| |
 |
|
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 |
| 6816540 |
AFC control apparatus and method in mobile communication system and mobile communication equipment using the apparatus and method |
Nov. 9, 2004 |
| 6816559 |
FSK modulation transceiver |
Nov. 9, 2004 |
| 6813310 |
Receiver and IC thereof capable of receiving analog broadcast and digital broadcast |
Nov. 2, 2004 |
| 6810097 |
Carrier reproduction circuit, receiver, loop filter circuit, and oscillator circuit |
Oct. 26, 2004 |
| 6807157 |
Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal |
Oct. 19, 2004 |
| 6807406 |
Variable gain mixer circuit |
Oct. 19, 2004 |
| 6801590 |
Method and apparatus for symbol independent discriminator correlator automatic frequency control |
Oct. 5, 2004 |
| 6798840 |
Fast switchover output protection |
Sep. 28, 2004 |
| 6798853 |
System and method for compensating for frequency offset |
Sep. 28, 2004 |
| 6788748 |
Method and apparatus for performing mobile station assisted hard handoff using error correction codes |
Sep. 7, 2004 |
| 6788749 |
Erasure based instantaneous loop control in a data receiver |
Sep. 7, 2004 |
| 6778613 |
Frequency and phase estimation for MPSK signals |
Aug. 17, 2004 |
| 6775250 |
Method of updating reference value in high speed closed loop based on likelihood |
Aug. 10, 2004 |
| 6771937 |
Frequency-stabilized transmitting/receiving configuration |
Aug. 3, 2004 |
| 6771718 |
Method for frequency error estimation |
Aug. 3, 2004 |
| 6760573 |
Frequency tracking using inner and outer loops |
Jul. 6, 2004 |
| 6754261 |
System, device, and method for determining the sampling time for a time-domain equalizer |
Jun. 22, 2004 |
| 6751270 |
Carrier frequency recovery apparatus capable of simultaneously reducing frequency offset and phase error and method of the same |
Jun. 15, 2004 |
| 6748026 |
Distortion estimation apparatus, frequency offset compensation apparatus and reception apparatus |
Jun. 8, 2004 |
| 6748037 |
Digital broadcasting receiver |
Jun. 8, 2004 |
| 6748036 |
Radio receiving method and apparatus |
Jun. 8, 2004 |
| 6744828 |
Receiving apparatus |
Jun. 1, 2004 |
| 6741665 |
Method and apparatus providing an amplitude independent automatic frequency control circuit |
May. 25, 2004 |
| 6735261 |
Calibration of a N-port receiver |
May. 11, 2004 |
| 6731702 |
Null symbol position detecting method, null symbol position detecting apparatus, and receiver |
May. 4, 2004 |
| 6731911 |
Method of performing automatic frequency control in mobile station in waiting mode |
May. 4, 2004 |
| 6725024 |
Offset local oscillator frequency |
Apr. 20, 2004 |
| 6721372 |
Intelligent software controlled correction of frequency tracking for a local oscillator of a receiver of a wireless device |
Apr. 13, 2004 |
| 6721547 |
In-band and out-of-band signal detection for automatic gain calibration systems |
Apr. 13, 2004 |
| 6714587 |
Transmission system with improved signal conditioning means |
Mar. 30, 2004 |
| 6714608 |
Multi-mode variable rate digital satellite receiver |
Mar. 30, 2004 |
| 6704344 |
Broad-brand MPSK spread spectrum communications receiver with carrier recovery and tracking using correlation techniques |
Mar. 9, 2004 |
| 6704554 |
Frequency modulation receiver in particular for an RDS application |
Mar. 9, 2004 |
| 6697439 |
Carrier acquisition in a DC/MA system |
Feb. 24, 2004 |
| 6693979 |
Adaptive smoothing system for fading communication channels |
Feb. 17, 2004 |
| 6693983 |
Method and system for detection of short digital radio messages |
Feb. 17, 2004 |
| 6690753 |
Receiver having decisional feedback equalizer with remodulation and related methods |
Feb. 10, 2004 |
| 6687290 |
Apparatus for frequency deviation estimation and method of estimating the same |
Feb. 3, 2004 |
| 6680991 |
Detection of frequency differences between signals |
Jan. 20, 2004 |
| 6671331 |
Carrier detecting circuit for detecting the level of a received signal and communication apparatus |
Dec. 30, 2003 |
| 6661852 |
Apparatus and method for quadrature tuner error correction |
Dec. 9, 2003 |
| 6661851 |
Bi-directional vector rotator |
Dec. 9, 2003 |
| 6662000 |
Synchronisation method and device for a communication receiver |
Dec. 9, 2003 |
| 6658326 |
Noise reduction system and method |
Dec. 2, 2003 |
| 6658070 |
Direct conversion receiver and method of compensating interference signals generated during processing |
Dec. 2, 2003 |
| 6650699 |
Methods and apparatus for timing recovery from a sampled and equalized data signal |
Nov. 18, 2003 |
| 6650715 |
Apparatus for recovering decision-directed carrier |
Nov. 18, 2003 |
| 6646980 |
OFDM demodulator |
Nov. 11, 2003 |
| 6643334 |
Bandpass tracker for DTV receiver, with VSB I-F signal filtered for more symmetrical AFPC Loop response |
Nov. 4, 2003 |
| 6640093 |
Broadcast receiver |
Oct. 28, 2003 |
|
|
|
