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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 |
| 4955083 |
Dual mode radio transceiver for an SSB communication system |
Sep. 4, 1990 |
| 4953182 |
Gain and phase correction in a dual branch receiver |
Aug. 28, 1990 |
| 4944025 |
Direct conversion FM receiver with offset |
Jul. 24, 1990 |
| 4937842 |
Self adjusting data detector |
Jun. 26, 1990 |
| 4912725 |
Adaptive equalizer included in the receiver for a data transmission system |
Mar. 27, 1990 |
| 4905255 |
Decision directed gain control |
Feb. 27, 1990 |
| 4901332 |
Noncoherent-coherent A.C. coupled base band AGC receiver |
Feb. 13, 1990 |
| 4901333 |
Data transmission systems |
Feb. 13, 1990 |
| 4899365 |
Apparatus and method for adaptive amplitude equalization |
Feb. 6, 1990 |
| 4890297 |
Burst jammer erasure circuit for spread spectrum receivers |
Dec. 26, 1989 |
| 4890298 |
Troposcatter modem receiver |
Dec. 26, 1989 |
| 4870658 |
Amplitude equalizer |
Sep. 26, 1989 |
| 4864244 |
Stepped square-QAM demodulator utilizing all signal points to generate control signals |
Sep. 5, 1989 |
| 4852126 |
Digital information reproducing apparatus |
Jul. 25, 1989 |
| 4852123 |
Nearly DC IF phase locked transceiver |
Jul. 25, 1989 |
| 4841301 |
Device operable like an automatic level control circuit for decoding a multivalued signal |
Jun. 20, 1989 |
| 4839905 |
Multirate automatic equalizer |
Jun. 13, 1989 |
| 4835790 |
Carrier-to-noise detector for digital transmission systems |
May. 30, 1989 |
| 4829593 |
Automatic gain control apparatus |
May. 9, 1989 |
| 4803438 |
8-phase phase-shift keying demodulator |
Feb. 7, 1989 |
| 4794620 |
Radio frequency modem and method |
Dec. 27, 1988 |
| 4789995 |
Synchronous timer anti-alias filter and gain stage |
Dec. 6, 1988 |
| 4785352 |
Sampled data amplitude detector as for an AGC multiplier |
Nov. 15, 1988 |
| 4785418 |
Proportional automatic gain control |
Nov. 15, 1988 |
| 4775988 |
Method for rapid gain acquisition in a modem receiver |
Oct. 4, 1988 |
| 4768204 |
Method and apparatus for transmitting signals between a master station and a number of terminals |
Aug. 30, 1988 |
| 4757502 |
Automatic gain control method and circuit for a time division multiple access receiver |
Jul. 12, 1988 |
| 4747065 |
Automatic gain control in a digital signal processor |
May. 24, 1988 |
| 4747114 |
Modem clock with automatic gain control |
May. 24, 1988 |
| 4740996 |
Temperature independent, low level, AM modem receiver |
Apr. 26, 1988 |
| 4707730 |
Sync extraction for a broadcasting system with time multiplexing of digital and analog signals |
Nov. 17, 1987 |
| 4707840 |
Line equalizer having pulse-width deviation detector for compensating long-term level variations |
Nov. 17, 1987 |
| 4703282 |
Digital demodulation system |
Oct. 27, 1987 |
| 4691377 |
Automatic frequency and gain control circuit |
Sep. 1, 1987 |
| 4683578 |
Automatic gain control using the extreme points of a constellation |
Jul. 28, 1987 |
| 4675882 |
FM demodulator |
Jun. 23, 1987 |
| 4669090 |
Half-duplex modem without turnaround delay |
May. 26, 1987 |
| 4665534 |
Method of and apparatus for determining time origin of timer for modem |
May. 12, 1987 |
| 4656630 |
Automatic gain control circuit |
Apr. 7, 1987 |
| 4641368 |
Radio frequency receiver |
Feb. 3, 1987 |
| 4637064 |
Local area network equalization system and method |
Jan. 13, 1987 |
| 4633484 |
Receiver unit in radio communication system |
Dec. 30, 1986 |
| 4631738 |
Gain tracker for digital modem |
Dec. 23, 1986 |
| 4631489 |
FM signal magnitude quantizer and demodulator compatible with digital signal processing |
Dec. 23, 1986 |
| 4627079 |
Method and apparatus for acquiring and tracking a communications signal |
Dec. 2, 1986 |
| 4625240 |
Adaptive automatic gain control |
Nov. 25, 1986 |
| 4623934 |
AGC update apparatus and method of using same |
Nov. 18, 1986 |
| 4606043 |
Programmable automatic cable equalizer |
Aug. 12, 1986 |
| 4604755 |
Feed forward dual channel automatic level control for dual tone multi-frequency receivers |
Aug. 5, 1986 |
| 4583235 |
Self-adjusting equalizer configuration which automatically adjusts to the cable length |
Apr. 15, 1986 |
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