| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 05/03/2012 | US20120106759 Speaker system and method for optimizing output of speaker thereof |
| 05/03/2012 | US20120106748 System for simulated multi-gear vehicle sound generation |
| 05/03/2012 | US20120106747 System and Method for Automatic Selection of Audio Configuration Settings |
| 05/03/2012 | US20120106745 Audio processing system |
| 05/03/2012 | US20120106743 Loudness Modification of Multichannel Audio Signals |
| 05/03/2012 | US20120106110 Hybrid integrated circuit device, and method for fabricating the same, and electronic device |
| 05/03/2012 | US20120105157 Variable gain amplifier |
| 05/03/2012 | US20120105152 Joint optimisation of supply and bias modulation |
| 05/03/2012 | US20120105151 Transmission circuit and transmission method |
| 05/03/2012 | US20120105150 Joint optimisation of supply and bias modulation |
| 05/02/2012 | EP2448254A2 Solid-state image pickup device |
| 05/02/2012 | EP1971094B1 Light receiver |
| 05/02/2012 | CN102439850A A method and apparatus for providing information about the source of a sound via an audio device |
| 05/02/2012 | CN102437825A Control apparatus and control method |
| 05/02/2012 | CN101507103B Multi-function passive frequency mixer |
| 05/01/2012 | US8170884 Use of voice-to-remaining audio (VRA) in consumer applications |
| 05/01/2012 | US8170425 Optical signal receiving circuit |
| 05/01/2012 | US8170221 Audio enhancement system and method |
| 05/01/2012 | US8169260 Amplifier circuit utilizing characteristic correction and smooth curvilinear correction |
| 04/26/2012 | WO2012051739A1 Switch used in programmable gain amplifilier and programmable gain amplifilier |
| 04/26/2012 | US20120099829 Recording level adjustment using a distance to a sound source |
| 04/26/2012 | US20120098601 Amplifying circuit |
| 04/26/2012 | US20120098600 Gain control in a shared rf front-end path for different standards that use the same frequency band |
| 04/25/2012 | EP2443744A1 Method and circuit for controlling an output of an audio signal of a battery-powered device |
| 04/25/2012 | EP2443743A2 Methods and apparatus for initial acquisition in a communication system |
| 04/25/2012 | EP2443742A1 Detection circuit for overdrive conditions in a wireless device |
| 04/25/2012 | EP1894301B1 Circuit and method for automatic gain control |
| 04/25/2012 | CN1898988B Audio output apparatus |
| 04/24/2012 | US8165478 Optical receiver |
| 04/24/2012 | US8165325 Automotive virtual surround audio system |
| 04/24/2012 | US8165320 Audio/video device having a volume control function for external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor |
| 04/24/2012 | US8165319 Method and system for reproducing an audio signal |
| 04/24/2012 | US8165318 Process for adjusting the sound volume of a digital sound recording |
| 04/24/2012 | US8165309 System and method for simulation of non-linear audio equipment |
| 04/24/2012 | US8164381 Open-loop line driver control method and apparatus |
| 04/24/2012 | CA2640162C Supply voltage control for a power amplifier |
| 04/19/2012 | WO2012048976A1 Drive device for a medical pump having a stepper motor |
| 04/19/2012 | WO2012048606A1 System and method for automatic gain control |
| 04/19/2012 | US20120094727 Power amplification circuit and communication apparatus |
| 04/19/2012 | US20120093342 Microphone link system |
| 04/19/2012 | US20120093330 Aural simulation system and method |
| 04/19/2012 | US20120092249 Accessing Accelerometer Data |
| 04/19/2012 | DE102004063722B4 Schaltung zur Reduzierung von Intermodulation zweiter Ordnung und Direktwandlungsempfänger Circuit for reducing second order intermodulation and direct conversion receiver |
| 04/18/2012 | EP1650890B1 Radio receiver and automatic gain control method |
| 04/18/2012 | CN102422349A Gain control apparatus and gain control method, and voice output apparatus |
| 04/18/2012 | CN102420576A Audio operational amplification circuit structure and audio output circuit structure |
| 04/18/2012 | CN101960941B 激光控制平地接收器电路 Laser control circuit ground receiver |
| 04/18/2012 | CN101741331B 激光接收器用脉冲放大处理器 Used for pulse amplification laser receiver processor |
| 04/18/2012 | CN101297478B 控制脉冲模式放大器双峰值功率电平的方法和装置 Method and apparatus for controlling the double-pulse mode amplifier peak power level |
| 04/18/2012 | CN101237269B Tdd系统中实现单路射频双向放大的方法 Tdd system way to achieve bi-amplified single-channel RF |
| 04/17/2012 | US8160275 Apparatus and method for an integrated, multi-mode, multi-band, and multi-stage power amplifier |
| 04/17/2012 | US8159297 Transmission device, distortion compensation device, and distortion compensation method |
| 04/17/2012 | US8159295 Supply-modulated RF power amplifier and RF amplification methods |
| 04/17/2012 | US8159294 Multi-voltage headphone drive circuit |
| 04/12/2012 | WO2012045517A1 Optimizing power consumption of a base station |
| 04/12/2012 | US20120087516 System and methods for dynamically controlling atleast a media content with changes in ambient noise |
| 04/12/2012 | US20120087515 Circuit, system and method for isolating a transducer from an amplifier in an electronic device |
| 04/12/2012 | US20120087508 Computer enabled karaoke machine |
| 04/12/2012 | US20120087441 Method and apparatus for optimizing transmitter power efficiency |
| 04/12/2012 | US20120086592 Integrated Upstream Amplifier for Cable Modem and Cable Set-Top Boxes |
| 04/12/2012 | US20120086512 Method, system, and apparatus for RF switching amplifier |
| 04/12/2012 | US20120086508 Circuit for thermal protection in audio power amplifier and method thereof |
| 04/11/2012 | EP2439988A1 Optimizing power consumption of a base station |
| 04/11/2012 | EP2439987A1 Circuit and method for reducing radio-frequency power consumption of mobile phone |
| 04/11/2012 | EP2439850A1 Circuit, system and method for isolating a transducer from an amplifier in an electronic device |
| 04/11/2012 | EP2439843A1 Circuit and method for controlling multi-channel power |
| 04/11/2012 | CN202190252U 一种音量控制装置 A loudness control device |
| 04/11/2012 | CN102414746A 在保持感知谱平衡的情况下的音频信号响度调整 Adjust the loudness of the audio signal while maintaining the perceived spectral balance of the |
| 04/11/2012 | CN102412798A Radio frequency modulation output circuit and gain compensation amplifier thereof |
| 04/11/2012 | CN102412795A Adaptive adjustment of active area for power amplifier |
| 04/11/2012 | CN101819771B Method and apparatus for calculating and adjusting the perceived loudness of an audio signal |
| 04/10/2012 | US8155535 Optical receiver |
| 04/10/2012 | US8155349 Muting control device, muting control method, and muting control program |
| 04/10/2012 | US8155348 Post phase-inverter volume control |
| 04/10/2012 | US8155330 Dynamic audio parameter adjustment using touch sensing |
| 04/10/2012 | US8155329 Method for monitoring outside sound through a closed window and device therefor |
| 04/10/2012 | US8155328 Sound reproducing apparatus |
| 04/10/2012 | US8154341 Power amplifying apparatus |
| 04/07/2012 | CA2754575A1 Circuit, system and method for isolating a transducer from an amplifier in an electronic device |
| 04/05/2012 | US20120082322 Sound scene manipulation |
| 04/05/2012 | US20120082319 Spatial audio encoding and reproduction of diffuse sound |
| 04/04/2012 | EP2436212A2 Sensor uses in communication systems |
| 04/04/2012 | EP1190568B1 Automatic gain control |
| 04/04/2012 | CN102405595A Pa gain state switching based on waveform linearity |
| 04/04/2012 | CN102404059A Automatic gain control system with dual-RSSI interference detection |
| 04/04/2012 | CN102403971A 一种增益自动控制解调电路 One kind of automatic gain control demodulation circuit |
| 04/04/2012 | CN102403970A 一种数字图形均衡器的音量调节方法及装置 A digital graphic equalizer to adjust the volume method and apparatus |
| 04/03/2012 | US8150071 Voice output unit |
| 04/03/2012 | US8150051 System and method for sound system simulation |
| 04/03/2012 | US8150045 Automatic gain control system applied to an audio signal as a function of ambient noise |
| 04/03/2012 | US8150044 Method and device configured for sound signature detection |
| 04/03/2012 | US8149964 Symbol scaling with automatic gain control for wireless communication |
| 04/03/2012 | US8149057 Signal processing circuit |
| 03/29/2012 | WO2012040381A1 Amplitude control for oscillator |
| 03/29/2012 | WO2012039918A1 Audio stream mixing with dialog level normalization |
| 03/29/2012 | US20120076312 Noise Level Estimator |
| 03/29/2012 | US20120076311 Dynamic Gain Adjustment Based on Signal to Ambient Noise Level |
| 03/29/2012 | US20120076246 Automatic gain control device and electronic device |
| 03/29/2012 | DE19945665B4 Einrichtung zum Anzeigen von Kabellänge und -qualität Means for displaying cable length and quality |
| 03/29/2012 | DE102005028260B4 Verfahren und Vorrichtung zum Steuern eines Sendeleistungs-Verstärkers Method and device for controlling a transmit power amplifier |