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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10/06/1981 | US4293790 Image converter having cylindrical housing and photocathode separated by spacing element from luminescent screen on frustrum |
10/06/1981 | US4293586 Method for forming a fluorescent screen |
10/06/1981 | CA1110365A1 System and method for keying video information to electron beam deflection |
10/06/1981 | CA1110364A1 Television cathode ray tube having a voltage divider providing temperature-invariant voltage and associated method |
10/06/1981 | CA1110321A1 Method of manufacturing cathode assembly |
10/06/1981 | CA1110054A1 Cerium activated phosphor and method of making same |
09/30/1981 | EP0036779A2 Photoelectric conversion device and method of producing the same |
09/30/1981 | EP0036681A1 Method of manufacturing a colour television display tube having a gas-absorbing layer; colour television display tube thus manufactured, and gettering device suitable for such a method |
09/29/1981 | US4292565 Shadow mask assembly for a cathode ray tube |
09/29/1981 | CA1109919A1 Image pickup apparatus |
09/23/1981 | EP0036340A1 Particle or luminous radiation impact localisation device and cathode ray oscilloscope comprising such a device |
09/22/1981 | US4291253 Grid structure for color picture tube |
09/22/1981 | US4291251 Color display tube |
09/22/1981 | CA1109566A1 Structure and method for terminating an electrical resistor for a television crt |
09/22/1981 | CA1109565A1 Arc suppression and static elimination system for a television crt |
09/16/1981 | EP0035917A2 A photosensitive composition, an article comprising the composition and the use of the composition as a photoresist |
09/15/1981 | US4290038 Scanning-area rotation device for an image pickup tube |
09/15/1981 | US4289800 Method for providing an electrically conductive bridge in cathode ray tubes |
09/15/1981 | CA1109114A1 Cathode-ray tube |
09/15/1981 | CA1109113A1 Colour television display tube |
09/08/1981 | US4288720 Method of erasing information in a scan converter storage tube |
09/08/1981 | US4288719 CRT With means for suppressing arcing therein |
09/08/1981 | US4288718 Means and method for beam spot distortion compensation in TV picture tubes |
09/08/1981 | US4288250 Glass filter for contrast enhancement in CRT displays |
09/08/1981 | CA1108751A1 Television raster width regulation circuit |
09/08/1981 | CA1108683A1 Electron gun exhibiting reduced flare |
09/01/1981 | US4287450 Electric circuit arrangements incorporating cathode ray tubes |
09/01/1981 | US4287257 Phosphors for color televisions |
09/01/1981 | US4287230 By vapor deposition of cesium iodide doped with sodium and an oxide which inhibits crystal growth and maintains a needle-like structure |
09/01/1981 | US4287229 Method for surface treatment of phosphor particles |
08/26/1981 | EP0034302A2 Colour picture tube without shadow-mask and with only one electron gun |
08/25/1981 | US4286189 Color cathode ray tube with shadow mask having inwardly bent skirt portions |
08/25/1981 | US4286148 Image intensifier tube with photocathode protective circuit |
08/25/1981 | US4286034 Metal, polyimide film and cadmium selenide |
08/25/1981 | US4285990 Vacuum and vapor deposition of chromium in a cathode ray tube to minimize current leakage |
08/19/1981 | EP0034059A1 Cathode ray tube, a copper and aluminum activated zinc sulfide phosphor, a process for preparing said phosphor, and a color television incorporating said cathode ray tube |
08/18/1981 | US4285013 Mounting assembly for a deflection yoke |
08/18/1981 | US4284694 Method for improving the adherence of a phosphor-photobinder layer to a glass support |
08/18/1981 | US4284662 Method of manufacturing color picture tubes |
08/18/1981 | US4284661 Applying dielectric to prevent luminescence |
08/18/1981 | CA1107341A1 Astigmatic election lens, cathode-ray tube having such a lens, and device having such a cathode-ray tube |
08/12/1981 | EP0033574A1 Electrical power supply arrangement for image intensifier tubes and combination thereof with an image intensifier tube |
08/12/1981 | EP0033438A1 Beam adjusting device for a colour picture tube |
08/11/1981 | US4283743 Yoke mounting assembly for a video camera |
08/11/1981 | US4283655 Cathode ray tube with multiple internal graticules |
08/11/1981 | US4283654 Modular tube shadow mask support system |
08/11/1981 | CA1106897A1 Phosphor screen for modular flat panel display device |
07/29/1981 | EP0032847A2 Photoelectric conversion element and an image pick-up device |
07/28/1981 | US4281270 Precoated resistive lens structure for electron gun and method of fabrication |
07/28/1981 | US4280931 Method and composition for electrically resistive material for television cathode ray tubes |
07/21/1981 | US4280134 Beam index color television receiver apparatus |
07/21/1981 | US4280125 Thin vacuum panel display device |
07/21/1981 | US4280080 Deflection-coil system for color picture tubes |
07/21/1981 | US4280077 Cathode-ray tube having corrugated shadow mask with varying waveform |
07/21/1981 | CA1105544A1 Optical screens |
07/21/1981 | CA1105543A1 Deflection yoke for use with wide angle deflection system |
07/21/1981 | CA1105542A1 Box-shaped scan expansion lens for cathode ray tube |
07/21/1981 | CA1105541A1 Convergence device for projection type color television system |
07/14/1981 | US4278913 Metal fluoride-zinc oxide, yellow |
07/14/1981 | US4278912 Electric discharge tube having a glass-sealed electric leadthrough and method of manufacturing such an electric leadthrough |
07/08/1981 | EP0031679A1 Vidicon type camera tube |
07/08/1981 | EP0031663A2 Photoelectric device |
07/07/1981 | US4277767 Deflection yoke |
07/07/1981 | US4277722 Cathode ray tube having low voltage focus and dynamic correction |
07/07/1981 | US4277515 Targets for use in photoconductive image pickup tubes |
07/07/1981 | CA1104632A1 Cathode-ray tube |
07/07/1981 | CA1104631A1 Multilayered deflection yoke |
07/07/1981 | CA1104630A1 Hybrid deflection yoke with quadripolar correction coils |
07/07/1981 | CA1104629A1 Interlocking electron tube base and adapter |
07/01/1981 | EP0031124A1 Process to improve the processibility of phosphors in screening processes |
07/01/1981 | EP0031095A2 Process for producing a double layer with hetero-junction for the memory electrode of an image registration device |
06/30/1981 | US4276495 Electron gun for cathode-ray tube |
06/30/1981 | US4276494 Cathode ray tube with transversely supported electrode and conductive wall coating |
06/30/1981 | US4276363 Process for forming phosphor screens with treated phosphors |
06/30/1981 | US4276335 Electron beam matrix deflector and method of fabrication |
06/30/1981 | CA1103914A1 Light emitting substances for screens or tubes |
06/24/1981 | EP0030704A2 Magnetizing device for the convergence assembly of in-line colour picture tubes |
06/24/1981 | EP0030613A1 Multiple beam cathode ray tube having improved cathode-grid structure |
06/23/1981 | US4275355 Direct view storage tube having improved readout performance |
06/23/1981 | US4275333 Fluorescent compositions and low-velocity electron excited fluorescent display devices utilizing the same |
06/23/1981 | US4275332 In-line electron gun |
06/23/1981 | US4275326 Image intensifier tube with a light-absorbing electron-permeable layer |
06/17/1981 | EP0030270A1 Multiple beam cathode ray tube having reduced off-axis aberrations |
06/16/1981 | US4274110 Projection television system |
06/16/1981 | US4274031 Color tube having shield correcting for terrestrial magnetism |
06/16/1981 | US4273842 Process for forming patternwise coated powder layer |
06/16/1981 | CA1103299A1 Color cathode ray tube with beam indexing stripes |
06/16/1981 | CA1103012A1 Radiation-conversion screens |
06/10/1981 | EP0029963A1 Phosphor and radiation image storage panel utilizing the same |
06/09/1981 | US4272727 Self-converging deflection units for color display tubes of different screen formats |
06/09/1981 | US4272701 Cathode ray tube arc limiting coating |
06/09/1981 | US4272700 One piece astigmatic grid for color picture tube electron gun and method of making same |
06/09/1981 | US4272397 Method of preparing flake-like ceramic particle of zinc sulfide phosphor |
06/02/1981 | US4271377 System for compensating for cathode variations in display devices utilizing line cathodes |
06/02/1981 | US4271374 Electron gun for cathode-ray tube |
06/02/1981 | US4271373 Cathode ray tube with inclined electrostatic field lens |
06/02/1981 | US4271345 Induction heating coil |
06/02/1981 | US4271247 Color picture tube with screen having light absorbing areas |
06/02/1981 | CA1102404A1 Method of determining variations in the previously adjusted nominal distance between the facing surfaces of a colour selection electrode and a display window of a colour television display tube, and device for carrying out the method |
05/26/1981 | US4269918 Photodegradation of a thin layer of a photosensitive aromatic diazonium salt causing tackiness; dusting; fixing; cathode ray tubes |