| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 05/14/2009 | WO2009042473A3 Systems and methods for monitoring temporal volume control |
| 05/14/2009 | US20090123004 Method and system for automated volume adjustments for a marketing system |
| 05/14/2009 | US20090122079 Display apparatus, remote controller, display control method, and control method |
| 05/14/2009 | US20090121790 System and method for signal level detection |
| 05/14/2009 | US20090121789 Device comprising a feedback-less gain controlled amplifier |
| 05/14/2009 | DE102008006371A1 Verfahren und Vorrichtung zur Lautstärkeregelung Method and apparatus for volume control |
| 05/13/2009 | EP2058945A1 Audio processing apparatus and program |
| 05/13/2009 | EP2058798A2 Voice signal blocker, talk assisting system using the same and musical instrument equipped with the same |
| 05/13/2009 | EP2057736A1 Volume control circuits for use in electronic devices and related methods and electronic devices |
| 05/13/2009 | EP1714383A4 Methods and systems for signal amplification through envelope removal and restoration |
| 05/13/2009 | CN101432965A Audio gain control using specific-loudness-based auditory event detection |
| 05/13/2009 | CN101431318A Automatic gain control device and its control method |
| 05/13/2009 | CN101431317A Sound volume regulating system and method for outdoor sound equipment |
| 05/13/2009 | CN100488041C Method for preventing output device demaged |
| 05/13/2009 | CN100488040C Radio wave reception device, radio wave clock, and repeater |
| 05/13/2009 | CN100488039C Thermal attenuator and radio transciever |
| 05/12/2009 | US7532869 Automatic power level control circuit for a transceiver device |
| 05/12/2009 | US7532731 Digital mixer apparatus and method therefor |
| 05/12/2009 | US7532730 Audio dynamics processing control system |
| 05/12/2009 | US7532706 Imaging apparatus, imaging system, imaging method, and computer program |
| 05/12/2009 | US7532680 Multi-mode radio frequency transmitter |
| 05/12/2009 | US7532671 Gain control method and apparatus |
| 05/12/2009 | US7532067 Amplifier device with adjustable supply voltage |
| 05/07/2009 | WO2009058948A2 Programmable gain circuit |
| 05/07/2009 | WO2009058484A1 Local oscillator buffer and mixer having adjustable size |
| 05/07/2009 | WO2009032739A3 Variable gain amplifier |
| 05/07/2009 | WO2008094235A3 System and method for muting tv speakers when headphones in use |
| 05/07/2009 | US20090117868 Fast Settling Radio Receiver Automatic Gain Control System |
| 05/07/2009 | US20090116667 Method and Apparatus for Volume Adjustment |
| 05/07/2009 | US20090115526 Fet bias circuit |
| 05/06/2009 | EP1599952A4 Transceiver power detection architecture |
| 05/06/2009 | EP1374396B1 Variable gain low-noise amplifier for a wireless terminal |
| 05/06/2009 | CN101427463A Automatic gain controlled circuit |
| 05/06/2009 | CN101427462A Automatic gain controlled circuit and low noise amplifier circuit |
| 05/06/2009 | CN101426111A 自动增益控制电路 AGC circuit |
| 05/06/2009 | CN101425811A System and method for a direct conversion multi-carrier processor |
| 05/06/2009 | CN101425786A Variable gain amplifier |
| 05/06/2009 | CN100486112C Gain control circuit and relevant gain amplifier |
| 05/06/2009 | CN100486106C Amplifier and method of controlling same |
| 05/05/2009 | US7529526 Apparatus and method for detecting radio frequency transmission power levels |
| 05/05/2009 | US7528357 Pulse detector which employs a self-resetting pulse amplifier |
| 04/30/2009 | WO2009011826A3 Time-varying audio-signal level using a time-varying estimated probability density of the level |
| 04/30/2009 | US20090110215 Audio adapter having volume adjusting function |
| 04/30/2009 | US20090110214 Controlled charging and use of power source |
| 04/30/2009 | US20090109218 System for supporting recognition of an object drawn in an image |
| 04/30/2009 | US20090108931 Programmable gain circuit |
| 04/30/2009 | DE102008047870A1 Systeme und Verfahren zum automatischen Steuern der Lautstärke eines Kraftfahrzeug-Entertainmentsystems Systems and methods for automatically controlling the volume of a motor vehicle entertainment system |
| 04/30/2009 | CA2636481A1 Am transmitter and modulation method using same |
| 04/29/2009 | EP2053891A1 Combined open and closed loop power control with differential measurement |
| 04/29/2009 | EP2053875A2 Speaker system and method of operating the speaker system |
| 04/29/2009 | EP2053739A1 Digital agc device |
| 04/29/2009 | EP2052457A2 Improvements in or relating to automatic gain control of radio devices |
| 04/29/2009 | EP2052312A2 Auto-gain switching module for acoustic touch systems |
| 04/29/2009 | CN101421781A Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 04/29/2009 | CN101420486A Mobile phone capable of automatically regulating earpiece volume based on movement velocity and method thereof |
| 04/29/2009 | CN101420485A Mobile phone capable of automatically regulating bell volume based on movement velocity and method thereof |
| 04/29/2009 | CN101420210A Volume regulating device and method thereof |
| 04/29/2009 | CN101420209A High speed large dynamic range digital automatic gain control circuit |
| 04/29/2009 | CN101420208A Variable gain amplifier including series-coupled cascode amplifiers |
| 04/29/2009 | CN100484118C Radio reception apparatus and signal processing timing control method |
| 04/29/2009 | CN100483931C Heat protective system of amplifier output stage |
| 04/29/2009 | CN100483928C Amplifier having switchable negative feedback |
| 04/29/2009 | CN100483922C Efficient modulation of RF signals |
| 04/28/2009 | US7526348 Computer based automatic audio mixer |
| 04/28/2009 | US7526264 NxM crosspoint switch with band translation |
| 04/28/2009 | US7526259 Radio frequency circuit and communication system with power amplifier control |
| 04/28/2009 | US7526095 Audio volume control for computer systems |
| 04/28/2009 | US7525377 Method for controlling a linear power amplifier |
| 04/23/2009 | WO2006073990A3 Integrated multimedia signal processing system using centralized processing of signals |
| 04/23/2009 | US20090104929 Method and apparatus for muting a sounder device |
| 04/23/2009 | US20090103752 Device and method for automatically adjusting gain |
| 04/23/2009 | US20090103751 Sound volume leveler for speed sensitive volume |
| 04/23/2009 | US20090102559 Monotonic variable gain amplifier and an automatic gain control circuit |
| 04/23/2009 | US20090102555 Automatic gain Control (AGC) with lock detection |
| 04/23/2009 | DE19882089B4 Verstärker zur kontinuierlichen schmalbandigen Signalverstärkung mit hohem Verstärkungsfaktor und Verstärkungsverfahren Continuous narrow-band amplifier for signal amplification with a high gain and amplification method |
| 04/23/2009 | DE10000292B4 Automatische Verstärkungssteuerung für einen Empfänger und Verfahren zur automatischen Verstärkungssteuerung Automatic gain control for a receiver and method for automatic gain control |
| 04/22/2009 | EP2051389A1 Transmitter |
| 04/22/2009 | EP2049305A2 Abrasive compacts |
| 04/22/2009 | EP1935092B1 Receiving circuit for an information engineering receiving device |
| 04/22/2009 | CN101416387A Receiver |
| 04/22/2009 | CN101415045A Method and apparatus for implementing intelligent automatic level control in communication network |
| 04/22/2009 | CN100481722C System and method for enhancing delivered sound in acoustical virtual reality |
| 04/22/2009 | CN100481721C Automatic gain controlling circuit |
| 04/22/2009 | CN100481713C Variable gain amplifier |
| 04/21/2009 | US7523038 Voice controlled system and method |
| 04/21/2009 | US7523037 Data synthesis apparatus and program |
| 04/21/2009 | US7522892 Power amplifier with serial interface and associated methods |
| 04/21/2009 | US7522891 High frequency peak power detection circuit |
| 04/21/2009 | US7522735 Electronic circuit with spring reverberation effect and improved output controllability |
| 04/21/2009 | US7522734 Distributed acoustic reverberation for audio collaboration |
| 04/21/2009 | US7522669 Method and apparatus for selective disregard of co-channel transmissions on a medium |
| 04/21/2009 | US7522535 Method of adjustment for receiver of signals transmitted in bursts and corresponding receivers |
| 04/21/2009 | US7522065 Method and apparatus for proximity sensing in a portable electronic device |
| 04/21/2009 | US7522001 Power amplifier |
| 04/16/2009 | WO2009049218A1 Gain partitioning in a receiver |
| 04/16/2009 | US20090097677 Enhancing Comprehension Of Phone Conversation While In A Noisy Environment |
| 04/16/2009 | US20090097676 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 04/16/2009 | US20090097675 Sound providing system |
| 04/16/2009 | US20090097665 Sound volume automatic adjustment method and system |
| 04/16/2009 | US20090096528 Agc circuit |