| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 10/02/2008 | US20080238543 Digital Amplifier with Analogue Error Correction Circuit |
| 10/02/2008 | US20080238542 Variable gain amplifier and method for achieving variable gain amplification with high bandwidth and linearity |
| 10/02/2008 | US20080237354 Semiconductor integrated circuit device |
| 10/02/2008 | CA2681625A1 Methods and apparatus for initial acquisition gain control in a communication system |
| 10/01/2008 | EP1976127A1 Digital reception device |
| 10/01/2008 | EP1976111A2 Pop-noise prevention method and apparatus |
| 10/01/2008 | EP1532734A4 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 10/01/2008 | CN101277097A Variable gain amplifier with high bandwidth and linearity as well as operation method thereof |
| 10/01/2008 | CN100423448C Device and method for maintaining the transmitting power of a radio at a constant level |
| 10/01/2008 | CN100422839C Exposure control device and exposure control method |
| 09/30/2008 | US7430406 Gain control in a wireless device |
| 09/30/2008 | US7430405 Radio communication terminal and gain control circuit for the same |
| 09/30/2008 | US7430296 Circuit arrangement for reducing the dynamic range of audio signals |
| 09/30/2008 | US7430004 Volume control linked with zoom control |
| 09/30/2008 | US7429893 Variable-gain amplifier and related method |
| 09/30/2008 | CA2564147C Adaptive rf amplifier prelimiter |
| 09/25/2008 | WO2008114511A1 Agc circuit |
| 09/25/2008 | US20080235753 Broadcasting receiver and volume control method thereof |
| 09/25/2008 | US20080233915 Signal Processing Circuit |
| 09/25/2008 | US20080233904 Timing adjustment method for wireless communication apparatus |
| 09/25/2008 | US20080231371 Amplifier Circuit With Adjustable Amplification |
| 09/25/2008 | US20080231370 Apparatus and methods for amplifiers |
| 09/25/2008 | US20080231369 Variable-gain low-noise amplifier |
| 09/25/2008 | US20080231368 Wireless frequency power amplifier, semiconductor device, and wireless frequency power amplification method |
| 09/25/2008 | US20080230684 Gain Control System for Visible Light Communication Systems |
| 09/25/2008 | DE202008002517U1 Breitbandverstärker Wideband amplifier |
| 09/24/2008 | EP1266469B1 Use of voice-to-remaining audio (vra) in consumer applications |
| 09/24/2008 | CN101273547A Method and apparatus for controlling spurious transmissions in a communications system |
| 09/24/2008 | CN101273534A Controlling power output of a transceiver |
| 09/24/2008 | CN101272132A Method and system for dynamically regulating broadcast sound volume according to wavelength |
| 09/24/2008 | CN101272131A Programmable gain amplifier with noise cancellation |
| 09/23/2008 | US7428310 Audio output adjusting device of home theater system and method thereof |
| 09/23/2008 | US7427897 Power amplifier with close-loop adaptive voltage supply |
| 09/23/2008 | US7427894 Dual-mode, dual-load high efficiency RF power amplifier |
| 09/18/2008 | WO2008111883A1 Flexible dynamic range amplifier |
| 09/18/2008 | WO2008086229A3 Symbol scaling with automatic gain control for wireless communication |
| 09/18/2008 | WO2008070530A3 System and method for acquisition in wireless communication systems |
| 09/18/2008 | US20080224780 Transconductance control circuit, method of controlling transconductance, and a power amplifier |
| 09/18/2008 | US20080224779 Programmable gain amplifier with noise cancellation |
| 09/18/2008 | US20080224772 Operational Amplifier Selecting One of Inputs, and an Amplifying Apparatus Using the Op Amplifier the Verification Method |
| 09/18/2008 | US20080224769 Power supply providing ultrafast modulation of output voltage |
| 09/18/2008 | DE102007012867A1 Gain controller for amplifier in switching arrangement, has amplifying elements assigned corresponding to frequency ranges, where amplifying elements are connected with adjustable damping actuators and sloping position actuators |
| 09/17/2008 | EP1971094A1 Light receiver |
| 09/17/2008 | EP1971024A2 Television set and audio output unit |
| 09/17/2008 | EP1969721A2 Telecommunications terminal and method of operation of the terminal |
| 09/17/2008 | EP1969716A1 Mixer circuit and rf transmitter using such mixer circuit |
| 09/17/2008 | CN101267190A Variable gain amplifier and its gain control method and receiver/transmitter |
| 09/17/2008 | CN101267189A Automatic volume adjusting device, method and mobile terminal |
| 09/17/2008 | CN100419613C Constant voltage supply circuit, substrate of constant voltage supply circuit, and method of applying constant voltage |
| 09/16/2008 | US7426417 Method and apparatus for efficiently accounting for the temporal nature of audio processing |
| 09/16/2008 | US7426250 Automatic gain controller and controlling method thereof |
| 09/12/2008 | WO2008109607A1 Apparatus and methods accounting for effects of discontinuities at the output of automatic gain control in a multi carrier system |
| 09/12/2008 | WO2008107421A1 Analogue-to-digital converter (adc) dynamic range and gain control |
| 09/12/2008 | CA2678113A1 Apparatus and methods accounting for automatic gain control in a multi carrier system |
| 09/11/2008 | US20080219462 Device and method for shaping a digital audio signal |
| 09/11/2008 | US20080219459 System and method for processing audio signal |
| 09/11/2008 | US20080219458 Self-Adjusting and Self-Modifying Addressable Speaker |
| 09/11/2008 | US20080218631 Television set and audio output unit |
| 09/11/2008 | US20080218269 Power amplifier circuit, control method thereof and control program thereof |
| 09/11/2008 | US20080218268 Automatic gain control circuit |
| 09/11/2008 | US20080218261 RF Power Amplifier Mirror Circuit for Sensing Current |
| 09/10/2008 | EP1968189A2 Control of power ratios for in-phase and quadrature channels in a communications system |
| 09/10/2008 | EP1275200B1 Method and apparatus for dynamic sound optimization |
| 09/10/2008 | CN201114043Y 3W multi- carrier power amplifier of TD-SCDMA system base station |
| 09/10/2008 | CN201114042Y 3W multi- carrier power amplifier for TD-SCDMA system base station |
| 09/10/2008 | CN201113928Y Sound control device |
| 09/10/2008 | CN101263659A Reception amplitude correction circuit, reception amplitude correction method, and receiver using the same |
| 09/10/2008 | CN101262573A Receiving apparatus, method of controlling the apparatus, and program for implementing the method |
| 09/10/2008 | CN101262262A Power amplifier circuit, control method thereof and control program thereof |
| 09/10/2008 | CN101262208A Automatic gain control circuit |
| 09/09/2008 | US7424276 Transmitter and wireless communication apparatus using the transmitter |
| 09/09/2008 | US7424120 Method and apparatus for volume control |
| 09/09/2008 | US7424117 System and method for generating sound transitions in a surround environment |
| 09/09/2008 | US7423487 Variable gain feedback amplifier circuit apparatus and method therefor |
| 09/04/2008 | WO2008105701A1 Radio communications using scheduled power amplifier backoff |
| 09/04/2008 | WO2007112424A3 Audio limiting device for headphones |
| 09/04/2008 | US20080214139 Multistage Resonant Amplifier System and Method |
| 09/04/2008 | US20080214125 Method and Apparatus For Dynamically Adjusting a Transmitter's Impedance and Implementing a Hybrid Power Amplifier Therein Which Selectively Connects Linear and Switch-Mode Power Amplifiers in Series |
| 09/04/2008 | US20080212802 Audio processing system |
| 09/04/2008 | US20080212790 Sound effect processing system applied to computer |
| 09/04/2008 | US20080212553 Low latency frequency switching |
| 09/04/2008 | US20080211582 Wide-band adjustable gain low-noise amplifier |
| 09/04/2008 | US20080211575 Loop Gain Equalizer For Rf Power Amplifier |
| 09/03/2008 | EP1965491A1 Radio frequency power control circuit |
| 09/03/2008 | EP1917714A4 Adaptive transmit power control system |
| 09/03/2008 | EP1693955B1 Dynamic bias for RF power amplifiers |
| 09/03/2008 | EP1599937A4 Method and apparatus for controlling the output power of a power amplifier |
| 09/03/2008 | EP1466406B1 Direct Conversion Receiver with Bias Control and Bypassing of Amplifiers at High Receive Levels |
| 09/03/2008 | EP1352466B1 A fully differential, variable-gain amplifier and a multidimensional amplifier arrangement |
| 09/03/2008 | CN101258773A Method and equipment with separating compressor in control hearing aid |
| 09/03/2008 | CN101257319A Complete digital logarithm automatic gain control device and method |
| 09/03/2008 | CN100417043C Automatic gain controller and its control method |
| 09/03/2008 | CN100417035C Detecting circuit of wide dynamic range supplied by small emitter |
| 09/02/2008 | US7421213 Optical receiver control device with a switchable bandwidth |
| 09/02/2008 | US7420419 Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in DC current flowing into active element for performing voltage/current conversion |
| 09/02/2008 | US7420415 Method and apparatus for controlling a power amplifier in a mobile communication system |
| 09/02/2008 | US7420414 Amplifier, and step-down regulator and operational amplifier using the amplifier |
| 09/02/2008 | US7420411 Voltage control circuit and method for supplying an electrical component with a supply voltage |
| 08/28/2008 | WO2008103757A1 Amplifier with integrated filter |
| 08/28/2008 | WO2008103521A1 System and method for engaging in conversation while using an earphone |