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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 |
| 4513428 |
Simultaneous detection of time coincident signals in an adaptive doppler tracker |
Apr. 23, 1985 |
| 4513429 |
Sample data phase locked loop for adaptive doppler tracker |
Apr. 23, 1985 |
| 4503547 |
Electrical data pulse processing |
Mar. 5, 1985 |
| 4499586 |
Microprocessor controlled AGC |
Feb. 12, 1985 |
| 4494241 |
Installation for the transmission of informations by an optical bus line |
Jan. 15, 1985 |
| 4479253 |
Phaselock receiver with input signal measuring capability |
Oct. 23, 1984 |
| 4464723 |
Digital gain control system |
Aug. 7, 1984 |
| 4458355 |
Adaptive phase lock loop |
Jul. 3, 1984 |
| 4455663 |
Full duplex modems and synchronizing methods and apparatus therefor |
Jun. 19, 1984 |
| 4453258 |
Automatic gain control circuit |
Jun. 5, 1984 |
| 4439864 |
Modem circuitry |
Mar. 27, 1984 |
| 4360929 |
Automatic gain control circuit |
Nov. 23, 1982 |
| 4355402 |
Data modem false equilibrium circuit |
Oct. 19, 1982 |
| 4355408 |
System for extracting timing information from a digital waveform |
Oct. 19, 1982 |
| 4335361 |
Variable gain amplifier |
Jun. 15, 1982 |
| 4334214 |
Warning apparatus using microwaves |
Jun. 8, 1982 |
| 4322689 |
High frequency pulse amplifier |
Mar. 30, 1982 |
| 4305150 |
On-line channel quality monitor for a communication channel |
Dec. 8, 1981 |
| 4301445 |
Communication system and method having wide dynamic range digital gain control |
Nov. 17, 1981 |
| 4291410 |
Multipath diversity spread spectrum receiver |
Sep. 22, 1981 |
| 4272648 |
Gain control apparatus for digital telephone line circuits |
Jun. 9, 1981 |
| 4249252 |
Timing frequency recovery |
Feb. 3, 1981 |
| 4225976 |
Pre-calibration of gain control circuit in spread-spectrum demodulator |
Sep. 30, 1980 |
| 4220823 |
Selectively controlled digital pad |
Sep. 2, 1980 |
| 4219890 |
Digital signal regulation system |
Aug. 26, 1980 |
| 4161628 |
Technique for tracking amplitude fades for multi-amplitude signalling |
Jul. 17, 1979 |
| 4123718 |
SSMA receiver with synchronous demodulation and variable gain control |
Oct. 31, 1978 |
| 4099124 |
Combined keyed AGC and pulse amplitude comparator circuit |
Jul. 4, 1978 |
| 4071829 |
Coherent phase detector using a frequency discriminator |
Jan. 31, 1978 |
| 4037163 |
Automatic gain control circuit |
Jul. 19, 1977 |
| 4021739 |
Distress signal protection system |
May. 3, 1977 |
| 3958213 |
Adaptive gain control and method for signal processor |
May. 18, 1976 |
| 3936599 |
Automatic gain control system |
Feb. 3, 1976 |
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