| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 01/24/2013 | US20130022211 Wirelessly triggered voice altering amplification system |
| 01/24/2013 | US20130021100 Method and System for Multiple Tuner Application Using a Low Noise Broadband Distribution Amplifier |
| 01/23/2013 | EP2547982A1 Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems |
| 01/23/2013 | CN202696581U Cesium atom frequency standard cesium-beam tube micro-current signal amplifier |
| 01/23/2013 | CN102893520A Automatic gain control acquisition in time division duplex systems |
| 01/23/2013 | CN102893334A Method and apparatus for offset and gain correction |
| 01/23/2013 | CN102892058A Method and device for automatically regulating volume |
| 01/23/2013 | CN102891658A Programmable gain amplifier circuit with orthogonal phase correction |
| 01/23/2013 | CN102891657A 多媒体控制方法及多媒体控制系统 Multimedia control method and multimedia control system |
| 01/23/2013 | CN102891656A Internal detection based automatic calibrating method for broadband signal open loop power |
| 01/23/2013 | CN101800521B Resistance control network used for logarithmic gain amplifier |
| 01/23/2013 | CN101686039B Audio processing device and audio processing method for multimedia device |
| 01/23/2013 | CN101510786B Receiver with low power consumption |
| 01/17/2013 | WO2013008747A1 Reception device, and gain control method |
| 01/17/2013 | WO2013008190A2 Wireless Communications |
| 01/17/2013 | US20130016858 Portable Information Processing Device |
| 01/17/2013 | US20130016845 Electro-acoustic audio reverberation device and method |
| 01/16/2013 | CN102883244A Acoustic shock protection device and method thereof |
| 01/16/2013 | CN102882483A A variable gain amplifier circuit |
| 01/16/2013 | CN101964635B Automatic gain control method for digital signal |
| 01/16/2013 | CN101895266B Mixed-signal automatic gain control system and control method thereof |
| 01/15/2013 | US8354883 Power amplifier |
| 01/10/2013 | US20130012829 Method for controlling display apparatus using brain wave and display apparatus thereof |
| 01/10/2013 | US20130010984 Method for controlling entertainment equipment based on performer position |
| 01/10/2013 | US20130010975 Method and System for Split Client-Server Reverberation Processing |
| 01/09/2013 | CN202663553U Two-stage all-digital automatic gain control (AGC) device applicable to multi-timeslot short-burst structure |
| 01/09/2013 | CN202663363U Self-test automatic digital gain control circuit |
| 01/09/2013 | CN202663362U Preamplifier for rapid spot size measurement |
| 01/09/2013 | CN102868386A Multi-channel signal amplifying circuit of low-duty ratio narrow pulse signal and control method |
| 01/09/2013 | CN102868373A Rail-to-Rail constant gain amplifier |
| 01/09/2013 | CN101494752B Method and apparatus for adjusting sound volume |
| 01/08/2013 | US8351624 Audio output apparatus, audio input apparatus, audio control apparatus, audio control system, and audio control method |
| 01/08/2013 | US8351623 Audio mixing apparatus |
| 01/08/2013 | US8351620 Volume adjuster |
| 01/08/2013 | US8351615 Impulse response processing device, reverberation applying device and program |
| 01/08/2013 | US8351614 Digital reverberations for audio signals |
| 01/08/2013 | US8351613 Method and apparatus for measurement of gain margin of a hearing assistance device |
| 01/08/2013 | US8351597 Electronic device, echo canceling method thereof, non-transitory computer readable medium, circuit substrate, and portable telephone terminal device |
| 01/03/2013 | WO2013002388A1 Automatic gain adjusting circuit |
| 01/03/2013 | US20130003991 System and method for adjusting an audio signal |
| 01/03/2013 | US20130003990 Electronic device and audio output control method thereof |
| 01/03/2013 | US20130002357 Providing Automatic Power Control For A Power Amplifier |
| 01/03/2013 | US20130002347 Coupling system for data receivers |
| 01/03/2013 | US20130002346 Parallel Correction Amplifier |
| 01/02/2013 | EP2541767A2 Method and system for power control of a wireless communication device |
| 01/02/2013 | EP2539886A2 Apparatus and method for modifying an audio signal using envelope shaping |
| 01/02/2013 | EP2539885A1 Apparatus and method for modifying an audio signal using harmonic locking |
| 01/02/2013 | EP2360837B1 Process for performing cubic metric computation in the transmitter of a UE for a wireless communication system, and apparatus for performing the same |
| 01/02/2013 | CN202652153U Variable resistor circuit |
| 01/02/2013 | CN202652147U Operational amplifying device with adjustable gain |
| 01/02/2013 | CN202641500U Intelligent acousto-optic warning system device for whistle of automobile |
| 01/02/2013 | CN102859907A Power adjustment of in-phase and quadrature components at a coherent optical receiver |
| 01/02/2013 | CN102859869A Acoustic device and acoustic signal playback method |
| 01/02/2013 | CN102857246A Automatic gain control method and apparatus of constant envelope receiver |
| 01/02/2013 | CN102857185A Anti-distortion automatic gain adjustment circuit for class D power amplifier |
| 01/02/2013 | CN102857184A Gradient amplifier control device |
| 01/02/2013 | CN102857183A Ultrawide band high-precision variable gain amplifier |
| 01/02/2013 | CN102857182A Gain control device of multimedia equipment |
| 01/02/2013 | CN101208742B Adapted audio response |
| 01/01/2013 | US8346565 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program |
| 01/01/2013 | US8345893 Sound volume controller |
| 01/01/2013 | US8345887 Computationally efficient synthetic reverberation |
| 01/01/2013 | US8345885 Sound signal adjustment apparatus and method, and telephone |
| 01/01/2013 | US8344806 Power amplifier with power feedback |
| 12/27/2012 | WO2012176139A1 Method, apparatus and computer program for setting a radio frequency gain |
| 12/27/2012 | WO2012175484A1 Electronic radio system for power amplification with protection in terms of standing wave rate and associated method of protection |
| 12/27/2012 | US20120328127 Volume amplitude limiting device |
| 12/27/2012 | US20120328126 Audio signal processing circuit |
| 12/27/2012 | US20120328125 Audio controlling apparatus, audio correction apparatus, and audio correction method |
| 12/27/2012 | US20120328117 Control of a loudspeaker output |
| 12/27/2012 | US20120328114 Audio controlling apparatus, audio correction apparatus, and audio correction method |
| 12/27/2012 | US20120326791 Voltage Controlling Circuit |
| 12/27/2012 | US20120326790 Amplifier device with reiterable error correction scheme with balanced negative feedback |
| 12/27/2012 | US20120326789 Active neutralization device |
| 12/27/2012 | US20120326787 Variable-gain amplifier circcuit and receiver including the same |
| 12/27/2012 | US20120326782 Automatic gain control circuit |
| 12/27/2012 | US20120326781 Transmission module and phased array antenna apparatus |
| 12/26/2012 | EP2538577A1 Wireless transmitting and receiving device and method |
| 12/26/2012 | EP2538576A1 Wireless transmitting and receiving device and method |
| 12/26/2012 | EP2538408A1 Audio controlling apparatus, audio correction apparatus, and audio correction method |
| 12/26/2012 | CN202634368U Intelligent section-type amplifying circuit |
| 12/26/2012 | CN102843634A Control of loudspeaker output |
| 12/26/2012 | CN102843113A Down converter gain control method |
| 12/26/2012 | CN102843112A Mobile communication terminal |
| 12/26/2012 | CN102843111A 自动增益控制电路 AGC circuit |
| 12/26/2012 | CN101847973B Automatic gain control circuit for receiving end of power-line carrier communication system |
| 12/26/2012 | CN101350602B Signal amplifier circuit and audio system using the same |
| 12/25/2012 | US8340326 Addressable amplified speaker assembly and method for addressing the same |
| 12/25/2012 | US8340324 Device for setting parameters of mixer |
| 12/25/2012 | US8340323 Sound outputting apparatus, sound outputting method, sound outputting system and sound output processing program |
| 12/25/2012 | US8340304 Method and apparatus to generate spatial sound |
| 12/25/2012 | US8340228 Setting a transmission power level for a mobile unit |
| 12/20/2012 | WO2012172109A1 Method for normalizing the power of a sound signal, and associated processing device |
| 12/20/2012 | WO2012130610A3 Apparatus and method for fixing a gain or attentuation factor |
| 12/20/2012 | US20120322510 Methods, Devices, And Computer Program Products For Providing Ambient Noise Sensitive Alerting |
| 12/20/2012 | US20120321104 Automatic gain control of amplifier by dynamic suppressing and output control at multiple stages |
| 12/20/2012 | US20120321096 Audio Gain Control Using Specific-Loudness-Based Auditory Event Detection |
| 12/20/2012 | US20120319775 Automatic gain control apparatus and method |
| 12/20/2012 | US20120319774 Multi-stage gain control in receivers and other circuits |
| 12/19/2012 | EP2536027A1 Method and device for equalizing a plurality of radio-television channels |