Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
08/1993
08/03/1993US5233432 Cathode-ray tube having implosion protection means with a structure and method to facilitate attachment of tube mounting means
08/03/1993US5233267 Dynamic convergence system for color cathode ray tubes having an in line electron gun
08/03/1993US5233266 Color picture tube having improved shadow mask-frame assembly support
08/03/1993US5233265 Photoconductive imaging apparatus
08/03/1993US5231799 Creating a constant mask support surface height on a mask supporting rail
08/03/1993CA1320991C Method of contacting semiconductor cathodes and of manufacturing an electron tube provided with such a cathode
07/1993
07/28/1993EP0552800A1 Thin metallic sheet for shadow mask
07/28/1993EP0552796A1 Conductive film and low reflection conductive film and processes for their production
07/28/1993CN1021715C Method of forming thin film on outer surface of display screen of cathode ray tube
07/28/1993CN1021714C Winding method for non-radial winding of deflector
07/27/1993US5231387 Apparatus and method for addressing microtip fluorescent screen
07/27/1993US5231332 AC electric field emission suppression in CRT image displays
07/21/1993CN1021676C Colour picture tube device
07/20/1993US5229691 Electronic fluorescent display
07/20/1993US5229689 Electrostatic shield for nearfield alternating electrical field emission reduction in a CRT display
07/20/1993US5229684 Video display device with planar front surface
07/20/1993US5229233 Apparatus and method for fusing polymer powder onto a faceplate panel of a cathode-ray tube
07/20/1993CA2027521C Projection cathode ray tube having an interference filter
07/20/1993CA2027242C Projection television apparatus for reducing red-emphasized peripheral screen portions
07/20/1993CA2016379C Three tube color projection system having at least one tube without an interference filter
07/20/1993CA1320531C Crt focus utilising magnetic means
07/14/1993EP0551027A1 Magnetic focusing device
07/14/1993EP0551026A1 Focusing device with two dynamic windings for energy recovery
07/13/1993US5227916 Adjustable mounting mechanism for an optical filter screen
07/13/1993US5227753 Electron beam adjusting device
07/13/1993US5227752 Polyphenylene oxide heat insultor between magnet and coil
07/13/1993US5227692 Magnet assembly for correcting CRT misconvergence
07/13/1993US5227691 Flat tube display apparatus
07/08/1993WO1993013539A1 Magnetic shield with cathode ray tube standoff for a computer monitor
07/08/1993WO1993013514A1 Color fluorescent backlight for liquid crystal display
07/07/1993EP0550318A1 CRT display assembly and optical device
07/07/1993EP0550103A1 Flat-panel type picture display device with electron transport ducts and a double selection structure
07/07/1993CN2137820Y 组合式灯丝 Combined filament
07/07/1993CN1074063A Electrode structure of electronic gun in colour kinescope
07/07/1993CN1074062A In-line type electron gun assembly including electrode units having electron beam passage holes of different sized for forming an electrostatic lens
07/06/1993US5225820 Microtip trichromatic fluorescent screen
07/06/1993US5225737 Deflecting yoke for cathode ray tube
07/06/1993US5225736 Color cathode ray tube apparatus
07/06/1993US5225730 Projection cathode ray tube
07/01/1993DE4244426A1 Cathode heater for colour CRT - has three coil heating elements mounted on glass block having conductor path on surface
07/01/1993DE4243970A1 CRT with ring of magnetic material - positioned between cathode and shielding electrode to impose radial field on electron beam
07/01/1993DE4242785A1 In=line electron gun for colour cathode ray tube - focusses electron beams by passing through apertures in double electrode assembly
06/1993
06/30/1993EP0549327A2 Cathode-ray tube phosphor and method of manufacturing the same
06/30/1993EP0549201A1 Photocathode for image intensifier tube
06/30/1993EP0548358A1 Cathode ray tube and method of manufacturing a cathode ray tube.
06/30/1993CN1073803A Apparatus for sorting and feeding bead supporters for an electron gun of a cathode-ray tube
06/29/1993US5223769 Scan velocity modulation apparatus
06/29/1993US5223766 Image display device with cathode panel and gas absorbing getters
06/29/1993US5223765 Device for the display or projection of images or similar information with coating of adamantane carbon
06/29/1993US5223764 Electron gun with low voltage limiting aperture main lens
06/29/1993CA1319589C Method of producing fe-ni series alloys having improved effect for restraining streaks during etching
06/24/1993WO1993012532A1 Electron gun with low voltage limiting aperture main lens
06/24/1993WO1993012531A1 Low voltage limiting aperture electron gun
06/23/1993EP0547856A1 Field compensation for cathode ray tube monitor
06/23/1993EP0547678A1 Cathode ray tube comprising a deflection system
06/23/1993CN1073549A Cathode ray tube and method of making the same
06/22/1993US5221875 High resolution cathode-ray tube with high bandwidth capability
06/22/1993CA1319390C Microtip fluorescent screen with a reduced number of addressing circuits and process for addressing said screen
06/22/1993CA1319389C Microdot trichromatic fluorescent screen
06/16/1993EP0547046A2 Display element
06/16/1993CN1073297A Deflection yoke mounting apparatus for a color pic ture tube
06/16/1993CN1073296A Generation of conducting film
06/16/1993CN1073295A Filming liquid composite for colour CRT
06/16/1993CN1073294A Shadow mask manufacture method
06/16/1993CN1021265C Shadow mask colour cathode ray tube
06/16/1993CN1021264C In-line electron gun
06/16/1993CN1021263C Colour display tube and display device comprising such colour display tube
06/15/1993US5220242 Cathode-ray tube with a coil-shaped high resistance body
06/15/1993US5220241 Deflection yoke having horizontal auxiliary coils for reducing unnecessary radiant magnetic field
06/15/1993US5220239 High density electron beam generated by low voltage limiting aperture gun
06/15/1993US5220238 Cathode structure for an electron tube and method of constructing it
06/15/1993US5219606 Method of manufacturing phosphor screen for intensifier
06/10/1993WO1993011542A1 Shielding device
06/09/1993EP0544921A1 Pigmented blue-emitting phosphor and color cathode ray tube
06/09/1993DE4241159A1 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
06/09/1993DE4240765A1 Electron gun for colour television tube - has series focussing electrodes with two opposing wide aperture electrodes and two narrow aperture electrodes
06/09/1993DE4238959A1 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
06/09/1993CN1073043A Stray emission preventiong circuit for cathode ray tube
06/09/1993CN1073042A Electron gun for color picture tube
06/09/1993CN1073041A CRT emitting far-infrared ray
06/09/1993CN1073037A Non-linear inductor with magnetic field reduction
06/09/1993CN1021173C CRT socket
06/09/1993CN1021172C CRT indicator
06/09/1993CN1021171C Method for metallization of luminscent screen
06/08/1993US5218443 Television camera tube with spurious image black-out screen
06/08/1993US5218275 Beam landing location error correction arrangement
06/08/1993US5218270 Method and a coupling for decreasing the detrimental radiation caused by a cathode-ray tube
06/08/1993US5218268 Optical filter for cathode ray tube
06/08/1993US5218267 Color picture tube with shadow mask-frame assembly
06/08/1993US5218266 Color picture tube having residue electron removing assembly
06/08/1993US5218265 Combined mask-frame with double spot welds
06/08/1993US5218264 For converting photosignals into electrode signals
06/08/1993US5217647 Baking lanthanum oxide and sulfiding agent, seeding; narrow particle size distribution
06/02/1993EP0544351A1 Display tube having a detachable getter
06/02/1993EP0491963A4 Projector
06/01/1993US5216513 Cathode-ray tube having a shrinkfit implosion protection band with faceplate panel compensating means
06/01/1993US5216334 Display bias arrangement
06/01/1993US5216326 Injection molded printed circuit degauss coil
06/01/1993US5216321 Shadow-mask type color cathode-ray tube
06/01/1993US5215944 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