Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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04/19/2005 | US6882185 Exponential current generator and method |
04/14/2005 | WO2005034342A1 Method for regulating the power of a power amplifier in a mobile communication terminal |
04/14/2005 | WO2005033880A2 Method and apparatus for performing multimedia operations |
04/14/2005 | WO2005033871A2 Method for creating a collection of multimedia interactive graphic elements using arrow logic |
04/14/2005 | WO2005033870A2 Method for creating and using text objects as control devices |
04/14/2005 | WO2004077847A3 Method and apparatus for selective disregard of co-channel transmissions on a medium |
04/14/2005 | US20050079842 Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
04/14/2005 | US20050079835 Transmitting method and transmitter apparatus |
04/14/2005 | US20050078966 Identification level control method and optical receiver |
04/14/2005 | US20050078841 Method and apparatus for resetting a buffer amplifier |
04/14/2005 | US20050078838 Hearing ajustment appliance for electronic audio equipment |
04/14/2005 | US20050078835 Vibroacoustic emulator |
04/14/2005 | US20050078775 Mitigating the impact of phase steps |
04/14/2005 | US20050078123 Method for creating and using text objects as control devices |
04/14/2005 | US20050077963 Modulation dependent biasing for efficient and high-linearity power amplifiers |
04/14/2005 | US20050077959 Gain control circuit |
04/14/2005 | US20050077958 Amplifier with capacitor selection |
04/14/2005 | DE10341340A1 Verfahren zur Leistungsregelung für ein mobiles Kommunikationsendgerät A method for power control for a mobile communication terminal |
04/14/2005 | DE10059470B4 Verfahren zur Einstellung eines Schallpegels in einem Mobiltelefon Method for adjusting sound levels in a mobile phone |
04/13/2005 | EP1523094A1 Automatically adjusting low noise amplifier |
04/13/2005 | EP1522151A2 System and method for a direct conversion multi-carrier processor |
04/13/2005 | EP1522142A2 Amplifying circuit with adjustable amplification and transmitter system comprising such an amplifying circuit |
04/13/2005 | EP1041727B1 Spread-spectrum apparatus and method |
04/13/2005 | CN1606829A Automatic gain control for a tuner |
04/13/2005 | CN1197239C Amplifier circuit and method of control thereof |
04/13/2005 | CN1197238C Automatic gain controller and method and communication equipment with said control function |
04/12/2005 | US6879210 Variable gain amplifier |
04/12/2005 | US6879204 Exponential conversion circuit |
04/12/2005 | CA2373516C Method and apparatus for obtaining optimal performance in a receiver |
04/07/2005 | WO2005011111A3 Audio conditioning apparatus, method and computer program product |
04/07/2005 | WO2005006574A3 Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication |
04/07/2005 | US20050075088 Wireless communication semiconductor integrated circuit device and wireless communication system |
04/07/2005 | US20050075085 Transmit power control in a wireless communication device |
04/07/2005 | US20050073450 Temperature compensation device for automatic gain control loop |
04/07/2005 | US20050073359 Apparatus for automatically controlling a gain of a power amplifier and associated methods |
04/07/2005 | US20050073357 Automatically adjusting low noise amplifier |
04/07/2005 | US20050072625 Acoustic diffusers for acoustic field uniformity |
04/06/2005 | EP1210765A4 Filter banked gain control of audio in a noisy environment |
04/06/2005 | EP0960474B1 A communication system, device and method |
04/06/2005 | CN1604604A A method and apparatus for automatic regulation of mobile phone volume |
04/06/2005 | CN1604209A Current to voltage conversion circuit for photo detector integrated circuit employing gain switching circuit |
04/06/2005 | CN1196303C Gain controller for orthogonal transceiver |
04/06/2005 | CN1196269C Communication equipment, radio communication system and automatic gain control method of radio communication equipment |
04/06/2005 | CN1196256C Muting circuit having controllable impedance means for soft muting |
04/05/2005 | US6876748 Digital signal processing for symmetrical stereophonic imaging in automobiles |
04/05/2005 | US6876257 Gain control circuit, and a radio communication apparatus using the same |
04/05/2005 | US6876253 Amplifier for alternating signals superimposed on a continuous signal and method for amplifying such signals |
04/05/2005 | US6876243 High linearity large bandwidth, switch insensitive, programmable gain attenuator |
03/31/2005 | WO2005029694A1 An adaptive wideband digital amplifier for linearly modulated signal amplification and transmission |
03/31/2005 | WO2004082321A3 Multi-channel digital feedback reducer system |
03/31/2005 | US20050071764 Method for creating a collection of multimedia interactive graphic elements using arrow logic |
03/31/2005 | US20050071747 Method and apparatus for performing multimedia operations |
03/31/2005 | US20050069154 Electronic apparatus that allows speaker volume control based on surrounding sound volume and method of speaker volume control |
03/31/2005 | US20050069142 Integrated circuit and electronic apparatus provided with the same with software IP implementation |
03/31/2005 | US20050068087 Exponential conversion circuit |
03/31/2005 | US20050068060 Transmission signal correction circuit |
03/31/2005 | DE19603722B4 HF-Eingangsstufe RF input stage |
03/31/2005 | DE10337444A1 Device for simultaneous transmission of two mobile RF signals e.g. for mobile RF equipment of third generation, has device for matching power output stage at input and/or output over wide frequency range |
03/30/2005 | EP1519481A1 Agc circuit |
03/30/2005 | EP1519264A2 Electronic apparatus that allows speaker volume control based on surrounding sound volume and method of speaker volume control |
03/30/2005 | EP1518335A1 Method for tuning an envelope tracking amplification system |
03/30/2005 | CN1601929A Receiving circuit for free-space optical communication |
03/30/2005 | CN1601895A Control method for the AGC unit of a radio receiver |
03/30/2005 | CN1601513A Integrated circuit and electronic apparatus provided with the same |
03/30/2005 | CN1601457A Electronic apparatus that allows speaker volume control based on surrounding sound volume and method of speaker volume control |
03/29/2005 | US6873833 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system |
03/29/2005 | US6873832 Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
03/24/2005 | WO2005027343A1 Staggered agc with digitally controlled vga |
03/24/2005 | WO2005027342A1 Power amplifier with improved linearity and efficiency |
03/24/2005 | WO2005025767A1 Acoustic diffusers for acoustic field uniformity |
03/24/2005 | WO2004095765A3 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system |
03/24/2005 | US20050064841 Receiving circuit |
03/24/2005 | US20050064834 Control method for the AGC unit of a radio receiver |
03/24/2005 | US20050064828 Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system |
03/24/2005 | US20050063556 Audio device |
03/24/2005 | US20050063554 System and method for audio system configuration |
03/24/2005 | US20050063552 Ambient noise sound level compensation |
03/24/2005 | US20050063533 Microprocessor-controlled full-duplex speakerphone using automatic gain control |
03/24/2005 | US20050063270 Amplifier circuit for optical desk drive |
03/24/2005 | US20050062529 Adaptive wideband digital amplifier for linearly modulated signal amplification and transmission |
03/24/2005 | US20050062527 Digital amplifier |
03/24/2005 | US20050061954 Receiving circuit for free-space optical communication |
03/24/2005 | DE10317805B4 Schaltungsanordnung zur Offsetkompensation in breitbandigen Hochfrequenzdetektoren und -verstärkern Circuit arrangement for offset compensation in broadband high-frequency detectors and amplifiers |
03/23/2005 | EP1517452A2 High-quality power ramping in a communications transmitter |
03/23/2005 | EP1517440A2 Variable gain control circuit and receiver apparatus using the circuit |
03/23/2005 | EP1517438A1 Digital amplifier |
03/23/2005 | CN2688006Y Mixing console |
03/23/2005 | CN1599241A 接收电路 Receiving circuit |
03/22/2005 | US6871053 Wireless communication apparatus |
03/22/2005 | US6871050 Circuit configuration for controlling the transmitting power of a battery-operated transceiver |
03/22/2005 | US6871049 Improving the efficiency of power amplifiers in devices using transmit beamforming |
03/22/2005 | US6870425 System and method of amplifier gain control by variable bias and degeneration |
03/22/2005 | CA2071557C Use of iteration to improve the correction of agc dependent channel-to-channel gain imbalance |
03/17/2005 | WO2005025056A1 Automatic gain control amplification device, reception device, and radio communication device |
03/17/2005 | WO2005025053A2 Dual mode multi-slot egprs transmitter |
03/17/2005 | WO2004112425B1 Audio amplifier with local interface system |
03/17/2005 | US20050059424 System and method for power control calibration and a wireless communication device |
03/17/2005 | US20050059374 AM receiver circuit performing sound quality compensation of AM detection output signal |
03/17/2005 | US20050059369 Method and apparatus for maintaining audio level preferences in a communication device |
03/17/2005 | US20050058228 Staggered AGC with digitally controlled VGA |