Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
12/1989
12/05/1989CA1263744A1 North-south pincushion corrected deflection circuit
12/05/1989CA1263687A1 Crt with internal magnetic shield contact spring
11/1989
11/28/1989US4884011 Light-detecting device
11/28/1989US4884006 Inner surface specular reflection suppression in flat CRT faceplate
11/28/1989US4884005 Color picture tube with support means for suspending the mask
11/28/1989US4884004 Color cathode-ray tube having a heat dissipative, electron reflective coating on a color selection electrode
11/28/1989US4883562 Method of making a photosensor
11/28/1989CA1263432A1 Multibeam electron gun having electrodes supported by a formed transition member
11/28/1989CA1263431A1 Multibeam electron gun having electrodes supported by a formed transition
11/28/1989CA1263430A1 Multibeam electron gun having electrodes supported by a formed transition member
11/23/1989EP0342761A1 Display tube including a helical focusing lens with a non-rotationally symmetrical lens element
11/22/1989CN1037429A "no mill" method to reclaim phosphors used in trichromatic television tubes
11/21/1989US4882521 Deflection yoke for a color cathode ray tube
11/21/1989US4882516 Cathode ray tube with internal double-wall magnetic shield
11/21/1989US4882481 Automatic brightness control for image intensifiers
11/21/1989US4882214 Surface pits
11/15/1989EP0341337A1 Static convergence assembly
11/15/1989CN1037234A Colour display tube device
11/14/1989US4881016 Active shadow mask color CRT
11/14/1989US4881015 Color cathode-ray apparatus having an improved deflection unit
11/14/1989US4881006 Methods and apparatus for post-assembly custom fine-tuning of an electron beam characteristic in a cathode ray imaging tube
11/14/1989US4881004 Color cathode ray tube
11/14/1989US4880965 X-ray image intensifier having variable-size fluorescent crystals
11/08/1989EP0340924A2 Method of forming a screen
11/07/1989US4879496 Display tube
11/07/1989US4879451 Laser cut video display terminal filter screen
11/02/1989WO1989010627A1 High yield pan-shaped getter device
11/02/1989WO1989010625A1 Television picture tube
11/02/1989WO1989010390A1 Process for recovering unground phosphorus from trichromatic cathode ray tubes
11/02/1989WO1989010389A1 Process for recovering phosphorus from colour television tubes
11/02/1989EP0340086A1 Process for the recovery of non-comminuted phosphors from trichromic cathode ray tubes
11/02/1989EP0339913A2 Process for imparting stir-in capabilities to a silver activated zinc sulfide phosphor
11/02/1989EP0149684B1 Electrode structure for display device
11/02/1989DE3813524A1 Fernsehbildroehre Fernsehbildroehre
11/01/1989CN1036863A Electronic gun for colour display tube apparatus
10/1989
10/31/1989US4877998 Color display system having an electron gun with dual electrode modulation
10/31/1989US4877993 Inline type color picture tube having coma distortion correcting mechanism
10/31/1989US4877308 Light shielding screen structure and a process for producing the same
10/31/1989CA1262578A1 Semiconductor device for generating an electron beam
10/25/1989EP0338911A1 Process for recovering colour television tube phosphors
10/25/1989EP0338903A1 Pick-up tube provided with a ghost image suppressing shield
10/25/1989EP0338630A1 Image intensifier tube
10/25/1989EP0338570A2 Improvement in an electron gun assembly for a color cathode ray tube
10/25/1989EP0338031A1 System for connecting a cathode tube and a printed circuit
10/25/1989CN1036665A X-ray image tubes and manufacturing method thereof
10/25/1989CN1036664A Colour picture tube having improved shadow mask-frame assembly
10/25/1989CN1036663A 阴极射线管 A cathode ray tube
10/25/1989CN1036662A Color display tube device
10/24/1989US4876479 Deflection yoke for a color cathode ray tube
10/24/1989US4876478 Cathode ray tube apparatus with improved deflection unit
10/24/1989US4876477 Color television display tube
10/24/1989CA1262472A1 Color picture tube having a shadow mask supported by studs and hold members
10/18/1989CN1036478A Multipurpose energy-saving unit for prolongating service life
10/17/1989US4874987 Modular X-ray image intensifier tube
10/17/1989US4874985 Zinc-cadmium sulfide
10/17/1989US4874983 Picture display system including a deflection unit with a double saddle coil system
10/17/1989US4874982 Display device with adjustable deflection unit
10/12/1989DE3811347A1 Cathode ray tube
10/11/1989EP0336541A1 Reference and support system for flat crt tension mask
10/11/1989EP0217815B1 Image reproduction arrangement
10/11/1989CN2045894U Improving multi-filament kinescope
10/11/1989CN1005446B Circuit board mounting arrangement
10/10/1989US4873472 Flat cathode ray tube display apparatus
10/10/1989US4873120 Antistatic sio2 film
10/10/1989US4872863 Method of fixing a cathode-ray tube cone and display window prior to sealing and a cathode-ray tube manfactured by such a method
10/10/1989US4872749 Lens for video terminal screen
10/05/1989WO1989009481A1 Blackening of non iron-based flat shadow masks
10/04/1989EP0335780A1 Coil, manufacturing method for said coil and imagery device having such a coil
10/04/1989EP0335680A2 A cathode ray tube
10/04/1989EP0335606A2 Color picture tube having improved shadow mask-frame assembly
10/04/1989EP0335245A2 A method of degaussing color cathode ray tube
10/04/1989CN1036104A Colour display tube
10/04/1989CN1036103A Method of mfg. color display tube
10/03/1989US4871949 Cathode ray tube
10/03/1989US4871940 Color display tube with field controller
10/03/1989US4871471 Barium fluoride; phosphorescence, emission efficiency, and color purity
09/1989
09/27/1989EP0334734A1 Electromagnetic image chromatic conversion device, and process for its manufacture
09/27/1989EP0334438A2 Flat cathode ray tube display apparatus
09/27/1989EP0334197A2 Electron gun assembly for color cathode ray tube apparatus
09/27/1989CN1035913A Crt with improved arc suppressing means
09/27/1989CN1035912A Multiprogram tv receiver kinescope
09/27/1989CN1035911A Apparatus for appalying graphite to inside surface of funnelshaped cover for kinescope
09/26/1989US4870484 Color display device using light shutter and color filters
09/26/1989US4870473 X-ray image intensifier having a support ring that prevents implosion
09/26/1989US4870330 Cathode-ray tube with deflection system
09/26/1989US4870328 Color display system
09/26/1989US4870321 Color cathode ray tube
09/26/1989US4870320 Color picture tube having an electron gun with reduced convergence drift
09/26/1989US4870265 Position-sensitive radiation detector
09/26/1989CA1261911A1 Display unit by cathodoluminescence excited by field emission
09/26/1989CA1261386A1 Colour cathode ray tube having smooth screen edges
09/26/1989CA1260526A1 Electron gun having the largest portion of a first anode rigidly supported by an insulating support member
09/26/1989CA1260053A1 In-line colour display tube carrying a deflection unit which presents left-right sided raster correction
09/21/1989DE3808133A1 High-voltage connection for a flat image rendition device (picture reproduction device)
09/20/1989EP0333488A1 Electron gun for color-picture tube
09/20/1989EP0333421A2 Cathode ray tubes
09/20/1989EP0333277A1 Method of manufacturing a colour display tube
09/19/1989US4868455 Electron beam device with an electron gun having a tubular insulating electrode support
09/19/1989US4868454 Color cathode ray tube with electron gun providing reduced convergence drift
09/19/1989US4868453 Color display tube having a multi-part suspension means for a color selection electrode and method of manufacturing same
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