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)
06/1990
06/26/1990US4937661 Projection television display tube and device having band pass interference filter
06/26/1990US4937493 Cathode ray tube with an electrical connecting element
06/26/1990US4937492 Flat display device and cathode unit
06/26/1990US4937491 Display tube having a post-deflection structure and method of manufacturing said structure
06/26/1990CA1270895A1 Conductive coated semiconductor electrostatic deflection plates
06/26/1990CA1270892A1 Projection television display with multilayer interference filter
06/26/1990CA1270891A1 Flat picture display tube having a plastic safety sheet for implosion protection
06/26/1990CA1270889A1 Method of manufacturing a color picture tube having coatings of organic and inorganic constituents
06/26/1990CA1270888A1 Color cathode ray tube having slotted internal magnetic shield
06/21/1990DE3841870A1 Steel for producing steel strips for the fabrication of shadow masks
06/21/1990CA2003751A1 Surface treatment of silica-coated phosphor particles and method for crt screen
06/20/1990EP0373684A1 Monochrome cathode ray tube electro gun
06/20/1990EP0373511A2 Indirectly heated cathode assembly.
06/19/1990US4935663 Electron gun assembly for color cathode ray tube apparatus
06/19/1990US4935630 Lens-sphere optical sensing system
06/19/1990US4935617 X-ray image intensifier and method of manufacturing the same
06/19/1990US4934975 Method for making mask support structure for a tension mask color cathode ray tube
06/19/1990US4934974 Factory fixture frame with means for temporarily and removably supporting an in-process tension mask for a color cathode ray tube
06/19/1990CA1270515A1 Colour display tube
06/14/1990WO1990006589A1 Active shadow mask color crt
06/13/1990EP0373001A1 Apparatus for extending the infrared response of photocathodes
06/13/1990EP0372630A2 Shadow mask with border pattern
06/13/1990EP0372488A2 Panel with anti-reflective multi-layered film thereon
06/13/1990EP0372395A2 X-ray image intensifier and method of manufacturing the same
06/13/1990CN1043038A 显示器件 Display Devices
06/13/1990CN1043006A Photoresist composite for fluorescent screen of colour kinescope
06/12/1990US4933604 Plate-type cathode ray tube device
06/12/1990US4933598 Cathode-ray tube with internal insulated electrical conductors
06/12/1990US4933597 Cathode ray tube
06/12/1990US4933596 Deflection yoke with compensation for misconvergence by the horizontal center raster
06/12/1990US4933595 Color display tube including a color selection electrode with border
06/12/1990US4933593 Liquid-cooled projection television display tube with expansion vessel
06/12/1990US4932752 Fiber optic core glass compositions having a high refractive index
06/06/1990EP0371618A1 Method and device for suppression of leakage of magnetic flux in display apparatus
06/06/1990EP0207119B1 Luminescent ceramic plates
06/06/1990CN1042803A Cathode ray tube and envelope therefor
06/06/1990CN1008312B Electron gun for colour display tube
06/05/1990US4931693 Ion bombardment barrier layer for a vacuum tube
06/05/1990US4931691 Electron gun assembly having a reinforced heater tab with locating means
06/05/1990US4931690 Color picture tube with an electron shield
06/05/1990US4931689 Color display tube
06/05/1990CA1270035A1 Color cathode ray tube having a faceplate-mounted metal frame with a welded-on tension foil shadow mask
06/05/1990CA1270034A1 Tension mask color cathode ray tube front assembly having a stabilized mask support frame
06/05/1990CA1270033A1 Ceramic support with a weldable metal strip for a tensioned foil shadow mask
06/05/1990CA1270032A1 Indexing means with optimized groove angle
05/1990
05/30/1990EP0370876A1 Device for mounting a demagnetization coil of a television receiver
05/30/1990CN1042622A 阴极射线管 A cathode ray tube
05/30/1990CN1008228B Fluorescent indicator with high brightness
05/29/1990US4930015 Flat tension mask cathode ray tube implosion system
05/29/1990US4929867 Two stage light converting vacuum tube
05/29/1990US4929865 Eye comfort panel
05/29/1990US4929864 Flat tensioned mask, cathode ray tube
05/29/1990CA1269695A1 Electron gun system with dynamic focus and dynamic convergence
05/29/1990CA1269694A1 Deflection distortion correction device
05/23/1990EP0369770A1 A cathode ray tube
05/23/1990EP0369101A2 Multistep focusing electron gun for cathode ray tube
05/23/1990CN1042448A Fluorescent screen of cathode-ray kinescope
05/23/1990CN1042447A Pre-coating composition for luminescent screen of cathode ray tube
05/22/1990US4928035 Glass viewing screen for a color-picture-reproducing device and a method of making the same
05/22/1990US4927218 Flat display tube comprising an emission system for emitting a planar electron beam, a deflection system and a modulation system
05/17/1990WO1990005376A1 Methods and apparatus for post-assembly custom fine-tuning of an electron beam characteristic in a cathode ray imaging tube
05/16/1990EP0368201A2 Flat display tube comprising an extraction anode
05/16/1990EP0172089B1 Display device using field emission excited cathode luminescence
05/16/1990CN1042270A Color display system and tube having electron gun with dual electron modulation
05/16/1990CN1042269A Color cathode-ray tube having deflection yoke
05/16/1990CN1042268A Colour cathode ray tube
05/16/1990CN1042267A Method of manufacturing saddle-shaped deflection coil for picture display tube and display tube comprising deflection system using saddle-shaped deflection coils
05/16/1990CN1008029B Colour display tube
05/16/1990CN1008027B Method of manufacturing a shadow mask, shadow mask manufastured according to such a method, and colour display tube comprising such a shadow mask
05/15/1990US4926090 Television picture tube having a composite frontal pane
05/15/1990US4926089 Tied slit foil shadow mask with false ties
05/15/1990US4925421 Method of manufacturing a color cathode-ray tube and a color cathode-ray tube
05/09/1990EP0367652A1 Electronic tube with a compact construction, and its manufacturing process
05/09/1990EP0367269A2 Method for reinforcing glass, film-forming composition for the reinforcement of glass and reinforced glass articles
05/09/1990EP0367250A1 Cathode ray tube
05/09/1990EP0366852A2 Compensated deflection yoke for cathode-ray tubes
05/08/1990US4924140 Color picture tube of shadow mask type with particular faceplate panel structure
05/08/1990US4924139 Projection cathode-ray tube with green emitting phosphor screen
05/08/1990US4924080 Electromagnetic interference protection for image intensifier tube
05/08/1990US4923422 Process for an improved tension mask support structure
05/08/1990US4923421 Method for providing polyimide spacers in a field emission panel display
05/02/1990EP0366523A1 Imaging shadow mask tube, mainly for colour television
05/02/1990EP0366500A2 An image intensifier device
05/02/1990EP0366465A2 A colour cathode ray tube
05/02/1990EP0366245A2 Color display system and tube having an electron gun with dual electrode modulation
05/02/1990EP0366196A1 Method of manufacturing a saddle-shaped deflection coil for a picture display tube and display tube comprising a deflection system using saddle-shaped deflection coils
05/02/1990EP0366090A2 Cathode ray tube
05/02/1990EP0366055A2 Video display device
05/02/1990EP0260311B1 Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment
05/02/1990CN1007850B Color picture tube having improved line screen
05/02/1990CN1007849B Method of drape drawing shadow mask for color display tube, shadow mask manufactured by said method, and color display tube comprising such shadow mask
05/01/1990US4922167 Picture display device having means for compensating line stray fields
05/01/1990US4922166 Electron gun for multigun cathode ray tube
05/01/1990US4922158 Polychromatic CRT with crystalline semiconductor screen
05/01/1990US4922153 Method of, and device for, reducing magnetic stray fields
05/01/1990US4921727 Surface treatment of silica-coated phosphor particles and method for a CRT screen
05/01/1990CA1268517A1 Tension shadow mask support structure composed of sheet metal
05/01/1990CA1268516A1 Three picture tube device for projecting a television image onto a screen
04/1990
04/25/1990CA1268203C Portable radiation and static electricity suppression and anti-glare screen
04/25/1990CA1268064C Lens for video terminal screen
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