Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
08/1991
08/06/1991US5038074 Shadow-mask color picture tube
08/06/1991US5038073 Electron gun for cathode ray tube
08/06/1991US5038072 Contact device for the photocathode of photoelectric tubes and manufacturing method
08/06/1991US5036577 Method of forming a shrink fit implosion protection band
07/1991
07/31/1991EP0383825A4 Emi/rfi shield for visual display terminals
07/30/1991US5036258 Color CRT system and process with dynamic quadrupole lens structure
07/30/1991US5036250 Picture display device with core means comprising compensation coils
07/30/1991US5036247 Dot matrix fluorescent display device
07/30/1991US5036246 Compensated deflection yoke for cathode-ray tubes
07/30/1991US5036208 Luminescent screen
07/25/1991DE4001516A1 Layer structure esp. for imaging screen - has transparent phosphor layer and polarisation on the sides of the layer structure
07/24/1991EP0438337A1 Process for manufacturing a phosphor
07/24/1991EP0438197A1 Cathode ray tube having a curved display window and colour display device
07/24/1991EP0438139A2 Color cathode ray tube
07/24/1991EP0437591A1 Light modulating devices
07/24/1991CN1053320A Thin-type image display device
07/24/1991CN1013326B Reinforcing means for a cup-shaped electron gun electrode
07/23/1991US5034654 Beam focusing means for a CRT electron gun assembly
07/23/1991US5034653 Electron gun having unipotential focusing lenses for color picture tube
07/23/1991US5034652 Electron gun for color-picture tube
07/23/1991CA1286709C Flat picture-reproducing device
07/17/1991EP0436998A1 Method of manufacturing a saddle-shaped deflection coil for a picture display tube
07/17/1991EP0436997A1 Thin-type picture display device
07/17/1991CN1013235B Display device
07/17/1991CN1013234B Cathode ray tube and envelope therefor
07/17/1991CN1013233B Colour display tube device
07/17/1991CN1013232B Laminar flow gun for light valves
07/16/1991US5032920 Ground strap for conductive screen on CRT
07/16/1991US5032764 Coil, a method of construction of said coil and an imaging device equipped with a coil of this type
07/16/1991US5032761 Electron feed structure for flat-type luminous device
07/16/1991US5032760 Dynamic focus electron gun
07/16/1991US5032756 Color cathode ray tube and envelope for use with the color cathode ray tube
07/16/1991US5031788 Flat panel display device
07/11/1991WO1991010253A1 Tension mask color cathode ray tube
07/11/1991DE4041895A1 Deflection coil yoke arrangement for television or VDU picture tube - has subcoil attached to flange of main deflection coil former and made of two-part core
07/10/1991EP0436477A2 Gettering device and system for a cathode ray tube
07/10/1991EP0436401A2 Multistep focusing electron gun for cathode ray tube
07/10/1991EP0436360A2 Dispenser cathode structure for use in electron gun
07/10/1991CN1052973A Frame supporting spring for color cathode ray tube
07/09/1991US5031033 Projection television apparatus
07/09/1991US5030882 Protective screen for a visual display device
07/09/1991US5030881 Color picture tube with shadow mask having improved aperture border
07/09/1991US5030880 Shadow mask for color cathode ray tube
07/09/1991US5030879 Thin metal support base containing electron emitter
07/09/1991US5030155 Method of making an adjustable-height shadow mask support for a flat tension mask color cathode ray tube
07/09/1991US5030154 Method of mounting tensed CRT mask
07/03/1991EP0435602A2 Deflection yoke
07/02/1991US5029258 Image display device and its driving method
07/02/1991US5029256 Color cathode ray tube
07/02/1991US5029247 X-ray image intensifier and method of manufacturing input screen
07/02/1991US5028899 Clamp for fixing deflection yoke assembly
07/02/1991US5028898 Color cathode-ray tube having deflection yoke
07/02/1991US5028850 Deflection system with a controlled beam spot
07/02/1991US5028842 Device for chromatic conversion of an image obtained by electromagnetic radiation and manufacturing process thereof
07/02/1991US5028840 Image display panel
07/02/1991US5028838 Grid assemblies for use in cathode ray tubes
07/02/1991US5028837 Low energy ion trap
07/02/1991US5028836 Color cathode ray tube of shadow mask type
07/02/1991US5028501 Method of manufacturing a luminescent screen assembly using a dry-powdered filming material
07/02/1991US5028105 Photorefractive effect in bulk glass and devices made therefrom
07/02/1991CA1285598C L-shaped support structure for tensioned shadow mask
06/1991
06/26/1991CN1052444A Tubular silicon carbide structures and process for production thereof
06/25/1991US5027097 Saddle-coil arrangement for a cathode ray tube and a coil carrier for such an arrangement
06/25/1991US5027043 Electron gun system with dynamic convergence control
06/25/1991US5027042 Color display tube system with reduced spot growth
06/25/1991US5027029 Indirectly heated cathode assembly and its associated electron gun structure
06/25/1991US5026312 Method of manufacturing a shadow mask, shadow mask manufactured according to such a method, and color display tube comprising such a shadow mask
06/19/1991EP0432744A2 Color cathode ray tube
06/19/1991EP0432217A1 In-line colour picture tube.
06/19/1991EP0203103B1 Integrated touch panel system for displays
06/19/1991CN1052394A Surface display optical pen terminal
06/18/1991US5025490 Cathode-ray tube with its display front protected from undesirable electrification
06/18/1991US5025191 Adjustable-height shadow mask support for a flat tension mask color cathode ray tube
06/18/1991US5025189 Dynamic focusing electron gun
06/18/1991US5025144 For imaging incident energetic radiation
06/13/1991DE3941066A1 Display device - has light fibres running between screen surface and front surface of plate in front of screen
06/12/1991EP0431693A1 Colour display tube
06/12/1991EP0431657A1 Display device and methods of manufacturing such a display device
06/12/1991EP0431229A1 Deflection yoke assembly for cathode ray tube and liner for the same
06/12/1991EP0207991B1 Transmission enhancing coating
06/12/1991CN1052219A Improved shrink fit implosion protection band
06/12/1991CN1052218A Color picture tube having improved shadow mask-frame assembly support
06/12/1991CN1052217A Method of forming shrink fit implosion protection band
06/11/1991US5023896 X-ray television apparatus
06/11/1991US5023511 Optical element output for an image intensifier device
06/11/1991US5023510 Picture tube having an electro-magnetic deflection unit
06/11/1991US5023509 Color CRT-yoke combination having conforming corrective magnetic field means attached to the CRT
06/11/1991US5023508 In-line type electron gun for color cathode ray tube
06/11/1991US5023507 Faceplate assembly
06/11/1991US5023014 Rare earth element activated complex halide; radiation image storage panel; high luminescence
06/11/1991US5022874 Miniature high voltage connector
06/05/1991EP0430062A2 Colour picture tube having improved shadow mask-frame assembly support
06/05/1991EP0429694A1 X-ray image intensifier
06/05/1991EP0429597A1 Beam-indexing electronic tube with very thin layers of indexing bands
06/05/1991CN1012773B X-ray image tubes and manufacturing method thereof
06/05/1991CN1012772B X-ray display tube
06/04/1991US5021707 Color picture tube having shadow mask with improved support
06/04/1991US5021705 Method of fabricating an image pick-up tube and target section used therewith
06/04/1991CA1284690C Display control apparatus
05/1991
05/31/1991CA2029553A1 Shrink fit implosion protection band