GCT Semiconductor, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 18192
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 742
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 773
 
  
 
H03F AMPLIFIERS 578
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 5280
 
  
 
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 459
 
  
 
H03G CONTROL OF AMPLIFICATION 448
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H03K PULSE TECHNIQUE 2129

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9473186 Method of controlling receiver gain automatically and apparatus for automatic gain control in receiverOct 17, 14Oct 18, 16[H04B, H03F, H03G]
9231632 Apparatus for interference cancellation in MIMO receiver, method for interference cancellation in MIMO receiver and MIMO receiverMay 28, 14Jan 05, 16[H04L, H04B, H04J]
9065703 Receiver using impedance shapingOct 22, 13Jun 23, 15[H04L, H04B, H03F]
9014289 Transmission method for dual digital signal through single antenna, transmitter for dual digital signal through single antenna and receiving method for dual digital signal through single antennaOct 28, 13Apr 21, 15[H04L, H04B]
8583064 Receiver for estimating and compensating for in-phase/quadrature mismatchOct 13, 11Nov 12, 13[H04B]
8243579 OFDM receiving circuit having multiple demodulation paths using oversampling analog-to-digital converterOct 29, 07Aug 14, 12[H04J]
8229028 Apparatus for measuring IQ imbalanceFeb 20, 08Jul 24, 12[H04K]
8018990 Apparatus for measuring in-phase and quadrature (IQ) imbalanceFeb 07, 08Sep 13, 11[H04B]
7995645 Apparatus for measuring in-phase and quadrature (IQ) imbalanceFeb 07, 08Aug 09, 11[H04B]
7952435 Phase locked loop and method for compensating temperature thereofOct 29, 07May 31, 11[H03L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0111,509 METHOD OF GENERATING GAIN COMBINATION OF PRE-AMPLIFIER IN TRANSMITTER OF MOBILE COMMUNICATION SYSTEM, METHOD OF CONTROLLING OUTPUT POWER OF TRANSMITTER OF MOBILE COMMUNICATION SYSTEM IN TRANSMITTER MANUFACTURING PROCESS, AND SYSTEM FOR CONTROLLING OUTPUT POWER OF TRANSMITTER OF MOBILE COMMUNICATION SYSTEM IN TRANSMITTER MANUFACTURING PROCESSAbandonedOct 22, 14Apr 23, 15[H04B]
2008/0253,470 OFDM receiving circuit having multiple demodulation pathsAbandonedOct 29, 07Oct 16, 08[H04L]
2008/0025,262 Method for performing handoff from WiBro(WIMAX) service to wireless LAN service and terminal apparatus using the same titleAbandonedJul 27, 07Jan 31, 08[H04Q]
2008/0026,695 Method and system for transmitting voice data by using wireless LAN and bluetoothAbandonedJul 27, 07Jan 31, 08[H04Q, H04B]
2007/0222,650 Serial interface circuit and apparatus including serial interface circuitAbandonedMar 15, 07Sep 27, 07[H03M]
2007/0015,479 Integrated wireless receiver and a wireless receiving method thereofAbandonedNov 14, 05Jan 18, 07[H04B]
2005/0045,987 Integrated circuit package having inductance loop formed from same-pin-to-same-bonding-pad structureAbandonedAug 27, 04Mar 03, 05[H01L]
2004/0087,296 Radio receiver and method for AM suppression and DC-offset removalAbandonedOct 22, 03May 06, 04[H04B]

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