| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 07/04/2012 | CN102549919A Protection circuit for power amplifier |
| 07/04/2012 | CN102545813A Automatic gain control circuit with digital signal compensation function |
| 07/04/2012 | CN102545812A Volume control method for multi-task system |
| 07/04/2012 | CN102545811A Automatic gain system signal and gain synchronous acquisition device and method |
| 07/04/2012 | CN102545810A Radio frequency power amplifier for battery of wireless communication system |
| 07/04/2012 | CN102545809A Changeable gain amplifying device and wireless communication device |
| 07/04/2012 | CN102545798A High-precision adjustable power amplifier |
| 07/04/2012 | CN102545787A Gain digital type adjustable frequency mixer in radio frequency identification |
| 07/04/2012 | CN101727911B Noise suppression device and noise suppression method |
| 07/04/2012 | CN101573866B Hybrid digital/analog loudness-compensating volume control |
| 07/04/2012 | CN101432965B Audio gain control using specific-loudness-based auditory event detection |
| 07/04/2012 | CN101350604B Apparatus and method for automatically switching volume control mode |
| 07/04/2012 | CN101320961B Power amplification circuit |
| 07/04/2012 | CN101102096B Method, device and receiver unit for controlling one or more analog circuits by a serial bus |
| 07/03/2012 | US8214179 Acoustic modeling apparatus and method using accelerated beam tracing techniques |
| 07/03/2012 | US8213639 Sound and light control apparatus |
| 07/03/2012 | US8212618 Variable gain amplifier |
| 06/28/2012 | WO2012086485A1 Audio control device and image capture device |
| 06/28/2012 | US20120163632 Charge pump circuit |
| 06/28/2012 | US20120163631 Automatic audio signal level adjustment circuit |
| 06/28/2012 | US20120163630 Audio processing apparatus, audio processing system, audio processing method |
| 06/28/2012 | US20120163629 Calculating and Adjusting the Perceived Loudness and/or the Perceived Spectral Balance of an Audio Signal |
| 06/28/2012 | US20120163621 Original equipment manufacturer ("oem") integration amplifier |
| 06/28/2012 | US20120163611 Noise control circuit and audio receiving system using the same |
| 06/28/2012 | US20120162522 Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor |
| 06/28/2012 | US20120162521 Audio/video device having a volume control functin for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor |
| 06/28/2012 | US20120162520 Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor |
| 06/28/2012 | US20120162471 Audio signal processing device, audio signal processing method, and program |
| 06/28/2012 | US20120161878 Power amplifier control circuit |
| 06/28/2012 | US20120161875 Amplification Circuit |
| 06/28/2012 | US20120161866 Bias current control method and driving circuit for operational amplifier |
| 06/28/2012 | DE19755897B4 Vorrichtung zur Synchronisierung eines Nachrichtenempfängers Apparatus for synchronization of a message recipient |
| 06/28/2012 | DE102010061060A1 Leistungsverstärker für Hochfrequenzanwendungen im Schaltermodus Power amplifier for high frequency applications in switch mode |
| 06/27/2012 | EP2469707A1 Automatic gain control device for satellite positioning receivers |
| 06/27/2012 | EP2469706A2 Low noise CMOS transmitter circuit with high range of gain |
| 06/27/2012 | EP2467937A1 Protection circuit for power amplifier |
| 06/27/2012 | CN102522961A Portable audio device providing automated control of audio volume parameters for hearing protection |
| 06/27/2012 | CN102522960A Hardware-controlled automatic intermediate-frequency gain control method for vector network analyzer |
| 06/27/2012 | CN101388216B Sound processing device, apparatus and method for controlling gain |
| 06/27/2012 | CN101232292B Method and system for suppressing moderate double channel civil aviation ground and aviation communication constant module interference |
| 06/26/2012 | US8209180 Speech synthesizing device, speech synthesizing method, and program |
| 06/26/2012 | US8208660 Method and system for audio level detection and control |
| 06/26/2012 | US8208656 Array microphone system including omni-directional microphones to receive sound in cone-shaped beam |
| 06/26/2012 | US8208648 Sound field reproducing device and sound field reproducing method |
| 06/21/2012 | WO2012082445A1 Cancelation of gain change due to amplifier self-heating |
| 06/21/2012 | WO2012080161A1 Real time transmission power control |
| 06/21/2012 | US20120157010 Electrical Power Amplifier Circuit, and Transmission Device and Communication Device Using the Same |
| 06/21/2012 | US20120155758 Electronic component with three associated functions |
| 06/21/2012 | US20120155674 Sound processing apparatus and recording medium storing a sound processing program |
| 06/21/2012 | US20120155659 Audio Gain Control Using Specific-Loudness-Based Auditory Event Detection |
| 06/21/2012 | US20120155658 Content reproduction device and method, and program |
| 06/21/2012 | US20120155657 Communication device and communication methods |
| 06/21/2012 | US20120155452 Wireless transmitting and receiving device and method |
| 06/21/2012 | US20120154053 Power Transistor Output Match Network with High Q RF Path and Low Q Low Frequency Path |
| 06/21/2012 | US20120154037 Amplifier current consumption control |
| 06/21/2012 | US20120154035 Amplifying device |
| 06/20/2012 | EP2466917A2 Audio-signal processing apparatus and method, and program |
| 06/20/2012 | EP2466882A1 Distribution system for a telecommunications network |
| 06/20/2012 | EP2465200A1 System for increasing perceived loudness of speakers |
| 06/20/2012 | EP1897219B1 Receiver having digital automatic gain control |
| 06/20/2012 | EP1712000B1 Staggered agc with digitally controlled vga |
| 06/20/2012 | CN202282762U 一种低功耗宽带低噪声放大器 A low-power wideband low-noise amplifier |
| 06/20/2012 | CN101060313B Hearing protection method and sound output device |
| 06/19/2012 | US8204258 Multiband audio dynamics processor |
| 06/19/2012 | US8204257 System and method for increasing ring tone volume |
| 06/19/2012 | US8204256 System and method for muting TV speakers when headphones in use |
| 06/19/2012 | US8204240 Apparatus and method for artificial reverberation |
| 06/19/2012 | US8203385 Input stage for an amplifier |
| 06/14/2012 | WO2012079090A2 Fast power up comparator |
| 06/14/2012 | US20120148055 Audio processing apparatus, audio receiver and method for providing audio thereof |
| 06/14/2012 | US20120146730 Cancelation of Gain Change Due to Amplifier Self-Heating |
| 06/14/2012 | US20120146729 Amplifier device |
| 06/14/2012 | US20120146727 Fast power up comparator |
| 06/13/2012 | EP1776756B1 Rf power sensing circuit |
| 06/13/2012 | CN102498664A Adaptive gain control for digital audio samples in a media stream |
| 06/13/2012 | CN102497169A Gain self-correction circuit and optical fiber transimpedance amplifier with same |
| 06/13/2012 | CN102497168A Intelligent volume limiting device and method |
| 06/13/2012 | CN101485083B Variable gain amplifier having linear-in-dB gain characteristic |
| 06/13/2012 | CN101461136B Method and system for automatic gain control during signal acquisition |
| 06/13/2012 | CN101228458B GPS receiver with improved immunity to collocated transmissions and method thereof |
| 06/12/2012 | US8200174 Systems and methods for controlling a transmitter |
| 06/12/2012 | US8199934 Audio level compressor |
| 06/12/2012 | US8199933 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 06/12/2012 | US8199921 Sound field controlling device |
| 06/12/2012 | US8198940 Self-calibrating gain control system |
| 06/12/2012 | US8198939 Amplifier with automatic gain profile control and calibration |
| 06/07/2012 | WO2012075202A1 Adaptive gain adjustment system |
| 06/07/2012 | WO2012074503A1 Dynamic microphone signal mixer |
| 06/07/2012 | WO2012072122A1 Receiver gain adjustment to reducing an influence of a dc offset |
| 06/07/2012 | US20120142294 Fine gain tuning |
| 06/07/2012 | US20120140955 Touch input based adjustment of audio device settings |
| 06/07/2012 | US20120140954 Adjusting acoustic speaker output based on an estimated degree of seal of an ear about a speaker port |
| 06/07/2012 | US20120140938 Apparatus and method for generating audio signal having sound enhancement effect |
| 06/07/2012 | US20120139636 Power Amplifier System with a Current Bias Signal Path |
| 06/07/2012 | US20120139635 Gate-Based Output Power Level Control Power Amplifier |
| 06/07/2012 | US20120139633 Semiconductor integrated circuit and tuner system including the same |
| 06/06/2012 | EP2460156A1 Method and device for eliminating background noise |
| 06/06/2012 | CN202268852U 一种具有温度补偿功能的agc电路 Agc circuit having a temperature compensation function |
| 06/06/2012 | CN202268851U 按键式通用手机耳机音量控制电路 Touchtone phone headset volume control circuit common |
| 06/06/2012 | CN202268846U Medium-intensity magnetic sensor circuit |