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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 |
| 6999548 |
Communication channel detector and channel detection method |
Feb. 14, 2006 |
| 6996156 |
CDMA receiver capable of estimation of frequency offset in high precision |
Feb. 7, 2006 |
| 6996160 |
Channel gain estimation in a rake receiver using complex weight generation (CWG) algorithms |
Feb. 7, 2006 |
| 6993104 |
Apparatus and method for adaptively adjusting a timing loop |
Jan. 31, 2006 |
| 6993094 |
Coarse frequency synchronization in multicarrier systems |
Jan. 31, 2006 |
| 6990143 |
50% duty-cycle clock generator |
Jan. 24, 2006 |
| 6983134 |
Method and apparatus for automatic frequency control and demodulator |
Jan. 3, 2006 |
| 6980612 |
Communication terminal apparatus and radio communication method |
Dec. 27, 2005 |
| 6980775 |
Automatic frequency control (AFC) system and method using an adaptive threshold to improve accuracy of the direct current (DC) component calculation for a received signal |
Dec. 27, 2005 |
| 6981168 |
Clock data recovery system |
Dec. 27, 2005 |
| 6980789 |
Divider module for use in an oscillation synthesizer |
Dec. 27, 2005 |
| RE38876 |
System for, and method of, processing quadrature amplitude modulated signals |
Nov. 15, 2005 |
| 6965654 |
Frequency offset quantity detecting apparatus |
Nov. 15, 2005 |
| 6965653 |
Circuit and method for processing an automatic frequency control signal |
Nov. 15, 2005 |
| 6956915 |
Method of correcting frequency error |
Oct. 18, 2005 |
| 6954508 |
Automatic frequency control system adapted to compensate for an insufficient capture range |
Oct. 11, 2005 |
| 6950631 |
Active receiving array antenna |
Sep. 27, 2005 |
| 6947504 |
Frequency synchronizer |
Sep. 20, 2005 |
| 6947498 |
Method and apparatus for performing joint timing recovery of multiple received signals |
Sep. 20, 2005 |
| 6944243 |
Diversity reception device outputting maximized C/N ratio of synthesized signal |
Sep. 13, 2005 |
| 6940931 |
Clock-synchronism evaluating apparatus and method |
Sep. 6, 2005 |
| 6937673 |
Method of compensating frequency error in communication system and apparatus for the same |
Aug. 30, 2005 |
| 6937671 |
Method and system for carrier recovery |
Aug. 30, 2005 |
| 6934524 |
Fine-stage automatic frequency compensation in post-detection short-range wireless applications |
Aug. 23, 2005 |
| 6922451 |
Frequency shifting circuit and method |
Jul. 26, 2005 |
| 6920190 |
System and method for inverting automatic frequency control (AFC) |
Jul. 19, 2005 |
| 6917823 |
Cellular telephone |
Jul. 12, 2005 |
| 6912244 |
Pilot frequency acquisition based on a window of data samples |
Jun. 28, 2005 |
| 6909882 |
Signal processing semiconductor integrated circuit device and wireless communication system |
Jun. 21, 2005 |
| 6904108 |
Bandpass-limiting device for a receiver |
Jun. 7, 2005 |
| 6891908 |
Portable radio system and portable radio equipment to be used in the same and frequency error prediction method used therefor |
May. 10, 2005 |
| 6891907 |
Frequency offset correction system and correction method |
May. 10, 2005 |
| 6888902 |
Digital variable frequency oscillator |
May. 3, 2005 |
| 6882691 |
Fine-frequency offset estimation |
Apr. 19, 2005 |
| 6879646 |
Quadrature amplitude modulation demodulator and receiver |
Apr. 12, 2005 |
| 6870892 |
Diversity receiver with joint baud clock recovery |
Mar. 22, 2005 |
| 6862325 |
Multi-standard channel decoder |
Mar. 1, 2005 |
| 6856256 |
Method and system for detecting and digitally transmitting analog output measured quantities of a number of transducers |
Feb. 15, 2005 |
| 6853255 |
AFC circuit compensating an error in oscillation frequency |
Feb. 8, 2005 |
| 6847694 |
Method for determining the sampling phase and method for synchronization word detection using the phase detection method |
Jan. 25, 2005 |
| 6847688 |
Automatic frequency control systems and methods for joint demodulation |
Jan. 25, 2005 |
| 6839381 |
Method and apparatus for coherent detection in a telecommunications system |
Jan. 4, 2005 |
| 6839388 |
System and method for providing frequency domain synchronization for single carrier signals |
Jan. 4, 2005 |
| 6829311 |
Complex valued delta sigma phase locked loop demodulator |
Dec. 7, 2004 |
| 6829469 |
Method and a device for producing a signal |
Dec. 7, 2004 |
| 6823031 |
Automated frequency compensation for remote synchronization |
Nov. 23, 2004 |
| 6819915 |
Applications of a differential latch |
Nov. 16, 2004 |
| 6816559 |
FSK modulation transceiver |
Nov. 9, 2004 |
| 6816540 |
AFC control apparatus and method in mobile communication system and mobile communication equipment using the apparatus and method |
Nov. 9, 2004 |
| 6813310 |
Receiver and IC thereof capable of receiving analog broadcast and digital broadcast |
Nov. 2, 2004 |
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