| Patents for H01J 9 - Apparatus or processes specially adapted for the manufacture of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps (34,795) |
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| 11/23/1989 | EP0342318A1 Automatic sharpness adjustment for picture tubes |
| 11/22/1989 | CN1037429A "no mill" method to reclaim phosphors used in trichromatic television tubes |
| 11/21/1989 | US4881914 Getter arrangement having a getter detector and a post-heating timer |
| 11/21/1989 | CA1263137A1 Electric lamp having a mirror-coated lamp vessel |
| 11/16/1989 | WO1989011158A1 Cataphoretic process for screening color ray tubes |
| 11/16/1989 | WO1989011157A1 Automatically focusing field emission electrode |
| 11/16/1989 | DE3916075A1 Method for burning off cathode ray tubes by means of the anode high-voltage source of a visual display unit |
| 11/15/1989 | EP0341749A2 Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method |
| 11/14/1989 | US4881007 Compact gas discharge tube and a method for its manufacture |
| 11/14/1989 | US4881006 Methods and apparatus for post-assembly custom fine-tuning of an electron beam characteristic in a cathode ray imaging tube |
| 11/02/1989 | WO1989010625A1 Television picture tube |
| 11/02/1989 | WO1989010390A1 Process for recovering unground phosphorus from trichromatic cathode ray tubes |
| 11/02/1989 | WO1989010389A1 Process for recovering phosphorus from colour television tubes |
| 11/02/1989 | EP0340086A1 Process for the recovery of non-comminuted phosphors from trichromic cathode ray tubes |
| 11/02/1989 | EP0149684B1 Electrode structure for display device |
| 11/02/1989 | DE3813524A1 Fernsehbildroehre Fernsehbildroehre |
| 11/01/1989 | CN1005666B High-pressure discharge lamp |
| 10/25/1989 | EP0338911A1 Process for recovering colour television tube phosphors |
| 10/25/1989 | EP0338795A1 Discharge ARC lamp |
| 10/25/1989 | CN1036665A X-ray image tubes and manufacturing method thereof |
| 10/25/1989 | CN1036661A Apparatus of measuring colour picture tube focusing deviation |
| 10/24/1989 | US4876480 Low-cost, self-polished color CRT flat faceplate |
| 10/18/1989 | EP0243399B1 Precision coining method and coined helix assembly |
| 10/17/1989 | US4874981 Automatically focusing field emission electrode |
| 10/11/1989 | EP0335959A1 Device for graphitizing the neck in cones of cathode-ray tubes |
| 10/10/1989 | US4873208 Holder for sealing member |
| 10/10/1989 | US4873120 Antistatic sio2 film |
| 10/10/1989 | US4873052 Method of manufacturing a scandate dispenser cathode and scandate dispenser cathode manufactured according to the method |
| 10/10/1989 | US4872924 Method of producing shadow mask of color cathode ray tube |
| 10/10/1989 | US4872864 Method of making a cathode from tungsten and aluminum powders |
| 10/10/1989 | US4872863 Method of fixing a cathode-ray tube cone and display window prior to sealing and a cathode-ray tube manfactured by such a method |
| 10/05/1989 | WO1989009487A1 A compact fluorescent tube and a method of its manufacture |
| 10/05/1989 | WO1989009484A1 Channel plate for an image intensifier tube, and process for producing a channel plate, and image intensifier tube provided with a channel plate |
| 10/05/1989 | WO1989009481A1 Blackening of non iron-based flat shadow masks |
| 10/05/1989 | WO1989009480A1 Expandable dispenser cathode |
| 10/05/1989 | WO1989009479A1 Process for manufacturing sources of field-emission type electrons, and application for producing emitter networks |
| 10/04/1989 | CN1036103A Method of mfg. color display tube |
| 10/03/1989 | US4871943 Photomultiplier tube having a slidable multiplier element |
| 10/03/1989 | US4871415 Locating, and removal defect |
| 09/27/1989 | EP0334734A1 Electromagnetic image chromatic conversion device, and process for its manufacture |
| 09/27/1989 | CN1035911A Apparatus for appalying graphite to inside surface of funnelshaped cover for kinescope |
| 09/27/1989 | CN1035910A Method for manufacturing cover screen of colour display tube |
| 09/26/1989 | US4869744 Method of manufacturing an electric lamp, and device for performing such a method |
| 09/26/1989 | US4869698 Method of manufacturing a bulb |
| 09/20/1989 | EP0333455A2 Ceramic envelope device for high-pressure discharge lamp, and method for producing the same |
| 09/20/1989 | EP0333277A1 Method of manufacturing a colour display tube |
| 09/13/1989 | EP0332262A1 Method of manufacturing a colour cathode-ray tube and a colour cathode-ray tube |
| 09/13/1989 | CN1035459A Method for automatic gripping of objects, enabling preservation of at least one reference element related to it, and grip to implement said method |
| 09/12/1989 | US4866466 Method of producing a color picture tube screen |
| 09/12/1989 | US4866341 Discharge lamp with base for sealing the lamp |
| 09/12/1989 | US4866334 CRT faceplate front assembly with rigidized tension mask support structure |
| 09/08/1989 | WO1989008321A1 Bulbous tube burner for metal vapour discharge lamps |
| 09/08/1989 | WO1989008025A1 Method of manufacturing gas discharge display device |
| 09/06/1989 | EP0331373A2 Semiconductor electron emitting device |
| 09/06/1989 | EP0331154A1 Tube provided with an enlarged portion for metal vapour discharge lamps |
| 09/06/1989 | EP0331019A2 X-ray image intensifier and method of manufacturing the same |
| 09/06/1989 | CN1035394A Unsaturatede high-pressure sodium lamp |
| 09/05/1989 | US4864187 Cathode for electron tube and manufacturing method thereof |
| 09/05/1989 | US4863410 Method of making a long life high current density cathode from tungsten and iridium powders using a low melting point impregnant |
| 08/30/1989 | EP0330551A1 Automatic article gripper |
| 08/30/1989 | CN1035201A Method for fixing the pin of bayonet lamp cap and the special equipment thereof |
| 08/29/1989 | US4862034 Structure of anode of magnetron and a method of manufacturing the same |
| 08/29/1989 | US4862006 Method of fabrication of an x-ray image intensifier and an x-ray image intensifier thus obtained |
| 08/29/1989 | US4861422 Method of manufacturing shadow mask and apparatus |
| 08/29/1989 | US4861302 Process for flushing and filling a low pressure gas discharge light source |
| 08/23/1989 | EP0329218A1 Method of dividing a sintered oxidic ferromagnetic ring core for a deflection unit for a display tube in two semi-annular parts, a ring core thus divided, and a deflection unit for a display tube comprising a ring core which is divided according to such a method |
| 08/23/1989 | CN2043425U Colour tv wiring mechanism |
| 08/22/1989 | US4859549 Forming colored stripes by exposure of photosensitive film using slit mask |
| 08/22/1989 | US4859251 Carbon monoxide, carbon dioxide, steam mixture; for color television picture tubes |
| 08/22/1989 | US4859239 Tungsten electrode and method of producing same |
| 08/22/1989 | US4859226 Universal lower stem mold for manufacturing a molded glass stem |
| 08/22/1989 | US4858833 Process for recycling fluorescent and television tubes |
| 08/16/1989 | EP0328269A1 Method for preparing a shadow mask for a colour picture tube |
| 08/16/1989 | EP0328209A1 Unsaturated high-pressure sodium lamp |
| 08/15/1989 | US4857798 Fluorescent lamp with silica layer |
| 08/15/1989 | US4857797 Cathode ray tube having a tubular electron gun structure |
| 08/15/1989 | US4857429 Process of improving optical contact of patternwise powdery coating layer and phosphor screen provided therefore |
| 08/15/1989 | US4857428 Improved sensitivity |
| 08/15/1989 | US4857161 Process for the production of a display means by cathodoluminescence excited by field emission |
| 08/15/1989 | US4857027 Method of manufacturing color screen structure for a cathode ray tube |
| 08/09/1989 | EP0327074A2 Cathode for a cathode ray tube |
| 08/09/1989 | EP0327049A1 Method of vacuum-tight sealing a ceramic tube |
| 08/09/1989 | CN1034634A Color cathode ray tube and its manufacturing method |
| 08/09/1989 | CN1004983B Manufacturing method of indirectly heated cathode |
| 08/08/1989 | US4855640 Cathode ray tube with metal rear housing and faceplate support |
| 08/08/1989 | US4855639 Method of manufacturing an electron gun |
| 08/08/1989 | US4855636 Micromachined cold cathode vacuum tube device and method of making |
| 08/08/1989 | US4855589 Panel type radiation image intensifier |
| 08/08/1989 | US4855200 Applying light absorbing material in pattern on photosensitive resin layer made sticky by light exposure |
| 08/08/1989 | US4854906 Controlled heating and cooling give magnetic shielding, strength to cathode ray tube |
| 08/08/1989 | US4854905 Method of fixing a color screening structure for a color picture tube |
| 08/02/1989 | EP0326440A1 Machines for inserting a cathode in a CRT gun |
| 08/02/1989 | EP0326178A2 Method of making a photosensor |
| 08/02/1989 | CN1034345A Apparatus for automatically loarding dish like product |
| 08/01/1989 | US4853589 Electron beam device having an electron gun and a method of making the electron gun |
| 08/01/1989 | US4853586 Vacuum tube including an electron-optical system |
| 08/01/1989 | US4853584 Cathode-grid support structure for CRT electron gun |
| 08/01/1989 | US4853514 Beam apparatus and method |
| 08/01/1989 | US4853020 Method of making a channel type electron multiplier |
| 08/01/1989 | CA1258088A1 Apparatus for measuring the position of a light source disposed inside a lighthouse |