| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 04/13/2011 | EP2309643A1 R/2R programmable gain amplifier |
| 04/13/2011 | EP2308245A2 A system and a method for configuring af loudspeaker system |
| 04/13/2011 | CN201797489U Device for automatically controlling voice volume of parking management system |
| 04/13/2011 | CN102017403A Agc for slicer-based low power demodulator |
| 04/13/2011 | CN102017402A System for adjusting perceived loudness of audio signals |
| 04/13/2011 | CN102017399A Amplifier design with biasing and power control aspects |
| 04/13/2011 | CN102013878A Adaptive delta modulation system based on sequential logical circuit and operational amplifier |
| 04/13/2011 | CN101411060B Loudness modification of multichannel audio signals |
| 04/13/2011 | CN101175279B Method and system for processing signal in a communication system |
| 04/13/2011 | CN101136642B Self-calibrating direct conversion transmitter with converting/steering device |
| 04/12/2011 | US7924098 High frequency amplifier circuit and mobile communication terminal using the same |
| 04/07/2011 | US20110081029 Acoustic processing device |
| 04/07/2011 | US20110081028 Addressable amplified speaker assembly and method for addressing the same |
| 04/07/2011 | US20110081027 Audio repair methods and apparatus |
| 04/07/2011 | US20110081025 Efficient filter for artificial ambience |
| 04/07/2011 | US20110080219 Automatic gain control |
| 04/07/2011 | US20110080218 Integrated circuit of an integrator with enhanced stability and related stabilization method |
| 04/07/2011 | DE10358559B4 Tragbares Endgerät mit Mehrzweck-Kopfhöreranschluß The portable terminal with multi-purpose headphone jack |
| 04/07/2011 | DE102009045282A1 Audio system's i.e. entertainment system, sound level controlling method for use in motor vehicle, involves reducing sound level of audio system or switching off audio system when determined value of parameter exceeds threshold value |
| 04/06/2011 | CN201789473U Amplifier electric adjusting gain balanced circuit for base station |
| 04/06/2011 | CN102007689A Device power detector |
| 04/06/2011 | CN102007688A Automatic gain controller, transceiver and automatic gain-control method thereof |
| 04/06/2011 | CN101557205B Mixed-mode AGC loop |
| 03/31/2011 | US20110075862 Method and Apparatus for Mute Control |
| 03/31/2011 | US20110075861 Method and Apparatus for Controlling Audio Input Amplitude |
| 03/31/2011 | US20110074505 Offset Voltage Calibration Method and Apparatus and Amplifier Thereof |
| 03/30/2011 | EP2301285A1 Method and arrangement in a cellular communications system |
| 03/30/2011 | EP1886313B1 Processing an information carrying signal for automatic gain conrtol |
| 03/30/2011 | EP1832010B1 Wireless communication unit and power control system thereof |
| 03/30/2011 | CN201781463U Operational amplifier grain control circuit |
| 03/30/2011 | CN201781462U ALC (automatic level control) circuit |
| 03/30/2011 | CN101998204A Control method and control system for recognizing sound source to regulate sound volume of automobile horn |
| 03/30/2011 | CN101997499A AGC (Automatic Gain Control) circuit for transimpedance amplifier |
| 03/30/2011 | CN101997498A Volume adjusting method and device |
| 03/30/2011 | CN101997489A Amplifier and implementation method thereof |
| 03/30/2011 | CN101995900A Gradient voltage generator used for continuous variable gain amplifier |
| 03/30/2011 | CN101572531B Discrimination circuit, gain adjustment circuit, signal processing circuit, and electric device |
| 03/29/2011 | US7917106 RF power amplifier controller circuit including calibrated phase control loop |
| 03/29/2011 | US7916876 System and method for reconstructing high frequency components in upsampled audio signals using modulation and aliasing techniques |
| 03/29/2011 | US7915956 Vector modulator having attenuators with continuous input steering |
| 03/29/2011 | US7915955 Bias balancing circuit |
| 03/29/2011 | US7915954 Amplifier predistortion and autocalibration method and apparatus |
| 03/24/2011 | WO2011034706A2 Volume adjustment based on listener position |
| 03/24/2011 | US20110069846 Audio processing methods and apparatuses utilizing the same |
| 03/24/2011 | US20110069841 Volume adjustment based on listener position |
| 03/24/2011 | US20110068867 System and method for interpolating digitally-controlled amplifier gain |
| 03/24/2011 | US20110068866 Amplifying device |
| 03/23/2011 | EP2299591A1 Ambient sound capture and management device |
| 03/23/2011 | EP2299590A1 Acoustic processing device |
| 03/23/2011 | EP2297977A1 Acoustic processing method and apparatus |
| 03/23/2011 | EP2297851A1 Agc low threshold signal level detection |
| 03/23/2011 | EP2297850A1 Wcdma agc receiver snr adjustment and signalling |
| 03/23/2011 | EP2297849A1 Methods and systems of agc and dc calibration for ofdm/ofdma systems |
| 03/23/2011 | EP2297848A1 Combined dual feed-forward and feedback analog and digital automatic gain control for broadband communication |
| 03/23/2011 | EP2297847A2 Rf power amplifiers with linearization |
| 03/23/2011 | EP1673859B1 Method and apparatus for resetting a buffer amplifier |
| 03/23/2011 | CN101989843A Automatic gain control system having hysteresis switching |
| 03/23/2011 | CN101048935B Method and device for controlling the perceived loudness and/or the perceived spectral balance of an audio signal |
| 03/22/2011 | US7912505 Method for operating a base station by prelimiting an output signal station |
| 03/22/2011 | US7912436 LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
| 03/22/2011 | US7912233 Speaker system for musical instruments |
| 03/22/2011 | US7912226 Automatic measurement of audio presence and level by direct processing of an MPEG data stream |
| 03/22/2011 | US7911293 Thermometer coded attenuator |
| 03/22/2011 | US7908924 Sound focusing mechanism and method of estimating acoustic leakage of an object and method of estimating transmission loss of an object |
| 03/17/2011 | WO2011030681A1 Attenuation control device, signal attenuation device, automatic gain control device, attenuation control method, and automatic gain control method |
| 03/17/2011 | WO2011030512A1 Time-division duplex communication device and method for preventing interference to reception by the same |
| 03/17/2011 | US20110064246 Microphone Interface and Method of Operation |
| 03/17/2011 | US20110064245 Half-bridge three-level pwm amplifier and audio processing apparatus including the same |
| 03/17/2011 | US20110064235 Microphone and audio signal processing method |
| 03/17/2011 | US20110064234 Reflector structure, sound field adjusting method, columnar reflector structure, room, program, and various acoustic room designing system |
| 03/17/2011 | US20110064233 Method, apparatus and system for synthesizing an audio performance using Convolution at Multiple Sample Rates |
| 03/17/2011 | US20110063321 Image processing apparatus and method of controlling the same |
| 03/17/2011 | US20110063034 System and method for digital control of amplifier gain with reduced zipper noise |
| 03/17/2011 | US20110063030 Cmos variable gain amplifier |
| 03/16/2011 | EP2296412A1 Wireless communication unit and power control system thereof |
| 03/16/2011 | EP2296285A1 Device for processing band-restricted radio frequency signals, system and method thereof |
| 03/16/2011 | EP2296270A2 Method for removing pop-up noise in mobile device |
| 03/16/2011 | EP2296269A2 Power amplifier controller circuit |
| 03/16/2011 | EP2294690A1 Agc for slicer-based low power demodulator |
| 03/16/2011 | CN201766557U Radio frequency (RF) power amplitude limiting circuit |
| 03/16/2011 | CN1578536B Head earphone system and its power supply method and power supply |
| 03/15/2011 | US7907739 Method of volume controlling |
| 03/15/2011 | US7907589 Reception apparatus and reception method |
| 03/15/2011 | US7907014 System and method for dynamic drain voltage adjustment to control linearity, output power, and efficiency in RF power amplifiers |
| 03/10/2011 | US20110058690 Acoustic Processing Apparatus |
| 03/10/2011 | US20110058689 Audio Apparatus |
| 03/10/2011 | US20110058688 Audio processing apparatus and method |
| 03/10/2011 | US20110057729 Gain control circuit and its gain control method |
| 03/08/2011 | US7903826 Headset with ambient sound |
| 03/08/2011 | US7903825 Personal audio playback device having gain control responsive to environmental sounds |
| 03/08/2011 | US7902656 Hybrid integrated circuit device, and method for fabricating the same, and electronic device |
| 03/03/2011 | WO2011024846A1 Detector device, and amplification device, transmission device, and communication device using the detector device |
| 03/03/2011 | WO2010129065A3 Variable gain amplifier |
| 03/03/2011 | US20110053543 Automatic gain control with state machine controller feedback |
| 03/03/2011 | US20110053533 Method and apparatus for optimizing transmitter power efficiency |
| 03/03/2011 | US20110051959 Sound Volume Adjusting Apparatus |
| 03/03/2011 | US20110051016 Remote control and method for automatically adjusting the volume output of an audio device |
| 03/03/2011 | US20110050347 Method and System for Amplifier Control |
| 03/03/2011 | US20110050346 Method and Apparatus for Compensating for Gain Changes in an Amplifier Circuit |
| 03/03/2011 | DE10148584B4 Empfänger und Verfahren zur Unterdrückung von kurzzeitigen Störpulsen mit Bursts Receiver and method for suppressing interference pulses with brief bursts |