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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09/14/1976 | US3980919 Rectangular beam laminar flow electron gun |
09/14/1976 | US3980918 Electron gun assembly for color picture tube |
09/14/1976 | US3980917 Photo-electrode structure |
09/14/1976 | US3980888 Self-supporting luminescent screens |
09/14/1976 | US3979806 Means for positioning an effusive structure in a cathode ray tube |
09/07/1976 | US3979636 Charged particle beam scanning device |
09/07/1976 | US3979635 Charged particle beam scanning device |
09/07/1976 | US3979633 Directional getter attached to multi-apertured member |
09/07/1976 | US3979632 Cathode ray tube having surface charge inhibiting means therein |
09/07/1976 | US3979631 Cathode ray tube with electrostatic multipole focusing lens |
09/07/1976 | US3979630 Shadow mask color picture tube having non-reflective material between elongated phosphor areas and positive tolerance |
09/07/1976 | US3979629 Semiconductor with surface insulator having immobile charges |
09/07/1976 | US3979166 Getter device |
09/07/1976 | US3979157 Electron tube base |
09/07/1976 | US3978562 Method of manufacturing a color cathode ray tube |
08/31/1976 | US3978512 Semiconductor device for converting a radiation pattern into electric signals |
08/31/1976 | US3978367 Cathode ray tube second electrode having rectangular projecting ridge |
08/31/1976 | US3978366 Cathode ray storage tube having a target dielectric provided with collector electrode segments extending therethrough |
08/31/1976 | US3978365 Television camera tube |
08/24/1976 | US3977022 Cathode-ray tube image presentation system of the indexing type and timing system useful therewith |
08/24/1976 | US3976874 Image tube incorporating a brightness-dependent power supply |
08/17/1976 | US3975198 Method and apparatus for manufacturing a color cathode ray tube using interchangeable shadow masks |
08/10/1976 | US3974421 Television deflection coil |
08/10/1976 | US3974416 Multiple electrode support members with low coefficient of expansion |
08/10/1976 | US3974415 Light-sensitive target |
08/10/1976 | US3974414 Cathode ray tube cathode |
08/10/1976 | US3973965 Color cathode ray tubes |
08/10/1976 | US3973964 Interchangeable face plates and shadow masks |
08/10/1976 | US3973816 Method of gettering a television display tube |
08/03/1976 | US3973270 Charge storage target and method of manufacture |
08/03/1976 | US3973231 Position adjusting device for image pickup tube coil assembly |
08/03/1976 | US3973163 Heater support positioning in a CRT electron generating assembly |
08/03/1976 | US3973162 Cathode support means for a CRT electron generating assembly |
08/03/1976 | US3973161 Plural gun cathode-ray tube with oval control electrodes |
08/03/1976 | US3973160 Color screen with space between luminescent regions pervious to thermal radiation from shadow mask |
08/03/1976 | US3973159 Cathode-ray tube for displaying colored pictures |
08/03/1976 | US3973157 Charged-particle trapping electrode |
07/27/1976 | US3971932 Apparatus for enhancing the long wavelength response of photodetectors |
07/27/1976 | US3971931 Led image tube light valve |
07/27/1976 | US3971490 Color cathode ray tube with improved faceplate-funnel referencing structures |
07/20/1976 | US3970890 Plural beam cathode ray tube including an astigmatic electron lens and self-converging |
07/13/1976 | US3969699 Image dissector with many apertures for Hadamard encoding |
07/13/1976 | US3969648 Projection television tube system |
07/13/1976 | US3969647 Cathode ray tube electrical connective traversal incorporating internal shielding and contact means |
07/13/1976 | US3968566 Method of forming a deflection yoke system |
07/06/1976 | US3968394 Cathode ray tube employing faceplate-deposited cathodochromic material and electron beam erase |
06/29/1976 | US3967315 Beam-index color television displays |
06/29/1976 | US3967152 Simultaneous electrostatic focusing and deflection system |
06/29/1976 | US3967151 Sustained conductivity device comprising a plurality of Schottky barriers |
06/29/1976 | US3967121 Low level infrared camera (LLIR Camera) |
06/29/1976 | US3966512 Method of manufacturing targets of pickup tubes |
06/29/1976 | US3966474 Method for improving adherence of phosphor-photobinder layer during luminescent-screen making |
06/22/1976 | US3965386 Degaussing device for a color television display tube |
06/22/1976 | US3965385 Semiconductor heterojunction television imaging tube |
06/22/1976 | US3964984 Method of producing photochromic sodalite crystals |
06/22/1976 | US3964812 Method for producing a strontium metal film on internal surfaces of a CRT |
06/15/1976 | US3962765 Method of installing a mount assembly in a multi-beam cathode ray tube |
06/08/1976 | US3962599 Shielding means for cathode ray tube |
06/08/1976 | US3962598 Means for restricting movement of a shadow mask in a direction transverse to the longitudinal axis of a color cathode ray tube |
06/08/1976 | US3962582 X-ray image intensifier having input screen with carbon layer |
06/08/1976 | US3962288 1-alkyl-substituted-1,2,3,4-tetrahydroanthraquinones |
06/01/1976 | US3961364 Color television camera |
06/01/1976 | US3961363 Color pickup tubes |
06/01/1976 | US3961223 Astigmatic focus correction circuit |
06/01/1976 | US3961221 Elongated getter support for cathode ray tube having rotatable member at end |
06/01/1976 | US3961220 Snubber means for positioning a gun structure in an electron discharge device |
06/01/1976 | US3961219 Electron optical system with a magnetic focusing and electromagnetic deflection system of unit design |
06/01/1976 | US3961182 Pick up screens for X-ray image intensifier tubes employing evaporated activated scintillator layer |
06/01/1976 | US3960562 Thin film dielectric storage target and method for making same |
05/25/1976 | US3959686 Cathode ray tube construction having defined processing and operational means incorporated therein |
05/25/1976 | US3959584 Cathodochromic CRT projection display |
05/25/1976 | US3958854 Spark gap apparatus |
05/18/1976 | USRE28821 Pick-up tube envelope sealant extending into groove of annular target support |
05/18/1976 | US3958152 Protection circuitry for cathode ray tubes |
05/18/1976 | US3958146 Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof |
05/18/1976 | US3956959 Electronic percussion instrument |
05/11/1976 | US3956662 Cathode ray storage tube having a target dielectric provided with particulate segments of collector electrode extending therethrough |
05/11/1976 | US3956025 Semiconductor devices having surface state control and method of manufacture |
04/27/1976 | US3953880 Semiconductor photoelectron emission device |
04/20/1976 | US3952227 Cathode-ray tube having electrostatic focusing and electrostatic deflection in one lens |
04/20/1976 | US3952226 CRT comprising strontium metal getter films and method of preparation |
04/20/1976 | US3952225 Cathode-ray tube having phosphor screen interposed between composite mesh and reflective layer |
04/20/1976 | US3952224 In-line electron guns having consecutive grids with aligned vertical, substantially elliptical apertures |
04/20/1976 | US3952222 Pickup tube target |
04/20/1976 | US3952152 CRT shield |
04/13/1976 | US3950720 Adjustable spring mount for a cathode ray tube yoke |
04/13/1976 | US3950671 Beam mislanding correcting system for color cathode ray tube |
04/13/1976 | US3950667 Magnetic deflection cathode ray tube system with electron gun having focus structure of a deposited resistive material |
04/13/1976 | US3950645 Infrared detection tube |
04/06/1976 | US3949264 Electronic storage tube target structure and method of operation |
04/06/1976 | US3949262 Cathode ray tube with compensation for beam landing spot distortion due to wide-angle beam deflection |
03/30/1976 | USRE28751 X- and gamma-ray sensitive image intensification tube |
03/30/1976 | US3947793 Multi-layer toroidal deflection yoke |
03/30/1976 | US3947718 Shadow mask having elongated apertures concave to vertical center line and increasing in pitch along x-axis with distance from said line |
03/30/1976 | US3947717 Photoconductor of cadmium selenide and aluminum oxide |
03/30/1976 | US3947715 Fast warm up cathode for a cathode ray tube |
03/30/1976 | US3947707 JFET optical sensor with capacitively charged buried floating gate |
03/30/1976 | US3947608 Method of manufacturing an electrically conducting layer on an internal wall part of a cathode-ray tube |
03/23/1976 | US3946267 Plural filter system cooperating with cathode ray display with lanthanum host phosphor emissive in two colors |
03/23/1976 | US3946266 Electrostatic and dynamic magnetic control of cathode ray for distortion compensation |