ALCATEL BELL-SDT S.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5444358 Power supply shunt regulator with current limitation circuit thereinMar 04, 94Aug 22, 95[G05F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5537021 Low-loss resonant circuit for capacitance driverExpiredNov 09, 94Jul 16, 96[H03H]
5453923 AC current detector and power supply circuitExpiredAug 26, 92Sep 26, 95[H02M, H02H]
4413281 Method for simultaneous teletext and analog signal transmissionExpiredJun 26, 81Nov 01, 83[H04N]

Top Inventors for This Owner

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