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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 |
| 5745521 |
Spread spectrum communication apparatus and signal intensity detection apparatus |
Apr. 28, 1998 |
| 5745531 |
Automatic gain control apparatus, communication system, and automatic gain control method |
Apr. 28, 1998 |
| 5729173 |
Demodulation of quadrature amplitude modulation signals |
Mar. 17, 1998 |
| 5727031 |
Adaptive gain controller |
Mar. 10, 1998 |
| 5724652 |
Method for acquiring a rapid automatic gain control (AGC) response in a narrow band receiver |
Mar. 3, 1998 |
| 5721757 |
Automatic gain control loop |
Feb. 24, 1998 |
| 5697081 |
Intermodulation distortion reduction circuit utilizing variable attenuation |
Dec. 9, 1997 |
| 5696798 |
Multiple antenna home base for digital cordless telephones |
Dec. 9, 1997 |
| 5694436 |
Gain control system for handling periodic noises |
Dec. 2, 1997 |
| 5687195 |
Digital automatic gain controller for satellite transponder |
Nov. 11, 1997 |
| 5677932 |
Baseband estimator for estimating the amplitude/frequency characteristic of a multiphase signal |
Oct. 14, 1997 |
| 5671253 |
Apparatus for demodulating and decoding video signals encoded in different formats |
Sep. 23, 1997 |
| 5666384 |
Method and apparatus for mitigating noise in an output signal of an audio automatic gain control circuit |
Sep. 9, 1997 |
| 5661762 |
Multiple antenna home base for digital cordless telephones |
Aug. 26, 1997 |
| 5659582 |
Receiver, automatic gain controller suitable for the receiver, control signal generator suitable for the automatic gain controller, reception power controller using the automatic gain controll |
Aug. 19, 1997 |
| 5655220 |
Reverse link, transmit power correction and limitation in a radiotelephone system |
Aug. 5, 1997 |
| 5652712 |
Method and apparatus for calibration of digital test equipment |
Jul. 29, 1997 |
| 5651028 |
Data transmission system with a low peak-to-average power ratio based on distorting frequently occuring signals |
Jul. 22, 1997 |
| 5646963 |
Fast automatic gain control |
Jul. 8, 1997 |
| 5644590 |
Spread spectrum communication apparatus and signal intensity detection apparatus |
Jul. 1, 1997 |
| 5640429 |
Multichannel non-gaussian receiver and method |
Jun. 17, 1997 |
| 5640424 |
Direct downconverter circuit for demodulator in digital data transmission system |
Jun. 17, 1997 |
| 5636252 |
Automatic gain control of radio receiver for receiving digital high-definition television signals |
Jun. 3, 1997 |
| 5630220 |
Automatic gain control circuit for radio communication apparatus |
May. 13, 1997 |
| 5627857 |
Linearized digital automatic gain control |
May. 6, 1997 |
| 5623521 |
Digital gain controller and gain control method |
Apr. 22, 1997 |
| 5615231 |
Fast automatic gain control |
Mar. 25, 1997 |
| 5610946 |
Radio communication apparatus |
Mar. 11, 1997 |
| 5606735 |
Slope equalizer using baseband detection |
Feb. 25, 1997 |
| 5604741 |
Ethernet system |
Feb. 18, 1997 |
| 5604929 |
System for correcting quadrature gain and phase errors in a direct conversion single sideband receiver independent of the character of the modulated signal |
Feb. 18, 1997 |
| 5603113 |
Automatic gain control circuit for both receiver and transmitter adjustable amplifiers including a linear signal level detector with DC blocking, DC adding, and AC removing components |
Feb. 11, 1997 |
| 5600681 |
Method and equipment for the reception of digital signals |
Feb. 4, 1997 |
| 5596605 |
Radio receiver for use in the reception of digital multiplexing signals |
Jan. 21, 1997 |
| 5594760 |
Automatic gain control circuit and apparatus including such a circuit |
Jan. 14, 1997 |
| 5568518 |
Fast automatic gain control |
Oct. 22, 1996 |
| 5566201 |
Digital AGC for a CDMA radiotelephone |
Oct. 15, 1996 |
| 5566213 |
Selective call receiving device with improved symbol decoding and automatic frequency control |
Oct. 15, 1996 |
| 5566214 |
Automatic noise normalization and reacquisition control for a QPSK demodulator symbol tracking loop |
Oct. 15, 1996 |
| 5563916 |
Apparatus and method for varying the slew rate of a digital automatic gain control circuit |
Oct. 8, 1996 |
| 5557638 |
Transmission system for multivalued digital symbols |
Sep. 17, 1996 |
| 5555277 |
Technique for cancelling common mode switching noise to achieve reduced error rates in a local area network |
Sep. 10, 1996 |
| 5553096 |
Gain control using PWM |
Sep. 3, 1996 |
| 5550869 |
Demodulator for consumer uses |
Aug. 27, 1996 |
| 5548616 |
Spread spectrum radiotelephone having adaptive transmitter gain control |
Aug. 20, 1996 |
| 5548594 |
Compact AGC circuit with stable characteristics |
Aug. 20, 1996 |
| 5539779 |
Automatic offset control circuit for digital receiver |
Jul. 23, 1996 |
| 5537437 |
Initialization equalization for modulation and demodulation using special training pattern |
Jul. 16, 1996 |
| 5533031 |
Adjustable read channel equalization for error processing in a recordable media drive |
Jul. 2, 1996 |
| 5530724 |
Echo canceler with automatic enablement/disablement on a per-call basis |
Jun. 25, 1996 |
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