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)
01/1981
01/13/1981US4245176 Voltage multiplier device
01/13/1981US4245160 Image-intensifier apparatus
01/13/1981US4245159 Quick-acting electron-optical lenses
01/13/1981CA1093627A1 Vacuum fluorescent indicator
01/13/1981CA1093626A1 Image tube with conditioned input screen
01/13/1981CA1093625A1 Apparatus producing static eight-pole magnetic field for correcting raster distortion in a television picture tube
01/07/1981EP0021502A1 Colour display tube
01/07/1981EP0021275A1 Device for adjusting the deflection assembly of a colour cathode ray tube
01/07/1981EP0020909A1 Colour cathode-ray tube apparatus with shadow mask
01/06/1981US4243965 Deflection coil
01/06/1981US4243913 Color picture tube magnetic shielding and degaussing structure
01/06/1981US4243912 Simplified resistive lens electron gun with compound linear voltage profile
01/06/1981US4243911 Resistive lens electron gun with compound linear voltage profile
01/06/1981US4243908 Electrical connective means for a CRT mask-panel assembly
01/06/1981US4243905 Method of making the cathode of a diode image intensifier tube, and image intensifier tube having a cathode made by this method
01/06/1981US4243735 Method of producing light-absorbing edging about phosphor dots on color image screens
12/1980
12/30/1980US4242613 CRT Control grid having orthogonal openings on opposite sides
12/30/1980US4242612 Deflection unit for color television display tubes
12/30/1980US4242372 Tempering coating of oxygen-rich organic silicon or tin compound
12/30/1980US4242371 Multilayer, glass, phosphors, combustion, electroconductivity
12/30/1980CA1092703A1 Method and apparatus for improving the sharpness of a video picture
12/30/1980CA1092573A2 Cathode ray tube mounting means including lighting means and camera-connecting means
12/23/1980US4241275 In-line type electron gun structure for color picture tubes
12/23/1980US4241162 Water soluble azide-containing polyvinyl acetals
12/23/1980US4240896 Color-television screen-coating room
12/16/1980US4240006 Photoconductive layer and target structure for image pickup tube
12/16/1980US4239791 Producing cracks in phosphor layer
12/16/1980CA1091812A1 Cathode ray storage tube having a target dielectric provided with collector electrode segments extending therethrough
12/16/1980CA1091747A1 Charge image charge transfer cathode ray tube having a scan expansion electron lens system and collimation electrode means
12/16/1980CA1091746A1 Resistance layers on envelope of cathode ray tube
12/10/1980EP0020234A1 Pick-up target, tube provided with such a target and pick-up device comprising such a tube
12/10/1980EP0019975A1 Colour display tube
12/10/1980EP0019913A1 Thermal image pick-up tube
12/10/1980EP0019912A1 Thermal image recording plate
12/10/1980EP0019911A1 Thermal-image pick-up target
12/10/1980EP0019710A1 Filter-coated phosphor
12/09/1980US4238751 Deflection yoke for color picture tube
12/09/1980CA1091291A1 Method of manufacturing a dispenser cathode and dispenser cathode manufactured according to said method
12/09/1980CA1091286A1 Pyroelectric vidicon with temperature stabilized target
12/09/1980CA1091285A1 Colour display tube, method of manufacturing such a display tube having a shadow mask, and reproduction mask for use in such a method
12/02/1980US4237438 High resistance continuous shield for reduced capacitive coupling in a deflection yoke
12/02/1980US4237437 Deflection unit for color television display tubes
11/1980
11/26/1980EP0019328A1 Electromagnetic device for focusing and deflecting electron beams
11/26/1980EP0019274A1 Multipolar unit for a colour-picture tube
11/26/1980EP0019249A1 Multi-electron-beam generation system for cathode ray tubes
11/25/1980US4236184 Multi-function structure for a color cathode ray tube
11/25/1980US4236077 Image intensifier
11/25/1980CA1090493A1 Temperature compensation circuit for image intensifiers
11/25/1980CA1090454A1 Devices including a layer of amorphous silicon
11/25/1980CA1090412A1 Method of providing reference points for the magnetic deflection unit of a colour display tube, device for carrying out such a method, and display tube provided with reference points according to the method or by means of the device
11/18/1980US4234824 Combined linearity and side pincushion correction arrangement
11/18/1980US4234816 Cathode ray tube with internal arc suppressor and protective spark gap
11/18/1980US4234814 Electron gun with astigmatic flare-reducing beam forming region
11/18/1980CA1089911A1 Electron gun improvement
11/18/1980CA1089910A1 Crt electron gun improvement
11/12/1980EP0018688A1 Cathode-ray tube for displaying coloured pictures
11/12/1980EP0018667A1 Cathode ray tube face plate construction for suppressing the halo having a low reflection
11/12/1980EP0018666A1 Cathode ray tube face plate construction for suppressing the halo and method
11/11/1980US4233582 Deflection yoke for use with wide angle deflection system
11/11/1980US4233581 Mechanism for static convergence devices for color television picture tubes
11/11/1980US4233547 Color television display device comprising a deflection coil unit provided with a deflection coil for the vertical deflection and deflection coil unit for such a display device
11/11/1980CA1089574A1 System for achieving image uniformity in display devices
11/04/1980US4232283 Electron beam moving apparatus for a color cathode ray tube
11/04/1980US4232253 Distortion correction in electromagnetic deflection yokes
11/04/1980US4232250 No-flash erase of direct viewing bistable storage CRT
11/04/1980US4232248 Internal metal stripe on conductive layer
11/04/1980US4232247 Projection tube with X-ray shielding means on target
11/04/1980US4232246 Electron gun assembly for a color picture tube
11/04/1980US4232245 Reduced blooming devices
11/04/1980US4231892 Manganese doped zinc silicate luminescent phosphors with III-V oxide substitutions
11/04/1980US4231627 Electron beam tube
11/04/1980CA1088992A1 Traveling wave deflector for electron beams
11/04/1980CA1088991A1 Dsdt target and method for fabricating the same
11/04/1980CA1088990A2 Camera tube with reduced flare
11/04/1980CA1088989A1 Camera tube with auxiliary illumination
11/04/1980CA1088988A2 Cathode ray tube having improved shadow mask
11/04/1980CA1088987A1 Cathode ray tube having improved shadow mask
10/1980
10/29/1980EP0017782A1 Colour picture tube with black matrix and process for its manufacture
10/28/1980US4231068 Optical screens
10/28/1980US4231009 Deflection yoke with a magnet for reducing sensitivity of convergence to yoke position
10/28/1980US4230966 Metal strip attached to high voltage contact with getter at one end and contact to shield cone at the other
10/28/1980US4230965 Means for positioning an electrical contactor on a CRT mask assembly
10/28/1980CA1088613A1 Flat display device with beam guide
10/28/1980CA1088612A1 Self converging, north/south pincushion corrected hybrid yoke
10/21/1980US4229720 Deflection unit for a color television display tube
10/21/1980US4229675 Color picture tube with internal funnel shaped magnetic shield
10/21/1980US4229081 Electro-mechanical image converter
10/14/1980US4228446 Reduced blooming device having enhanced quantum efficiency
10/14/1980US4228433 Information display position-defining circuit for a cathode ray tube
10/14/1980US4228414 Magnetic deflection system
10/14/1980US4228413 Saddle-toroid deflection winding for low loss and/or reduced conductor length
10/14/1980CA1087719A1 Cathode ray tube mounting means including lighting means and camera-connecting means
10/07/1980US4227122 Convergence device for projection type color television system
10/07/1980US4227115 Color display tube with shadow mask having elongated apertures therein
10/01/1980EP0016484A1 Colour television display tube
09/1980
09/30/1980US4225882 Method and a device for analyzing a pyroelectric target
09/30/1980US4225805 Cathode ray tube getter sealing structure
09/30/1980US4225804 Cathode ray tube coma correction device
09/30/1980CA1086810A1 Color cathode ray tube having a striped phosphor screen
09/30/1980CA1086547A1 Photoconductor element with superimposed layers of ca te and zn te containing in
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