Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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12/19/2012 | CN202617069U Controllable gain amplifier |
12/19/2012 | CN102832896A System and method for automatic gain control |
12/19/2012 | CN102829878A Direct-current bias amplifying circuit based microwave radiometer channel voltage control method |
12/19/2012 | CN101907983B 麦克风静音控制方法以及计算机 Microphone mute control method, and computer |
12/18/2012 | US8335331 Multichannel sound rendering via virtualization in a stereo loudspeaker system |
12/18/2012 | US8335325 Audio signal processing apparatus mixing plurality of input audio signals |
12/18/2012 | US8335324 Method and apparatus for automatic volume adjustment |
12/18/2012 | US8335318 Active noise reduction adaptive filtering |
12/18/2012 | US8334722 Systems and methods of RF power transmission, modulation and amplification |
12/18/2012 | US8334721 Integrated upstream amplifier for cable modem and cable set-top boxes |
12/13/2012 | US20120314886 Modifications of audio communications in an online environment |
12/13/2012 | US20120313709 Method and system for providing automatic gate bias and bias sequencing for field effect transistors |
12/13/2012 | US20120313708 Method and apparatus for automatically adjusting the bandwidth of an electronic amplifier |
12/13/2012 | US20120313702 Dual Rail Out-Phased Envelope Tracking Modulator |
12/12/2012 | EP2532306A1 Non-contact sensor for detecting the electrocardiogram of a user |
12/12/2012 | CN102820863A Dual-threshold automatic gain control circuit applied to class D audio frequency amplifiers |
12/12/2012 | CN102820856A RF power amplifier and RF power module using the same |
12/12/2012 | CN101800868B Receiving apparatus, imaging apparatus, and receiving method |
12/12/2012 | CN101207726B 讯号处理系统 Signal Processing System |
12/11/2012 | US8332669 Information handling system port security |
12/11/2012 | US8331573 Applause attenuation system |
12/11/2012 | US8331462 Method and apparatus for selective disregard of co-channel transmissions on a medium |
12/11/2012 | CA2723058C Direct conversion receiver architecture |
12/10/2012 | CA2779205A1 Reception system including a mechanism countering pulsed interference |
12/06/2012 | WO2012164794A1 Low-noise amplifier with through mode |
12/06/2012 | WO2012163424A1 Assembly with an analog data processing unit and method of using same |
12/06/2012 | US20120308050 Efficiency optimizer of an audio power amplifier for car radio |
12/06/2012 | US20120308044 Muting participants in a communication session |
12/06/2012 | US20120306572 Method of power amplifier calibration for an envelope tracking system |
12/05/2012 | EP2530835A1 Automatic adjustment of a speed dependent equalizing control system |
12/05/2012 | EP2530831A1 Audio amplifier circuit and method of operation thereof |
12/05/2012 | CN202586882U Device with automatic gain control |
12/05/2012 | CN101883418B Automatic gain control method of high-speed frequency hopping |
12/05/2012 | CN101370056B Digital audio automatic gain control method and its system |
12/04/2012 | US8325942 Volume control unit |
12/04/2012 | US8325933 Device and method for generating and processing sound effects in spatial sound-reproduction systems by means of a graphic user interface |
12/04/2012 | US8325932 Engine sound synthesizer, motor vehicle and game machine employing the engine sound synthesizer, engine sound synthesizing method, and recording medium containing computer program for engine sound synthesis |
12/04/2012 | US8324969 Delta-sigma modulator approach to increased amplifier gain resolution |
12/04/2012 | CA2623941C Improved control of switcher regulated power amplifier modules |
11/29/2012 | WO2012160035A2 Processing audio signals |
11/29/2012 | WO2012159946A1 Audio playback device with audio scene simulation |
11/29/2012 | WO2012159420A1 Gain control device and method for transimpedance amplifier of lithium niobate modulator |
11/29/2012 | US20120303363 Processing Audio Signals |
11/29/2012 | US20120300942 Multi-channel broadcasting system using digital matrix amplifier and method of controlling the same |
11/29/2012 | US20120299966 Mobile terminal and control method thereof |
11/29/2012 | US20120299650 Self-Calibrating Gain Control System |
11/29/2012 | US20120299648 Amplifying apparatus, transmitter, and amplifying apparatus control method |
11/29/2012 | US20120299646 Selecting a converter operating mode of a pa envelope power supply |
11/28/2012 | CN1762115B Method and apparatus for selective disregard of co-channel transmissions on a medium |
11/28/2012 | CN102804597A Methods and apparatus for initial acquisition in a communication system |
11/28/2012 | CN102801396A Automatic gain adjustment circuit in audio system |
11/28/2012 | CN101385263B Fiber-to-the-home (ftth) optical receiver with distributed gain control |
11/28/2012 | CN101185134B Processing an information carrying signal for automatic gain conrtol |
11/27/2012 | US8321789 Image browsing apparatus and image browsing method |
11/27/2012 | US8320864 Method and system for multiple tuner application using a low noise broadband distribution amplifier |
11/27/2012 | US8320594 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 |
11/27/2012 | US8320587 Audio device and volume adjusting circuit for the audio device |
11/27/2012 | US8320586 System and method for reducing volume spike in an electronic device |
11/27/2012 | US8320584 Method and system for performing audio signal processing |
11/27/2012 | US8319555 Amplifier |
11/22/2012 | WO2012159050A1 Adaptive rf saturation detection in a wireless device implementing multiple wireless protocols |
11/22/2012 | WO2012155848A1 Automatic gain control method and device |
11/22/2012 | US20120294461 Sound equipment, volume correcting apparatus, and volume correcting method |
11/22/2012 | US20120293255 Amplifier, transmission device, and amplifier control method |
11/22/2012 | US20120293254 Variable switched dc-to-dc voltage converter |
11/22/2012 | US20120293253 Pseudo-envelope following power management system |
11/21/2012 | EP2524427A1 Methods and apparatus for variable solid state-to-tube rectification in an amplifier |
11/21/2012 | EP2524426A1 Electronic device and integrated circuit comprising a gain control module and method therefor |
11/21/2012 | CN202551308U Intelligent volume control system for vehicle-mounted sound box |
11/21/2012 | CN202550977U Electronic volume control circuit |
11/21/2012 | CN202550976U Automatic gain control circuit |
11/21/2012 | CN1841925B Automatic gain control analog-to-digital converting system and related method |
11/21/2012 | CN1805519B Tuner |
11/21/2012 | CN102792587A Active mute scheme for an amplifier |
11/21/2012 | CN102790596A Automatic gain control amplifier for canceling direct current offset |
11/21/2012 | CN102790595A Single ended differential gain amplifier with configurable radio frequency broadband gain |
11/21/2012 | CN102790594A Dual-mode automatic gain control circuit working at ultra-low supply voltage |
11/21/2012 | CN102789345A Automatic gain control for capacitive touch panel sensing system |
11/21/2012 | CN101682347B Digital broadcast receiver |
11/20/2012 | US8315412 Method and apparatus to facilitate use of background noise when providing secure access to equipment |
11/20/2012 | US8315411 Dynamic volume control and multi-spatial processing protection |
11/20/2012 | US8315410 Dynamic range controller |
11/20/2012 | US8315409 Modifications of audio communications in an online environment |
11/20/2012 | US8315408 Prevention of audio pop in a digital audio device |
11/20/2012 | US8315403 Method for controlling directivity of loudspeaker apparatus and audio reproduction apparatus |
11/20/2012 | US8315400 Method and device for acoustic management control of multiple microphones |
11/20/2012 | US8314893 Remote control and method for automatically adjusting the volume output of an audio device |
11/15/2012 | WO2012152549A1 Automatic gain correction circuit with variable setpoint |
11/15/2012 | US20120288126 Apparatus |
11/15/2012 | US20120288122 Method and a system for an acoustic curtain that reveals and closes a sound scene |
11/15/2012 | US20120288121 Acoustic control device |
11/15/2012 | US20120288120 Power supply with rectifier protection |
11/15/2012 | US20120288109 Apparatus and method for noise generation |
11/15/2012 | US20120288106 Noise analysis and extraction systems and methods |
11/15/2012 | US20120288105 Acoustic device and method of detecting abnormal sound |
11/15/2012 | US20120287952 Apparatus and methods for high voltage amplification with low noise |
11/15/2012 | US20120286873 Apparatus and methods for biasing power amplifiers |
11/15/2012 | US20120286872 Method and apparatus for increasing the effective resolution of a sensor |
11/15/2012 | DE112010005225T5 Verstärkerschaltung und Verfahren zur Signalerfassung Amplifier circuit and method for signal acquisition |
11/14/2012 | EP2522156A1 Compressor based dynamic bass enhancement with eq |