SIGMATEL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 19428
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1596
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 595
 
  
 
H03K PULSE TECHNIQUE 5126
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 5280
 
  
 
G11C STATIC STORES 4147
 
  
 
H04B TRANSMISSION 4206
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8117354 Automatically disabling input/output signal processing based on the required multimedia formatMay 27, 08Feb 14, 12[G06F]
8102959 Digital audio processing system and methodApr 22, 11Jan 24, 12[H04L]
8014723 Wireless transceiver and method for use therewithMar 23, 07Sep 06, 11[H04M, H04B]
7991356 Wireless handset and wireless headset with wireless transceiverMar 23, 07Aug 02, 11[H04M, H04B]
7953196 Digital audio processing system and methodSep 30, 10May 31, 11[H04L]
7908021 Method and apparatus for processing content dataNov 02, 00Mar 15, 11[G06F]
7876911 Headphone driver and methods for use therewithMar 27, 06Jan 25, 11[H04R]
7873425 System and method of processing compressed audio dataAug 07, 06Jan 18, 11[G06F]
7861206 System-on-a-chip for processing multimedia data and applications thereofSep 10, 07Dec 28, 10[G06F]
7831001 Digital audio processing system and methodDec 19, 06Nov 09, 10[H04L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0109,074 AUDIO SOURCE SYSTEM AND METHODAbandonedDec 20, 13Apr 17, 14[G06F]
8639370 Audio source system and methodExpiredMay 13, 11Jan 28, 14[H04R, G06F]
7543186 System and method for implementing software breakpointsExpiredSep 13, 04Jun 02, 09[G06F]
2009/0086,104 MULTIMEDIA SOC WITH ADVANCED JACK SENSE APPLICATIONSAbandonedSep 28, 07Apr 02, 09[H04N, H03M, G06F]
2008/0189,479 Device, system and method for controlling memory operationsAbandonedFeb 02, 07Aug 07, 08[G06F]
2008/0120,436 Expansion Peripheral Techniques for Portable Audio PlayerAbandonedJan 30, 08May 22, 08[G06F]
2008/0100,224 System on a chip with backlight controllerAbandonedMay 01, 07May 01, 08[H05B]
2008/0097,632 Handheld device, integrated circuit and methods for playing sponsor information with the playback of program contentAbandonedOct 06, 06Apr 24, 08[G06F]
2007/0268,905 Non-volatile memory error correction system and methodAbandonedMay 18, 06Nov 22, 07[H04L]
2007/0177,741 Batteryless noise canceling headphones, audio device and methods for use therewithAbandonedJan 31, 06Aug 02, 07[A61F, G10K, H04R]
7245247 Analog to digital signal converter having sampling circuit with divided integrating capacitanceExpiredFeb 16, 06Jul 17, 07[H03M]
2007/0123,314 Low power mode for a multiple function handheld deviceAbandonedNov 30, 05May 31, 07[H04B]
2007/0117,549 Wireless handset and methods for use therewithAbandonedOct 06, 05May 24, 07[H04M, H04Q]
2007/0117,553 Wireless handset and methods for use therewithAbandonedOct 06, 05May 24, 07[H04L, H04Q]
2007/0117,554 Wireless handset and methods for use therewithAbandonedOct 06, 05May 24, 07[H04L, H04Q]
2007/0098,188 Equalization setting determination for audio devicesAbandonedNov 02, 05May 03, 07[H03G]
2007/0100,893 System and method for accessing data from a memory deviceAbandonedOct 31, 05May 03, 07[G06F]
2007/0089,023 System and method for system resource accessAbandonedSep 30, 05Apr 19, 07[H03M]
2007/0083,713 System on a chip integrated circuit, processing system and methods for use therewithAbandonedOct 11, 05Apr 12, 07[G06F]
2007/0076,478 System and method of memory block managementAbandonedSep 30, 05Apr 05, 07[G11C]

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