| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 02/08/2006 | EP1623244A2 Efficient coupler detector circuit with reduced harmonic distortion |
| 02/08/2006 | CN2757440Y Automatic gain controller for time division duplex radio communication system |
| 02/08/2006 | CN1732620A Power amplifier circuit and method using bandlimited signal component estimates |
| 02/08/2006 | CN1732471A Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system |
| 02/08/2006 | CN1241377C Method and apparatus for automatic gain control in quadrature phase shift keying demodulator |
| 02/07/2006 | US6996445 Sound volume adjustment system in personal computer and sound volume adjustment method thereof |
| 02/07/2006 | US6996386 Automatic gain control circuit controlling gain of receiver including two automatic gain control amplifiers |
| 02/07/2006 | US6996383 Digitized automatic gain control system and methods for a controlled gain receiver |
| 02/07/2006 | US6996382 Transmission output power control device for use in a burst transmitter and control method |
| 02/07/2006 | US6996381 Apparatus and method for compensating transmission power in mobile terminal |
| 02/07/2006 | US6996240 Loudspeaker unit adapted to environment |
| 02/07/2006 | US6995806 Amplifier with a universal automatic gain control circuit |
| 02/02/2006 | US20060025103 AM demodulator |
| 02/02/2006 | US20060023894 Single bit per-voice dry/wet reverb control |
| 02/02/2006 | US20060023061 Teleconference audio quality monitoring |
| 02/02/2006 | US20060022751 Power amplifier arrangement and method for memory correction/linearization |
| 02/02/2006 | US20060022748 Variable gain amplifier circuit and radio machine |
| 02/02/2006 | DE10044416B4 Switching mode power converter has controller for motor speed control coupled to pair of switches, which activates each of the switches during respective switching cycles |
| 02/01/2006 | EP1622262A1 RF unit and method for power control to be used in a radio communication equipment |
| 02/01/2006 | EP1620955A1 Automatic gain control using signal and interference power to obtain extended blocking performance |
| 02/01/2006 | EP0960475B1 Power saving device for radio communication terminal |
| 02/01/2006 | CN1729620A System for regulating the level of an amplified signal in an amplification chain. |
| 02/01/2006 | CN1728741A Voice emplifying device of mobile communication terminal and its method |
| 02/01/2006 | CN1728570A RF receiver using agc and RF receiving method |
| 02/01/2006 | CN1728547A 振幅控制电路 Amplitude control circuit |
| 02/01/2006 | CN1728546A Related method and circuit for carrying out automatic volume control |
| 01/31/2006 | US6993305 AM receiver with audio filtering means |
| 01/31/2006 | US6993303 Radio frequency signal attenuation circuitry and gain controlling unit |
| 01/31/2006 | US6993299 Efficiency of power amplifiers in devices using transmit beamforming |
| 01/31/2006 | US6993066 Transmitting apparatus and gain compensating method |
| 01/31/2006 | US6992607 Speech synthesizer |
| 01/31/2006 | US6992529 Apparatus, methods and articles of manufacture for a dual mode amplifier |
| 01/31/2006 | US6992528 Semiconductor device |
| 01/31/2006 | US6992524 Quiescent current control circuit for high-power amplifiers |
| 01/26/2006 | US20060019621 Radio frequency circuit and communication system with power amplifier control |
| 01/26/2006 | US20060018493 Apparatus and method of automatically compensating an audio volume in response to channel change |
| 01/26/2006 | US20060018492 Sound control system and method |
| 01/26/2006 | US20060018486 Efficient filter for artificial ambience |
| 01/26/2006 | US20060018414 RF receiver using AGC and RF receiving method |
| 01/26/2006 | US20060017509 Auxiliary transistor gate bias control system and method |
| 01/26/2006 | US20060017508 Integrated circuit with resistive network having reduced mismatch |
| 01/26/2006 | US20060017507 Automatic level control circuit with improved attack action |
| 01/26/2006 | US20060017501 Automatic level control circuit with improved recovery action |
| 01/25/2006 | EP1619793A1 Audio enhancement system and method |
| 01/25/2006 | EP1618674A2 An amps receiver system using a zero-if architecture |
| 01/25/2006 | EP1618655A2 Front-end sensitivity booster |
| 01/25/2006 | EP1618650A1 Method and device for power amplifier with high accuracy of an output signal |
| 01/25/2006 | CN1726639A Radio wave reception device, radio wave clock, and repeater |
| 01/25/2006 | CN1725641A Device for automatic turn-off audio when income of mobile phone in vehicle |
| 01/25/2006 | CN1725635A Mobile radio receiver with hybrid gain setting and method for gain setting |
| 01/25/2006 | CN1725634A Automatic level control circuit with improved attack action |
| 01/25/2006 | CN1725633A Automatic level control circuit with improved recovery action |
| 01/25/2006 | CN1725632A Thermal attenuator and radio transciever |
| 01/25/2006 | CN1239000C Direct conversion demodulator with automatic gain control function |
| 01/24/2006 | US6990382 Control system for digital sound effect and the method of the same |
| 01/24/2006 | US6990206 Integrating apparatus |
| 01/24/2006 | US6990205 Apparatus and method for producing virtual acoustic sound |
| 01/24/2006 | US6989717 Circuit and method for switching gains of preamplifier |
| 01/24/2006 | US6989716 Variable gain amplifier |
| 01/24/2006 | US6989712 Accurate power detection for a multi-stage amplifier |
| 01/24/2006 | US6989711 Sectional power/voltage/current limiter for a multi-phase amplifier |
| 01/19/2006 | WO2006006977A1 Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
| 01/19/2006 | US20060015199 Audio signal processing apparatus and audio signal processing method |
| 01/19/2006 | US20060014508 Device and method for determining the level of an input signal intended to be applied to a receiving system |
| 01/19/2006 | US20060014507 Radio receiver |
| 01/19/2006 | US20060013414 Methods and related circuit for automatic audio volume level control |
| 01/19/2006 | US20060013413 Audio signal output circuit and electronic apparatus outputting audio signal |
| 01/19/2006 | US20060013327 Apparatus for antenna diversity using joint maximal ratio combining |
| 01/19/2006 | US20060012519 Optical control type phased array antenna |
| 01/19/2006 | US20060012435 High frequency power amplification electric part and wireless communication system |
| 01/19/2006 | US20060012434 Variable gain amplifier |
| 01/19/2006 | DE102005007845A1 Verfahren und Vorrichtung zum Steuern eines Sendeleistungsverstärkers Method and device for controlling a transmit power amplifier |
| 01/19/2006 | CA2566345A1 Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
| 01/18/2006 | CN1723670A AGC circuit arrangement for a tuner |
| 01/18/2006 | CN1723616A 音频放大器 Audio Amplifiers |
| 01/18/2006 | CN1723615A Preserving linearity of an isolator-free power amplifier by dynamically adjusting gain and phase |
| 01/18/2006 | CN1237712C Power amplifier for mobile telephone set |
| 01/18/2006 | CN1237708C Crackle suppressing circuit and sound output amplifier |
| 01/17/2006 | US6988068 Compensating for ambient noise levels in text-to-speech applications |
| 01/17/2006 | US6987858 Signal processing method, program, and signal processing apparatus |
| 01/17/2006 | US6987422 Equal phase multiple gain state amplifier |
| 01/17/2006 | US6987069 Fabrication process of a semiconductor integrated circuit device |
| 01/12/2006 | US20060009163 Wireless communication device |
| 01/12/2006 | US20060008095 Pulse-width modulation amplifier and suppression of clipping therefor |
| 01/12/2006 | US20060006944 High frequency power amplifier circuit |
| 01/12/2006 | US20060006943 Power control of a power amplifier |
| 01/12/2006 | US20060006940 RF power amplifier system having a plurality of different power control modes |
| 01/12/2006 | DE102004029413A1 Elektrischer Verstärker und Verfahren zu dessen Steuerung Electrical amplifier and method for controlling |
| 01/11/2006 | EP1615359A2 Infrared communication device |
| 01/11/2006 | EP1614233A2 System, method, and circuit for dynamic range enhancement in a communication system |
| 01/11/2006 | CN1720668A Power limit device and digital radio transmitter using the same |
| 01/11/2006 | CN1720658A Amplifier circuit |
| 01/11/2006 | CN1719724A Sound volume controlling system and method |
| 01/10/2006 | US6985782 Audio control signal transmission apparatus and reception appartus, control system and control method using an audio control signal, program information transmission apparatus and transmission method, and program reservation apparatus and program reservation method |
| 01/10/2006 | US6985751 Combined open and closed loop power control with differential measurement |
| 01/10/2006 | US6985707 Receiver with AGC controlled resonance amplifier |
| 01/10/2006 | US6985594 Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment |
| 01/10/2006 | US6985514 Automatic gain control circuit and method for direct sequence spread spectrum receiver |
| 01/10/2006 | US6985038 Operational amplifier generating desired feedback reference voltage allowing improved output characteristic |
| 01/05/2006 | WO2006002036A2 Audiometer instrument computer control system and method of use |