Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
06/1993
06/01/1993CA1318500C External system for locating the geometric center of an internal lens element
05/1993
05/27/1993WO1993010537A1 A method and an arrangement relating to visual display units, forreducing the electric alternating field in the unit surroundings
05/26/1993EP0543671A2 Far-infrared emitting cathode ray tube
05/26/1993EP0543525A1 Elastic supporting member for shadow mask frame
05/26/1993CN1072512A Process of making shadow masks for photomechanical
05/26/1993CN1020990C Deflection yoke for colour cathode ray tube
05/26/1993CN1020989C Electron gun for colour cathode ray tube
05/26/1993CN1020988C Method of manufacturing colour display tube and device for carrying out this method
05/26/1993CN1020986C Microcomputerized visual monitor system for secondary winder
05/26/1993CN1020916C Luminescent lanthanum gallate activated by trivalent thulium, luminescent screen provided with such gallate and cathode ray tube provided with such screen
05/25/1993US5214349 Color cathode ray tube and color selection electrode device of color cathode ray tube
05/25/1993US5214348 Color crt with insulating stud pins for shadow mask support
05/25/1993US5213918 Cathode ray tubes, adjusting relative screen weights of phosphors, used in manufacture of color televisions
05/25/1993US5213894 Color cathode ray tubes
05/25/1993CA1318190C Method for the metallization of a luminescent screen
05/19/1993EP0542304A1 Apparatus for deflecting electron beams and color cathode ray tube apparatus incorporating this deflecting apparatus
05/19/1993CN1072286A Electron device employing low/negative electron affinity electron source
05/19/1993CN1020829C Electron gun assembly for crt
05/18/1993US5212590 Brightness intensifier tube with alignment marker
05/18/1993US5212426 Integrally controlled field emission flat display device
05/18/1993US5212423 Electron gun with lens which changes beam into nonaxisymmetric shape
05/13/1993WO1993009559A1 Cathode-ray tube
05/11/1993US5210462 Flat panel display apparatus and a method of manufacturing thereof
05/11/1993US5210460 Electron gun supporting member
05/11/1993US5210459 Shadow mask structure of a color cathode ray tube
05/11/1993US5209900 High-fineness shadow mask material and process for producing the same
05/11/1993US5209690 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
05/11/1993US5209687 Flat panel display apparatus and a method of manufacturing thereof
05/06/1993DE4236905A1 Magnetic focusing device for CRT - has permeability difference between ferrite and soft iron portions of frame in which static and dynamic coils are juxtaposed
05/06/1993DE4236594A1 Insulating element between CRT and flyback transformer wire - comprises flexible disc with central hole into which wire is slotted for insulation from tube glass
05/05/1993EP0540392A1 X-ray image intensifier tube housing
05/05/1993EP0540391A1 Radiological image intensifier tube
05/05/1993EP0540113A1 Display tube with deflection unit comprising field deflection coils of the semi-saddle type
05/05/1993EP0540096A1 Deflection yoke apparatus with means for reducing leaking magnetic fields
05/05/1993EP0540093A1 Image tube with electrostatic shutter and imaging device
05/05/1993EP0539679A1 Flat display apparatus
05/05/1993CN1020524C Welding device for cathode of electron gun of cathode ray tube
05/04/1993US5208510 CRT magnetic field cancelling device
05/04/1993US5208507 In-line type electron gun enabling easy centering between main electrode and auxiliary electrode
05/04/1993US5208065 Process for the formation of undercoat for crt metal back layer
04/1993
04/29/1993WO1993008663A1 Optical assembly for television front screen
04/29/1993CA2122062A1 Optical assembly for television front screen
04/28/1993EP0539099A2 Repositionable optical cover for monitors
04/28/1993EP0538937A1 Antireflective and antistatic coating for, in particular, a cathode ray tube
04/28/1993EP0538568A1 Lead silicate glasses
04/28/1993CN1071533A Vacuum fluorescent disply and manupacturing method thereof
04/27/1993US5206561 Electron gun for a color cathode ray tube
04/27/1993US5206559 Cathode ray tube which improves deflection aberration
04/27/1993US5205770 Method to form high aspect ratio supports (spacers) for field emission display using micro-saw technology
04/27/1993CA1317033C Color display system and tube having an electron gun with dual electrode modulation
04/27/1993CA1316977C Process and apparatus for the manufacture of cathode ray tubes having tension masks
04/22/1993DE4235306A1 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
04/22/1993DE4231720A1 Cathode ray tube display device - supplies field coils with sawtooth current synchronous with deflection current of CRT
04/21/1993EP0537876A1 Vacuum fluorescent display and manufacturing method therefor
04/21/1993EP0355124B1 Process and apparatus for the manufacture of cathode ray tubes having tension masks
04/21/1993CN1020361C Shadow mask type colour picture tube
04/20/1993US5204751 Target support for projection cathode ray tube
04/20/1993US5204649 Deflection yoke
04/20/1993US5204648 Deflection yoke
04/20/1993US5204585 Electron beam deflection lens for color CRT
04/20/1993US5204582 Cathode ray tube with an oxysulfide phosphor
04/14/1993EP0536833A1 X-ray examination apparatus
04/14/1993EP0536830A1 X-ray image intensifier tube
04/14/1993EP0536731A1 Electron-emitting device, and electron beam-generating apparatus and image-forming apparatus employing the device
04/14/1993CN1020315C Cathode ray tube
04/13/1993US5202615 Arc suppressing means for cathode ray tube
04/13/1993US5202606 Cathode-ray tube with focussing structure and getter means
04/13/1993US5202604 Electron gun for cathode ray tube
04/13/1993US5202603 In-line electron gun for a colored cathode ray
04/13/1993US5202566 VDT radiation protection system
04/13/1993US5202061 Electrically conductive polymeric materials and uses thereof
04/07/1993CN1070768A Color cathode ray tube of shadow mask type
04/07/1993CN1070766A Manufacturing method for oxidate cathode of plane multidigit nixie tube
04/06/1993US5200673 Method and device for suppression of leakage of magnetic flux in display apparatus
04/06/1993US5200667 Color cathode-ray-tube with electrical and optical coating film
04/06/1993US5200250 Phosphors, method for treating the surface thereof and process for producing a phosphor screen
04/06/1993US5200112 Electrically conductive polymeric materials and uses thereof
04/06/1993US5199984 Black matrix composition for use in color cathode ray tube
04/01/1993DE4232878A1 Colour printing head - uses single type of fluorescent material for light points formed by controlled electron emission and colour filters for light
04/01/1993DE4232588A1 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
04/01/1993DE4230650A1 X=ray image intensifier - with output screen comprising fibre optic plate with scintillating properties
03/1993
03/31/1993EP0534711A1 Biocular eyepiece optical system employing refractive and diffractive optical elements
03/31/1993EP0534547A2 X-ray detector with charge pattern read-out
03/31/1993EP0534460A1 Iron-nickel-cobalt alloy for a shadow mask
03/31/1993CN1070514A Cathode structure for CRT electron gun
03/31/1993CN1070513A Color picture tube having shadow mask with improved tie bar grading
03/31/1993CN1020223C Cathode-ray tube and process for producing same
03/31/1993CN1020222C Shadow mask type color cathode ray tube
03/31/1993CN1020221C Non-crystalline silicon camera target
03/31/1993CN1020220C Color cathode-ray tube having heat dissipative electron reflective coating on color selection electrode
03/31/1993CN1020218C Manufacturing method for electrode of electron gun of cathode ray tube
03/30/1993US5198960 Color cathode ray tube set
03/30/1993US5198730 Color display tube
03/30/1993US5198720 Direct heating cathode structure for cathode ray tubes
03/30/1993US5198719 Electron gun for color cathode-ray tube
03/30/1993US5198153 Dope Precursor, Electron and Photoresists
03/30/1993CA1315333C Method and apparatus of assuring interchangeability of shadow masks and front panels in the manufacture of color cathode ray tubes
03/24/1993EP0533538A1 Image intensifier tube with brightness correction
03/24/1993EP0533256A1 Antistatic coating for, in particular, a cathode ray tube
03/24/1993EP0533255A1 Method of manufacturing a coating