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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08/03/1993 | US5233432 Cathode-ray tube having implosion protection means with a structure and method to facilitate attachment of tube mounting means |
08/03/1993 | US5233267 Dynamic convergence system for color cathode ray tubes having an in line electron gun |
08/03/1993 | US5233266 Color picture tube having improved shadow mask-frame assembly support |
08/03/1993 | US5233265 Photoconductive imaging apparatus |
08/03/1993 | US5231799 Creating a constant mask support surface height on a mask supporting rail |
08/03/1993 | CA1320991C Method of contacting semiconductor cathodes and of manufacturing an electron tube provided with such a cathode |
07/28/1993 | EP0552800A1 Thin metallic sheet for shadow mask |
07/28/1993 | EP0552796A1 Conductive film and low reflection conductive film and processes for their production |
07/28/1993 | CN1021715C Method of forming thin film on outer surface of display screen of cathode ray tube |
07/28/1993 | CN1021714C Winding method for non-radial winding of deflector |
07/27/1993 | US5231387 Apparatus and method for addressing microtip fluorescent screen |
07/27/1993 | US5231332 AC electric field emission suppression in CRT image displays |
07/21/1993 | CN1021676C Colour picture tube device |
07/20/1993 | US5229691 Electronic fluorescent display |
07/20/1993 | US5229689 Electrostatic shield for nearfield alternating electrical field emission reduction in a CRT display |
07/20/1993 | US5229684 Video display device with planar front surface |
07/20/1993 | US5229233 Apparatus and method for fusing polymer powder onto a faceplate panel of a cathode-ray tube |
07/20/1993 | CA2027521C Projection cathode ray tube having an interference filter |
07/20/1993 | CA2027242C Projection television apparatus for reducing red-emphasized peripheral screen portions |
07/20/1993 | CA2016379C Three tube color projection system having at least one tube without an interference filter |
07/20/1993 | CA1320531C Crt focus utilising magnetic means |
07/14/1993 | EP0551027A1 Magnetic focusing device |
07/14/1993 | EP0551026A1 Focusing device with two dynamic windings for energy recovery |
07/13/1993 | US5227916 Adjustable mounting mechanism for an optical filter screen |
07/13/1993 | US5227753 Electron beam adjusting device |
07/13/1993 | US5227752 Polyphenylene oxide heat insultor between magnet and coil |
07/13/1993 | US5227692 Magnet assembly for correcting CRT misconvergence |
07/13/1993 | US5227691 Flat tube display apparatus |
07/08/1993 | WO1993013539A1 Magnetic shield with cathode ray tube standoff for a computer monitor |
07/08/1993 | WO1993013514A1 Color fluorescent backlight for liquid crystal display |
07/07/1993 | EP0550318A1 CRT display assembly and optical device |
07/07/1993 | EP0550103A1 Flat-panel type picture display device with electron transport ducts and a double selection structure |
07/07/1993 | CN2137820Y 组合式灯丝 Combined filament |
07/07/1993 | CN1074063A Electrode structure of electronic gun in colour kinescope |
07/07/1993 | CN1074062A In-line type electron gun assembly including electrode units having electron beam passage holes of different sized for forming an electrostatic lens |
07/06/1993 | US5225820 Microtip trichromatic fluorescent screen |
07/06/1993 | US5225737 Deflecting yoke for cathode ray tube |
07/06/1993 | US5225736 Color cathode ray tube apparatus |
07/06/1993 | US5225730 Projection cathode ray tube |
07/01/1993 | DE4244426A1 Cathode heater for colour CRT - has three coil heating elements mounted on glass block having conductor path on surface |
07/01/1993 | DE4243970A1 CRT with ring of magnetic material - positioned between cathode and shielding electrode to impose radial field on electron beam |
07/01/1993 | DE4242785A1 In=line electron gun for colour cathode ray tube - focusses electron beams by passing through apertures in double electrode assembly |
06/30/1993 | EP0549327A2 Cathode-ray tube phosphor and method of manufacturing the same |
06/30/1993 | EP0549201A1 Photocathode for image intensifier tube |
06/30/1993 | EP0548358A1 Cathode ray tube and method of manufacturing a cathode ray tube. |
06/30/1993 | CN1073803A Apparatus for sorting and feeding bead supporters for an electron gun of a cathode-ray tube |
06/29/1993 | US5223769 Scan velocity modulation apparatus |
06/29/1993 | US5223766 Image display device with cathode panel and gas absorbing getters |
06/29/1993 | US5223765 Device for the display or projection of images or similar information with coating of adamantane carbon |
06/29/1993 | US5223764 Electron gun with low voltage limiting aperture main lens |
06/29/1993 | CA1319589C Method of producing fe-ni series alloys having improved effect for restraining streaks during etching |
06/24/1993 | WO1993012532A1 Electron gun with low voltage limiting aperture main lens |
06/24/1993 | WO1993012531A1 Low voltage limiting aperture electron gun |
06/23/1993 | EP0547856A1 Field compensation for cathode ray tube monitor |
06/23/1993 | EP0547678A1 Cathode ray tube comprising a deflection system |
06/23/1993 | CN1073549A Cathode ray tube and method of making the same |
06/22/1993 | US5221875 High resolution cathode-ray tube with high bandwidth capability |
06/22/1993 | CA1319390C Microtip fluorescent screen with a reduced number of addressing circuits and process for addressing said screen |
06/22/1993 | CA1319389C Microdot trichromatic fluorescent screen |
06/16/1993 | EP0547046A2 Display element |
06/16/1993 | CN1073297A Deflection yoke mounting apparatus for a color pic ture tube |
06/16/1993 | CN1073296A Generation of conducting film |
06/16/1993 | CN1073295A Filming liquid composite for colour CRT |
06/16/1993 | CN1073294A Shadow mask manufacture method |
06/16/1993 | CN1021265C Shadow mask colour cathode ray tube |
06/16/1993 | CN1021264C In-line electron gun |
06/16/1993 | CN1021263C Colour display tube and display device comprising such colour display tube |
06/15/1993 | US5220242 Cathode-ray tube with a coil-shaped high resistance body |
06/15/1993 | US5220241 Deflection yoke having horizontal auxiliary coils for reducing unnecessary radiant magnetic field |
06/15/1993 | US5220239 High density electron beam generated by low voltage limiting aperture gun |
06/15/1993 | US5220238 Cathode structure for an electron tube and method of constructing it |
06/15/1993 | US5219606 Method of manufacturing phosphor screen for intensifier |
06/10/1993 | WO1993011542A1 Shielding device |
06/09/1993 | EP0544921A1 Pigmented blue-emitting phosphor and color cathode ray tube |
06/09/1993 | DE4241159A1 Deflection yoke for CRT - has stray magnetic field blocking element provided by two coils wound in opposing directions providing compensation flux in opposite direction to stray flux |
06/09/1993 | DE4240765A1 Electron gun for colour television tube - has series focussing electrodes with two opposing wide aperture electrodes and two narrow aperture electrodes |
06/09/1993 | DE4238959A1 Shadow mask for colour CRT with contact bolts on inner side of front plate - has angled slots and corresponding studs providing connection between shadow mask frame and edge spring |
06/09/1993 | CN1073043A Stray emission preventiong circuit for cathode ray tube |
06/09/1993 | CN1073042A Electron gun for color picture tube |
06/09/1993 | CN1073041A CRT emitting far-infrared ray |
06/09/1993 | CN1073037A Non-linear inductor with magnetic field reduction |
06/09/1993 | CN1021173C CRT socket |
06/09/1993 | CN1021172C CRT indicator |
06/09/1993 | CN1021171C Method for metallization of luminscent screen |
06/08/1993 | US5218443 Television camera tube with spurious image black-out screen |
06/08/1993 | US5218275 Beam landing location error correction arrangement |
06/08/1993 | US5218270 Method and a coupling for decreasing the detrimental radiation caused by a cathode-ray tube |
06/08/1993 | US5218268 Optical filter for cathode ray tube |
06/08/1993 | US5218267 Color picture tube with shadow mask-frame assembly |
06/08/1993 | US5218266 Color picture tube having residue electron removing assembly |
06/08/1993 | US5218265 Combined mask-frame with double spot welds |
06/08/1993 | US5218264 For converting photosignals into electrode signals |
06/08/1993 | US5217647 Baking lanthanum oxide and sulfiding agent, seeding; narrow particle size distribution |
06/02/1993 | EP0544351A1 Display tube having a detachable getter |
06/02/1993 | EP0491963A4 Projector |
06/01/1993 | US5216513 Cathode-ray tube having a shrinkfit implosion protection band with faceplate panel compensating means |
06/01/1993 | US5216334 Display bias arrangement |
06/01/1993 | US5216326 Injection molded printed circuit degauss coil |
06/01/1993 | US5216321 Shadow-mask type color cathode-ray tube |
06/01/1993 | US5215944 Radiation absorbing material consisting of silicon oxide, aluminum oxide, potassium oxide, sodium oxide, barium oxide, strontium oxide and cerium oxide; efficiency, electrical resistance, discoloration inhibition |