| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 03/08/2007 | WO2007025996A1 Method and device for controlling two peak power levels for a amplifier in pulsed mode |
| 03/08/2007 | WO2007025569A1 Method and apparatus for controlling band split compressors in a hearing aid |
| 03/08/2007 | US20070053528 Method and apparatus for automatic volume control in an audio player of a mobile communication terminal |
| 03/08/2007 | US20070053527 Audio output coordination |
| 03/08/2007 | US20070052867 Tuner circuit and digital broadcast receiver with low distortion performance and low power consumption |
| 03/08/2007 | US20070052479 Dynamic bias circuit for a radio-frequency amplifier |
| 03/08/2007 | DE102005040719A1 Vehicle e.g. car, safety device, has communication-middleware-, and situation analysis devices, and communication-coordinator, reducing signal intensities and/or controlling output replay of car radio, compact disc-player and mobile phone |
| 03/08/2007 | CA2620377A1 Method and apparatus for controlling band split compressors in a hearing aid |
| 03/07/2007 | EP1760879A2 High-frequency receiver |
| 03/07/2007 | EP1759456A1 Receive circuit and method for receiving an ofdm signal |
| 03/07/2007 | EP1759379A2 Horizontal perspective display |
| 03/07/2007 | EP1716702A4 System and method for tv automatice gain control (agc) |
| 03/07/2007 | EP1374397B1 Receiver circuit for mobile radio receivers with automatic amplification control |
| 03/07/2007 | EP1299944B1 Extended range variable gain amplifier |
| 03/07/2007 | EP1210765B1 Filter banked gain control of audio in a noisy environment |
| 03/07/2007 | CN1926910A Sound quality regulator |
| 03/07/2007 | CN1926770A Transmitter apparatus and wireless communication apparatus |
| 03/07/2007 | CN1925319A Volume automatic regulating device using speed sensor and its regulating method |
| 03/06/2007 | US7187774 Mute switch |
| 03/06/2007 | US7187733 High-frequency signal receiver |
| 03/03/2007 | WO2007026639A1 Variable gain amplifier and ac power supply device using the same |
| 03/01/2007 | US20070049228 High-frequency receiver |
| 03/01/2007 | US20070046375 Method and device for automatic gain control with limited jitter |
| 03/01/2007 | US20070046370 High-frequency power amplifier |
| 02/28/2007 | EP1758244A1 Acoustic device |
| 02/28/2007 | EP1757075A1 Telephone headset amplifier with noise blanking capability |
| 02/28/2007 | EP1756946A1 Wireless terminals. methods and computer program products with transmit power amplifier input power regulation |
| 02/28/2007 | EP1756943A1 Automatic current reduction biasing technique for rf amplifier |
| 02/28/2007 | EP1606896A4 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system |
| 02/28/2007 | EP1570571B1 Gain compensation over temperature and frequency variations in wireless transceivers |
| 02/28/2007 | CN2874925Y Motor vehicle acoustics of automatic regulating volume |
| 02/28/2007 | CN1922867A 自动增益控制电路 Automatic gain control circuit |
| 02/28/2007 | CN1922788A Load insensitive power amplifier |
| 02/28/2007 | CN1921297A Integrated multipath gain comparing control amplifying circuit |
| 02/28/2007 | CN1302625C Direct conversion receiver and DC offset reducing method |
| 02/28/2007 | CN1302619C Amplifier for alternating signal overlapped on continuous signals and its amplifying method |
| 02/28/2007 | CN1302616C Communication system and arrangements comprising such a communication system |
| 02/27/2007 | US7184730 Automatic gain control system having a wide range of continuous gain control |
| 02/27/2007 | US7184729 Digital automatic gain control for transceiver devices |
| 02/27/2007 | US7184721 Transmit power control in a wireless communication device |
| 02/27/2007 | US7184557 Methods and apparatuses for recording and playing back audio signals |
| 02/27/2007 | US7184556 Compensation system and method for sound reproduction |
| 02/27/2007 | US7183856 Power source circuit for high frequency power amplifying circuit and semiconductor integrated circuit for power source and electronics component for power source |
| 02/27/2007 | US7183855 Circuit arrangement for the switchable amplification of variable electrical signals |
| 02/27/2007 | US7183854 Programmable gain instrumentation amplifier including a composite amplifier for level shifting and improved signal-to-noise ratio |
| 02/27/2007 | US7183846 Device for detecting the power of a signal and integrated circuit with amplifier and related power detection device |
| 02/27/2007 | US7183845 Gain control methods and systems in an amplifier assembly |
| 02/27/2007 | US7183844 Multi-state load switched power amplifier for polar modulation transmitter |
| 02/22/2007 | WO2007022283A1 Wide dynamic range amplifier gain control |
| 02/22/2007 | US20070042736 Detection circuit and method of adjusting dectection circuit |
| 02/22/2007 | US20070041480 High frequency signal level determining device and high frequency signal receiver apparatus using the same |
| 02/22/2007 | US20070040610 Automatic gain controller |
| 02/21/2007 | EP1754307A2 Companion microphone system and method |
| 02/21/2007 | CN1918906A System and method for TV automatic gain control (agc) |
| 02/21/2007 | CN1918798A 发送功率控制装置 Transmission power control means |
| 02/21/2007 | CN1918791A Amplifier and acoustic system |
| 02/21/2007 | CN1918785A Power amplifier with digital power control and associated methods |
| 02/21/2007 | CN1917381A Variable gain amplifying apparatus and wireless communication apparatus |
| 02/21/2007 | CN1917364A Limiter of segmented gains, and control method |
| 02/20/2007 | US7181028 Audio converting device and converting method thereof |
| 02/20/2007 | US7181021 Apparatus for acoustically improving an environment |
| 02/20/2007 | US7180942 Joint adaptive optimization of soft decision device and feedback equalizer |
| 02/20/2007 | US7180939 Active filter circuit with dynamically modifiable internal gain |
| 02/20/2007 | US7180933 Squelch circuitry for high speed high frequency operation |
| 02/20/2007 | US7180367 Systems, methods and devices for differential active bias of multi-stage amplifiers |
| 02/15/2007 | WO2007016965A1 Wireless communication unit, integrated circuit and method for biasing a power amplifier |
| 02/15/2007 | US20070037537 Radio wave reception device, radio wave clock, and repeater |
| 02/15/2007 | US20070036368 Differentiated audio |
| 02/15/2007 | US20070036366 Audio characteristic correction system |
| 02/15/2007 | DE102004014158B4 Vorrichtung zur Lautstärkesteuerung Device for volume control |
| 02/14/2007 | EP1753130A1 Analog-to-digital converter with dynamic range extension |
| 02/14/2007 | EP1751857A1 Gain control for a receiver in a multi-carrier communication system |
| 02/14/2007 | EP1400013B1 Method and apparatus for a transceiver having a constant power output |
| 02/14/2007 | EP1190522B1 Automatic gain control for improved decoding of multi-carrier signal |
| 02/14/2007 | CN2870326Y Communication terminal |
| 02/14/2007 | CN1914795A 可变增益电路 Variable gain circuit |
| 02/14/2007 | CN1914793A Electric circuit |
| 02/14/2007 | CN1913346A Noise sensitive volume control device, audio device and noise sensitive volume control method |
| 02/13/2007 | US7177659 Power amplification system and method |
| 02/13/2007 | US7177606 Control system for controlling an output signal power level of a wireless transmitter |
| 02/13/2007 | US7177432 Sound processing system with degraded signal optimization |
| 02/13/2007 | US7177370 Method and architecture for dual-mode linear and saturated power amplifier operation |
| 02/13/2007 | US7176756 Inductor element containing circuit board and power amplifier module |
| 02/13/2007 | US7176726 Integrated loss of signal detection with wide threshold range and precise hysteresis |
| 02/13/2007 | CA2281238C An automatic gain control for digital radar intercept receivers |
| 02/08/2007 | US20070032216 Low noise amplifier (LNA) gain switch circuit |
| 02/08/2007 | US20070032214 Radio wave reception device and radio wave clock |
| 02/08/2007 | US20070032212 Radio wave reception device, radio wave clock, and repeater |
| 02/08/2007 | US20070030073 High frequency power amplifier circuit and radio communication system |
| 02/08/2007 | US20070030072 Amplifying circuit having bias voltage setting mechanism |
| 02/08/2007 | US20070030064 Integrated laterally diffused metal oxide semiconductor power detector |
| 02/08/2007 | DE10250613B4 Integrierter RF-Signalpegeldetektor, der für die automatische Leistungspegelsteuerung verwendbar ist Integrated RF signal level detector which is suitable for the automatic power level control |
| 02/07/2007 | EP1750367A1 Method and device for automatic gain control with limited jitter |
| 02/07/2007 | CN1909366A Direct conversion receiver architecture |
| 02/07/2007 | CN1909365A Volume automatic regulating device and its method |
| 02/06/2007 | US7174190 Serial bus interface for direct conversion receiver |
| 02/06/2007 | US7173492 High frequency power amplification electric part and wireless communication system |
| 02/06/2007 | US7173491 Fast settling power amplifier regulator |
| 02/01/2007 | WO2007013248A1 Equipment control device, equipment control method, equipment control program, and recording medium |
| 02/01/2007 | WO2006091939A3 Programmable gain amplifier and method |