| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 06/20/2013 | WO2013090851A1 Techniques for pga linearity |
| 06/20/2013 | WO2013090593A1 Quadrature impulse noise remover |
| 06/20/2013 | WO2013089446A1 Amplifier and filter having variable gain and cutoff frequency controlled logarithmically according to digital code |
| 06/20/2013 | US20130156231 Digital/analogue conversion apparatus |
| 06/20/2013 | US20130156229 Methods and systems for determining audio loudness levels in programming |
| 06/20/2013 | US20130156228 Sound Processing Apparatus, Sound System and Sound Processing Method |
| 06/20/2013 | US20130156227 Sound output device and method of adjusting sound volume |
| 06/20/2013 | US20130156226 Volume adjustment circuit with automatic gain control and electronic device using same |
| 06/20/2013 | US20130156225 System and methods for applying bass compensation |
| 06/20/2013 | US20130156224 Systems and methods for matching gain levels of transducers |
| 06/20/2013 | US20130156199 Handheld computing device case with audio output |
| 06/20/2013 | US20130156134 Apparatus and method for a dual watch receiver |
| 06/20/2013 | US20130154746 Variable gain amplifier circuit |
| 06/20/2013 | US20130154745 Clipping circuit, differential amplifying circuit, and amplifying circuit |
| 06/20/2013 | US20130154744 Non-Linear Capacitance Compensation |
| 06/20/2013 | US20130154738 Amplifier and filter having variable gain and cutoff frequency controlled logarithmically according to digital code |
| 06/20/2013 | US20130154732 Power management in transceivers |
| 06/20/2013 | US20130154729 Dynamic loadline power amplifier with baseband linearization |
| 06/19/2013 | CN203014749U Cutting machine blade detection device |
| 06/19/2013 | CN203014748U Micromechanical gyroscope closed-loop driving automatic gain control circuit |
| 06/19/2013 | CN203012403U Signal pre-processing circuit |
| 06/19/2013 | CN103166587A Audio processing circuit |
| 06/19/2013 | CN103166586A Variable gain amplifier circuit |
| 06/19/2013 | CN101485082B D类音频放大器 Class-D audio amplifier |
| 06/19/2013 | CN101247111B Method and apparatus for controlling audio signal output level of portable audio device |
| 06/18/2013 | US8467545 Noise reduction systems and methods for voice applications |
| 06/18/2013 | US8466745 Hybrid reconfigurable multi-bands multi-modes power amplifier module |
| 06/13/2013 | WO2013082740A1 Third order cross-modulation test method based on n1db compression point and n2db compression point |
| 06/13/2013 | US20130149981 Second Order Intermodulation Canceller |
| 06/13/2013 | US20130148826 Method and apparatus for processing audio in mobile terminal |
| 06/13/2013 | US20130148825 Volume control system, controller program of the volume control system, and audio output device of the volume control system |
| 06/13/2013 | US20130148824 Auto volume control method for mixing of sound sources |
| 06/13/2013 | US20130147557 Variable gain amplifier circuit |
| 06/13/2013 | DE10350597B4 Verfahren und Schaltungsanordnung zur Amplituden-Regelung eines oszillatorischen Signals Method and circuit for amplitude control of an oscillatory signal |
| 06/12/2013 | EP2602978A1 Method and Apparatus for Processing Audio in Mobile Terminal |
| 06/12/2013 | CN1497880B Reverberation console |
| 06/12/2013 | CN103155409A Method and system for providing hearing assistance to a user |
| 06/12/2013 | CN103152230A Ethernet physical layer transceiver and gain selection method of Ethernet physical layer transceiver and clock rate selection method of Ethernet physical layer transceiver |
| 06/12/2013 | CN103151999A Automatic gain control circuit at receiving front end |
| 06/12/2013 | CN103151998A Feedforward-type automatic gain control (AGG) device |
| 06/12/2013 | CN101969314B Automatic gain control circuit for zero intermediate frequency receiver |
| 06/12/2013 | CN101924527B Broadband programmable gain amplifier with precise gain step size |
| 06/12/2013 | CN101895267B Gain preset method of collecting double-channel analog-digital joint mode variable gain data |
| 06/12/2013 | CN101641927B Methods and apparatus for initial acquisition gain control in a communication system |
| 06/12/2013 | CN101068445B High frequency compensating |
| 06/11/2013 | US8462957 Hearing aid and method of controlling volume of hearing aid |
| 06/11/2013 | US8461929 Power amplifier |
| 06/11/2013 | US8461928 Constant-gain power amplifier |
| 06/11/2013 | US8461923 Logarithmic mean-square power detector with servo control loop |
| 06/06/2013 | WO2013078677A1 A method and device for adaptively adjusting sound effect |
| 06/06/2013 | US20130144615 Method and apparatus for processing an audio signal based on an estimated loudness |
| 06/06/2013 | US20130144614 Bandwidth Extender |
| 06/06/2013 | US20130142362 Controlling audio volume using touch input force |
| 06/06/2013 | US20130142361 Method for controlling altitude information-based user functions and mobile device adapted thereto |
| 06/06/2013 | US20130142360 Method and system for controlling distortion in a critical frequency band of an audio signal |
| 06/06/2013 | US20130142359 Signal processing apparatus and signal processing method |
| 06/06/2013 | US20130142225 Mobile communication device capable of controlling ouput power and method thereof |
| 06/06/2013 | US20130142217 Setting a transmission power level for a mobile unit |
| 06/05/2013 | EP2599219A2 Variable resister having resistance varying geometrically ratio and control method thereof |
| 06/05/2013 | CN202978840U X band TR module based on LTCC |
| 06/05/2013 | CN202978839U Gain camel peak suppression circuit for magnetic-resonance radio-frequency receiving coils |
| 06/05/2013 | CN202978838U Automatic gain controller used for short wave receiver |
| 06/05/2013 | CN103138697A Volume control method |
| 06/05/2013 | CN103138695A Audio amplification circuit |
| 06/05/2013 | CN102187588B Method and device for automatic gain adjustment in wireless receiver |
| 06/05/2013 | CN101938258B Method and device for controlling radio frequency power amplifier to transmit signal |
| 06/05/2013 | CN101834577B Method and device for multinuclear automatic gain control |
| 06/05/2013 | CN101828128B Distance measuring instrument and method |
| 06/05/2013 | CN101523225B Radio frequency handling device |
| 06/04/2013 | USRE44261 Volume control for audio signals |
| 06/04/2013 | US8457954 Sound quality control apparatus and sound quality control method |
| 06/04/2013 | US8457688 Mobile wireless communications device with voice alteration and related methods |
| 06/04/2013 | US8457570 System and method for power control calibration and a wireless communication device |
| 06/04/2013 | US8457334 Audio apparatus, audio signal transmission method, and audio system |
| 06/04/2013 | US8457323 Device for entertainment during driving of a car |
| 06/04/2013 | US8457321 Adaptive audio output |
| 06/04/2013 | US8456237 Low noise variable gain amplifier utilizing variable feedback techniques with constant input/output impedance |
| 06/04/2013 | US8456234 Bias current control method and driving circuit for operational amplifier |
| 05/30/2013 | WO2013075848A1 System and method for signal level detection |
| 05/30/2013 | US20130136282 System and Method for Spectral Personalization of Sound |
| 05/30/2013 | US20130136277 Volume controller, volume control method and electronic device |
| 05/30/2013 | US20130136266 System for Dynamic Spectral Correction of Audio Signals to Compensate for Ambient Noise |
| 05/29/2013 | EP2597845A1 Mobile terminal, volume adjustment method and device thereof |
| 05/29/2013 | CN202952898U Volume and tone adjustable automobile horn |
| 05/29/2013 | CN103124165A 自动增益控制 AGC |
| 05/28/2013 | US8452432 Realtime editing and performance of digital audio tracks |
| 05/28/2013 | US8452028 Dynamic surround channel volume control |
| 05/28/2013 | US8451054 Power amplifying devices |
| 05/28/2013 | CA2681625C Methods and apparatus for initial acquisition gain control in a communication system |
| 05/23/2013 | WO2013072970A1 Acoustic device and acoustic signal control method |
| 05/23/2013 | WO2013072951A1 Electric charge detection circuit |
| 05/23/2013 | WO2013072950A1 Electric charge detection circuit |
| 05/23/2013 | US20130129116 Glitch Detection and Method for Detecting a Glitch |
| 05/23/2013 | US20130129115 System and Method for Dynamic Range Extension Using Interleaved Gains |
| 05/23/2013 | US20130129098 Automatic render generation of an audio source |
| 05/23/2013 | US20130127540 Power amplifier |
| 05/23/2013 | US20130127534 Variable phase amplifier circuit and method of use |
| 05/23/2013 | US20130127529 Automatic gain control device |
| 05/23/2013 | DE102009007687B4 Analogschaltersteuerung Analog switch control |
| 05/22/2013 | EP2595312A1 Automatic gain control circuit and method for automatic gain control |