EXAR CORPORATION

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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 4358
 
  
 
H03K PULSE TECHNIQUE 3695
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2091
 
  
 
H03F AMPLIFIERS 1568
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 1367
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 12435
 
  
 
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 1191
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 968
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 954
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 7278

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9829356 Method and apparatus for multi-channel sensor interface with programmable gain, offset and biasJun 20, 16Nov 28, 17[G01D]
9020087 All digital burst-mode clock and data recovery (CDR)May 15, 13Apr 28, 15[H03L, H04L]
8867682 Dejitter (desynchronize) technique to smooth gapped clock with jitter/wander attenuation using all digital logicAug 30, 10Oct 21, 14[H04L, H04J]
8868674 Streaming and bulk data transfer transformation with context switchingFeb 08, 12Oct 21, 14[G06F]
8810981 Sequential electrostatic discharge (ESD)-protection employing cascode NMOS triggered structureJun 29, 12Aug 19, 14[H01L, H02H]
8536842 Sensorless self-tuning digital current programmed mode (CPM) controller with multiple parameter estimation and thermal stress equalizationMar 03, 11Sep 17, 13[G05F]
8525502 Digital pulse-frequency modulation controller for switch-mode power supplies with frequency targeting and ultrasonic modesMar 02, 11Sep 03, 13[G05F]
8476882 Reference voltage based equivalent series resistance (ESR) emulation for constant on-time (COT) control of buck regulatorsSep 30, 10Jul 02, 13[G05F]
8362756 Digital boost feedback voltage controller for switch-mode power supplies using pulse-frequency modulationDec 21, 10Jan 29, 13[G05F]
8274264 Digital control method for improving heavy-to-light (step down) load transient response of switch mode power suppliesFeb 19, 10Sep 25, 12[G05F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0222,420 ALL DIGITAL BURST-MODE CLOCK AND DATA RECOVERY (CDR)AbandonedApr 14, 15Aug 06, 15[H04L]
2014/0117,878 MERGED-STAGE HIGH EFFICIENCY HIGH POWER FACTOR HB-LED DRIVER WITHOUT ELECTROLYTIC CAPACITORAbandonedMay 15, 13May 01, 14[H05B]
2013/0205,071 COMPRESSED CACHE STORAGE ACCELERATIONAbandonedAug 17, 12Aug 08, 13[G06F]
2013/0038,377 POOLED-RESOURCE ARCHITECTURE WITH ASYNCHRONOUS PACKET-BASED COMMUNICATIONAbandonedAug 12, 11Feb 14, 13[H03K]
2013/0004,169 EFFICIENT METHOD TO EXTRACT A LOWER ORDER (LO) OPTICAL CHANNEL DATA UNIT (ODU)j SIGNAL FROM HIGHER ORDER (HO) OPTICAL CHANNEL TRANSPORT UNIT (OTU)k SIGNALAbandonedJun 30, 11Jan 03, 13[H04J]
2012/0326,278 METHOD TO SOLVE POTENTIAL YIELD LOSS DUE TO METAL MIGRATION TO WIRE ROUTING NETS FROM FIDUCIARY MARKS ON PRODUCT DURING CHEMICAL-MECHANICAL-POLISHING (CMP) PLANARIZATION PROCESSING STEPSAbandonedJun 23, 11Dec 27, 12[H01L, G06F, B32B]
2012/0327,786 METHOD FOR MAPPING GENERIC CLIENT SIGNALS INTO A GENERIC FRAMING PROCEDURE (GFP) PATHAbandonedJun 23, 11Dec 27, 12[H04L]
2012/0327,952 ETHERNET TAG APPROACH TO SUPPORT NETWORKING TASK OFFLOADAbandonedJun 23, 11Dec 27, 12[H04L]
2012/0327,956 FLOW COMPRESSION ACROSS MULTIPLE PACKET FLOWSAbandonedMay 25, 12Dec 27, 12[H04L]
2012/0327,958 METHOD FOR REMOTE DEVICE PROVISIONING AND INSERTION/EXTRACTION OF OVERHEAD/EOAM DATA FOR VARIOUS PROTOCOLSAbandonedJun 23, 11Dec 27, 12[H04J]
2012/0328,288 METHOD FOR AGGREGATING MULTIPLE CLIENT SIGNALS INTO A GENERIC FRAMING PROCEDURE (GFP) PATHAbandonedJun 23, 11Dec 27, 12[H04J]
2012/0331,176 METHOD FOR TRANSPORT AND RECOVERY OF CLIENT CLOCKING ACROSS ASYNCHRONOUS SERVER NETWORKSAbandonedJun 24, 11Dec 27, 12[G06F]
2012/0223,849 SET-POINT RESOLUTION IMPROVEMENT FOR SWITCH MODE POWER SUPPLIESAbandonedMar 03, 11Sep 06, 12[H03M]
2012/0185,612 APPARATUS AND METHOD OF DELTA COMPRESSIONAbandonedJan 19, 11Jul 19, 12[G06F]
8189591 Methods, systems and computer program products for packet ordering for parallel packet transform processingExpiredOct 30, 01May 29, 12[H04L]
2012/0106,568 COMMUNICATIONS SYSTEMS WITH SCAN TABLE IDENTIFICATIONAbandonedApr 28, 11May 03, 12[H04L]
7908508 Low power method of responsively initiating fast response to a detected change of conditionExpiredMay 16, 09Mar 15, 11[G06F]
7873045 Generating an encapsulating header based on encapsulated information provided at protocol-dependent locationsExpiredSep 15, 03Jan 18, 11[H04L, G06F]
7814376 Method and apparatus for frame delineationExpiredMar 01, 04Oct 12, 10[G06F]
2010/0156,482 MEANS TO DETECT A MISSING PULSE AND REDUCE THE ASSOCIATED PLL PHASE BUMPAbandonedNov 24, 09Jun 24, 10[H03L]

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