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