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)
11/1990
11/01/1990CA2015432A1 Method and apparatus for dynamic magnetic field neutralization
10/1990
10/31/1990EP0395158A1 Device for generating electrons, and display device
10/31/1990EP0394698A2 Electron beam lithography machine and image display apparatus
10/31/1990CN1046636A Magnetic shunt for deflection yokes
10/31/1990CN1010267B Machine for auto-applying seal suspension
10/30/1990US4967120 Electron gun assembly of color ray tube
10/30/1990CA1275689C Method of manufacturing a cathode ray tube for displaying colour images and cathode ray tube for displaying colour images
10/30/1990CA1275687C Electron gun assembly having a reinforced heater tab
10/30/1990CA1275685C Color display system and tube cathode-ray tube including a dipole lens for electrostatic converc-ence
10/30/1990CA1275684C Dynamically converging electron gun system
10/30/1990CA1275683C Colour display tube with reduced deflection defocussing
10/28/1990CA2015396A1 Device for generating electrons, and display device
10/24/1990EP0393921A1 Non-moiré shielded window
10/24/1990EP0393488A2 Grid apparatus for use with a color cathode ray tube
10/24/1990CN2064540U Protective devices for cathode-rays tube
10/24/1990CN1010140B Radiation conversion screen
10/23/1990US4965489 Electron gun for cathode-ray tube
10/23/1990US4965487 Flat cathode ray tube display apparatus
10/23/1990US4965096 Method for preparing improved lithium-silicate glare-reducing coating for a cathode-ray tube
10/23/1990US4965091 Sol gel method for forming thin luminescent films
10/23/1990US4964828 Method of manufacturing a color display tube and a color display tube
10/17/1990EP0392615A1 Colour display tube and display device comprising such a colour display tube
10/17/1990EP0392611A1 Picture display device
10/17/1990CN1046245A Cathode for electric discharge tube
10/16/1990US4963789 Method and apparatus for dynamic magnetic field neutralization
10/16/1990US4963786 Method and apparatus for supporting a shadow mask
10/13/1990CA2012905A1 Non-moire shielded window
10/11/1990DE3911352A1 Arrangement for making contact to a multiplicity of control electrodes and method for producing said arrangement
10/11/1990DE3911348A1 Flat display device
10/10/1990EP0391514A1 Filter-coated red phosphors
10/10/1990EP0391471A1 Image display device and picture tube
10/10/1990EP0391466A1 Cathode for an electric discharge tube
10/10/1990EP0391140A2 Flat display device
10/10/1990EP0391138A2 Contact structure for a flat display device
10/10/1990EP0176589B1 North-south pincushion corrected deflection circuit
10/10/1990CN1009973B Method for fabricating electrode of color picture tube electron gun
10/09/1990US4962333 Coma-corrected picture display system
10/04/1990WO1990011612A1 Beam control grid for a colour-television in-line electron gun and an in-line electron gun using such grid
10/03/1990EP0390194A1 Indium borate phosphor and cathode-ray tube using the same
10/03/1990CN1045894A Electron gun having electrodes effective for improving convergence in color cathode ray tube
10/03/1990CN1045893A Electron gun assembly for crt
10/03/1990CN1045892A 抗静电的阴极射线管 Antistatic cathode ray tube
10/03/1990CN1009882B Projection cathode ray tube
10/03/1990CN1009881B Color picture tube having an inline electron gun with an einzel lens
10/03/1990CN1009880B Shield grid for color cathode ray tube and method of manufacture thereof
10/03/1990CN1009879B Method for producing cathode-ray tube
10/03/1990CN1009878B Heater for indirectly-heated cathode
10/02/1990US4961040 High yield pan-shaped getter device
10/02/1990US4961026 Proximity focused image intensifier having a glass spacer ring between a photocathode and a fluorescent screen disk
10/02/1990US4961025 Cathode for image intensifier tube having reduced veiling glare
10/02/1990US4961023 Cathode ray tube including a helical focusing lens
10/02/1990US4961022 Display tube including a helical focusing lens with a non-rotationally symmetrical lens element
10/02/1990US4961021 Convergence apparatus and convergence yoke used therefor
10/02/1990US4960987 X-ray image intensifier with conductive-coat electrodes on insulated metal sidewalls
09/1990
09/26/1990EP0389233A2 Electron gun assembly for a CRT
09/26/1990EP0388984A2 Electron-beam generator and image display apparatus making use of it
09/26/1990EP0388934A2 Cathode ray tube
09/26/1990EP0388901A2 Color cathode-ray tube apparatus
09/26/1990EP0388425A1 Registration transfer process for the manufacture of cathode ray tubes having tension masks
09/26/1990CN1045660A Single-guns single-beam electric-field dichroic colour cathode-ray tube
09/26/1990CN1009782B Image converter tube of synchronous repeating scanning
09/26/1990CN1009781B Femto second scanning image converter tube
09/26/1990CN1009780B Cathode ray tube
09/26/1990CN1009779B Multifeam electron gun having transition member and method for assembling electron gun
09/26/1990CN1009778B Colour kinescope
09/25/1990CA1274579A1 Cathode ray tube with ion trap
09/25/1990CA1274578A1 Cathode ray tube having an internal magnetic shield
09/25/1990CA1274577A1 Liquid-cooled display tube with counter direction coolant flow
09/20/1990WO1990010992A1 Reducing video display radiation
09/20/1990WO1990010886A1 Anti-glare filter with improved viewing area
09/19/1990EP0387738A1 Flat panel display device
09/19/1990CN1009687B Method of manufacturing fluorescent surface of a beam index type color crt
09/18/1990US4958148 Contrast enhancing transparent touch panel device
09/18/1990CA1274271A1 Color cathode ray tube with a tension mask support having an inclined surface
09/18/1990CA1274270A1 Flat tension mask having apertures with a constant vertical pitch and an increasing horizontal pitch from the center of the mask
09/18/1990CA1274269A1 Liquid cooling system for a display tube comprising a fluid-driven pump
09/14/1990WO1990010946A1 Blackening of ni-based ftm shadow masks
09/13/1990DE3907786A1 Method of applying an antireflective layer to monitor screens
09/13/1990CA2011508A1 Magnetic shunt for deflection yokes
09/12/1990EP0387020A2 Electron discharge tube with bipotential electrode structure
09/12/1990EP0386871A2 Dynamic focus electron gun
09/12/1990EP0386235A1 Panel for cathode ray tube
09/12/1990CN1009609B Device for projecting a television picture onto a screen
09/12/1990CN1009601B Epitaxial material of gallium phosphide with high luminescence efficiency
09/11/1990CA1273986A1 In-line electron gun system for a colour picture tube compensated for beam-spot distortion
09/11/1990CA1273836A1 Filter for cathode ray tube
09/05/1990EP0385403A1 Television picture tube inner shielding material having a blackened layer of superior adhesion and method of manufacturing the same
09/05/1990EP0269498B1 Earth-magnetic field protection device for cathode ray tubes with a shadow mask
09/05/1990CN1009513B Cathode ray tube
09/05/1990CN1009512B Color picture tube having improved shadow mask
09/04/1990US4954901 Television receiver with two electron beams simultaneously scanning along respective verticaly spaced apart lines
09/04/1990US4954418 Formation method and photoresist composition for phosphor screens of color picture tubes
09/04/1990US4954366 Method for the metallization of a luminescent screen
08/1990
08/29/1990EP0384377A2 Optical sensing system
08/29/1990EP0383825A1 Emi/rfi shield for visual display terminals
08/28/1990US4952840 Strengthening means for a sidewall of a cup-shaped member for an electron gun assembly of a CRT
08/28/1990US4952839 Photoconductive device and method of operating the same
08/28/1990US4952794 X-ray imaging system
08/28/1990US4952793 Circuit for gating an image intensifier
08/28/1990US4952188 Method for making mask support structure for a tension mask color cathode ray tube
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