DSP GROUP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 12273
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 643
 
  
 
H04B TRANSMISSION 6204
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 5442
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION355
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 295
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 269
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 278
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2109
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 2105

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9596534 Equalization and power control of bone conduction elementsDec 30, 13Mar 14, 17[H04R]
9124965 Adaptive system for managing a plurality of microphones and speakersNov 07, 13Sep 01, 15[H04R]
8705384 Remote control of transmitter-side rate adaptationMay 19, 10Apr 22, 14[H04L, H04W, H04J]
8675884 Method and a system for processing signalsMay 24, 09Mar 18, 14[G10K]
7738600 Digital phase locked loopAug 20, 07Jun 15, 10[H04L, H03D]
7626467 Automatic level control for radio frequency amplifiersAug 22, 07Dec 01, 09[H03L]
7610019 Apparatus and method for dynamic diversity based upon receiver-side assessment of link qualityJun 08, 06Oct 27, 09[H04B]
7555512 RAM-based fast fourier transform unit for wireless communicationsAug 30, 02Jun 30, 09[G06F]
7526050 CCK demodulation via symbol decision feedback equalizerJun 12, 03Apr 28, 09[H03D]
7499963 Complex filter with higher order poleDec 10, 04Mar 03, 09[G06G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0363,003 INDICATION OF QUALITY FOR PLACEMENT OF BONE CONDUCTION TRANSDUCERSAbandonedJun 09, 14Dec 11, 14[H04R]
2014/0363,008 USE OF VIBRATION SENSOR IN ACOUSTIC ECHO CANCELLATIONAbandonedMay 19, 14Dec 11, 14[G10K, H04R]
2014/0364,171 METHOD AND SYSTEM FOR IMPROVING VOICE COMMUNICATION EXPERIENCE IN MOBILE COMMUNICATION DEVICESAbandonedFeb 25, 13Dec 11, 14[H04M]
2014/0365,225 ULTRA-LOW-POWER ADAPTIVE, USER INDEPENDENT, VOICE TRIGGERING SCHEMESAbandonedJan 14, 14Dec 11, 14[G10L]
2014/0072,146 OPTICAL MICROPHONE AND METHOD FOR DETECTING BODY CONDUCTED SOUND SIGNALSAbandonedSep 13, 12Mar 13, 14[H04R]
7099267 Enhanced frequency domain equalization in OFDM communicationExpiredMar 29, 02Aug 29, 06[H04J]
6915322 Multiplier capable of multiplication of large multiplicands and parallel multiplications of small multiplicandsExpiredJun 04, 01Jul 05, 05[G06F]
2004/0036,655 Multi-layer antenna structureAbandonedMar 20, 03Feb 26, 04[H01Q]
6597246 Methods and apparatus for alteration of terminal counts of phase-locked loopsExpiredMay 14, 01Jul 22, 03[H03L]
2003/0114,129 System and method for a radio frequency receiver front end utilizing a balun to couple a low-noise amplifier to a mixerAbandonedDec 17, 01Jun 19, 03[H04B]
2003/0053,568 State metric rescaling for Viterbi decodingAbandonedSep 06, 02Mar 20, 03[H04L, H03M, H03D]
5288017 Collapsible spreaderExpiredDec 08, 92Feb 22, 94[A01C]
5012519 Noise reduction systemExpiredJan 05, 90Apr 30, 91[G10L]
4959865 A method for indicating the presence of speech in an audio signalExpiredFeb 03, 88Sep 25, 90[G10L]
4864620 Method for performing time-scale modification of speech information or speech signalsExpiredFeb 03, 88Sep 05, 89[G10L]

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