| Patents for H01J 31 - Cathode-ray tubes; Electron-beam tubes (11,837) |
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| 02/08/1994 | US5285061 X-ray photocathode for a real time x-ray image intensifier |
| 02/01/1994 | US5283501 Electron device employing a low/negative electron affinity electron source |
| 02/01/1994 | US5283500 Flat panel field emission display apparatus |
| 01/27/1994 | DE4322834A1 X-ray image amplifier for various display and recording methods - suitable for use with charge coupled device T.V. imaging and having high resolution and low image distortion |
| 01/27/1994 | DE4223693A1 X=ray image intensifier e.g. for medical diagnosis - has image sensor comprising layer system with semiconductor layer of amorphous semiconductor material for electron conversion |
| 01/26/1994 | EP0580244A1 Flat-panel type picture display device with electron propagation ducts |
| 01/20/1994 | DE4323273A1 Multi element fluorescent display panel - has number of grating elements that can be grouped together and operated with anodes in scanning mode |
| 01/20/1994 | DE4310604A1 Mfg. field emission cathode for flat screen use - applying series of processes to form successive solid state layers and cathode tip |
| 01/18/1994 | US5280360 Laser screen cathode ray tube with beam axis correction |
| 01/13/1994 | DE4222590A1 X=ray image amplifier output screen unit - has anode and filter units coated with electron absorbing material with further coating of reflective material |
| 01/12/1994 | EP0578403A1 Colour field emission display |
| 01/12/1994 | EP0578095A1 Cathode-ray tube having internal magnetic shield with strengthening ribs |
| 01/11/1994 | US5278544 Bistable electrooptical device, screen incorporating such a device and process for producing said screen |
| 01/11/1994 | US5278475 Cathodoluminescent display apparatus and method for realization using diamond crystallites |
| 01/11/1994 | US5278403 For time resolving a pulse of light |
| 01/11/1994 | US5277784 Dividing substrate, forming signal line, insulating layer and segment electrode on each area, arranging wiring layers to connect signal lines, immersion in fluorescent material, applying power to wiring |
| 01/11/1994 | US5277638 Method for manufacturing field emission display |
| 01/05/1994 | EP0576692A1 Image intensifier with image sensor |
| 01/05/1994 | CN1080432A Flat-panel type picture display device with insulating electron-propagation ducts |
| 01/05/1994 | CN1080431A Electric conducting film of flat cathoderay tube and method for manufacture of same |
| 01/04/1994 | US5276377 Cathode ray tube having a curved display window and a color display device |
| 12/28/1993 | US5274303 Cathode ray tube comprising a display window |
| 12/21/1993 | US5272419 Flat visible display device and method of forming a picture |
| 12/21/1993 | US5272413 Flat panel display device and a method of making the same |
| 12/15/1993 | EP0574084A1 Flat-panel type picture display device with insulating electron-propagation ducts |
| 12/15/1993 | EP0573754A1 Addressing method for cathodoluminescent display assembly |
| 12/14/1993 | US5270617 Planar type display device and its driving method |
| 12/14/1993 | US5270613 Two sided fluorescent indicator panel |
| 12/14/1993 | US5270611 Electric discharge element |
| 12/08/1993 | EP0573027A1 Image display apparatus and manufacturing method therefor |
| 12/08/1993 | EP0572777A1 Cathodoluminescent display apparatus and method for realization |
| 12/08/1993 | CN1023041C Color picture tube having improved shadow mask-frame assembly support |
| 12/07/1993 | US5268612 Feedback limited microchannel plate |
| 12/07/1993 | US5268570 Transmission mode InGaAs photocathode for night vision system |
| 12/02/1993 | DE4311318A1 Flat panel display unit having pixel activation by low voltage signals - generated for row and columns using pairs of FET devices assigned for each pixel location. |
| 12/01/1993 | EP0572170A1 Flat panel field emission display apparatus |
| 12/01/1993 | CN1079072A Method of manufacturing a plate of electrically insulating material having a pattern of apertures and/or cavities |
| 12/01/1993 | CN1022961C Color cathode ray tube |
| 11/24/1993 | EP0571206A1 Cathode ray tube |
| 11/24/1993 | EP0423164B1 Method of manufacturing a control subassembly for flat display devices |
| 11/16/1993 | US5263074 Spool distortion correction method for an x-ray radiograph diagnosis device |
| 11/16/1993 | US5262698 Compensation for field emission display irregularities |
| 11/10/1993 | CN1022717C Method for mfg. luminescent screen assembly using dry-powered filming material |
| 11/04/1993 | DE4213907A1 X=ray image amplifier - has high voltage battery for supplying positive voltage to anode and negative voltage to photocathode to create high accelerating potential for electron=optics. |
| 11/04/1993 | DE4213906A1 X=ray image amplifier to convert image into visible picture - comprises housing, inlet and outlet screens, electrodes, and anode |
| 11/03/1993 | EP0568376A1 Imaging device |
| 11/02/1993 | CA1323901C Image display apparatus and method of fabrication thereof |
| 10/28/1993 | WO1993021651A1 Cathode ray tube apparatus and method of manufacturing the same |
| 10/28/1993 | WO1993021650A1 Self supporting flat video display |
| 10/26/1993 | US5257018 Display device |
| 10/26/1993 | US5256941 Color display tube having a suspension means for a color selection electrode |
| 10/26/1993 | US5256937 Flat panel fluorescent screen display tube |
| 10/26/1993 | US5256936 Image display device |
| 10/26/1993 | US5256888 Transistor device apparatus employing free-space electron emission from a diamond material surface |
| 10/14/1993 | DE4311982A1 Opto electronic camera for high resolution images - has hole mask and transmission through micro channel block to optical screen and X=Y addressable receiver. |
| 10/13/1993 | EP0565169A1 Display device having a display window |
| 10/12/1993 | US5252990 Optical printer head employing a phosphor for emitting light |
| 10/12/1993 | US5252833 Electron source for depletion mode electron emission apparatus |
| 10/12/1993 | CA2038224C Color picture tube having improved shadow mask-frame assembly support |
| 10/12/1993 | CA2018530C Color picture tube having improved shadow mask-frame assembly support |
| 10/06/1993 | EP0563903A1 X-ray image intensifier |
| 10/05/1993 | US5250795 Feeble light measuring device |
| 09/30/1993 | DE4208540A1 X=ray image intensifier tube - has accelerating and braking voltages supplied to anode and phosphor-coated output screen respectively with lower voltage on output screen |
| 09/30/1993 | DE4208538A1 X=ray image intensifier tube - has two separate isolated anode parts, one part near output screen receiving voltage lower than accelerating voltage applied to other part nearer to output screen |
| 09/29/1993 | EP0562670A1 Method of manufacturing a plate of electrically insulating material having a pattern of apertures and/or cavities |
| 09/29/1993 | CN1076808A Flat-panel type picture display device |
| 09/28/1993 | US5248874 Image intensifier tube with correction of brightness at the output window |
| 09/22/1993 | EP0561621A1 Imaging tube |
| 09/21/1993 | US5247225 Display apparatus having spaced apart electron beam control electrodes coupled together by coupling pins |
| 09/16/1993 | WO1993018536A1 Vertical microelectronic field emission devices and methods of making same |
| 09/15/1993 | EP0560434A1 Flat-panel type picture display device |
| 09/15/1993 | EP0559915A1 Lighting device and image readout device |
| 09/15/1993 | CN1076309A Cathode-ray tube wherein plural regions of phosphor screen are scanned independently of one another |
| 09/14/1993 | US5245249 Flat display device |
| 09/08/1993 | EP0559550A1 Microchannel plate type intensifier tube, especially for radiological images |
| 09/07/1993 | US5243253 Color picture tube having shadow mask with improved tie bar grading |
| 09/01/1993 | EP0558393A1 Micropoint cathode electron source and display device with cathodo-luminescence excited by field emission using same source |
| 08/27/1993 | CA2089986A1 Micropoint emissive cathode electron source and field emission-excited cathodoluminescence display means using said source |
| 08/25/1993 | EP0557191A1 Cathodoluminescent screen comprising a matrix electron source |
| 08/24/1993 | US5238132 Glass pressure-vessel for a cathode ray tube |
| 08/24/1993 | CA2035365C Projection cathode ray tube having a multilayer optical interference film |
| 08/18/1993 | CN2140564Y X-ray image-amplification tube |
| 08/17/1993 | US5237180 High resolution image source |
| 08/11/1993 | EP0555074A1 An electron source for depletion mode electron emission apparatus |
| 08/10/1993 | US5235245 Metallic frame including leads incorporating a deformable part for use in a fluorescent display panel |
| 08/10/1993 | US5235191 Real-time x-ray device |
| 08/04/1993 | EP0554145A1 Image intensifier tube, particularly of the proximity focusing type |
| 08/04/1993 | EP0554076A1 Ionising radiation converter |
| 08/03/1993 | US5233266 Color picture tube having improved shadow mask-frame assembly support |
| 08/03/1993 | US5233183 Color image intensifier device and method for producing same |
| 08/03/1993 | US5232549 Flat panel displays |
| 07/27/1993 | US5231387 Apparatus and method for addressing microtip fluorescent screen |
| 07/21/1993 | EP0551767A2 An electron multiplier and an electron tube |
| 07/20/1993 | US5229691 Electronic fluorescent display |
| 07/20/1993 | US5229600 Exposure-compensation device for reciprocating-filter time-modulated color image intensifier |
| 07/20/1993 | CA2027521C Projection cathode ray tube having an interference filter |
| 07/20/1993 | CA2016379C Three tube color projection system having at least one tube without an interference filter |
| 07/14/1993 | CN1021608C Encapsulated field emission device |
| 07/13/1993 | US5227691 Flat tube display apparatus |
| 07/08/1993 | WO1993013540A1 Fluorescent display device |