| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 12/10/2009 | US20090304107 Wireless transmitting and receiving device and method |
| 12/10/2009 | US20090302947 Semiconductor device |
| 12/10/2009 | US20090302938 Low delay corrector |
| 12/10/2009 | CA2726818A1 Method and arrangement in a cellular communications system |
| 12/09/2009 | EP2130342A1 Methods and apparatus for initial acquisition gain control in a communication system |
| 12/09/2009 | EP2130338A1 Apparatus and methods accounting for effects of discontinuities at the output of automatic gain control in a multi carrier system |
| 12/09/2009 | CN101600029A System and method for reducing background noise |
| 12/09/2009 | CN100569008C System and method for vehicle audio surround modes |
| 12/09/2009 | CN100568936C Video sound output device and external loudspeaker controller |
| 12/09/2009 | CN100568716C Sound volume controller |
| 12/09/2009 | CN100568715C Multi-level auto-gain control integrated circuit system having gain indication function |
| 12/09/2009 | CN100568709C Electric circuit and method for adjusting input signal attribute of nonlinear element |
| 12/08/2009 | US7630505 Loudspeaker system |
| 12/08/2009 | US7630501 System and method for calibration of an acoustic system |
| 12/08/2009 | US7629851 High frequency power amplifier circuit and electronic component for high frequency power amplifier |
| 12/08/2009 | US7629850 Variable-gain image-reject low-noise amplifier |
| 12/05/2009 | CA2668264A1 Linearizing technique for power amplifiers |
| 12/03/2009 | WO2009143588A1 Acoustic processing method and apparatus |
| 12/03/2009 | US20090298456 Radio wave reception device, radio wave clock |
| 12/03/2009 | US20090296961 Sound Quality Control Apparatus, Sound Quality Control Method, and Sound Quality Control Program |
| 12/03/2009 | US20090296960 Reproducing apparatus and reproducing method |
| 12/03/2009 | US20090295780 Amplifier circuit and display device including same |
| 12/03/2009 | US20090295485 Dynamically biasing class ab power amplifiers over a range of output power levels |
| 12/03/2009 | DE102009026589A1 Verfahren zur Einstellung der Laufstärke einer oder mehrerer Tonquellen in einem Kraftfahrzeug in Abhängigkeit von dessen Betriebszustand Method for adjusting the drive strength of one or more sound sources in a motor vehicle as a function of the operating state |
| 12/02/2009 | EP2128978A1 Reproducing apparatus and reproducing method |
| 12/02/2009 | EP2127289A2 Symbol scaling with automatic gain control for wireless communication |
| 12/02/2009 | EP2127131A1 Radio communications using scheduled power amplifier backoff |
| 12/02/2009 | CN101594671A Wireless transmitting and receiving device and method |
| 12/02/2009 | CN101594119A Method for designing weak signal reading circuit of variable gain amplifier |
| 12/02/2009 | CN101594117A High-efficiency ultralinear DFFA mobile digital television and mobile broadband communication power amplifier |
| 12/02/2009 | CN101592973A Regulating device and audio amplifier |
| 12/02/2009 | CN100566176C Automatic gain control apparatus |
| 12/01/2009 | US7627130 Circuit and method for automatically limiting the amplitude of broadcast audio signals |
| 12/01/2009 | US7626616 Automatic gain control circuit with exposure control circuit |
| 12/01/2009 | US7626459 High frequency amplifier circuit and mobile communication terminal using the same |
| 11/26/2009 | WO2009143385A2 A method and apparatus for adjusting audio for a user environment |
| 11/26/2009 | WO2009142903A2 Rms detector with automatic gain control |
| 11/26/2009 | WO2009141482A1 Ambient sound capture and management device |
| 11/26/2009 | US20090290727 Hybrid digital/analog loudness-compensating volume control |
| 11/26/2009 | US20090290726 Announcement System for a Building Transport |
| 11/26/2009 | US20090290721 Method and System for Automatic Level Reduction |
| 11/26/2009 | US20090290718 Method and Apparatus for Adjusting Audio for a User Environment |
| 11/26/2009 | US20090289719 Preserving Linearity of a RF Power Amplifier |
| 11/26/2009 | US20090289718 Integrated circuit arrangement for generating a digital variable gain control signal |
| 11/26/2009 | DE19619304B4 Rundfunkempfänger Broadcast radio receiver |
| 11/25/2009 | EP2124347A2 Radio transmission apparatus |
| 11/25/2009 | EP2124331A1 Amplification circuit for driving a diffuser |
| 11/25/2009 | EP2122828A1 Hybrid digital/analog loudness-compensating volume control |
| 11/25/2009 | EP2122827A1 Flexible dynamic range amplifier |
| 11/25/2009 | EP2122826A1 Amplifier with integrated filter |
| 11/25/2009 | CN100563099C Method and system for dynamically regulating broadcast sound volume according to wavelength |
| 11/25/2009 | CN100563098C Circuits and methods for signal gain control |
| 11/25/2009 | CN100563097C Mutually supplementary gain control circuit |
| 11/25/2009 | CN100562917C Voltage conversion device with non-linear gain |
| 11/24/2009 | US7623896 Wireless communication circuit and wireless communication apparatus using the same |
| 11/24/2009 | US7623829 Transceiver power detection and control architecture |
| 11/24/2009 | US7623600 High speed receive equalizer architecture |
| 11/24/2009 | US7622992 Power amplifier circuit having a bias signal inputted into input terminal and method thereof |
| 11/19/2009 | WO2009138361A1 Technique for controlling a gain of a receiver |
| 11/19/2009 | WO2009138127A1 Agc low threshold signal level detection |
| 11/19/2009 | WO2009138125A1 Wcdma agc receiver snr adjustment and signalling |
| 11/19/2009 | WO2009058948A3 Programmable gain circuit |
| 11/19/2009 | US20090287496 Loudness enhancement system and method |
| 11/19/2009 | US20090285413 Workstation privacy apparatus |
| 11/19/2009 | US20090285407 Method and Apparatus for Providing Audio Motion Feedback in a Simulated Three-Dimensional Environment |
| 11/19/2009 | US20090285331 Control of power amplifiers in devices using transmit beamforming |
| 11/19/2009 | US20090284316 Amplifier device |
| 11/19/2009 | DE102009015056A1 Adaptive Anfangslautstärkeeinstellungen für ein Fahrzeugaudiosystem Adaptive initial volume settings for a vehicle audio system |
| 11/18/2009 | EP2120384A1 Audio processor |
| 11/18/2009 | EP2120351A1 An AMPS receiver system using a zero-if architecture |
| 11/18/2009 | EP2120336A1 Technique for controlling a gain of a receiver |
| 11/18/2009 | EP2119018A1 Techniques to deterministically reduce signal interference |
| 11/18/2009 | EP2119003A2 System and method for acquisition in wireless communication systems |
| 11/18/2009 | EP2119002A2 A multi-rate tracking circuit |
| 11/18/2009 | CN201349272Y CRT television mute control circuit |
| 11/18/2009 | CN201349201Y Temperature gain control circuit applied to audio-frequency amplifier |
| 11/18/2009 | CN201349200Y Photo-electrical analog volume control circuit applied to audio-frequency amplifier |
| 11/18/2009 | CN101584113A Transmission device and transmission power control method |
| 11/17/2009 | US7619480 Distributed class G type amplifier switching method |
| 11/17/2009 | US7619477 Current sense amplifier for voltage converter |
| 11/12/2009 | WO2009137040A1 Apparatus and method for gain correction in an image sensor |
| 11/12/2009 | WO2009136932A1 Agc for slicer-based low power demodulator |
| 11/12/2009 | WO2009136202A1 Amplifier circuit |
| 11/12/2009 | US20090279618 Wireless transmitting and receiving device and method |
| 11/12/2009 | US20090278606 Agc for slicer-based low power demodulator |
| 11/12/2009 | DE112008000309T5 Verstärkungskontrollgerät, Testsignalerzeugungsmodul, Testgerät, Verstärkungskontrollverfahren, Programm und Aufnahmemedium Gain control device, test signal generation module tester, gain control method, program, and recording medium |
| 11/11/2009 | EP1456945B1 Automatic gain control for a tuner |
| 11/11/2009 | EP1264411B1 Transmitter architectures for communications systems |
| 11/11/2009 | CN101578838A Symbol scaling with automatic gain control for wireless communication |
| 11/11/2009 | CN101577558A Wireless receiving system and method with automatic gain control |
| 11/11/2009 | CN101577530A Multi-passage power control circuit and method thereof |
| 11/11/2009 | CN100559725C Improvements relating to polyphase receivers |
| 11/11/2009 | CN100559704C Photo-receiving pre-amplifier |
| 11/10/2009 | USRE40960 Switched signal processing circuit |
| 11/10/2009 | US7617109 Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
| 11/10/2009 | US7616767 Method and device for determining acoustical transfer impedance |
| 11/10/2009 | US7616060 Power amplifier |
| 11/05/2009 | US20090276067 System and method for adjusting an audio signal |
| 11/05/2009 | US20090275322 Prevention of audio pop in a digital audio device |
| 11/05/2009 | US20090274323 Volume controlled prental music belt |