Videocolor

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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 2126
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183
 
  
 
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
5465026 Deflection yoke with a core extensionApr 01, 93Nov 07, 95[H01J]
5192898 Deflection yoke with ringing suppression meansJun 06, 91Mar 09, 93[H01J]
5159306 Deflection yoke liner with interconnectable sectionsNov 27, 91Oct 27, 92[H04N, H01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5306982 Field harmonic enhancer in a deflection yokeExpiredNov 27, 91Apr 26, 94[H01J, H01F]
5178906 Method of manufacturing a phosphor screen for a CRT using an adhesion-promoting, blister-preventing solutionExpiredNov 08, 91Jan 12, 93[B05D]
5108858 Method for making a viewing screen structure for CRTExpiredAug 13, 90Apr 28, 92[G03C]
5051276 Device for graphitization of the neck in cathode-ray tube conesExpiredJun 16, 89Sep 24, 91[B05C]
5023157 Method for the illumination of a color television mask tube screen, and device for implementation thereofExpiredMar 07, 89Jun 11, 91[H01M]
4990366 Method for the metallization of a luminescent screenExpiredOct 17, 88Feb 05, 91[B05D]
4985658 Front panel for color television tubesExpiredJul 25, 89Jan 15, 91[H01J]
4968082 Method for the automatic gripping of objects, enabling the preservation of at least one reference element related to it, and grip to implement said methodExpiredFeb 22, 89Nov 06, 90[B66C]
4954366 Method for the metallization of a luminescent screenExpiredOct 19, 88Sep 04, 90[B05D]
4940920 Device to shield mask cathode tubes from the earth's magnetic fieldExpiredNov 06, 87Jul 10, 90[H01J, H04N, H01F]
4925420 Method for the automatic measurement of convergence and for the determination of corrections to be made in trichromatic cathode tube deflectors and machine for the application of this methodExpiredFeb 11, 88May 15, 90[H01J, H01T]
4907999 Device for holding a substantially parallelepiped shaped part in positionExpiredNov 10, 88Mar 13, 90[H01J]
4898559 Machines for the implantation of cathodes in cathode-ray tube gunsExpiredJan 10, 89Feb 06, 90[H01J]
4896071 Method and device for setting the static convergence and/or purity of a color television tubeExpiredNov 12, 87Jan 23, 90[H01J]
4887988 Method for the mounting of a shadow mask in a trichromatic cathode tube and cathode tube comprising a shadow mask mounted according to this methodExpiredJan 25, 88Dec 19, 89[H01J]
4850920 Machine for inserting cathodes in cathode tube gunsExpiredMar 18, 88Jul 25, 89[H01J]
4846746 Method for the manufacture of vacuum tubes stemsExpiredNov 25, 87Jul 11, 89[H01J]
4846748 Cathode-inserting machine for cathode-ray tubeExpiredJun 01, 88Jul 11, 89[H01J]
4839568 Magnetic deflector for trichromatic tube with shield and method to set this deflectorExpiredSep 28, 87Jun 13, 89[H01J]
4825119 Low consumption electron gun for cathode ray tubesExpiredDec 15, 86Apr 25, 89[H01J]

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