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Class Information
Number: 455/245.1
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Local control of receiver operation > Gain control > Automatic > Automatic gain control signal derived from information signal
Description: Subject matter wherein the gain control is derived from the demodulated (usually the audio) signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623052 |
Strong short-pulse interference detection method |
Nov. 24, 2009 |
| 7620380 |
Adjustable automatic gain control |
Nov. 17, 2009 |
| 7602865 |
Apparatus and method for enhancing a reception rate of a receiver |
Oct. 13, 2009 |
| 7587188 |
Radio wave reception device, radio wave clock, and repeater |
Sep. 8, 2009 |
| 7528696 |
Determining the three-dimensional read accuracy of an RFID tag using a power scaling factor |
May. 5, 2009 |
| 7499508 |
Method and apparatus for adjusting the gain of an if amplifier in a communication system |
Mar. 3, 2009 |
| 7499692 |
Receiving circuit, and receiving apparatus and transmitting/receiving apparatus using the receiving circuit |
Mar. 3, 2009 |
| 7496163 |
AGC system, AGC method, and receiver using the AGC system |
Feb. 24, 2009 |
| 7496162 |
Communication system with statistical control of gain |
Feb. 24, 2009 |
| 7483500 |
Narrowband gain control of receiver with digital post filtering |
Jan. 27, 2009 |
| 7477878 |
Data transmission system, data transmitter and data receiver used in the data transmission system |
Jan. 13, 2009 |
| 7474694 |
Methods, devices and computer program products for adaptively adjusting passbands of high-pass filters of asymmetric digital subscriber link (ADSL) modems |
Jan. 6, 2009 |
| 7469134 |
Mobile communication terminal apparatus, a variable gain amplifier circuit and a gain control circuit |
Dec. 23, 2008 |
| 7463872 |
Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode |
Dec. 9, 2008 |
| 7457598 |
Signal amplifier system for a broadcast receiver |
Nov. 25, 2008 |
| 7454180 |
Vehicle-mounted receiving apparatus for reducing distortion, improving reception sensitivity, and saving power |
Nov. 18, 2008 |
| 7450922 |
Data unit detection including antenna diversity |
Nov. 11, 2008 |
| 7436913 |
Automatic gain control apparatus |
Oct. 14, 2008 |
| 7433702 |
Power status for wireless communications |
Oct. 7, 2008 |
| 7430403 |
Method and apparatus for hysteresis control |
Sep. 30, 2008 |
| 7430404 |
Tuner circuit and digital broadcast receiver with the same |
Sep. 30, 2008 |
| 7418242 |
Transmission device and gain control method |
Aug. 26, 2008 |
| 7406300 |
Extending wireless communication RF coverage inside building |
Jul. 29, 2008 |
| 7403759 |
Method for the filtering of noise from measured signals |
Jul. 22, 2008 |
| 7400870 |
Hardware loop for automatic gain control |
Jul. 15, 2008 |
| 7389093 |
Call method, call apparatus and call system |
Jun. 17, 2008 |
| 7386285 |
Automatic gain control adaptive for plural modulation schemes |
Jun. 10, 2008 |
| 7386288 |
Input signal detecting apparatus and method |
Jun. 10, 2008 |
| 7366263 |
Radio communication terminal and radio signal receiving method |
Apr. 29, 2008 |
| 7359686 |
Radio-frequency amplifier system |
Apr. 15, 2008 |
| 7356110 |
Gain control method for a receiver of signals transmitted in bursts and receiver exploiting it |
Apr. 8, 2008 |
| 7356321 |
Radio frequency tuner |
Apr. 8, 2008 |
| 7333467 |
Receiver circuit and method using selectively variable amplification for receiving time signals from different transmitters |
Feb. 19, 2008 |
| 7302022 |
Automatic gain control device and method in orthogonal frequency division multiplexing system with DC offset compensation function, and recording medium storing program containing the method |
Nov. 27, 2007 |
| 7283840 |
Reconfigurable analog baseband for a single-chip dual-mode transceiver |
Oct. 16, 2007 |
| 7283797 |
System and method of improving the dynamic range of a receiver in the presence of a narrowband interfering signal |
Oct. 16, 2007 |
| 7280840 |
Receiving apparatus, transmitting apparatus, and reception method |
Oct. 9, 2007 |
| 7277510 |
Adaptation algorithm based on signal statistics for automatic gain control |
Oct. 2, 2007 |
| 7269398 |
Automatic gain control circuit for receive apparatus for mobile object |
Sep. 11, 2007 |
| 7266353 |
Control loop for digital signals |
Sep. 4, 2007 |
| 7266354 |
Reducing the peak-to-average power ratio of a communication signal |
Sep. 4, 2007 |
| 7263143 |
System and method for statistically directing automatic gain control |
Aug. 28, 2007 |
| 7248890 |
Channel power balancing in a multi-channel transceiver system |
Jul. 24, 2007 |
| 7242916 |
Communication semiconductor integrated circuit device and wireless communication system |
Jul. 10, 2007 |
| 7242914 |
Method of automatic gain control for multiple receiver front-ends |
Jul. 10, 2007 |
| 7227916 |
Receiver with automatic gain control that operates with multiple protocols and method thereof |
Jun. 5, 2007 |
| 7194243 |
DC offset and 1/f noise compensation of a direct conversion receiver |
Mar. 20, 2007 |
| 7180898 |
Communication system |
Feb. 20, 2007 |
| 7177610 |
Calibrated low-noise current and voltage references and associated methods |
Feb. 13, 2007 |
| 7174190 |
Serial bus interface for direct conversion receiver |
Feb. 6, 2007 |
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