Patents
Patents for H01J 31 - Cathode-ray tubes; Electron-beam tubes (11,837)
01/1993
01/21/1993WO1993001612A1 Large area video camera
01/20/1993EP0523702A1 Image-forming device
01/20/1993EP0523494A1 An electron device employing a low/negative electron affinity electron source
01/20/1993EP0523318A2 Light-emitting device
01/19/1993US5180908 Device for deriving a change of time-dependent information by converting the information to positional-dependent information
01/19/1993CA2070767A1 Electron device employing a low/negative electron affinity electron source
01/19/1993CA1312906C Liquid cooled cathode ray tube apparatus for video projection system
01/13/1993EP0522544A1 Flat tube display apparatus
01/12/1993US5179445 Image intensifiers having means to reduce electromagnetic interference
01/12/1993US5179317 Fluorescent luminous device having a vibration absorbing element
01/12/1993CA1312647C Light source display tube
01/07/1993EP0521626A1 Feedback limited microchannel plate
01/05/1993US5177410 Image display device
01/05/1993US5177400 Projection cathode-ray tube
01/05/1993US5177350 Image intensifier tube with optimized electrical insulation
01/05/1993US5176557 Electron emission element and method of manufacturing the same
12/1992
12/30/1992EP0520795A1 Color cathode ray tube
12/30/1992EP0520139A1 Light-emitting device
12/30/1992CN1067527A X-ray image tube, its manufacturing method and x-ray photographic apparatus
12/30/1992CN1019716B Modular x-ray image intensifier tube
12/30/1992CN1019715B Color cathode ray tube
12/29/1992US5175467 Flat display panel assembly
12/23/1992EP0519835A1 Flat matrix screen with method of control and application to image display
12/23/1992CN1019622B X-ray image tube
12/22/1992US5173954 Spatial light modulation device and image reconstructing apparatus using the same
12/16/1992EP0518612A1 Display for electronic devices
12/15/1992US5172028 Fluorescent display device
12/15/1992US5172027 Wire shaped electron source
12/09/1992EP0517146A2 Electron source drive device employing an improvement of an electron source unit
12/08/1992US5170102 Picture display device
12/08/1992US5170100 Electronic fluorescent display system
12/01/1992US5168351 Short focal length video color projector employing dichroic mirror block
11/1992
11/25/1992EP0514921A1 X-ray imaging tube
11/25/1992EP0514474A1 Cold cathode field emission device with integral emitter ballasting
11/24/1992US5166577 Projection cathode-ray tube with interference film
11/24/1992US5166512 X-ray imaging tube and method of manufacturing the same with columnar crystals and opaque light blocking means
11/19/1992EP0513005A1 Cathodoluminescent display device using guided electrons and method of controlling it
11/19/1992EP0500543A4 Flat panel display using field emission devices
11/17/1992US5164582 Method for operating an image intensifier tube by generating high frequency alternating electric field between cathode and channel plate thereof
11/12/1992WO1992020087A1 High resolution image source
11/10/1992US5162704 Field emission cathode
11/10/1992CA1310141C Integrated electronic optical/differential pumping/imaging signal detection system for an environmental scanning electron microscope
11/05/1992DE4114023A1 Visual display providing three=dimensional effect without requiring spectacles - directs images from two cameras using electron guns, through slotted mask and onto screen with lens in front having strip prism form
11/04/1992EP0511823A1 Femtosecond streak camera
11/04/1992CN1018968B Cathode-ray tube having improved 16x9 aspect ratio faceplate panel
11/03/1992US5160871 Flat configuration image display apparatus and manufacturing method thereof
10/1992
10/29/1992DE4113579A1 TV camera with pick=up tube electron beam deflector - which broadens beam for complete coverage of target including residual electric charges between lines of scan
10/28/1992CN1065753A Color cathode ray tube
10/28/1992CN1065752A Electron gun changeable kinescope
10/27/1992US5158228 Method for arranging plurality of line filaments above the grid electrode in a fluorescent displaying tube
10/22/1992DE4208750A1 Flat cathode ray tube - with electrodes and leads integrated in a metallised glass plate
10/22/1992DE4113276A1 Writing and reading strips for photoprinter or scanner - comprising cold cathode in a vacuum-tight evacuated vessel and a light source sepd. by an electron-accelerating chamber
10/22/1992DE4113275A1 Image converter for UV and X=ray images - providing simplified electro=optical imaging, in which image points of prim. image are formed on intersection regions of base and top electrode films on thinned local areas
10/22/1992DE4113274A1 Flat display - comprising matrix-addressed cold cathode, electron-accelerating chamber, fluorescent screen and gas-tight evacuated jacket
10/20/1992US5157524 Apparatus and method for displaying levels of greys on a matrix type display screen
10/20/1992US5156563 Process for manufacturing color picture tube capable of minimizing thermal deformation of shadow mask
10/20/1992CA1309016C Homogeneous fluoroassay methods employing fluorescent background rejection and water-soluble rare earth metal chelate fluorophores
10/14/1992EP0507976A1 X-ray image intensifier
10/14/1992EP0507879A1 Mosaic monitor for higher resolution and privacy means for audio accomodations
10/13/1992US5155416 Electron beam emitting device and image displaying device by use thereof
10/13/1992US5155410 Shadow mask type color cathode ray tube
10/13/1992US5155349 X-ray image intensifier with shrink-fitting parts
10/07/1992EP0507389A1 Picture display device, projection device provided with three such picture display devices, and picture tube suitable for use in such a picture display device
10/06/1992US5153483 Display device
09/1992
09/30/1992CN1064965A Apparatus for mounting shadow mask in colour picture tube
09/22/1992US5150005 Vacuum fluorescent display panel having an alkali-free glass plate
09/17/1992WO1992016013A1 Cathode luminescence device and phosphor powder
09/17/1992WO1992016012A1 Light projecting device
09/17/1992WO1992016011A1 Light projecting device
09/17/1992WO1992016006A1 A field emission display device employing an integral planar field emission control device
09/16/1992EP0503513A1 Apparatus for mounting shadow mask in color picture tube
09/15/1992US5148461 Circuits responsive to and controlling charged particles
09/09/1992EP0502293A1 Enamel layer
09/09/1992CN1064370A Colour fluorescent panel display
09/08/1992US5146296 Devices for detecting and/or imaging single photoelectron
09/08/1992US5146077 Gated voltage apparatus for high light resolution and bright source protection of image intensifier tube
09/08/1992US5146076 Input screen for radiological image intensifier tube utilizing an anti-reflecting layer
09/02/1992EP0501785A2 Electron emitting structure and manufacturing method
09/02/1992EP0500543A1 Flat panel display using field emission devices
09/02/1992CA2060809A1 Electron emitting structure and manufacturing method
09/01/1992US5144417 Projection type television apparatus
09/01/1992US5144198 Electron feeder for flat-type luminous device
09/01/1992US5144197 Display device having walls for passage of electron beams
09/01/1992US5144123 X-ray image dissecting intensifier with pinhole aperture anode for image dissection
08/1992
08/26/1992EP0500312A1 Shadow mask assembly for color cathode ray tube
08/25/1992US5142193 Photonic cathode ray tube
08/25/1992US5142184 Cold cathode field emission device with integral emitter ballasting
08/20/1992WO1992014257A1 Ultra fast camera for visualizing the intensity profile of a laser pulse
08/19/1992EP0499490A2 Scanning reflection electron diffraction microscope
08/19/1992EP0499360A1 Pinched electron beam cathode-ray tube with high-voltage einzel focus lens
08/18/1992US5140230 Flat configuration cathode ray tube
08/18/1992US5140219 Field emission display device employing an integral planar field emission control device
08/18/1992US5140150 Brightness intensifier tube comprising seals
08/13/1992DE4202841A1 Planar cathode ray tube with extractor for electron beam - has screen glass on which luminous layer is formed, with container divided into metal front and rear parts
08/12/1992EP0498379A1 A planar type display device and its driving method
08/12/1992CN2112892U Plane colour cathod
08/11/1992US5138435 Crt-matrix display with indexing and stair step vertical deflection waveform.
08/11/1992US5138237 Field emission electron device employing a modulatable diamond semiconductor emitter
08/11/1992US5138147 Proximity x-ray image intensifier tube
08/06/1992DE4202284A1 Image pick=up tube photoconductive film protector for video camera - supplies heating current to filament instead of normal operating current after lapse of operation-free period