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Class Information
Number: 375/345
Name: Pulse or digital communications > Receivers > Automatic gain control
Description: Subject matter where the amplification of the receiver is automatically adjusted in accordance with the strength of the received signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6195400 |
Two-mode demodulating apparatus |
Feb. 27, 2001 |
| 6175601 |
Infra-red data processing circuit |
Jan. 16, 2001 |
| 6175726 |
Receiver architecture for the receiving of angle-modulated/angle-keyed carrier signals |
Jan. 16, 2001 |
| 6169619 |
Apparatus and method for reception of optical signal |
Jan. 2, 2001 |
| 6167098 |
Method and apparatus for digital interference rejection |
Dec. 26, 2000 |
| 6163685 |
Receiver with controllable amplifier means |
Dec. 19, 2000 |
| 6163420 |
Interleaved analog tracking timing and gain feedback loops for partial response maximum likelihood (PRML) data detection for direct access storage device (DASD) |
Dec. 19, 2000 |
| 6160443 |
Dual automatic gain control in a QAM demodulator |
Dec. 12, 2000 |
| 6160838 |
Spread spectrum transmitter, spread spectrum receiver and spread spectrum communication method and automatic gain control circuit for spread spectrum receiver |
Dec. 12, 2000 |
| 6160859 |
Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using the same |
Dec. 12, 2000 |
| 6154503 |
Automatic gain control system that responds to baseband signal distortion |
Nov. 28, 2000 |
| 6148046 |
Blind automatic gain control system for receivers and modems |
Nov. 14, 2000 |
| 6148048 |
Receive path implementation for an intermediate frequency transceiver |
Nov. 14, 2000 |
| 6128333 |
Spread spectrum radio transmission digital mobile communication |
Oct. 3, 2000 |
| 6128353 |
Code division multiple access system with dynamic histogram control |
Oct. 3, 2000 |
| 6128354 |
Data detection pre-amplifier circuit |
Oct. 3, 2000 |
| 6128478 |
Apparatus and method for amplifying a radio frequency signal |
Oct. 3, 2000 |
| 6125154 |
Digital servo channel for recording apparatus |
Sep. 26, 2000 |
| 6121828 |
Demodulator |
Sep. 19, 2000 |
| 6122331 |
Digital automatic gain control |
Sep. 19, 2000 |
| 6121829 |
Frequency demodulator |
Sep. 19, 2000 |
| 6118833 |
Fast acquisition method for obtaining data from a transmission channel and a data receiver for carrying out this method |
Sep. 12, 2000 |
| 6118829 |
Apparatus and method for automatic mode selection in a communications receiver |
Sep. 12, 2000 |
| 6118815 |
Adapting equalization gain and offset for data transmissions |
Sep. 12, 2000 |
| 6108375 |
Equalization circuit for unknown QAM constellation size |
Aug. 22, 2000 |
| 6104919 |
Intermodulation distortion reduction circuit utilizing variable attenuation |
Aug. 15, 2000 |
| 6094463 |
Phaselock threshold correction |
Jul. 25, 2000 |
| 6088583 |
Automatic gain control circuit |
Jul. 11, 2000 |
| 6081558 |
Apparatus and method for low power operation with high sensitivity in a communications receiver |
Jun. 27, 2000 |
| 6081565 |
Amplitude based coarse automatic gain control circuit |
Jun. 27, 2000 |
| 6081564 |
Apparatus and methods for tracking power level of received signal in code division multiple access communication system |
Jun. 27, 2000 |
| 6078797 |
Method of controlling received signal level |
Jun. 20, 2000 |
| 6072998 |
Radio receiver for receiving a modulated digital signal |
Jun. 6, 2000 |
| 6072844 |
Gain control in post filtering process using scaling |
Jun. 6, 2000 |
| 6055283 |
Data detection circuit |
Apr. 25, 2000 |
| 6049361 |
Automatic gain control circuit and method therefor |
Apr. 11, 2000 |
| 6038268 |
Direct conversion FSK signal radio receiver |
Mar. 14, 2000 |
| 6038435 |
Variable step-size AGC |
Mar. 14, 2000 |
| 6035008 |
Automatic gain control in direct sequence spread spectrum communication system |
Mar. 7, 2000 |
| 6034573 |
Method and apparatus for calibrating modulation sensitivity |
Mar. 7, 2000 |
| 6032031 |
Receiver for suppressing intermodulation |
Feb. 29, 2000 |
| 6031878 |
Direct-conversion tuner integrated circuit for direct broadcast satellite television |
Feb. 29, 2000 |
| 6026285 |
Intermodulation distortion reduction circuit utilizing variable attenuation |
Feb. 15, 2000 |
| 6026127 |
Autozero technique for a phase locked loop system |
Feb. 15, 2000 |
| 6026131 |
Automatic gain control systems |
Feb. 15, 2000 |
| 6018552 |
Differential detection receiver |
Jan. 25, 2000 |
| 6018554 |
Automatic gain control circuit and method for full gain restart |
Jan. 25, 2000 |
| 6011819 |
Acoustic wave communication apparatus and method |
Jan. 4, 2000 |
| 6009126 |
Zero-IF receiver |
Dec. 28, 1999 |
| 6009129 |
Device and method for detection and reduction of intermodulation distortion |
Dec. 28, 1999 |
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