Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
07/1994
07/05/1994US5327051 Deflection system with a pair of quadrupole arrangements
07/05/1994US5327044 Electron beam deflection lens for CRT
07/05/1994US5327043 Internal magnetic shield-frame mounting means
07/05/1994US5326663 Method of manufacturing shadow mask
07/05/1994US5326588 Cathode ray tube
07/05/1994US5325911 Method of producing Fe-Ni series alloys having improved effect for restraining streaks during etching
06/1994
06/29/1994EP0604094A1 Glass panel resistant to coloring when irradiated with electron rays
06/29/1994EP0603941A1 Display device comprising a display screen provided with a filtering layer
06/29/1994CN1025215C Blue-luminescing lanthanum-gadolinium-oxybromide, Luminescent screen comprising such an oxybramide and cathode rny tube provided with such screen
06/28/1994US5325015 Vacuum fluorescent display tube having a built in driving semiconductor element therein
06/28/1994US5325014 Flat tube display apparatus
06/28/1994US5325013 Cathode-ray tube with improved electron gun
06/28/1994US5324602 Panel with fluorescent pattern on interior
06/23/1994WO1994014182A1 Method for producing microdot emitting cathodes on silicon for compact flat screens, and resulting products
06/23/1994WO1994014153A1 Flat screen having individually dipole-protected microdots
06/23/1994DE4336532A1 Electron gun for colour CRT with dynamic focussing
06/23/1994DE4316129C1 X-ray image amplifier input screen mfg. system
06/23/1994CA2129354A1 Method for producing microdot emitting cathodes on silicon for compact flat screens and resulting products
06/22/1994EP0602721A1 Method of curing a film
06/22/1994EP0602620A1 Frame structure of an aperture grille
06/22/1994EP0602109A1 Vertical deflection circuit.
06/22/1994CN1088355A Dynamic focusing electron gun
06/22/1994CN1088347A Screen-shielding method and means of image display terminal
06/15/1994EP0601637A1 Cathode ray tube comprising a semiconductor cathod
06/14/1994US5320913 Conductive film and low reflection conductive film, and processes for their production
06/09/1994WO1994013005A1 Image-generating device using the luminescence effect
06/08/1994EP0600551A1 Method of manufacturing a display window for a cathode ray tube
06/08/1994EP0600540A1 Colour diplay tube including a convergence correction device
06/08/1994EP0600476A2 Image pick-up apparatus and operation method of the same
06/07/1994US5319332 Magnetic shield for video monitor yokes
06/07/1994US5319280 Color picture tube with reduced raster distortion and flat appearing display window
06/07/1994US5319189 X-ray image intensifier tube having a photocathode and a scintillator screen positioned on a microchannel array
06/07/1994US5318918 Performing an orientation-dependent polycrystalline silicon etch to define a pyramid for the cell having base affixed to the workpiece and an upstanding tip opposed to the base
06/07/1994US5318724 Antistatic coating composition
06/01/1994EP0599451A1 Viewing angle restrictor for a visual display unit
06/01/1994EP0599407A2 Coating process of red luminescent phosphor particle with hematite
06/01/1994EP0599400A1 Colour selection means for colour display tubes
06/01/1994EP0598764A1 Improved electronic fluorescent display
06/01/1994DE4333832A1 Flat panel display tube strengthened by long and narrow plate - has planarity of rear wall of vacuum enclosure ensured by tension in metallic plate bolted to its centre
06/01/1994CN1024871C Picture display device
06/01/1994CN1024870C Cathode-ray tube having implosion protection band
06/01/1994CN1024869C Cathode-ray tube having improved 16X9 aspect ratio faceplate
06/01/1994CN1024868C Cathode structure for cathode ray tube
06/01/1994CN1024864C Attaching-detaching device for shadow mask frame assembly of cathode ray tube
06/01/1994CN1024863C Method of making color picture tube electron gun with reduced convergence drift
05/1994
05/31/1994US5317583 Semiconductor laser screen of a cathode-ray tube
05/31/1994US5317239 Deflection yoke for cathode ray tube
05/25/1994EP0598415A2 Method of fabricating a phosphor screen for a cathode ray tube
05/25/1994EP0597874A1 Beam converter screen and method of manufacture
05/25/1994CN1087206A Anti-reflecting film and displaying apparatus with same
05/25/1994CN1087205A Color kinescope
05/25/1994CN1024727C High yield wide channel annular ring shaped getter device
05/24/1994US5315209 Color cathode ray tube with selective light absorption film
05/24/1994US5315208 Color display tube with vibration damping in a supporting frame connected to a shadow mask
05/24/1994US5315207 Device for generating electrons, and display device
05/24/1994US5315206 Electron emission elements integrated substrate
05/24/1994US5315103 Radiological image intensifier tube with dyed porous alumina layer
05/24/1994US5314715 Coating process
05/24/1994CA2010330C Projection television apparatus
05/18/1994EP0597537A1 Electron tube comprising a semiconductor cathode
05/18/1994EP0597533A1 Deflection unit having a ring with field correction elements, and cathode ray tube provided with said unit
05/18/1994EP0597046A1 Hollow chain link main lens design for color crt
05/18/1994CN1086925A Fixation structure of deflection yoke and focus magnet for projection cathode ray tube
05/17/1994US5313483 Laser screen for a cathode-ray tube and method for making same
05/17/1994US5313284 Tension band and cathode ray tube fastened therewith
05/17/1994US5313136 Thin-type picture display device
05/17/1994US5313133 Electron gun for cathode ray tube with improved cathode structure
05/17/1994US5312279 Vacuum fluorescent display and manufacturing method thereof
05/17/1994CA2043272C Projection cathode-ray tube
05/11/1994WO1994010700A1 Matrix addressed screen with row/column contacts through the substrate
05/11/1994EP0596531A1 Antireflection film and display apparatus comprising the same
05/11/1994EP0596443A1 Color cathode ray tube
05/11/1994DE4320542A1 Fixing device for holding deflection yoke and focussing magnet on projection cathode ray tube - has yoke and magnets overlapping on tube body for fixing by single clamp element
05/11/1994DE4312329A1 Dynamically focussed electron gun for CRT - has in=line focussing electrodes controlled by dynamically varying signal to vary form of beam
05/10/1994US5311099 Pulse driver for CRT stray magnetic field cancelling circuit
05/10/1994US5311028 System and method for producing oscillating magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions
05/10/1994US5311010 Buffer for a gamma-insensitive optical sensor with gas and a buffer assembly
05/04/1994EP0595468A1 Image device
05/04/1994EP0595405A1 Colour cathode ray tube
05/04/1994EP0428667B1 Input screen for radiological image intensifier tube
05/04/1994CN1086347A Double close-up framming image intensifier
05/04/1994CN1086346A X-ray image intensifier
05/03/1994US5309059 Color cathode ray tube
05/03/1994US5308723 Iron, nickel alloy; high definition television
04/1994
04/27/1994EP0593634A1 Large area video camera
04/26/1994US5306983 Support device for a picture tube component
04/26/1994US5306982 Field harmonic enhancer in a deflection yoke
04/26/1994US5306907 X-ray and gamma ray electron beam imaging tube having a sensor-target layer composed of a lead mixture
04/26/1994CA1328754C High contrast fiber optic diffusion faceplate with radiused fibers
04/20/1994CN1085689A Color teletube
04/19/1994US5304891 Cathode-ray tube display device
04/19/1994US5304890 Cathode ray tube device having reinforcing frame
04/19/1994US5304889 Coating of double oxides of zinc and aluminum; preventing copper contamination
04/19/1994US5304792 X-ray image intensifier tube casing
04/19/1994US5304083 Method of forming a light emitting device
04/14/1994WO1994008349A1 Electron-beam device
04/13/1994EP0592237A1 Glass compositions and process for manufacturing
04/13/1994EP0592038A1 Display tube having a deflection coil support and an auxiliary deflection coil support
04/13/1994EP0591515A1 Electron beam deflection lens for crt
04/13/1994CN2161996Y Optical picture element device