US4309481 Pigment and borate compound
01/05/1982US4309074 Novel viewing screen
12/1981
12/30/1981EP0042704A2 Method of forming a pattern employing a photosensitive composition
12/29/1981US4308485 Shadow mask support in a color cathode ray tube
12/29/1981US4308484 Frontplate and shadow mask assemblies for a modular flat panel display device
12/29/1981US4307498 One piece astigmatic grid for color picture tube electron gun and method of making same
12/29/1981CA1115403A1 Anti-glare screen with electromagnetic interference rejection
12/29/1981CA1115325A1 Grid structure for color picture tube
12/29/1981CA1115324A2 Beam-index line-screen television display systems
12/23/1981EP0042149A1 Radiation excited phosphor screen and method for manufacturing the same
12/23/1981EP0042020A1 Convergence unit for cathode-ray tube
12/22/1981US4307363 Permeable corrector for deflection yokes
12/22/1981US4307319 Semiconductor layer of oxygen depletion type cerium oxide or lead oxide
12/22/1981US4307130 Method of making the cathode of a diode image intensifier tube
12/15/1981US4306178 Display arrangements
12/15/1981US4306172 Shadow mask of braun tube for color TV and process for manufacturing the same
12/15/1981US4305188 Method of manufacturing cathode assembly
12/15/1981CA1114525A1 X-ray image intensifier tube
12/09/1981EP0041339A1 Color cathode ray tube
12/08/1981US4305055 Television display system incorporating a coma corrected deflection yoke
12/08/1981US4305018 Electron gun structure with electrical contact spring for color television display tube
12/08/1981US4304803 Floating vanes for flat panel display system
12/08/1981US4304586 Method of manufacturing a cathode-ray tube
12/01/1981US4303930 Semiconductor device for generating an electron beam and method of manufacturing same
12/01/1981US4303913 Fluorescent display device and display apparatus using the same
12/01/1981CA1113612A1 Method and means for dynamic correction of electrostatic deflector for electron beam tube
12/01/1981CA1113538A1 Cathode ray tube having image transfer means
11/1981
11/25/1981EP0040450A1 Gettering device and picture display tube having such a gettering device
11/24/1981US4302704 Postacceleration cathode ray tube with a scan expansion lens
11/24/1981US4302703 Video storage system
11/18/1981EP0040126A1 Electron gun for a converging beam
11/18/1981EP0040117A1 Polychromatic cathode ray tube and viewing device equipped with such a tube
11/18/1981EP0039906A2 Aperture mask for a color television tube, color television tube comprising such a mask and method for obtaining the mask
11/18/1981EP0039877A1 A multiple electron beam cathode ray tube
11/18/1981EP0039832A1 Colour television picture reproduction and colour picture tube
11/17/1981US4301389 Multiple beam cathode ray tube with apertured cathode and control grid
11/17/1981US4301388 Color coding of write-through information in direct viewing bistable storage CRT display
11/17/1981US4301041 Glass frit and graphite particles paintable as bridge and hardened by baking
11/17/1981CA1112773A1 Low intensity x-ray and gamma-ray imaging device
11/17/1981CA1112757A1 Beam index color cathode ray tube
11/11/1981EP0039502A1 Device for compensating outer magnetic fields acting on television colour picture tubes
11/10/1981US4300071 Four-corner shadow mask suspension system for television cathode ray tubes
11/10/1981US4300070 Cathode-ray tube screen border improvement
11/10/1981US4300069 Color picture tube having improved slit type shadow mask and method of making same
11/10/1981US4300046 Panel type X-ray image intensifier tube and radiographic camera system
11/10/1981CA1112284A1 Cathode-ray tube with non-rotationally symmetrical electron lens
11/10/1981CA1112283A2 Quadropole lens having interdigitated lobes on adjacent tubular members
11/10/1981CA1112282A1 Colour television display tube
11/10/1981CA1112281A1 Colour display tube
11/04/1981EP0039276A1 Method for winding several turns of wire on a case, in particular for the winding of deviation rings for cathode ray tubes, machine for carrying out the method and winding obtained by the method
11/04/1981EP0039219A1 Light sensitive screen and devices including the same
11/03/1981US4298894 Image pick-up tube
11/03/1981US4298821 Electron tube with particle trap integral with envelope wall
11/03/1981US4298820 Luminescent screen
11/03/1981US4298819 Beam Clean up structure for flat panel display devices
11/03/1981US4298818 Electron gun
11/03/1981US4298814 Directly heated type cathode assembly
11/03/1981CA1111893A1 Cathode-ray tube having a stepped shadow mask
11/03/1981CA1111719A1 Automatic spray coating machine
10/1981
10/28/1981EP0038557A2 Optical low-pass filter
10/28/1981EP0038516A1 Color picture tube provided with an inner magnetic shield
10/27/1981US4297612 Electron gun structure
10/27/1981US4297584 Stabilization of cerium-activated oxybromides of yttrium, lanthanum, and gadolinium with a moisture-protective coating of the oxychloride
10/27/1981US4297390 Oxidation of pyrite layer produced in an aqueous suspension from a polysulfide solution and a ferrous compound
10/27/1981CA1111489A1 Cathode ray tube with stress-relieved slot-aperture shadow mask
10/27/1981CA1111488A1 Television picture tube with cathode coating erosion suppression
10/27/1981CA1111487A1 Electron gun having a distributed electrostatic lens
10/27/1981CA1111486A1 Convergence assembly for cathode ray tube
10/27/1981CA1111485A1 Static convergence device including magnetic corrector apparatus
10/21/1981EP0038196A2 Magnetic field correction method and apparatus
10/20/1981US4296359 Television display error correction
10/20/1981US4296189 Exposure of metal sheet through photomaster having aperture images with greater end width
10/20/1981US4295923 Method of manufacturing a semiconductor/glass composite material
10/20/1981US4295574 Banded-type implosion protection cathode ray tubes
10/20/1981CA1111143A1 Color coding of write-through information in direct viewing bistable storage crt display
10/20/1981CA1110928A1 Luminescent screen
10/13/1981US4295110 Adjusting device for color cathode ray tube
10/13/1981US4295073 Microchannel plate-in-wall structure
10/13/1981CA1110755A1 Index tube color television system
10/07/1981EP0036901A1 Arrangement for producing electron beams in a vacuum discharge vessel
10/06/1981US4293801 Cathode ray tube assemblies
10/06/1981US4293792 Color picture tube having improved slit type shadow mask
10/06/1981US4293791 Color picture tube having improved corrugated apertured mask
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