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Class Information
Number: 375/344
Name: Pulse or digital communications > Receivers > Automatic frequency control
Description: Subject matter where a receiver frequency response characteristic is set or adjusted in response to frequency changes in the input signal or charges in the receiver parameters.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7499507 |
Synchronization module using a Viterbi slicer for a turbo decoder |
Mar. 3, 2009 |
| 7496160 |
Frequency offset detection processing system and frequency offset detection processing method using the same |
Feb. 24, 2009 |
| 7496161 |
Adaptive equalization system for a signal receiver |
Feb. 24, 2009 |
| 7489660 |
Circuit for preventing signal quality degradation in CDMA system and method thereof |
Feb. 10, 2009 |
| 7483498 |
Frequency content separation using complex frequency shifting converters |
Jan. 27, 2009 |
| 7480350 |
Carrier recovery apparatus and broadcasting receiver using the same |
Jan. 20, 2009 |
| 7477707 |
Computationally efficient demodulation for differential phase shift keying |
Jan. 13, 2009 |
| 7477170 |
Sample rate converter system and method |
Jan. 13, 2009 |
| 7474717 |
Oscillator frequency control |
Jan. 6, 2009 |
| 7474718 |
Frequency control for a mobile communications device |
Jan. 6, 2009 |
| 7471937 |
System and method for inverting automatic frequency control (AFC) |
Dec. 30, 2008 |
| 7466140 |
Signal generation circuit, jitter injection circuit, semiconductor chip and test apparatus |
Dec. 16, 2008 |
| 7466776 |
Automatic gain control method and apparatus in communication system having discontinuous transmission mode |
Dec. 16, 2008 |
| 7460624 |
Method and system of reducing collisions in an asynchronous communication system |
Dec. 2, 2008 |
| 7457347 |
Method and apparatus for estimating and correcting baseband frequency error in a receiver |
Nov. 25, 2008 |
| 7453962 |
Adaptive frequency control apparatus and method thereof |
Nov. 18, 2008 |
| 7447262 |
Adaptive blind start-up receiver architecture with fractional baud rate sampling for full-duplex multi-level PAM systems |
Nov. 4, 2008 |
| 7447483 |
Radio apparatus and a method for reducing interference in a radio apparatus |
Nov. 4, 2008 |
| 7447277 |
Ofdm demodulation device |
Nov. 4, 2008 |
| 7443935 |
Apparatus and method for dynamically adjusting receiver bandwidth |
Oct. 28, 2008 |
| 7440525 |
Dynamic range signal to noise optimization system and method for receiver |
Oct. 21, 2008 |
| 7436903 |
Multicarrier transmitter and method for transmitting multiple data streams with cyclic delay diversity |
Oct. 14, 2008 |
| 7433657 |
Apparatus and method for dynamically clocking a loop filter in a digital communications device |
Oct. 7, 2008 |
| 7428270 |
Method and system for detecting and classifying the modulation of unknown analog and digital telecommunications signals |
Sep. 23, 2008 |
| 7424278 |
Low IF mixer with improved selectivity performance |
Sep. 9, 2008 |
| 7421042 |
Carrier tracking loop lock detector |
Sep. 2, 2008 |
| 7421013 |
Maximum likelihood estimation of time and frequency offset for OFDM systems |
Sep. 2, 2008 |
| 7418061 |
Receiver having decisional feedback equalizer with remodulation and related methods |
Aug. 26, 2008 |
| 7412010 |
Frequency correction in a mobile radio receiver using an analogue and a digital control loop |
Aug. 12, 2008 |
| 7412013 |
Start-up automatic frequency control (AFC) method and apparatus |
Aug. 12, 2008 |
| 7409198 |
Wideband variable gain amplifier in an ultra wideband receiver |
Aug. 5, 2008 |
| 7406304 |
Electronic component with integrated tuning device, allowing the decoding of digital terrestrial or cable television signals |
Jul. 29, 2008 |
| 7402821 |
Application of digital frequency and phase synthesis for control of electrode voltage phase in a high-energy ion implantation machine, and a means for accurate calibration of electrode voltage |
Jul. 22, 2008 |
| 7391836 |
System and method for synchronous clock re-generation from a non-synchronous interface |
Jun. 24, 2008 |
| 7392450 |
Method and apparatus of compensating for signal receiving error at receiver in packet-based communication system |
Jun. 24, 2008 |
| 7391823 |
Digital broadcasting receiver |
Jun. 24, 2008 |
| 7386067 |
Frequency offset cancellation circuit for data determination in wireless communications |
Jun. 10, 2008 |
| 7386072 |
Orthogonal frequency division multiplexing (OFDM) system with channel transfer function prediction |
Jun. 10, 2008 |
| 7386073 |
Automatic frequency control device and method of QPSK modulation system |
Jun. 10, 2008 |
| 7382257 |
Single RF oscillator single-side band modulation for RFID readers with frequency translation and filtering |
Jun. 3, 2008 |
| 7376205 |
Device and method for compensation of transmission line distortion |
May. 20, 2008 |
| 7376194 |
Method and apparatus for compensating for residual frequency offset in an OFDM system |
May. 20, 2008 |
| 7366262 |
Frequency estimation method of MB-OFDM UWB system using time frequency hopping strategy |
Apr. 29, 2008 |
| 7352831 |
Digital frequency measurement system and method with automatic frequency control |
Apr. 1, 2008 |
| 7346133 |
Automated frequency compensation for remote synchronization |
Mar. 18, 2008 |
| 7340622 |
Method and apparatus for selectively increasing the operating speed of an electronic circuit |
Mar. 4, 2008 |
| 7336731 |
Demodulator with phase-adjusting function |
Feb. 26, 2008 |
| 7336742 |
Frequency error correction device and OFDM receiver with the device |
Feb. 26, 2008 |
| 7333422 |
Optimized FFT/IFFT module |
Feb. 19, 2008 |
| 7333573 |
Radio communication apparatus and method having automatic frequency control function |
Feb. 19, 2008 |
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