H03G 3 - Gain control in amplifiers or frequency changers

Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
12/2011
12/06/2011	US8073154 Supplying electrical power
12/06/2011	US8072263 Power control device for a signal with optimized input dynamics
12/01/2011	WO2011150267A2 Signal-based gain control
12/01/2011	WO2011147807A1 Linear burst mode receiver
12/01/2011	US20110293113 Apparatus, systems and methods for limiting output volume of a media presentation device
12/01/2011	US20110293103 Systems, methods, devices, apparatus, and computer program products for audio equalization
12/01/2011	US20110291757 Distributed threshold adjustment for high speed receivers
12/01/2011	US20110291756 Method and system for polar modulation with discontinuous phase for rf transmitters with integrated amplitude shaping
12/01/2011	US20110291755 Transmission power control method and transmission power control apparatus
11/2011
11/30/2011	EP2391022A1 Classification of interference
11/30/2011	EP2391004A1 Systems and methods for controlling the volume output from a media presentation device
11/30/2011	EP2391003A1 Linear burst mode receiver
11/30/2011	EP2389725A2 Automatic gain control in a wireless communication network
11/30/2011	EP2301285B1 Method and arrangement in a cellular communications system
11/30/2011	EP2168122B1 Audio processing using auditory scene analysis and spectral skewness
11/30/2011	CN202059557U 汽车音响音量动态调节器 Car audio volume dynamic regulator
11/30/2011	CN202059378U 高性能毫米波Gunn二极管放大器的自动增益控制电路 AGC circuit performance millimeter wave Gunn diode amplifier
11/30/2011	CN1536770B 具有直流偏移补偿功能的直接转换接收器及其补偿方法 Direct conversion receiver having a DC offset compensation and compensation methods
11/30/2011	CN102265512A 无线通信网络中的自动增益控制 A wireless communication network AGC
11/30/2011	CN102262876A 汽车喇叭音量自动调节系统及其方法 Car Speaker System and method for automatically adjusting the volume
11/30/2011	CN101841675B 基于模拟视频波头检测的自动增益补偿系统 Automatic gain compensation system based on the first wave of analog video detection
11/30/2011	CN101394496B 数字视频接收器前端电路及其自动增益控制方法 Digital video receiver front end circuit and automatic gain control method
11/30/2011	CN101248599B 无线通信系统、无线通信装置及放大率决定方法 The wireless communication system, radio communication apparatus and method for determining the magnification
11/29/2011	US8068404 Signal value holding apparatus, signal value holding method, signal value control system, signal value control method, playback apparatus, and playback method
11/29/2011	US8067984 Variable gain circuit
11/29/2011	US8067981 Method and system for extending dynamic range of an RF signal
11/24/2011	US20110286603 Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
11/24/2011	US20110285462 Method and system for amplitude calibration for polar modulation with discontinuous phase
11/24/2011	US20110285461 Mobile terminal and method of controlling a driving voltage of a power amplifier therein
11/23/2011	EP2389011A2 Audio and power distribution system
11/23/2011	EP2388933A1 Transimpedance amplifier and pon system
11/23/2011	EP2388914A1 Method and apparatus for optimizing transmitter power efficiency
11/23/2011	EP2388911A2 Mobile terminal and method of controlling a driving voltage of a power amplifier therein
11/23/2011	CN202050388U Non-contact sound volume controller for audio equipment
11/23/2011	CN202050387U Amplifier with variable amplification factor
11/23/2011	CN102257749A Transimpedance amplifier and pon system
11/23/2011	CN102257728A Audio signal adjustment device and audio signal adjustment method
11/23/2011	CN102255608A Automatic gain regulating circuit with large dynamic range
11/23/2011	CN102255607A Method for adjusting output volume and system thereof
11/23/2011	CN101471636B Amplifier with variable gain and high dynamic range
11/23/2011	CN101341654B Input drive control for switcher regulated power amplifier modules
11/22/2011	US8064844 Wireless communication apparatus, power amplifier control method, and power amplifier control apparatus
11/22/2011	US8064610 Ambient noise canceling physiological acoustic monitoring system and method
11/22/2011	US8063704 Gain adjustment device and method thereof
11/22/2011	US8063703 Output circuit of radio-frequency transmitter
11/22/2011	US8061473 Passive personal vocal monitor
11/17/2011	WO2011143354A1 Personalized hearing profile generation with real-time feedback
11/17/2011	WO2011143040A1 Method and apparatus for offset and gain correction
11/17/2011	WO2011117587A3 Method and system
11/17/2011	US20110279179 Apparatus and method for controlling power amplifier
11/16/2011	CN202043081U Gain adjustable amplifying circuit
11/16/2011	CN102246412A Amplifier with programmable off voltage
11/16/2011	CN102246230A Systems and methods for improving the intelligibility of speech in a noisy environment
11/15/2011	US8059835 Impulsive communication activated computer control device and method
11/15/2011	US8059834 Automatic gain control circuit
11/15/2011	US8059833 Method of compensating audio frequency response characteristics in real-time and a sound system using the same
11/15/2011	US8059829 Sound effect producing apparatus for vehicle
11/15/2011	US8059826 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
11/15/2011	US8059726 Wireless transmitting and receiving device and method
11/10/2011	US20110275412 Automatic gain control based on detected pressure
11/10/2011	US20110274293 Method, device and communication terminal for adjusting volume adaptively
11/10/2011	US20110273425 Drive voltage generator
11/10/2011	US20110273164 Delivered power detection for power amplifiers and related systems and methods
11/09/2011	EP2385624A1 Gain control method, gain control equipment in multiple sound channels system, and voice processing system
11/09/2011	EP1435008B1 Seismic data acquisition apparatus and method
11/09/2011	CN102237889A RF digital spur reduction
11/09/2011	CN102237855A System and method for automatically regulating playing volume according to volume reference interval
11/09/2011	CN101262208B Automatic gain control circuit
11/08/2011	US8055236 Devices for controlling amplification of a signal emitted by a mobile terminal and increasing the autonomy of the mobile terminal
11/08/2011	US8054996 Video/audio output device and external speaker control apparatus
11/08/2011	US8054994 Method and apparatus for audio normalization
11/08/2011	US8054988 Communications device for transmitting acoustic signals in a motor vehicle
11/08/2011	US8054983 Method for parameter identification and parameter optimization of microspeakers
11/03/2011	WO2011136085A1 Acoustic device and acoustic signal playback method
11/03/2011	US20110268294 Providing athletic training information
11/03/2011	US20110267142 Multi-state dc-dc converter
11/02/2011	EP1699259B1 Audio output apparatus
11/02/2011	CN202026498U Music lighting infrared control device
11/02/2011	CN202026282U Numerical control gain direct current amplifier
11/02/2011	CN202026281U Sound control switchgear
11/02/2011	CN101594119B Method for designing weak signal reading circuit of variable gain amplifier
11/02/2011	CN101461134B Wide dynamic range amplifier gain control method and device
11/02/2011	CN101242163B Variable-gain amplification circuit, receiver and receiver integrated circuit
11/01/2011	US8050419 Adaptive initial volume settings for a vehicle audio system
11/01/2011	US8050417 Auxiliary electromagnetic valve for a gas servo valve
11/01/2011	CA2476318C Gain control for communications device
11/01/2011	CA2438333C Direct conversion receiver architecture
10/2011
10/27/2011	WO2011131732A1 Apparatus and method for modifying an input audio signal
10/27/2011	WO2011131451A1 Power adjustment of in-phase and quadrature components at a coherent optical receiver
10/27/2011	US20110261973 Apparatus and method for reproducing a sound field with a loudspeaker array controlled via a control volume
10/27/2011	US20110261966 Method and Apparatus for Applying Reverb to a Multi-Channel Audio Signal Using Spatial Cue Parameters
10/27/2011	US20110260791 Power Amplifier
10/27/2011	CA2796948A1 Apparatus and method for modifying an input audio signal
10/26/2011	EP2381593A1 Power adjustment of in-phase and quadrature components at a coherent optical receiver
10/26/2011	EP2096754B1 Optical receiver
10/26/2011	EP1876706B1 Acoustic reproduction device
10/25/2011	US8046094 Audio reproducing apparatus
10/25/2011	US8045732 Mapping control signals to values for one or more internal parameters
10/25/2011	US8045731 Sound quality adjustment device
10/25/2011	US8045721 Dynamic distortion elimination for output audio

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