Patents
Patents for H01J 31 - Cathode-ray tubes; Electron-beam tubes (11,837)
05/1989
05/16/1989US4831249 X-ray intensifier tube comprising a separating layer between the luminescent layer and the photocathode
05/10/1989EP0315435A2 Improvements in or relating to a streaking or framing image tube
05/10/1989EP0136360B1 Liquid-cooled cathode-ray tube apparatus
05/09/1989US4829212 Cathode ray tube with internal electrical connections means
05/02/1989US4827346 Electronic camera tube utilizing an array of charge storage cells for image storage and tunneling devices for readout
05/02/1989US4827182 CRT with elongated envelope having non-coaxial portions
05/02/1989US4827179 Mask vibration damping in cathode ray tubes
05/02/1989CA1253561A1 Picture pick-up device and television camera tube
04/1989
04/25/1989US4825230 Optical writer with vacuum tube and electro-optic shutter
04/25/1989CA1253260A1 Semiconductor device for generating an electron beam
04/19/1989EP0312007A2 Electron beam emitting device and image displaying device by use thereof
04/19/1989EP0311951A2 Fluorescent display apparatus
04/19/1989EP0311938A2 Flat image display device
04/18/1989US4823045 Picture taking tube having a bias light device
04/18/1989US4823006 Integrated electron optical/differential pumping/imaging signal detection system for an environmental scanning electron microscope
04/18/1989US4822993 Low-cost, substantially cross-talk free high spatial resolution 2-D bistable light modulator
04/18/1989US4822143 Picture-reproducing arrangement using a picture tube, and method of manufacturing same
04/12/1989EP0311184A1 Colour display tube having asymmetric deflection electrodes
04/12/1989CN1003896B Colour kinescope
04/11/1989US4820926 Radiation conversion screen
04/11/1989CA1252505A1 Middle-infrared imaging device
03/1989
03/28/1989US4816715 Multilayer-arsenic, selenium, tellurium intermetallic
03/28/1989CA1251825A1 Display tube
03/22/1989EP0308005A1 Display tube having a post-deflection structure and method of manufacturing said structure
03/22/1989EP0307653A2 Flat image display device
03/21/1989US4814599 Microchannel plate streak camera
03/14/1989US4812708 Thin cathode-ray tube
03/14/1989US4812704 Color television display tube
03/07/1989US4810928 Cathode-ray tube for constituting large picture display apparatus
02/1989
02/28/1989US4808890 Cathode-ray tube
02/14/1989US4804887 Display device with vibration-preventing plate for line cathodes
02/14/1989US4804884 Display tube having improved brightness distribution
02/14/1989US4804845 Beam index cathode ray tube
02/09/1989WO1989001271A1 Projection tv system with concave phosphor surfaces
02/07/1989US4803366 Coating cesium iodide needles with a refractory material; heat treating for luminescence
02/07/1989US4802735 Light valve projector having an improved bar plate configuration
02/01/1989EP0301681A2 Liquid crystal light valve with electrically switchable secondary electron collector electrode
01/1989
01/31/1989US4801994 Semiconductor electron-current generating device having improved cathode efficiency
01/31/1989US4801956 Image recording system
01/31/1989US4801796 Streak camera unit with elliptical deflection
01/26/1989DE3723565A1 Television video replay device
01/24/1989US4800263 Completely cross-talk free high spatial resolution 2D bistable light modulation
01/24/1989US4799911 Image intensifier tube with integral CCD digital readout
01/18/1989EP0299627A1 Image intensifier tube with integral CCD digital readout
01/17/1989CA1249013A1 Image detector for camera operating in "day-night" mode
01/17/1989CA1249011A1 Semiconductor cathode with increased stability
01/10/1989US4797747 Streak camera device having a plurality of streak tubes
12/1988
12/28/1988EP0296651A1 Image analysing tube provided with blur compensating means
12/27/1988US4794449 Electron multiplier flat CRT display apparatus providing successive color scanning lines for each scanning line of a received color video signal
12/27/1988US4794306 Flat picture-reproducing device
12/27/1988US4794296 Charge transfer signal processor
12/21/1988CN87206512U Uniaxial arystal projection display tube
12/20/1988US4792720 Color cathode ray tube
12/20/1988US4792718 Cathode ray display tubes
12/15/1988WO1988010006A1 Vibration damping means for tension mask cathode ray tubes
12/13/1988US4791300 Miniature gamma camera
12/07/1988CN88101412A Shadow mask type colour picture tube
11/1988
11/29/1988US4788472 Fluoroescent display panel having indirectly-heated cathode
11/29/1988US4788426 Electronic read/write system
11/23/1988EP0292152A2 Electron beam-addressed liquid crystal cell
11/23/1988EP0292073A1 X-ray image intensifier tube comprising an improved entrance window
11/22/1988US4786845 Cathode ray tube having an electron gun constructed for ready refocusing of the electron beam
11/17/1988EP0291420A1 Method of dosing with the aid of the average atomic number of phases containing a light element using a scanning microscope and an image analyser
11/17/1988EP0291057A2 Method and means for reading electronic signal patterns stored on a movable image recording surface
11/15/1988CA1244962A1 Autoconvergence of a cathode ray tube using a semiconductor detector
11/09/1988EP0162971B1 Projection cathode ray tube and image display device provided with such a tube
11/08/1988US4783139 Streaking tube
11/02/1988EP0289090A1 Cathode ray tube
10/1988
10/26/1988EP0288095A1 Display device
10/26/1988EP0288094A1 Vacuum tube including an electron-optical system
10/25/1988US4780640 Coolant of butanediol/1,3-/or mixture with glycerin or ethylene glycol
10/19/1988EP0287139A2 Channel plate electron multipliers
10/19/1988EP0286911A1 Flat picture reproduction apparatus
10/19/1988EP0286849A2 Control disc for picture reproduction apparatuses
10/18/1988US4779024 Deflection system for light valve projectors of the schlieren dark field type
10/18/1988US4778565 Method of forming panel type radiation image intensifier
10/11/1988US4777407 Color cathode ray tube device
10/11/1988CA1243069A1 Projection television display tube having coolant circulated by convection
09/1988
09/28/1988EP0284155A1 Deflection unit for use in a projection television display tube
09/28/1988EP0283941A2 Cathode ray tube having an electron gun constructed for readay refocusing of the electron beam
09/28/1988CN88101359A X-ray display tube
09/27/1988CA1242530A1 Deflection circuit for a cathode ray tube
09/21/1988EP0283129A2 Color picture tube of shadow mask type
09/14/1988EP0282108A1 X-ray detector tube
09/14/1988EP0282089A2 X-ray image intensifier
09/14/1988CN88102160A 显示装置 Display device
09/14/1988CN88101194A Colour display tube
09/13/1988US4770310 Casing for display device
09/13/1988CA1242037A1 Large capacity, large area video imaging sensors
09/07/1988EP0281191A2 Flat cathode ray display tube
09/07/1988EP0281114A1 Color picture tube
09/07/1988CN88101041A Vacuum tube including electron-optical system
09/06/1988US4769575 Electron gun of an image display apparatus
08/1988
08/30/1988US4767963 Shadow mask color CRT with enhanced resolution and/or brightness
08/23/1988US4766340 Semiconductor device having a cold cathode
08/23/1988US4765717 Liquid crystal light valve with electrically switchable secondary electron collector electrode
08/17/1988EP0278405A2 Electron emission element and method of manufacturing the same
08/17/1988CN88100700A Surface plate type cathode ray tube device
08/16/1988US4764806 Aplanatic image combiner for use in projection television systems with reduced spherical and coma aberration
08/16/1988US4764706 Flat cathode-ray tube and method of fabricating same