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