Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
01/1992
01/08/1992EP0464242A1 Photoemitter
01/07/1992US5079531 Geometry correction device for cathode ray tubes
01/07/1992US5079486 Deflection yoke for color crt
01/07/1992US5079477 Slot type shadow mask
01/02/1992EP0463683A1 Colour display tube having a shadow mask suspension means
01/02/1992EP0463602A2 Display apparatus
01/02/1992EP0463060A1 Blackening of ni-based ftm shadow masks
01/01/1992CN1057546A Self converging, wide screen color picture tube system
12/1991
12/31/1991US5077611 Universal image intensifier tube
12/31/1991US5077533 Cathode ray tube deflection yoke arrangement
12/31/1991US5077501 Circuitry for correcting geometrical distortions
12/31/1991US5077498 Pinched electron beam cathode-ray tube with high-voltage einzel focus lens
12/31/1991US5077497 Cathode ray tube
12/31/1991US5077147 Luminescent screen
12/31/1991US5077088 Coating with acrylic polymer and polyvinyl alcohol; curing using oxalic acid as curing agent
12/30/1991WO1992000551A1 Projector
12/27/1991EP0462146A1 Anti-glare filter with improved viewing area
12/26/1991WO1991019836A1 Method for treating the surface of steel
12/24/1991US5075591 Matrix addressing arrangement for a flat panel display with field emission cathodes
12/24/1991US5075590 Convergence correcting device for in-line type color picture tube
12/24/1991US5074899 Reducing metal oxides to free metals in shallow surface layer of glass
12/18/1991EP0462019A1 Device for displaying or projecting images or the like
12/18/1991EP0461562A1 Deflection coil and manufacturing method therefor
12/18/1991EP0461205A1 Electron gun with reduced-movement of cross-over point at increased beam current levels, and methods of operating same
12/18/1991CN1057128A Crt with implosion protection means having mounting lug base-accommodating concavities therein
12/18/1991CN1057127A Tension band and cathode ray tube fastened therewith
12/18/1991CN1057126A 阴极射线管 A cathode ray tube
12/17/1991US5073744 Method and apparatus for dynamic magnetic field neutralization
12/12/1991WO1991019315A1 Color cathode-ray tube
12/11/1991EP0460757A2 Display device
12/11/1991EP0460567A2 Flat panel display device and method of making the same
12/11/1991EP0459984A1 Active shadow mask color crt
12/11/1991CN1056970A 光束扫描式显像管 CRT beam scanning
12/11/1991CN1056950A Shadow mask frame welding apparatus for cathode ray tube
12/10/1991US5072301 Apparatus and process for implosion protection in cathode ray tubes
12/10/1991US5072161 Deflection yoke, a deflection device and a monochrome crt display
12/10/1991US5072151 Color picture tube having improved shadow mask frame
12/10/1991US5072150 Shadow mask assembly for color picture tube
12/04/1991EP0459496A2 Image display device
12/04/1991CN1056769A Deflection yoke arrangement with overlapping deflection coils
12/03/1991US5070281 Display having automatic correction device for horizontal deflection distortion
12/03/1991US5070280 Deflection yoke
12/03/1991US5070272 Photoconductive device and method of operating same
11/1991
11/28/1991WO1991018410A1 Self converging wide screen color picture tube system
11/28/1991DE4016590A1 Filter for electrostatic charge dissipation from picture tubes - comprises conductive liq. filling space between transparent sheets placed few centimetres in front of screen
11/27/1991EP0458504A2 Internal coating materials for a cathode ray tube
11/27/1991EP0458383A1 Television pick-up tube
11/27/1991EP0458179A2 Image pickup tube and its operating method
11/27/1991CN1056602A Cathode-ray tube and process for producing same
11/27/1991CN1056601A Cathode-ray tube having improved 16x9 aspect ratio faceplate panel
11/27/1991CN1014945B Method and machine for automatic measurement of convergence and determination of corrections to be made in trichromatic cathode tube deflectors
11/26/1991US5068568 Cathode ray tube having multilayer interference filter
11/26/1991CA1292570C Optoelectronic signal recording medium and method of making same
11/26/1991CA1292500C Color picture tube having improved shadow mask-frame assembly
11/21/1991EP0457404A2 Short focal length color projector employing dichroic mirror block
11/21/1991EP0457337A2 Color cathode-ray tube, and surface-treated phosphor and method for its production
11/21/1991EP0456942A1 Deflection yoke arrangement with overlapping deflection coils
11/19/1991US5066891 Magnetic field cancellation circuit
11/19/1991US5066887 Color picture tube having an inline electron gun with an astigmatic prefocusing lens
11/19/1991US5066886 Thermally responsive article, method of making same, and a device incorporataing said article
11/19/1991CA1292271C High yield pan-shaped getter device
11/14/1991WO1991017560A1 Ground dissipating means
11/13/1991EP0456224A2 Color cathode ray tube apparatus
11/13/1991EP0455918A1 Self converging wide screen color picture tube system
11/12/1991US5065071 Monochrome CRT with interference filter having filter layer with reduced transmission and projection color TV incorporating same
11/12/1991US5064394 Method of forming a shrinkfit implosion protection band having a concavity therein
11/12/1991US5063874 Producing a black matrix-type phosphor screen of a cathode ray tube
11/07/1991DE4013482A1 Assembly process for visual display matrix boards - uses pure iron for matrix, anode and frame components
11/06/1991EP0455441A2 A deflection yoke
11/06/1991EP0455162A2 Flat display
11/06/1991EP0382838A4 Methods and apparatus for improving cathode ray tube image quality
11/06/1991CN1056016A Color picture tube having inline electron gun with focus adjustment means
11/05/1991US5063538 Optoelectronic signal recording medium and method of making same
11/05/1991US5063327 Field emission cathode based flat panel display having polyimide spacers
11/05/1991US5063326 Dynamic focus electron gun
11/05/1991US5063325 Color picture tube having improved shadow mask-frame assembly support
11/05/1991US5063323 Field emitter structure providing passageways for venting of outgassed materials from active electronic area
10/1991
10/31/1991DE4013175A1 Television camera-tube cathode with optional beam sizes - has beam switching system behind holes in masking grid
10/30/1991EP0454215A1 Method of manufacturing a cathode ray tube
10/30/1991EP0454112A1 Plate material for shadow mask
10/30/1991EP0453979A2 Grid for electron gun system
10/30/1991EP0453978A1 Electron gun system
10/29/1991US5061993 Projection television display device
10/29/1991US5061881 In-line electron gun
10/29/1991US5061874 Glass article having low specular reflection
10/29/1991CA1291519C Filter for crt screen
10/23/1991EP0453039A1 Cathode ray tube comprising an electron gun
10/23/1991EP0452789A2 Color picture tube having inline electron gun with focus adjustment means
10/23/1991CN1055624A Ray casting image intensifier
10/23/1991CN1014477B Colour display tube
10/22/1991US5060075 CRT display device with variable light transmission panel
10/22/1991US5059858 Color cathode ray tube apparatus
10/22/1991US5059854 Image intensifier tube comprising a chromium-oxide coating
10/22/1991US5059147 Method and apparatus for making flat tension mask color cathode ray tubes
10/22/1991CA1291203C Projection television system with display tubes having an interference filter
10/17/1991WO1991015869A1 A device for reducing the field effect from tv screens
10/16/1991CN1055445A Cathode-ray tube having improved 16x9 aspect ratio faceplate
10/16/1991CN1055378A Low glare and anti-static transparent coating composition, method of producing same, and video display coated therewith
10/16/1991CN1014377B Static convergence assembly
10/16/1991CN1014376B Electron gun for use in color cathode ray tube