Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
01/1989
01/18/1989CN1030497A Filter for crt screen
01/17/1989US4798994 Low reflectance display device
01/17/1989US4798992 Color cathode-ray tube with electron beam selection mask support structure
01/17/1989US4798681 Terbium oxide or cerium oxide activator
01/17/1989CA1249013A1 Image detector for camera operating in "day-night" mode
01/17/1989CA1249012A1 Electron-beam device and semiconductor device for use in such an electron-beam device
01/17/1989CA1249011A1 Semiconductor cathode with increased stability
01/11/1989EP0298817A1 Process and device for the production of electrons using a field coupling and the photoelectric effect
01/11/1989EP0298582A1 Filter for CRT screen
01/11/1989CN1030328A 阴极射线管 A cathode ray tube
01/10/1989CA1248576A1 Cathode ray tube electron gun with reduced cathode glow
01/04/1989EP0297767A2 Screen for cathode ray tubes
01/04/1989EP0297635A1 Picture display system including a deflection unit with a double saddle coil system
01/03/1989US4795941 Electromagnetic wave shielding, transparent panel for a display device
12/1988
12/29/1988WO1988010283A1 Antiglare coating
12/28/1988EP0296727A2 Light shielding screen structure and a process for producing the same
12/28/1988EP0296657A1 Method of manufacturing a cathode-ray tube and a cathode-ray tube manufacture by means of such a method
12/28/1988EP0296651A1 Image analysing tube provided with blur compensating means
12/27/1988US4794300 Colour picture tube including a deflection unit having picture balance correction means
12/27/1988US4794299 Flat tension mask color CRT front assembly with improved mask for degrouping error compensation
12/21/1988EP0295741A1 Display device
12/21/1988EP0295732A1 Method of manufacturing an electron gun
12/20/1988US4792722 Cathode ray tube having a flat faceplate attached by a compliant pressure bonded seal
12/20/1988US4792721 Cathode-ray tube with electrostatic deflection
12/20/1988US4792720 Color cathode ray tube
12/20/1988US4792719 Edge-bonded bimetal compensator for shadow mask
12/20/1988US4792718 Cathode ray display tubes
12/20/1988US4792673 Graticule illuminator for an image intensifier
12/20/1988US4792498 Silver-tin joint between flat glass faceplate, nickel-iron tray; flanges; photography
12/20/1988US4792317 Method for making a magnetic shield
12/15/1988WO1988010006A1 Vibration damping means for tension mask cathode ray tubes
12/13/1988US4791300 Miniature gamma camera
12/13/1988US4790786 Factory fixture frame for an in-process tension mask color cathode ray tube
12/08/1988DE3817567A1 Deflection yoke for CRT - has one tubular and one toroidal deflection coil assembly, former having two deflection coils on core
12/07/1988EP0293854A1 Electron gun system
12/07/1988EP0293650A1 Post-deflection acceleration and scan expansion electron lens system
12/07/1988EP0293470A1 Television image tube with composite front glass.
12/07/1988CN88103083A Method of mfg. an electron gun
12/07/1988CN88102928A 彩色显像管装置 Color picture tube
12/07/1988CN88101412A Shadow mask type colour picture tube
12/06/1988US4789807 Electron gun assembly having a reinforced heater tab
12/06/1988US4789806 Cathode ray tube deflection unit comprising means for compensating for misalignment of the line and field deflection coil systems
12/06/1988US4789805 For displaying color images
12/01/1988WO1988009561A1 Process and apparatus for the manufacture of cathode ray tubes having tension masks
11/1988
11/30/1988EP0292944A2 Color cathode ray apparatus provided with dynamic convergence means
11/29/1988US4788597 For reducing glare and radiation
11/29/1988US4788472 Fluoroescent display panel having indirectly-heated cathode
11/29/1988US4788470 Use on a cathode-ray tube
11/29/1988US4788094 Protective electroconductive, porous film shields electromagnetic waves; optical indicators; no static electricity
11/29/1988CA1245495A1 Low moire directional optical filter for crt displays
11/29/1988CA1245494A1 Light directing faceplate
11/24/1988DE3715474A1 Contact-making strip for an electrically conductive coating
11/23/1988EP0292152A2 Electron beam-addressed liquid crystal cell
11/23/1988EP0292073A1 X-ray image intensifier tube comprising an improved entrance window
11/23/1988EP0167537B1 Light valve
11/23/1988CN88102016A Method of forming thin film on outer surface of display screen of cathode ray tube
11/22/1988US4786973 Display system
11/22/1988US4786845 Cathode ray tube having an electron gun constructed for ready refocusing of the electron beam
11/22/1988US4786842 Resistor assembly
11/22/1988US4786840 Cathode-ray tube having a faceplate panel with a substantially planar periphery
11/22/1988US4786839 Multilayer, multiple colors
11/22/1988US4786838 For a cathode ray tube
11/22/1988CA1245344A1 Color display system and cathode-ray tube
11/17/1988EP0291121A1 Picture display device with stray field compensation means
11/15/1988US4785272 Electomagnetic deflection unit
11/15/1988US4785219 Cathode ray tube with improved deflection unit mounting
11/15/1988US4785217 Cathode ray tube with antistatic film on front panel
11/15/1988US4784627 Method of forming a glass layer onto a shadow mask
11/10/1988DE3714678A1 Video display terminal consisting of a monitor housing and a picture tube
11/09/1988EP0162971B1 Projection cathode ray tube and image display device provided with such a tube
11/09/1988CN88102402A Colour display tube having multi-part suspension means for colour selection electrode and mehtod for manufacturing colour display tube
11/08/1988US4783614 Front assembly for a color cathode-ray tube
11/08/1988US4783139 Streaking tube
11/02/1988EP0289090A1 Cathode ray tube
11/02/1988EP0289079A1 Colour display tube having a multipart suspension means for a colour selection electrode and method of manufacturing a colour display tube
11/02/1988EP0288982A2 Cathode ray tube
11/02/1988EP0288831A1 A shadow mask assembly of a color cathode ray tube
11/02/1988CN88102123A Colour picture tube with shadow mask
11/01/1988US4782264 Color picture device including convergence correcting magnetic plates
11/01/1988US4782263 Inline electron gun having at least one modified cathode assembly
11/01/1988US4782209 Interconnecting a glass or ceramic element and a metal element
10/1988
10/27/1988DE3711953A1 Cathode ray tube
10/26/1988EP0288095A1 Display device
10/26/1988EP0288094A1 Vacuum tube including an electron-optical system
10/26/1988EP0181373B1 Cathode ray tube
10/26/1988CN88102270A Display device including combination of display tube and deflection unit
10/26/1988CN88100893A Method for automatic measurement of convergence and for determination of corrections to be made in trichromatic cathode tube deflectors and machine for the application of this method
10/26/1988CN87102686A Correction device of diviation effect for a three-colour crt
10/25/1988US4780641 Color selective electrode of cathode ray tube
10/25/1988US4780640 Coolant of butanediol/1,3-/or mixture with glycerin or ethylene glycol
10/25/1988CA1243725A1 Getter assembly
10/19/1988EP0286849A2 Control disc for picture reproduction apparatuses
10/19/1988EP0187860B1 Cathode ray tube
10/19/1988CN88101861A Method and apparatus for mounting explosion-proof reinforcer on kinescope
10/18/1988US4779024 Deflection system for light valve projectors of the schlieren dark field type
10/18/1988US4779023 Component mounting means for a tension mask color cathode ray tube
10/18/1988US4778565 Method of forming panel type radiation image intensifier
10/12/1988EP0286484A1 Winding method for non-radial windings of a CRT deflector
10/12/1988EP0286189A1 Display device including a combination of a display tube and a deflection unit
10/12/1988EP0286188A1 Camera tube system and electron gun therefor