Patents
Patents for H01J 31 - Cathode-ray tubes; Electron-beam tubes (11,837)
01/1992
01/22/1992EP0467572A2 Field emitter structure and fabrication process providing passageways for venting of outgassed materials from active electronic area
01/22/1992EP0467332A2 Color cathode-ray tube apparatus
01/22/1992EP0467304A2 Image viewing device
01/21/1992US5083058 Flat panel display device
01/15/1992EP0466053A1 Fluorescent composition for low velocity electron beam excitation
01/09/1992WO1992000600A1 Matrix-addressed flat panel display having a transparent base plate
01/08/1992EP0464938A1 Thin-type picture display device
01/08/1992EP0464937A1 Thin-type picture display device
01/02/1992EP0463683A1 Colour display tube having a shadow mask suspension means
12/1991
12/31/1991US5077611 Universal image intensifier tube
12/31/1991US5077498 Pinched electron beam cathode-ray tube with high-voltage einzel focus lens
12/30/1991WO1992000551A1 Projector
12/18/1991EP0461657A2 Flat display
12/14/1991CA2044376A1 Electron source with microdot emissive cathodes
12/11/1991EP0460567A2 Flat panel display device and method of making the same
12/04/1991EP0459496A2 Image display device
12/03/1991US5070272 Photoconductive device and method of operating same
11/1991
11/27/1991EP0458179A2 Image pickup tube and its operating method
11/27/1991CN1056603A 扫描电子管 Scanning electron tube
11/27/1991CN1056601A Cathode-ray tube having improved 16x9 aspect ratio faceplate panel
11/26/1991US5068580 Electrical beam switch
11/26/1991US5068579 Flat configuration color crt display apparatus with scanning correction for component positioning error
11/26/1991CA1292500C Color picture tube having improved shadow mask-frame assembly
11/21/1991EP0457404A2 Short focal length color projector employing dichroic mirror block
11/20/1991CN1056377A Cold cathode field emission device with integral emitter ballasting
11/13/1991EP0456480A2 A method for driving a photoelectric device and a method for driving an image intensifier using the photoelectric device
11/12/1991US5065077 Color monitor
11/07/1991DE4013482A1 Assembly process for visual display matrix boards - uses pure iron for matrix, anode and frame components
11/06/1991EP0455162A2 Flat display
11/06/1991EP0454920A1 Image display apparatus
11/06/1991EP0382838A4 Methods and apparatus for improving cathode ray tube image quality
11/05/1991US5063327 Field emission cathode based flat panel display having polyimide spacers
11/05/1991US5063325 Color picture tube having improved shadow mask-frame assembly support
11/05/1991US5063323 Field emitter structure providing passageways for venting of outgassed materials from active electronic area
10/1991
10/31/1991WO1991016787A1 Device and method for controlling the contrast in an image observation system provided with an mcp image intensifier
10/31/1991DE4013006A1 Cathode ray display tube and controller - allows dual beam leading to high intensity and definition
10/31/1991CA2082148A1 Device and method for controlling the contrast in an image observation system provided with an mcp image intensifier
10/30/1991CN1014568B Integrated electronic optical/differential pumping/imaging signal detection system for environmental scanning electron
10/29/1991US5061880 Method of driving image display device
10/23/1991CN1055624A Ray casting image intensifier
10/23/1991CN1014478B X-ray photocathode, image enhancer and imaging instrument
10/23/1991CN1014477B Colour display tube
10/22/1991US5059858 Color cathode ray tube apparatus
10/22/1991US5059854 Image intensifier tube comprising a chromium-oxide coating
10/22/1991CA1291203C Projection television system with display tubes having an interference filter
10/16/1991CN1055445A Cathode-ray tube having improved 16x9 aspect ratio faceplate
10/15/1991US5057912 Cathode-ray tube with interference filter and projection television system employing same
10/15/1991US5057680 Ultrafast gating apparatus having characteristic impedance of strip line smaller on its input side than the output side
10/09/1991EP0450670A1 Proximity focus X-ray image intensifier tube
10/08/1991US5055744 Display device
10/02/1991EP0449284A2 Apparatus for and method of driving electrodes of flat display
10/02/1991EP0414793A4 Electronic still camera tube
10/02/1991CN1055082A Color cathode ray tube
10/02/1991CN1055081A Shadow mask color cathode ray tube
10/02/1991CN1055080A Color picture tube having improved shadow mask-frame assembly support
10/01/1991US5054047 Circuits responsive to and controlling charged particles
09/1991
09/25/1991EP0448401A2 A shadow mask type cathode ray tube
09/18/1991EP0447238A1 Proximity image intensifier
09/18/1991EP0447061A2 Image intensifiers
09/18/1991EP0446792A2 Colour picture tube having shadow mask-frame assembly support
09/18/1991CN1054695A Colour plate indicator
09/11/1991EP0446041A2 Electronic fluorescent display system
09/11/1991EP0445440A1 Shadow mask colour display tube
09/11/1991EP0445324A1 X-ray image intensifier with an electrode system
09/05/1991WO1991013456A1 X-ray image tube device
09/04/1991CN1013818B Envelope for colour cathode ray tube
09/03/1991US5045761 Method of gating electron tube and the electron tube operated by said method
09/03/1991US5045696 Photoelectron microscope
09/03/1991US5045682 X-ray image intensifier having columnar crystals having a cross section decrease as it goes towards the edge
08/1991
08/28/1991CN1013720B Exposur apparatus for colour cathode ray tubes
08/27/1991US5043568 Optical signal detector incorporating means for eluminating background light
08/22/1991WO1991012624A1 Cold cathode field emission device with integral emitter ballasting
08/21/1991CN1053969A High-resolution colour kinescope
08/07/1991EP0440463A2 Planar display apparatus
07/1991
07/30/1991US5036317 Flat panel apparatus for addressing optical data storage locations
07/30/1991US5036247 Dot matrix fluorescent display device
07/24/1991EP0438197A1 Cathode ray tube having a curved display window and colour display device
07/24/1991CN1053320A Thin-type image display device
07/24/1991CN1013327B Improved luminescent display cell
07/23/1991CA1286709C Flat picture-reproducing device
07/18/1991DE4001010A1 X=ray subject simulator achieving similar intensity distribution - uses image converter output screen mask for artifact-free X=ray photography
07/17/1991EP0436997A1 Thin-type picture display device
07/17/1991EP0436982A2 Scanning tip for a scanning tunnelling apparatus
07/17/1991CN1013235B Display device
07/17/1991CN1013234B Cathode ray tube and envelope therefor
07/17/1991CN1013232B Laminar flow gun for light valves
07/16/1991US5032764 Coil, a method of construction of said coil and an imaging device equipped with a coil of this type
07/16/1991US5032761 Electron feed structure for flat-type luminous device
07/16/1991US5032756 Color cathode ray tube and envelope for use with the color cathode ray tube
07/16/1991US5032316 Fluorescent composition
07/11/1991WO1991010254A1 Mosaic monitor for higher resolution and privacy means for audio accomodations
07/09/1991US5030881 Color picture tube with shadow mask having improved aperture border
07/02/1991US5029258 Image display device and its driving method
07/02/1991US5029156 Method and means for reading electronic signal patterns stored on a movable image recording surface
07/02/1991US5028842 Device for chromatic conversion of an image obtained by electromagnetic radiation and manufacturing process thereof
07/02/1991US5028501 Method of manufacturing a luminescent screen assembly using a dry-powdered filming material
06/1991
06/26/1991EP0434157A2 Method of manufacturing of a brightness intensifier tube comprising seals
06/26/1991EP0434054A1 Planar display apparatus
06/18/1991US5025196 Image forming device with beam current control
06/18/1991US5025166 Phosphor screen