Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146) |
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08/28/1990 | US4952186 Method of making a color picture tube electron gun with reduced convergence drift |
08/28/1990 | CA1273392A1 Colour picture tube including a deflection unit having a pair of plate-shape elements for picture balance correction |
08/23/1990 | WO1990009681A1 Particle detector |
08/23/1990 | WO1990009675A1 Electron gun with reduced-movement of cross-over point at increased beam current levels, and methods of operating same |
08/22/1990 | EP0383581A2 Internal coating materials for a cathode ray tube |
08/22/1990 | EP0382838A1 Methods and apparatus for improving cathode ray tube image quality |
08/22/1990 | CN1044873A Color cathode ray tube system with reduced spot growth |
08/22/1990 | CN1009323B Colour television display tube with coma correction |
08/21/1990 | US4950952 Photocathode and method of manufacturing the same |
08/21/1990 | US4950949 Color display tube having asymmetric deflection electrodes |
08/21/1990 | US4950947 Cathode ray tube containing an anode which yields minimal X-ray emission |
08/21/1990 | US4950946 Display device comprising a flat display window and low-microphonics linear thermionic wire cathodes |
08/21/1990 | US4950945 Tension mask securement means and process therefor |
08/21/1990 | US4950944 For use in a cathode ray tube |
08/21/1990 | US4950943 Support for shadow mask in a cathode ray tube |
08/21/1990 | US4950941 Color picture tube having improved shadow mask-frame assembly support |
08/21/1990 | US4950192 Method of manufacturing of color display tube |
08/16/1990 | EP0382554A2 Method of forming a metal-backed layer and a method of forming an anode |
08/16/1990 | EP0382299A1 Color cathode ray tube system with reduced spot growth |
08/16/1990 | EP0185082B1 Gullwing distortion corrected deflection circuitry for a square-planar picture tube |
08/14/1990 | US4949010 X-ray attenuating ceramic materials |
08/14/1990 | US4949009 Shadow mask mounting system for a color cathode ray tube |
08/14/1990 | US4949008 Color cathode ray tube assembly with magnetic shield |
08/14/1990 | US4948226 Lens alignment apparatus for use in a projection television |
08/08/1990 | EP0381267A1 Method of manufacturing a saddle-shaped deflection coil for a picture display tube |
08/08/1990 | EP0381189A2 Image pick-up tube |
08/08/1990 | CN1009144B Cathode ray tube |
08/08/1990 | CN1009143B Color picture tube with shadow mask |
08/07/1990 | US4947083 Picture display device with interference suppression means |
08/07/1990 | CA1272503A1 In-line type electron gun |
08/02/1990 | DE3902622A1 High-tension connecting plug for a picture tube (cathode ray tube) having a connecting stub for accommodating the high-tension cable |
08/01/1990 | EP0380147A1 Image intensifier tube comprising a chromium-oxide coating |
08/01/1990 | EP0379810A2 Method of displaying grey scales on a matrix display screen |
08/01/1990 | CN1009040B Method for mfg. electron gun electrodes |
08/01/1990 | CN1009037B Method for mfg. x-ray image intensifying tube, and manufactured tube |
07/31/1990 | US4945416 Ultra-rapid electronic camera |
07/31/1990 | US4945286 Microchannel plates formed with deposition using non-reactive gas |
07/31/1990 | US4945284 Electron gun for color-picture tube device |
07/31/1990 | US4945283 Cathode ray tube having a tubular focus structure |
07/31/1990 | US4945282 Tin oxide, metal oxide coating |
07/31/1990 | US4945247 Field emission electron gun system |
07/31/1990 | US4945223 X-ray image intensifier tube with circuit to compensate for the effects fo magnetic distortion |
07/31/1990 | US4944706 Cathode ray tube and method of making the same |
07/31/1990 | CA1272242A1 Cathode-ray tube for projection television including a transparent optical coupler made of solid rubber |
07/25/1990 | EP0379325A2 Light emitting device |
07/25/1990 | EP0378537A1 Projection tv system with concave phosphor surfaces |
07/25/1990 | EP0201609B1 Electron gun of picture display device |
07/25/1990 | CN1044189A Electron gun and method for manufacturing same |
07/25/1990 | CN1044188A Method and apparatus for assuring interchangeability of shadow masks and front panel during manufacture of color cathode ray tulees |
07/24/1990 | US4943862 Cathode-ray tube with multi-layer resin coating on faceplate providing implosion protection |
07/24/1990 | US4943755 Magnetic shielding with constant-current coils for CRT |
07/24/1990 | US4943754 Color picture tube with flat appearing face plate |
07/24/1990 | US4943753 In a cathode ray tube display device |
07/24/1990 | US4943711 Image intensifier tube with input screen having a profile which satisfies a higher degree polynomial |
07/24/1990 | US4943254 Method for the fabrication of an improved X-ray image intensifier tube, and intensifier tube, and intensifier tube obtained thereby |
07/24/1990 | US4943183 Wire clamp |
07/18/1990 | EP0378270A1 Picture display device |
07/18/1990 | EP0378269A1 Picture display tube |
07/18/1990 | EP0378268A1 Picture display device |
07/18/1990 | EP0378267A1 Device for inspecting an interference filter for a projection television display tube |
07/18/1990 | EP0378258A1 Image intensifier tube comprising coated electrodes |
07/18/1990 | EP0378257A1 X-ray image intensifier tube comprising a selective filter |
07/18/1990 | EP0377773A2 Improved head up display arrangement for automotive vehicle or the like |
07/18/1990 | CN1044011A Electron gun for colour picture cathode-ray tube |
07/18/1990 | CN1044010A Stem protecting base for cathode ray tube |
07/17/1990 | US4942335 Blue-luminescing lanthanum-gadolinium-oxybromide, luminescent screen comprising such an oxybromide and cathode ray tube provided with such a screen |
07/17/1990 | US4942334 Electron-gun system |
07/17/1990 | US4942333 Shadow mask with border pattern |
07/17/1990 | US4942332 Tied slit mask for color cathode ray tubes |
07/12/1990 | CA2007407A1 Picture display tube |
07/12/1990 | CA2007354A1 Device for inspecting an interference filter for a projection television display tube |
07/11/1990 | CN1043825A Surface treatment of phosphor particles and method for crt screen |
07/10/1990 | US4940920 Device to shield mask cathode tubes from the earth's magnetic field |
07/10/1990 | US4940919 Support structure for vacuum tube components |
07/10/1990 | US4940917 Color cathode ray tube having an in-line electron gun |
07/10/1990 | US4940916 Electron source with micropoint emissive cathodes and display means by cathodoluminescence excited by field emission using said source |
07/10/1990 | US4940300 Porous coating of zirconium based alloy |
07/10/1990 | CA1271512A1 Spring construction connecting the colour selection electrode of a colour display tube to a supporting frame |
07/05/1990 | DE3943173A1 Electron gun for colour TV cathode ray tube - has three beams produced with short distance between them to improve focussing |
07/05/1990 | DE3900041A1 Arrangement for making contact with a multiplicity of control electrodes and method for producing said arrangement |
07/05/1990 | DE3900037A1 Method and plant for the production of a planar cathode for a flat picture tube |
07/05/1990 | DE3900036A1 Method for fitting a getter in a flat picture tube |
07/04/1990 | CN1043586A Indirectly heated cathode assembly and its associated electron gun structure |
07/03/1990 | USRE33253 Component mounting means for a tension mask color cathode ray tube |
07/03/1990 | US4939415 For a CRT |
07/03/1990 | US4939414 Color cathode ray tube with magnetic field conducting plates within envelope |
07/03/1990 | US4939413 Flat type cathode ray tube |
07/03/1990 | US4939412 Color picture tube having improved shadow mask-frame assembly |
07/03/1990 | US4939000 Carbon slurry regeneration method |
07/03/1990 | US4937931 Method of manufacturing a saddle-shaped deflection coil for a picture display tube |
07/03/1990 | CA1271077A1 Method of producing a black matrix layer |
06/28/1990 | WO1990006969A1 Dispersed systems and method of manufacture |
06/27/1990 | EP0375377A1 Display element |
06/27/1990 | EP0375229A2 Surface treatment of phosphor particles and method for a CRT screen |
06/27/1990 | EP0375064A2 Projection color television display devices with improved white field uniformity |
06/27/1990 | EP0374572A2 Cathode with a control arrangement for a flat-picture tube, and mounting frame for such an arrangement |
06/27/1990 | EP0374571A2 Surface de contact composée d'une suspension de graphite |
06/27/1990 | EP0293470B1 Television image tube with composite front glass |
06/27/1990 | CN1043406A Shadow mask with border pattern |
06/27/1990 | CN1008587B Crt display apparatus |