WOLFSON MICROELECTRONICS PLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03F AMPLIFIERS 182

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9019012 Amplifier circuit with offset controlNov 14, 12Apr 28, 15[H03F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8957731 Amplifier circuit with offset controlWithdrawnNov 14, 12Feb 17, 15[H03F]
2012/0148,061 EARPHONEAbandonedDec 13, 10Jun 14, 12[G10K, H04R]
2012/0151,394 USER INTERFACEAbandonedDec 10, 10Jun 14, 12[G06F]
2011/0303,994 MEMS DEVICE AND PROCESSAbandonedFeb 12, 10Dec 15, 11[H01L]
2011/0286,606 METHOD AND SYSTEM FOR NOISE CANCELLATIONAbandonedFeb 18, 10Nov 24, 11[G10K]
2011/0164,757 PINNA SIMULATORAbandonedJul 23, 09Jul 07, 11[H04R]
2011/0062,535 MEMS TRANSDUCERSAbandonedMay 07, 09Mar 17, 11[H01L]
2011/0042,762 MEMS PACKAGEAbandonedAug 15, 08Feb 24, 11[H01L]
2011/0018,623 INTEGRATED CIRCUIT PACKAGEAbandonedJul 22, 10Jan 27, 11[H01L]
2011/0022,204 AUDIO CIRCUITAbandonedJul 20, 10Jan 27, 11[G06F]
2011/0022,864 REAL-TIME CLOCKAbandonedJul 22, 10Jan 27, 11[G06F]
2010/0315,097 AMPLIFIER CIRCUITAbandonedDec 23, 08Dec 16, 10[G01R]
7849245 Bus-based communication systemExpiredMay 17, 07Dec 07, 10[G06F]
2010/0303,256 NOISE CANCELLATION SYSTEM WITH SIGNAL-TO-NOISE RATIO DEPENDENT GAINAbandonedDec 15, 08Dec 02, 10[H04B]
7756164 Distributing a timing reference over a communications busExpiredMay 17, 07Jul 13, 10[H04J]
2010/0166,227 CIRCUITS FOR BIASING/CHARGING HIGH IMPEDANCE LOADSAbandonedDec 30, 09Jul 01, 10[H02J, H04R]
2010/0167,430 APPARATUS AND METHOD FOR TESTING A TRANSDUCER AND/OR ELECTRONIC CIRCUITRY ASSOCIATED WITH A TRANSDUCERAbandonedDec 30, 09Jul 01, 10[H01L, G01R]
2010/0105,447 AMBIENT NOISE REDUCTIONAbandonedJan 23, 08Apr 29, 10[H04M, G10K]
2010/0080,400 EAR-WORN SPEAKER-CARRYING DEVICESAbandonedFeb 06, 08Apr 01, 10[G10K]
2010/0061,564 AMBIENT NOISE REDUCTION SYSTEMAbandonedFeb 06, 08Mar 11, 10[G10K]

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