Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
03/1991
03/27/1991EP0418965A1 Cathode ray tube having a photodeflector
03/27/1991EP0418962A1 Display device and cathode-ray tube
03/27/1991EP0418368A1 Reducing video display radiation
03/27/1991CN1050288A Cathode supporting structure for color cathoderay tube
03/27/1991CN1012239B Colour cathode ray tube
03/27/1991CN1012238B Surface plate type cathode ray tube device
03/27/1991CN1012177B Phosphous and fluoressent compositions emitting under low-velocity electron excitation and fluorescent display devices utilizing the same
03/26/1991US5003219 Fixed construction for plate electrodes in a flat display unit
03/26/1991US5003218 Color display tube and method of manufacturing such a color display tube
03/26/1991US5002844 Photoresist and method of manufacturing the color cathode-ray tube by use thereof
03/26/1991US5002799 Method for manufacturing anti-static cathode ray tubes
03/23/1991WO1991004568A1 Color cathode-ray tube
03/23/1991CA2042392A1 Color cathode ray tube
03/20/1991EP0418126A1 Deflection yoke with corrective magnetic field and with an auxilary magnetic shield
03/20/1991EP0417809A2 Manufacturing method and apparatus of cathode ray tube
03/19/1991US5001390 Combination of a display tube and a deflection unit, with reduced north-south raster error
03/19/1991US5001389 Cathode-ray tube having arc suppressing means therein
03/13/1991EP0416175A1 Contact device for the photocathodes of photoelectric tubes, and process for manufacturing same
03/12/1991US4999548 Picture analyser tube with streak compensation
03/12/1991US4999542 Data processing display terminal
03/12/1991US4999261 Thin film of tin and antimony oxides, health hazard reduction
03/12/1991US4998901 Method and apparatus for making flat tension mask color cathode ray tubes
03/12/1991CA1281362C Compensation loops in cathode ray tubes for reducing the magnetic field strength in the tube environment
03/12/1991CA1281360C Electron gun system
03/07/1991WO1991003067A1 Vertical coma correction arrangement
03/06/1991EP0415562A2 Grid assemblies for use in cathode ray tube
03/06/1991EP0415125A1 Cathode ray tube
03/06/1991EP0415019A1 Cathode-ray tube apparatus having a reduced leak of magnetic fluxes
03/06/1991CN1049751A Color cathode tube with deflection optical aberration improved
03/06/1991CN1049750A Electron gun for color cathode ray tube
03/05/1991US4998041 Deflection yoke with cross-arm structure to reduce beam mis-landing
03/05/1991US4998037 Electron tube having electrode and insulator components with matched coefficients of expansion
02/1991
02/28/1991DE4026674A1 Diverter yoke for a colour picture tube - uses sec. diverter formed of multiple coils oriented towards the tube axis and circuitry to control barrel and diagonal distortion
02/27/1991EP0414408A2 Carbon slurry regeneration
02/27/1991EP0413854A1 Pigment-attached phosphor
02/26/1991US4996461 Closed loop bucking field system
02/26/1991US4996459 Cathode ray tube for color display
02/26/1991US4996458 Laminated
02/26/1991US4996414 X-ray image intensifier with electron optics coating
02/26/1991US4995701 Anti-glare filter with improved viewing area
02/26/1991CA1280800C A-shaped tension mask mounting rail
02/21/1991WO1991002373A1 Method and apparatus for controlling dynamic convergence of a plurality of electron beams of a color cathode ray tube
02/21/1991WO1991002280A1 Light modulating devices
02/21/1991CA2362536A1 Control of a plurality of electron beams of a color cathode ray tube
02/20/1991EP0412983A1 Television picture tube
02/20/1991EP0204733B1 Electromagnetic energy interference seal for light beam touch panels
02/20/1991CN1011750B Method of demagnetization for colour cathode ray tubes
02/20/1991CN1011748B Cathode-ray tube and method of producing same
02/20/1991CN1011747B Electron guns of colour picture tube arranged in straight line and their picture tube
02/19/1991US4994713 An electron gun for a cathode ray tube
02/19/1991US4994712 Foil shadow mask mounting with low thermal expansion coefficient
02/19/1991US4994704 Cathode ray tube and an envelope therefor
02/13/1991EP0412887A1 High efficiency cathodoluminescent screen for high luminance cathode ray tube
02/13/1991CN1049246A Deflection yoke for colour cathode ray tube
02/13/1991CN1049245A Deflection yoke for use in clour cathode ray tube
02/12/1991US4992698 Color picture tube including an electron gun with an electrode having an optimized attachment means
02/12/1991US4992697 Picture display device with magnetizable core means comprising compensation coils
02/12/1991US4992054 Connector with a retractable base plate to protect its contact outlets
02/07/1991DE4024314A1 In=line electron gun for CRT - has unipotential and bi-potential focus lenses with intermediate unipotential focus lens
02/06/1991EP0410965A1 Material and process for the manufacture of tension masks for cathode ray tubes
02/05/1991US4991024 Compact
02/05/1991US4990832 Color display system
02/05/1991US4990825 Cathode ray tube having stress resistant frame
02/05/1991US4990824 Color cathode ray tube having interference filter with different pass bands
02/05/1991US4990823 Electron gun and method of manufacturing an electron gun, and display tube comprising such an electron gun
02/05/1991US4990822 Focusing electrode assembly for a color cathode ray tube electron gun
02/05/1991US4990417 Method of manufacturing a cathode ray tube
02/05/1991US4990366 Method for the metallization of a luminescent screen
02/05/1991US4989953 Video display terminal filter
01/1991
01/30/1991EP0410386A2 Color picture tube
01/30/1991EP0410350A2 Method for producing an yttrium oxysulfide fluorescent material
01/30/1991EP0378537A4 Projection tv system with concave phosphor surfaces
01/30/1991CN1048949A Color picture tube having improved shadow mask-frame assembly support
01/29/1991US4988929 Picture display device
01/29/1991US4988928 Picture display device
01/29/1991US4988926 Color cathode ray tube system with reduced spot growth
01/29/1991US4988915 Picture display device
01/29/1991US4988203 Device for inspecting an interference filter for a projection television display tube
01/23/1991EP0409325A1 Display tube
01/23/1991CN1048769A Colour display tube
01/23/1991CN1048768A Dispenser cathode for cathode-ray tube
01/23/1991CN1011367B Color picture tube having inline electron gun with einzel lens
01/23/1991CN1011366B Cathode ray tube
01/22/1991US4987338 Cathode ray tube with film on face-plate
01/22/1991US4987337 Color display tube having a color selection electrode with resilient support
01/22/1991CA1279362C Vibration damping means for tension mask cathode ray tubes
01/16/1991EP0408139A2 Display tube and deflection unit suitable for such a display tube
01/16/1991EP0408113A1 Projection television system and a cathode-ray tube with interference filter
01/16/1991EP0407980A1 Color picture tube
01/16/1991EP0407929A1 Support for component of a colour picture tube
01/16/1991EP0407447A1 Blackening of non iron-based flat shadow masks
01/16/1991CN1048643A Inorganically insulated heater, production thereof, and cathode ray tube using same
01/16/1991CN1048631A Color cathode ray tube lacking inner shield
01/16/1991CN1048630A Electron gun for colour cathode ray tube
01/16/1991CN1011273B Cathode ray tube with electric junction device
01/16/1991CN1011272B Iron-nickel alloy shadom mask for color cathode-ray tube
01/15/1991US4985658 Front panel for color television tubes
01/15/1991US4985633 Scintillator with alveolate structured substrate
01/09/1991EP0407104A2 Inorganically insulated heater, process for production thereof and cathode ray tube using the same
01/09/1991EP0406942A1 Method of manufacturing a display device and a display device