| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 07/28/2009 | US7567123 Adaptive bias current circuit and method for amplifiers |
| 07/28/2009 | CA2430326C Method and device for regulating the power of millimeter waves for a v-band tr module |
| 07/23/2009 | WO2009091364A1 Automatic gain control with state machine controller feedback |
| 07/23/2009 | US20090185642 Automatic gain control using signal and interference power to obtain extended blocking performance |
| 07/23/2009 | US20090184768 Attenuation Compensating Circuit |
| 07/23/2009 | US20090184764 Power supply providing ultrafast modulation of output voltage |
| 07/23/2009 | DE202009004108U1 Gerichteter Monitorlautsprecher Directional monitor speakers |
| 07/22/2009 | EP2081292A2 Method and system for an adaptive AGC reference for HSDPA and WCDMA |
| 07/22/2009 | CN101490951A Radio frequency power amplifier circuit and method |
| 07/22/2009 | CN101490950A A method of limiting the maximum permitted sound volume in an earphone, and an earphone for carrying out the method |
| 07/22/2009 | CN100517990C Radio receiver, radio reception integrated circuit, radio clock, and repeater |
| 07/22/2009 | CN100517987C Signal processing circuit |
| 07/22/2009 | CN100517962C Fast automatic gain control method |
| 07/22/2009 | CN100517961C Sound-volume regulating device and method |
| 07/21/2009 | US7565125 Telecommunications receiver with automatic gain control |
| 07/21/2009 | US7565117 Control of power amplifiers in devices using transmit beamforming |
| 07/21/2009 | US7564311 Method and apparatus to enhance linearity and efficiency in an RF power amplifier |
| 07/21/2009 | US7564310 Amplifier for improving electrostatic discharge characteristic |
| 07/16/2009 | US20090180642 Accessory adapter with user input interface |
| 07/16/2009 | US20090180634 Musical instrument effects processor |
| 07/16/2009 | US20090180624 Voice Processor, Voice Processing Method, Program, and Information Recording Medium |
| 07/16/2009 | DE10035066B4 System zur speichergestützten Lasteinstellung eines Verstärkers System for memory-based load setting of an amplifier |
| 07/15/2009 | CN101485083A Variable gain amplifier having linear-in-dB gain characteristic |
| 07/15/2009 | CN101483415A Sound/voice processing apparatus, sound/voice processing method, and sound/voice processing program |
| 07/15/2009 | CN101483414A Voice intelligibility enhancement system and voice intelligibility enhancement method |
| 07/15/2009 | CN101483413A Method, apparatus and loudspeaker for volume regulation |
| 07/15/2009 | CN100514989C Microphone gains regulator of communication device |
| 07/15/2009 | CN100514852C Power amplifier circuit and method for amplifying RF signals |
| 07/15/2009 | CN100514848C Broad-band high frequency linear amplifier and integrated circuit chip |
| 07/14/2009 | US7561863 Automatic gain control device |
| 07/14/2009 | US7561708 Hearing aid |
| 07/14/2009 | US7561703 Audio system, audio apparatus, and method for performing audio signal output processing |
| 07/14/2009 | US7561699 Environmental reverberation processor |
| 07/14/2009 | US7561030 Ambient noise controlled buzzer answerback |
| 07/14/2009 | US7560992 Dynamically biased amplifier |
| 07/14/2009 | US7560990 Low noise amplifier and low noise amplifying method |
| 07/14/2009 | US7560984 Transmitter |
| 07/09/2009 | WO2009086174A1 System for adjusting perceived loudness of audio signals |
| 07/09/2009 | WO2009084098A1 Fm amplifier for car radio and fm receiver with the same |
| 07/09/2009 | WO2009083467A1 A controller |
| 07/09/2009 | US20090175468 Methods for preventing unwanted sound caused by gain changes |
| 07/09/2009 | US20090175459 Voice Intelligibility Enhancement System and Voice Intelligibility Enhancement Method |
| 07/09/2009 | US20090175237 Method And Apparatus For Selective Disregard Of Co-Channel Transmissions On A Medium |
| 07/09/2009 | US20090174823 Equalizer Interface for Electronic Apparatus |
| 07/09/2009 | US20090174484 Power amplifier |
| 07/09/2009 | US20090174483 Gain-controlled low noise amplifier means |
| 07/09/2009 | US20090174475 Smart linearized power amplifier and related systems and methods |
| 07/09/2009 | US20090174060 Hybrid integrated circuit device, and method for fabricating the same, and electronic device |
| 07/08/2009 | EP1287620A4 Method and system for power line null detection and automatic frequency and gain control |
| 07/08/2009 | CN101478296A Gain control method and apparatus in multi-channel system |
| 07/08/2009 | CN100512337C Bluetooth headset and method for informing user of incoming call signal using the same |
| 07/08/2009 | CN100512257C Dynamically varying linear system for an RF front-end of a communication device |
| 07/08/2009 | CN100512070C Automatic gain control circuit and method thereof, and demodulation apparatus using the same |
| 07/08/2009 | CN100511984C Wave damping protecting device of microphone |
| 07/08/2009 | CN100511983C Automatic gain control method |
| 07/08/2009 | CN100511973C Voltage to current converter and method for converting |
| 07/07/2009 | US7558551 Signal distribution system cascadable AGC device and method |
| 07/07/2009 | US7558547 Radio receiver that changes function according to the output of an internal voice-only detector |
| 07/07/2009 | US7558540 Method and apparatus for regulating the transmitted power in multi-rate wireless communication systems |
| 07/07/2009 | US7558391 Compander architecture and methods |
| 07/07/2009 | US7558158 Electronic apparatus and method for implementing an intelligent wake mode |
| 07/07/2009 | US7558014 Programmable high pass amplifier for perpendicular recording systems |
| 07/07/2009 | US7557653 Shared linearity maintenance in power amplifiers |
| 07/02/2009 | WO2009081541A1 Receiver and gain control method |
| 07/02/2009 | WO2009080578A1 A method and device for automatic gain control |
| 07/02/2009 | US20090169026 Sound effect circuit and processing method |
| 07/02/2009 | US20090169023 Method for controlling volume of a multimedia player |
| 07/02/2009 | US20090167435 Power control circuit and power control method |
| 07/02/2009 | DE102008061373A1 Verbesserte Leistungssteuerschleife, Sender mit der Leistungssteuerschleife und Verfahren zum Steuern einer Ausgangsleistung einer Sendervorrichtung Improved power control loop control in the power control loop and method for controlling an output of a transmitter device |
| 07/01/2009 | EP1552603B1 A power amplifier system |
| 07/01/2009 | EP1518335B1 Method for tuning an envelope tracking amplification system |
| 07/01/2009 | CN101471636A Amplifier with variable gain and high dynamic range |
| 07/01/2009 | CN101471635A Method for controlling volume of a multimedia player |
| 07/01/2009 | CN100508659C Power amplifying system and method |
| 07/01/2009 | CN100508377C Digital AGC circuit |
| 06/30/2009 | US7555274 Radio receiver and radio receiving method |
| 06/30/2009 | US7555272 Transmission arrangement for transmitting data continuously in the time domain |
| 06/30/2009 | US7555270 Wide dynamic range power detection in a communication system |
| 06/30/2009 | US7555131 Multi-channel relative amplitude and phase display with logging |
| 06/30/2009 | US7554396 Power amplifier circuit for peak envelope modulation of high frequency signal |
| 06/30/2009 | US7554395 Automatic low battery compensation scaling across multiple power amplifier stages |
| 06/30/2009 | US7554376 Offset correcting method, offset correcting circuit, and electronic volume |
| 06/30/2009 | CA2566784C Detection and elimination of oscillation within cellular network amplifiers |
| 06/25/2009 | WO2009079468A2 Amplifier with dynamic bias |
| 06/25/2009 | WO2009077665A1 Audio or audio-video player including means for acquiring an external audio signal |
| 06/25/2009 | US20090161889 Dynamic range controller |
| 06/25/2009 | US20090161888 Auto gain control amplifier, auto gain control system and auto gain control method |
| 06/25/2009 | US20090161886 Microphone unit and sound input apparatus |
| 06/25/2009 | US20090161883 System for adjusting perceived loudness of audio signals |
| 06/25/2009 | US20090160556 System and Method for Providing a Configurable Inductor Less Multi-Stage Low-Noise Amplifier |
| 06/25/2009 | DE102008018024B3 Announcement outputting method for e.g. public place, involves determining environment volume at place or in area before output of announcement, and performing recording of events at place and/or within area by camera |
| 06/24/2009 | EP2073473A1 A Method and Device for Automatic Gain Control |
| 06/24/2009 | EP2073383A1 Amplifier arrangement |
| 06/24/2009 | EP1851852A4 Power control circuit for accurate control of power amplifier output power |
| 06/24/2009 | EP1611741B1 Integrated tuner |
| 06/24/2009 | EP1538744B1 Gain-controlled amplifier, receiver circuit and radio communication device |
| 06/24/2009 | CN101465625A Device and method for automatically adjusting gain |
| 06/24/2009 | CN100505560C Wireless receiving device |
| 06/24/2009 | CN100505558C Radio frequency signal bias control using bypass conversion for low power high linearity receiver |
| 06/24/2009 | CN100505530C Volume control method and system |