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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06/01/1993 | CA1318500C External system for locating the geometric center of an internal lens element |
05/27/1993 | WO1993010537A1 A method and an arrangement relating to visual display units, forreducing the electric alternating field in the unit surroundings |
05/26/1993 | EP0543671A2 Far-infrared emitting cathode ray tube |
05/26/1993 | EP0543525A1 Elastic supporting member for shadow mask frame |
05/26/1993 | CN1072512A Process of making shadow masks for photomechanical |
05/26/1993 | CN1020990C Deflection yoke for colour cathode ray tube |
05/26/1993 | CN1020989C Electron gun for colour cathode ray tube |
05/26/1993 | CN1020988C Method of manufacturing colour display tube and device for carrying out this method |
05/26/1993 | CN1020986C Microcomputerized visual monitor system for secondary winder |
05/26/1993 | CN1020916C Luminescent lanthanum gallate activated by trivalent thulium, luminescent screen provided with such gallate and cathode ray tube provided with such screen |
05/25/1993 | US5214349 Color cathode ray tube and color selection electrode device of color cathode ray tube |
05/25/1993 | US5214348 Color crt with insulating stud pins for shadow mask support |
05/25/1993 | US5213918 Cathode ray tubes, adjusting relative screen weights of phosphors, used in manufacture of color televisions |
05/25/1993 | US5213894 Color cathode ray tubes |
05/25/1993 | CA1318190C Method for the metallization of a luminescent screen |
05/19/1993 | EP0542304A1 Apparatus for deflecting electron beams and color cathode ray tube apparatus incorporating this deflecting apparatus |
05/19/1993 | CN1072286A Electron device employing low/negative electron affinity electron source |
05/19/1993 | CN1020829C Electron gun assembly for crt |
05/18/1993 | US5212590 Brightness intensifier tube with alignment marker |
05/18/1993 | US5212426 Integrally controlled field emission flat display device |
05/18/1993 | US5212423 Electron gun with lens which changes beam into nonaxisymmetric shape |
05/13/1993 | WO1993009559A1 Cathode-ray tube |
05/11/1993 | US5210462 Flat panel display apparatus and a method of manufacturing thereof |
05/11/1993 | US5210460 Electron gun supporting member |
05/11/1993 | US5210459 Shadow mask structure of a color cathode ray tube |
05/11/1993 | US5209900 High-fineness shadow mask material and process for producing the same |
05/11/1993 | US5209690 Method of vapor depositing an interference filter layer on the inside of a display window, a display window, a projection cathode ray tube and a projection television apparatus |
05/11/1993 | US5209687 Flat panel display apparatus and a method of manufacturing thereof |
05/06/1993 | DE4236905A1 Magnetic focusing device for CRT - has permeability difference between ferrite and soft iron portions of frame in which static and dynamic coils are juxtaposed |
05/06/1993 | DE4236594A1 Insulating element between CRT and flyback transformer wire - comprises flexible disc with central hole into which wire is slotted for insulation from tube glass |
05/05/1993 | EP0540392A1 X-ray image intensifier tube housing |
05/05/1993 | EP0540391A1 Radiological image intensifier tube |
05/05/1993 | EP0540113A1 Display tube with deflection unit comprising field deflection coils of the semi-saddle type |
05/05/1993 | EP0540096A1 Deflection yoke apparatus with means for reducing leaking magnetic fields |
05/05/1993 | EP0540093A1 Image tube with electrostatic shutter and imaging device |
05/05/1993 | EP0539679A1 Flat display apparatus |
05/05/1993 | CN1020524C Welding device for cathode of electron gun of cathode ray tube |
05/04/1993 | US5208510 CRT magnetic field cancelling device |
05/04/1993 | US5208507 In-line type electron gun enabling easy centering between main electrode and auxiliary electrode |
05/04/1993 | US5208065 Process for the formation of undercoat for crt metal back layer |
04/29/1993 | WO1993008663A1 Optical assembly for television front screen |
04/29/1993 | CA2122062A1 Optical assembly for television front screen |
04/28/1993 | EP0539099A2 Repositionable optical cover for monitors |
04/28/1993 | EP0538937A1 Antireflective and antistatic coating for, in particular, a cathode ray tube |
04/28/1993 | EP0538568A1 Lead silicate glasses |
04/28/1993 | CN1071533A Vacuum fluorescent disply and manupacturing method thereof |
04/27/1993 | US5206561 Electron gun for a color cathode ray tube |
04/27/1993 | US5206559 Cathode ray tube which improves deflection aberration |
04/27/1993 | US5205770 Method to form high aspect ratio supports (spacers) for field emission display using micro-saw technology |
04/27/1993 | CA1317033C Color display system and tube having an electron gun with dual electrode modulation |
04/27/1993 | CA1316977C Process and apparatus for the manufacture of cathode ray tubes having tension masks |
04/22/1993 | DE4235306A1 Cathode ray tube eliminating enlarging of focused beam spot near display edges - supplies dynamic modulated signals to two electrodes to form beam, pre-focussing lens, four pole lens and main lens |
04/22/1993 | DE4231720A1 Cathode ray tube display device - supplies field coils with sawtooth current synchronous with deflection current of CRT |
04/21/1993 | EP0537876A1 Vacuum fluorescent display and manufacturing method therefor |
04/21/1993 | EP0355124B1 Process and apparatus for the manufacture of cathode ray tubes having tension masks |
04/21/1993 | CN1020361C Shadow mask type colour picture tube |
04/20/1993 | US5204751 Target support for projection cathode ray tube |
04/20/1993 | US5204649 Deflection yoke |
04/20/1993 | US5204648 Deflection yoke |
04/20/1993 | US5204585 Electron beam deflection lens for color CRT |
04/20/1993 | US5204582 Cathode ray tube with an oxysulfide phosphor |
04/14/1993 | EP0536833A1 X-ray examination apparatus |
04/14/1993 | EP0536830A1 X-ray image intensifier tube |
04/14/1993 | EP0536731A1 Electron-emitting device, and electron beam-generating apparatus and image-forming apparatus employing the device |
04/14/1993 | CN1020315C Cathode ray tube |
04/13/1993 | US5202615 Arc suppressing means for cathode ray tube |
04/13/1993 | US5202606 Cathode-ray tube with focussing structure and getter means |
04/13/1993 | US5202604 Electron gun for cathode ray tube |
04/13/1993 | US5202603 In-line electron gun for a colored cathode ray |
04/13/1993 | US5202566 VDT radiation protection system |
04/13/1993 | US5202061 Electrically conductive polymeric materials and uses thereof |
04/07/1993 | CN1070768A Color cathode ray tube of shadow mask type |
04/07/1993 | CN1070766A Manufacturing method for oxidate cathode of plane multidigit nixie tube |
04/06/1993 | US5200673 Method and device for suppression of leakage of magnetic flux in display apparatus |
04/06/1993 | US5200667 Color cathode-ray-tube with electrical and optical coating film |
04/06/1993 | US5200250 Phosphors, method for treating the surface thereof and process for producing a phosphor screen |
04/06/1993 | US5200112 Electrically conductive polymeric materials and uses thereof |
04/06/1993 | US5199984 Black matrix composition for use in color cathode ray tube |
04/01/1993 | DE4232878A1 Colour printing head - uses single type of fluorescent material for light points formed by controlled electron emission and colour filters for light |
04/01/1993 | DE4232588A1 In=line electron gun for colour CRT - produces horizontal object point further from main lens than vertical point and shorter vertical focal length than horizontal |
04/01/1993 | DE4230650A1 X=ray image intensifier - with output screen comprising fibre optic plate with scintillating properties |
03/31/1993 | EP0534711A1 Biocular eyepiece optical system employing refractive and diffractive optical elements |
03/31/1993 | EP0534547A2 X-ray detector with charge pattern read-out |
03/31/1993 | EP0534460A1 Iron-nickel-cobalt alloy for a shadow mask |
03/31/1993 | CN1070514A Cathode structure for CRT electron gun |
03/31/1993 | CN1070513A Color picture tube having shadow mask with improved tie bar grading |
03/31/1993 | CN1020223C Cathode-ray tube and process for producing same |
03/31/1993 | CN1020222C Shadow mask type color cathode ray tube |
03/31/1993 | CN1020221C Non-crystalline silicon camera target |
03/31/1993 | CN1020220C Color cathode-ray tube having heat dissipative electron reflective coating on color selection electrode |
03/31/1993 | CN1020218C Manufacturing method for electrode of electron gun of cathode ray tube |
03/30/1993 | US5198960 Color cathode ray tube set |
03/30/1993 | US5198730 Color display tube |
03/30/1993 | US5198720 Direct heating cathode structure for cathode ray tubes |
03/30/1993 | US5198719 Electron gun for color cathode-ray tube |
03/30/1993 | US5198153 Dope Precursor, Electron and Photoresists |
03/30/1993 | CA1315333C Method and apparatus of assuring interchangeability of shadow masks and front panels in the manufacture of color cathode ray tubes |
03/24/1993 | EP0533538A1 Image intensifier tube with brightness correction |
03/24/1993 | EP0533256A1 Antistatic coating for, in particular, a cathode ray tube |
03/24/1993 | EP0533255A1 Method of manufacturing a coating |