Patents
Patents for H01J 31 - Cathode-ray tubes; Electron-beam tubes (11,837)
06/1990
06/13/1990CN1043038A 显示器件 Display Devices
06/12/1990US4933604 Plate-type cathode ray tube device
06/12/1990US4933597 Cathode ray tube
06/12/1990US4933593 Liquid-cooled projection television display tube with expansion vessel
06/06/1990CN1042803A Cathode ray tube and envelope therefor
05/1990
05/29/1990US4929867 Two stage light converting vacuum tube
05/23/1990EP0369770A1 A cathode ray tube
05/23/1990EP0369468A2 Flat display
05/22/1990US4928041 Flat display device
05/22/1990US4927218 Flat display tube comprising an emission system for emitting a planar electron beam, a deflection system and a modulation system
05/18/1990CA2003292A1 Flat display
05/16/1990EP0368201A2 Flat display tube comprising an extraction anode
05/16/1990EP0172089B1 Display device using field emission excited cathode luminescence
05/16/1990CN1008029B Colour display tube
05/15/1990US4926039 Streaking or framing image tube with plural grid control
05/09/1990EP0367294A2 Flat panel type display and method for driving the display
05/08/1990US4924140 Color picture tube of shadow mask type with particular faceplate panel structure
05/08/1990US4924080 Electromagnetic interference protection for image intensifier tube
05/08/1990US4923421 Method for providing polyimide spacers in a field emission panel display
05/02/1990EP0366500A2 An image intensifier device
05/02/1990EP0366055A2 Video display device
05/02/1990EP0365686A1 Fluorescent display tube
05/02/1990CN1007850B Color picture tube having improved line screen
05/01/1990US4922158 Polychromatic CRT with crystalline semiconductor screen
04/1990
04/25/1990EP0364888A2 A green light emitting phosphor
04/11/1990EP0362347A1 Channel plate for an image intensifier tube, and process for producing a channel plate, and image intensifier tube provided with a channel plate.
04/10/1990US4916543 Circular scan streak tube with electronic memory and readout
04/10/1990CA1267680A1 Image display apparatus
04/05/1990DE3833133A1 Method for the production of an electrode system for an X-ray image intensifier
04/04/1990EP0362057A1 Apparatus for the generation of an infrared image
04/04/1990EP0362017A1 Device such as diode, triode or flat and integrated cathodoluminescent display device, and manufacturing process
04/04/1990EP0361266A2 X-ray image intensifier
04/04/1990EP0360906A1 X-ray image intensifier
04/03/1990US4914296 Infrared converter
03/1990
03/28/1990CN1007387B Cathode ray tube having internal magnetic shield
03/21/1990CN1040706A Color cathode ray tube and envelope for use with color cathode ray tube
03/20/1990US4910429 Cathode ray tube which is small and uses a small amount of power
03/14/1990EP0358252A1 Display device
03/13/1990US4908548 Fluorescent display device
03/13/1990US4908545 Cathode ray tube
03/13/1990US4908539 Display unit by cathodoluminescence excited by field emission
03/08/1990EP0328549A4 Aplanatic image combiner for use in projection television systems.
03/07/1990EP0357114A1 X-ray image intensifier tube persistence
03/07/1990EP0356823A1 Color cathode ray tube and envelope for use with the color cathode ray tube
03/06/1990US4906897 Image intensifier tube
03/06/1990US4906893 X-ray image intensifier and method of manufacturing the same
03/06/1990US4906833 Electron beam information exchange apparatus with converting light signals
02/1990
02/28/1990EP0355893A1 Method of manufacturing a colour display tube
02/27/1990US4904217 Vacuum tube including an electron-optical system
02/27/1990CA1266297A1 Luminescent display cell
02/22/1990WO1990001791A1 Methods and apparatus for improving cathode ray tube image quality
02/21/1990CN1039930A Electron tube
02/20/1990US4902927 Streak tube
02/20/1990CA1266080A1 Luminescent display cell
02/14/1990EP0354750A2 Image display apparatus and method of fabrication thereof
02/13/1990US4900991 Monotube CRT
02/13/1990US4900983 Cathode ray tube employing index phosphor elements adhered to a color selective electrode
02/13/1990US4900981 Flat-shaped display apparatus
02/13/1990US4900975 Target of image pickup tube having an amorphous semiconductor laminate
02/13/1990US4900930 Alpha-ray image detecting apparatus
02/06/1990US4899081 Fluorescent display device
02/06/1990US4899080 Projection television display tube with cooling means and display device having such a display tube
02/06/1990US4898457 Optical system of television camera
02/06/1990CA1265574A1 Flat electron control device utilizing a uniform space-charge cloud of free electrons as a virtual cathode
02/06/1990CA1265572A1 Projection television display tube with latent heat accumulator for cooling
01/1990
01/31/1990CN1039324A Integrated electronic optical / differential pumping / imaging signal detection system for environmental scanning electron
01/30/1990US4897731 Method and means for reading electronic signal patterns stored on a movable image recording surface
01/30/1990CA1265183A1 Cathode ray tube apparatus with coolant expansion chamber
01/25/1990WO1990000808A1 Field emission cathode based flat panel display having polyimide spacers
01/24/1990EP0352152A1 Method of manufacturing a scintillator, and scintillator so obtained
01/24/1990CN2051784U Single gun, single beam electric field chromatic spliting colour crt
01/23/1990US4896080 Flat picture-reproducing device
01/17/1990EP0350995A2 Projection television display tube and device having band pass interference filter
01/11/1990WO1990000307A1 Method for operating an image intensifier tube provided with a channel plate and image intensifier tube device provided with a channel plate
01/11/1990WO1990000306A1 Method of manufacturing a control subassembly for flat display devices
01/10/1990EP0350378A1 Electronic micro component self-sealed under vacuum, especially a diode or triode, and its manufacturing process
01/10/1990EP0350359A1 Method for making an X-ray image intensifier tube, image intensifier tube so obtained
01/10/1990EP0350111A1 Sheet-type dynode, electron multiplier and photomultiplier having such dynodes
01/09/1990US4893056 Fluorescent display apparatus
01/09/1990US4893053 Color display tube with channel electron multiplier means
01/09/1990US4893020 X-ray fluorescent image intensifier
01/03/1990EP0349426A1 Microtip fluorescent display with a reduced number of addressing circuits, and addressing method for this display
01/03/1990EP0349425A1 Three-colour fluorescent screen using micro-tip cathodes
01/03/1990EP0349370A1 X-ray image intensifier device provided with a circuit to compensate for magnetic distortion effects
01/03/1990EP0349112A2 Combined image intensifier and pickup device
01/03/1990EP0349081A1 Electron tube
01/02/1990US4891552 Image display apparatus with means for correcting image distortion
12/1989
12/26/1989US4890031 Semiconductor cathode with increased stability
12/12/1989US4887000 Electron beam generation apparatus
12/12/1989US4886997 Color picture tube with shadow mask support assembly
12/12/1989US4886996 Channel plate electron multipliers
12/12/1989US4886970 X-ray diagnostic device with an X-ray converter
12/06/1989EP0345086A1 Single crystal output screen
12/05/1989US4885502 Deflection unit for use in a projection television display tube
11/1989
11/28/1989US4884011 Light-detecting device
11/28/1989US4884005 Color picture tube with support means for suspending the mask
11/23/1989EP0342954A2 Combined image intensifier and pickup device
11/21/1989US4882481 Automatic brightness control for image intensifiers
11/16/1989WO1989011197A1 Electronic still camera tube
11/14/1989US4881017 Display device with stretched electrode assemblies having different resonant frequencies