FAIRFIELD SEMICONDUCTOR

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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 397
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1101
 
  
 
H03F AMPLIFIERS 182
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5943227 Programmable synchronous step down DC-DC converter controllerJun 26, 96Aug 24, 99[H02M, G05F]
5929705 CMOS rail-to-rail input/output amplifierApr 15, 97Jul 27, 99[H03F]
5905370 Programmable step down DC-DC converter controllerMay 06, 97May 18, 99[G05F]
5901350 Low distortion large swing frequency down coverter filter amplifier circuitSep 30, 96May 04, 99[H04B]
5864225 Dual adjustable voltage regulatorsJun 04, 97Jan 26, 99[H02J, G05F]
5842155 Method and apparatus for adjusting pin driver charging and discharging currentMay 03, 93Nov 24, 98[G01R]
5805238 Adaptive notch filter for removing residual subcarrier from component videoMay 14, 96Sep 08, 98[H04N]
5786866 Video color subcarrier signal generatorOct 15, 96Jul 28, 98[H04N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6281873 Video line rate vertical scalerExpiredOct 09, 97Aug 28, 01[H04N, G09G]
5966046 Large swing wide band programmable active filterExpiredOct 29, 97Oct 12, 99[H03K, H03F]
5796303 Popless amplifierExpiredJun 26, 96Aug 18, 98[H03G]

Top Inventors for This Owner

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