Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
10/1991
10/16/1991CN1014375B Colour display tube
10/15/1991US5057929 Cathode ray tube having implosion band with raised tabs and method
10/15/1991US5057912 Cathode-ray tube with interference filter and projection television system employing same
10/15/1991US5057738 Low power loss ower loss, permeability
10/15/1991US5057737 Color picture tube mask frame
10/15/1991US5057134 Process for producing a glass article protected from coloring by electron rays
10/09/1991EP0450134A1 Anti-dazzling and electrostatic charge-preventive transparent coating material, method thereof and video display coated therewith
10/09/1991CN1014285B Electronic gun for colour display tube apparatus
10/09/1991CN1014284B Method for mfg. an electron gun
10/08/1991US5055934 Implosion protection means having mounting lug base-accommodating concavities therein
10/08/1991US5055749 Self-convergent electron gun system
10/08/1991US5055737 Luminescent screen
10/08/1991US5055736 Shadow mask for use in a three-gun color picture tube
10/08/1991US5055227 Fluorescent composition for low velocity electron beam excitation
10/03/1991WO1991015039A1 Releasable connector assembly for cathode ray tube
10/02/1991EP0449361A1 Method of manufacturing a cathode ray tube
10/02/1991EP0448626A1 Dispersed systems and method of manufacture.
10/02/1991DE4109232A1 Washing etched oxysulphide phosphor - with methyl pyrrolidone to remove elementary sulphur
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
10/02/1991CN1055079A Color picture tube having improved corner support for shadow mask-frame assembly
10/01/1991US5053880 Implosion-resistant cathode-ray tube with mounting lug having a curved shoulder projection
10/01/1991US5053674 Tensioned foil shadow mask mounting
10/01/1991US5052776 Optical waveguide and an image sensor using the same
10/01/1991CA1290005C Mounting sleeve for video apparatus deflection yoke
09/1991
09/25/1991EP0448401A2 A shadow mask type cathode ray tube
09/25/1991EP0447603A2 Antistatic coating composition, manufacturing process thereof and antistatic and non-glare picture displaying screen utilizing the coating composition
09/25/1991EP0447554A1 Method of producing a color luminescent screen
09/25/1991CN1054782A Antistatic coating composition, manufacturing process thereof and antistatic and non-glaring picture displaying screen utlizing coating composition
09/25/1991CN1014105B Color cathode-ray tube having deflection yoke
09/24/1991USRE33698 Color cathode ray tube having a faceplate-mounted support structure with a welded-on high-tension foil shadow mask
09/24/1991US5051652 Panel with anti-reflective multi-layered film thereon
09/19/1991DE4107766A1 Cathode ray tube for computer monitoring - has metal band connection between tube and chassis to reduce electromagnetic noise
09/19/1991DE4008393A1 Screening display screen from HF fields - with earthed conductive grid in transparent sealing cpd. holding protective panel in front of screen
09/18/1991EP0447238A1 Proximity image intensifier
09/18/1991EP0447139A2 Colour cathode-ray tube
09/18/1991EP0447078A2 Method of electrophotographically manufacturing a luminescent screen assembly for a CRT
09/18/1991EP0447061A2 Image intensifiers
09/18/1991EP0446878A2 Image display element
09/18/1991EP0446792A2 Colour picture tube having shadow mask-frame assembly support
09/18/1991EP0446501A1 Reducing magnetic radiation extending outside CRT display apparatus
09/18/1991CN1054695A Colour plate indicator
09/17/1991US5049847 Deflection yoke with auxiliary coils for stray line radiation suppression
09/17/1991US5049792 Circuit for stabilizing high voltage according to the change of horizontal oscillating frequency
09/17/1991US5049778 Mask support structure for tension mask color cathode ray tubes
09/11/1991EP0446041A2 Electronic fluorescent display system
09/11/1991EP0446038A2 Non-moire shielded window
09/11/1991EP0445956A2 Electron tube cathode
09/11/1991EP0445815A1 Method of manufacturing color cathode ray tube apparatus
09/11/1991EP0445686A2 Display device
09/11/1991EP0445440A1 Shadow mask colour display tube
09/11/1991EP0445324A1 X-ray image intensifier with an electrode system
09/11/1991EP0445298A1 Color cathode-ray tube
09/10/1991US5047684 Mask support structure for tension mask color cathode ray tubes
09/10/1991US5047624 Method of manufacturing and X-ray image intensifier
09/07/1991CA2036868A1 Non-moire shielded window
09/05/1991WO1991013124A1 Process for producing rare earth oxysulfide phosphor
09/05/1991DE4105504A1 Lightweight CRT - with image screen glass layers of different X=ray absorption coefficients
09/04/1991CN1054331A Color picture tube having inline electron gun with astigmatic prefocusing lens
09/04/1991CN1013818B Envelope for colour cathode ray tube
09/04/1991CN1013817B Electron gun of colour kinescope
09/03/1991US5045751 Cathode ray tube of improved breakdown voltage characteristic
09/03/1991US5045750 Color picture tube having a phosphor screen with a semitransparent black light absorption
09/03/1991US5045706 Fluorescent screen
09/03/1991US5045682 X-ray image intensifier having columnar crystals having a cross section decrease as it goes towards the edge
08/1991
08/28/1991EP0443657A1 Cathode ray tube and display device
08/28/1991EP0443582A2 Color picture tube having an inline electron gun with an astigmatic prefocusing lens
08/27/1991US5043823 Cathode ray tube focus coil alignment and assembly arrangement
08/27/1991US5043625 Spherical aberration-corrected inline electron gun
08/27/1991CA1288128C Cathode ray tube having a blue luminescing zinc sulphide
08/26/1991EP0459984A4 Active shadow mask color crt.
08/22/1991WO1991012345A1 Thin sheet of iron-nickel alloy for shadow mask and production thereof
08/21/1991EP0442571A1 Display tube comprising an electron gun with a focusing lens of the helical type
08/21/1991CN1053970A Cathode-ray tube
08/21/1991CN1053969A High-resolution colour kinescope
08/21/1991CN1053968A Electron gun and cathode-ray tube
08/21/1991CN1013626B Colour cathode ray tube having in-line electron gun
08/21/1991CN1013625B Colour display tube and method for manufacturing same
08/20/1991US5041756 Color picture tube having a tensioned shadow mask and support frame assembly
08/20/1991US5041334 Pigment-attached phosphor
08/19/1991EP0461205A4 Electron gun with reduced-movement of cross-over point at increased beam current levels, and methods of operating same.
08/14/1991EP0441486A2 Electron gun and cathode-ray tube
08/14/1991DE4104229A1 Electron beam convergence system - has magnetic fields produced to correct beams vertically and horizontally
08/14/1991CN1053862A Voltage supplying method in multistep focusing type electron gun
08/14/1991CN1013535B Color television tube with low power consumption deflecter
08/14/1991CN1013534B Correction device of diviation effect for a three colour crt
08/13/1991US5039923 Focus adjusting device for projection display
08/13/1991US5039922 CRT deflection yoke with ringing suppression
08/13/1991US5039911 Apparatus for dynamic magnetic field control
08/13/1991US5039907 Anti-glare
08/13/1991US5039906 Electron gun for color cathode ray tube
08/08/1991EP0448626A4 Dispersed systems and method of manufacture.
08/07/1991EP0440234A2 Electron gun structure for color picture tubes
08/07/1991EP0439884A1 Shadow mask frame for prevention of halation
08/07/1991CN1053711A Protecting base for connecting pin of cathode ray tube
08/07/1991CN1053710A Shadow mask frame assembly for color cathode ray tube
08/07/1991CN1053709A Shadow mask frame for prevention of halation
08/07/1991CN1053708A Aging method for cathode ray tube
08/06/1991US5038075 Traveling-wave deflection system in a cathode-ray tube with conducting core on helical conductor.