| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 06/06/2012 | CN1509554B Amplifier control circuit and method, and wireless communication device |
| 06/06/2012 | CN101730973B Gain control circuit |
| 06/05/2012 | US8195451 Apparatus and method for detecting speech and music portions of an audio signal |
| 06/05/2012 | US8194891 Volume controlled prenatal music belt |
| 06/05/2012 | US8194890 Detecting and processing button press events for performing electronic device operations |
| 06/05/2012 | US8194889 Hybrid digital/analog loudness-compensating volume control |
| 06/05/2012 | US8194888 System and method for volume control based on location |
| 06/05/2012 | US8194791 Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver |
| 06/05/2012 | US8193859 Dual FET detector |
| 06/05/2012 | US8193858 Setting an output level of an amplifier apparatus |
| 05/31/2012 | WO2012068836A1 Device and method for implementing output power control of power amplifier |
| 05/31/2012 | US20120134511 Multichannel audio coder and decoder |
| 05/31/2012 | US20120134505 Method for the operation of a hearing device and hearing device with a lengthening of fricatives |
| 05/31/2012 | US20120134504 Chaotic pulse train synthesizer |
| 05/31/2012 | US20120133432 High efficiency audio amplifier |
| 05/30/2012 | EP2458733A1 Feedforward automatic gain correction |
| 05/30/2012 | EP2457322A1 Adaptive gain control for digital audio samples in a media stream |
| 05/30/2012 | CN202261184U Automatic gain control circuit |
| 05/30/2012 | CN202261183U Radio frequency power attenuation circuit |
| 05/30/2012 | CN202261182U RF AGC circuit |
| 05/30/2012 | CN202257339U Voltage stabilizing circuit |
| 05/30/2012 | CN102484541A Time-division duplex communication device and method for preventing interference to reception by the same |
| 05/30/2012 | CN102484461A A system and a method for providing sound signals |
| 05/30/2012 | CN102480273A 一种实现功率放大器输出功率控制的装置及方法 An apparatus and method for controlling the output power of the power amplifier to achieve |
| 05/30/2012 | CN101944002B Gain adjustable multifunctional data acquisition card |
| 05/30/2012 | CN101800860B Gain filter circuit applicable to scientific-grade CCDs |
| 05/30/2012 | CN101213742B Receiver having digital automatic gain control and method for controlling its gain |
| 05/30/2012 | CN101171746B Automatic gain control device for wireless receiver, processor and method |
| 05/30/2012 | CN101083455B Electronic volume apparatus, electronic volume control method and electrical equipment using same |
| 05/29/2012 | US8189813 Audio system and method for effectively reproducing sound in accordance with the distance between a source and a position where the sound is heard in virtual space |
| 05/29/2012 | US8188794 Method and system for providing automatic gate bias for field effect transistors |
| 05/29/2012 | US8188793 Systems and methods for saturation detection and corection in a power control loop |
| 05/29/2012 | US8188790 Gated class H amplifier/line driver system and method |
| 05/24/2012 | WO2012066634A1 Burst receiver |
| 05/24/2012 | WO2012066180A1 Method and apparatus for adjusting transmitter power level |
| 05/24/2012 | WO2012065638A1 A multistage receiver system |
| 05/24/2012 | WO2012015224A3 Variable resister having resistance varying geometrically ratio and control method thereof |
| 05/24/2012 | US20120129478 Feedforward automatic gain correction |
| 05/24/2012 | US20120129473 Method and apparatus for optimizing current consumption of amplifiers with power control |
| 05/24/2012 | US20120128179 Audio Device |
| 05/24/2012 | US20120128178 Sound reproducing apparatus, sound reproducing method, and program |
| 05/24/2012 | US20120126900 Semiconductor device |
| 05/24/2012 | US20120126895 Variable gain amplifier with fixed bandwidth |
| 05/24/2012 | US20120126892 Reference voltage generator for biasing an amplifier |
| 05/23/2012 | EP2119002B1 A multi-rate tracking circuit |
| 05/23/2012 | EP1710918B1 Transmitter and wireless communication apparatus |
| 05/23/2012 | CN202231677U 自动增益控制电路 AGC circuit |
| 05/23/2012 | CN1983804B Audio-frequency processor and volume management method |
| 05/23/2012 | CN1980054B Audio-frequency processing device and sound-volume management method |
| 05/23/2012 | CN102474541A 用于控制声学信号的装置、方法和计算机程序 Means for controlling the acoustic signal, the method and computer program |
| 05/23/2012 | CN102474233A 具有自动增益控制的接收器 A receiver having automatic gain control |
| 05/23/2012 | CN102474232A System for increasing perceived loudness of speakers |
| 05/23/2012 | CN102468812A Variable gain amplifier |
| 05/23/2012 | CN102468811A 一种高速放大器低频参数及性能控制方法及装置 A high-speed amplifier performance parameters and low frequency control method and apparatus |
| 05/23/2012 | CN101584113B Transmission device and transmission power control method |
| 05/23/2012 | CN101529721B Audio dynamics processing using a reset |
| 05/23/2012 | CN101521490B Power amplifying circuit for providing bias voltage signal to input end and method thereof |
| 05/23/2012 | CN101345333B Printing antenna system of vehicle rear window glass |
| 05/23/2012 | CN101002383B Gain control for a receiver in a multi-carrier communication system |
| 05/22/2012 | US8184817 Multi-channel acoustic signal processing device |
| 05/22/2012 | US8183925 High frequency power amplifier and operating method thereof |
| 05/22/2012 | US8183924 Output stage with adaptive bias control |
| 05/22/2012 | US8183923 Constant gain amplifier system with gain control feedback |
| 05/22/2012 | US8183917 RF power amplifier circuit with mismatch tolerance |
| 05/18/2012 | WO2012009586A3 Squelch detection circuit and method |
| 05/17/2012 | US20120121273 Common base circuit with output compensation, current-to-voltage circuit configured with common base amplifier, and optical receiver implemented with the same |
| 05/17/2012 | US20120121108 Cooperative voice dialog and business logic interpreters for a voice-enabled software application |
| 05/17/2012 | US20120121097 Utilizing information from a number of sensors to suppress acoustic noise through an audio processing system |
| 05/17/2012 | US20120121096 Intelligibility control using ambient noise detection |
| 05/17/2012 | US20120119828 Variable gain amplifier and audio device |
| 05/16/2012 | EP2452432A2 Receiver with automatic gain control |
| 05/16/2012 | EP2452431A1 The double integral method of powering up or down a speaker |
| 05/16/2012 | EP2319176B1 Method and apparatus for reducing audio artifacts |
| 05/16/2012 | EP1805891B1 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| 05/16/2012 | CN102460957A 用于无线装置中的过驱动状态的检测电路 For the wireless device in an overdrive state detecting circuit |
| 05/16/2012 | CN102457240A Gain control in a shared RF front-end path for different standards that use the same frequency band |
| 05/16/2012 | CN102457239A 一种增益控制系统及方法 One kind of gain control system and method |
| 05/16/2012 | CN101499783B Gain automatic regulating circuit and electronic product using the same |
| 05/15/2012 | US8180306 VSWR compensation circuits for RF transmit chain |
| 05/15/2012 | US8180072 Electronic volume device |
| 05/15/2012 | US8179648 Power amplifier protection |
| 05/15/2012 | US8179198 Variable gain amplifier having automatic power consumption optimization |
| 05/10/2012 | WO2011050975A8 Threshold crossing detection |
| 05/10/2012 | US20120114144 Sound control device, computer-readable recording medium, and sound control method |
| 05/10/2012 | US20120114127 Reproduction apparatus, reproduction method, provision apparatus, and reproduction system |
| 05/10/2012 | US20120112837 Signaling system with low-power automatic gain control |
| 05/09/2012 | EP2450823A1 detecting a foreign body in the vicinity of a means of input used for authentification |
| 05/09/2012 | EP2449754A1 Apparatus, method and computer program for controlling an acoustic signal |
| 05/09/2012 | EP2449676A2 A system and a method for providing sound signals |
| 05/09/2012 | EP2449396A1 Generator of a modulated radiofrequency signal, method for calibrating the generator, and magnetic resonance imaging system |
| 05/09/2012 | EP1145451B1 Improvements in or relating to polyphase receivers |
| 05/09/2012 | CN202218196U Optical automatic gain clamp (AGC) control circuit for cabled television optical receiving machine |
| 05/09/2012 | CN102450063A Sensor uses in communication systems |
| 05/09/2012 | CN101563843B Optical receiver |
| 05/08/2012 | US8175288 User interface for mixing sounds in a media application |
| 05/08/2012 | US8175285 Audio player apparatus having sound analyzer and its control method |
| 05/08/2012 | US8175282 Method of evaluating perception intensity of an audio signal and a method of controlling an input audio signal on the basis of the evaluation |
| 05/08/2012 | US8174313 Apparatus and method for controlling power amplifier |
| 05/03/2012 | WO2012056882A1 Detection circuit |
| 05/03/2012 | US20120108189 Transmitter Linearized Using Bias Deviation Gain Adjustment And Method Therefor |