Thomson Tubes and Displays, S.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 9119
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 3148
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5621287 Flexible auxiliary deflection coilJan 05, 96Apr 15, 97[H04N, G09G]
5592045 Auxiliary coil fastener in a deflection yokeJun 05, 95Jan 07, 97[H01J, H01F, H01H]
5589729 Deflection yoke liner with support ridgesJun 05, 95Dec 31, 96[H01J]
5557165 Deflection yoke attachment arrangementJun 05, 95Sep 17, 96[H01J]
5528211 Magnetic focusing deviceOct 21, 94Jun 18, 96[H01J, H01F]
5469017 Permanent magnet focus unit with integral astigmatism correctorMar 22, 93Nov 21, 95[H01J]
5455483 Deflection yoke with a pair of magnets near its minor axisFeb 17, 94Oct 03, 95[H01F]
5430349 Color picture tube having an inline electron gun with three astigmatic lensesSep 24, 93Jul 04, 95[H01J]
5408159 Deflection yoke with a forked shuntFeb 17, 94Apr 18, 95[H01J]
5397969 Magnetic focusing device for cathode ray tubesNov 09, 92Mar 14, 95[H01J, G09G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6462487 Method of operating a cathode-ray tube electron gunExpiredAug 21, 00Oct 08, 02[G09G]
6373180 Deflection yoke for a cathode-ray tube with both improved geometry and convergenceExpiredDec 15, 99Apr 16, 02[H01J]
6369494 Cathode structure and electron gun for cathode ray tubesExpiredOct 04, 99Apr 09, 02[M01J]
6300730 Electron beam deflection system for cathode ray tubesExpiredApr 12, 99Oct 09, 01[G09G]
6150910 Deflection yoke with geometry distortion correctionExpiredJun 10, 99Nov 21, 00[H01F]
6107904 Asymmetry forming arrangement in a deflection windingExpiredApr 16, 99Aug 22, 00[H01F]
6084490 Saddle shaped deflection winding having a winding space within a predetermined angular rangeExpiredJun 10, 99Jul 04, 00[H01F]
6072271 Inline electron gun having improved beam forming regionExpiredMay 01, 95Jun 06, 00[H01J]
6072379 Saddle shaped deflection winding having winding spaces in the rearExpiredJun 10, 99Jun 06, 00[H01F]
6069546 Saddle shaped deflection winding having a winding spaceExpiredJun 10, 99May 30, 00[H01F]
5944571 Method of making color picture tubes having a mix of electron gunsExpiredAug 07, 97Aug 31, 99[F23Q]
5923117 Deflection yoke securing deviceExpiredApr 22, 97Jul 13, 99[H01J]
5900693 Deflection yoke with saddle-shaped vertical deflection coilsExpiredDec 05, 96May 04, 99[H01J]
5877587 Inline electron gun having improved expanded focus lens electrodesExpiredMay 01, 95Mar 02, 99[H01J]
5847503 Electron beam deflection device for cathode ray tubes which is self convergent and geometry correctedExpiredOct 02, 97Dec 08, 98[H01J, H01F, H01H]
5818159 Electron beam deflection system for a cathode ray tubeExpiredFeb 26, 97Oct 06, 98[H01J]
5780959 Cathode structure for cathode ray tubeExpiredDec 03, 96Jul 14, 98[H01J]
5408163 Self converging wide screen color picture tube systemExpiredOct 19, 92Apr 18, 95[H01J]
5381079 Low power consumption dynamic focusing circuitExpiredJan 06, 93Jan 10, 95[H01J]

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