Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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04/06/2006 | US20060072769 Audio output level setting method and device |
04/06/2006 | US20060071713 Gain control device of transmitter in mobile communication terminal and method thereof |
04/06/2006 | US20060071652 Power measuring apparatus, power control apparatus, radio communication apparatus and power measuring method |
04/06/2006 | DE19624092B4 Verstärkungsschaltung, vorzugsweise für analoge oder digitale Hörgeräte sowie Hörgeräte unter Verwendung einer entsprechenden Verstärkungsschaltung bzw. eines entsprechenden Signalverarbeitungs-Algorithmus Amplification circuit, preferably for analog or digital hearing aid as well as hearing aids using a corresponding amplifying circuit or a corresponding signal processing algorithm |
04/06/2006 | DE102004038089A1 Reglergestütztes Verfahren und reglergestützte Vorrichtung zur Bestimmung der Kennlinie eines Kompensationsgliedes in einem Pegelkreis Controller-implemented method and apparatus for determining the controller based characteristic of a compensation element in a level circular |
04/05/2006 | EP1643640A1 Mobile-communication equipment and transmission power control method |
04/05/2006 | EP1643639A1 Optical control type microwave phase forming device |
04/05/2006 | EP1643638A1 Electronic volume control apparatus |
04/05/2006 | EP1642384A2 Integrated power amplifier circuit |
04/05/2006 | EP1127408B1 Variable gain amplifier with improved linearity |
04/05/2006 | CN2770224Y Audio frequency amplifier low-frequency gain control circuit |
04/05/2006 | CN2770223Y Offset correct circuit and electronic sound volume apparatus |
04/05/2006 | CN1757194A Method and apparatus for automatic gain control of a multi-carrier signal in a communication receiver |
04/05/2006 | CN1757186A Transceiver power detection architecture |
04/05/2006 | CN1756074A Method for automatic amplification of volume |
04/05/2006 | CN1756073A Amplifier circuit and input circuit |
04/05/2006 | CN1250023C Method and device for controlling power of emission unit |
04/05/2006 | CN1249919C Variable gain amplifier |
04/05/2006 | CN1249918C RF gain varying amplifying device |
04/05/2006 | CN1249912C High-efficiency modulating RF amplifier |
04/04/2006 | US7024260 Method and apparatus for processing digital audio signal |
04/04/2006 | US7024231 Booster system in a cellular phone base station |
04/04/2006 | US7024169 AMPS receiver using a zero-IF architecture |
04/04/2006 | US7024007 Electric signal processing of electroacoustic transducer |
04/04/2006 | US7024004 Audio circuit having noise cancelling function |
04/04/2006 | US7024002 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |
04/04/2006 | US7023278 Digital power amplifier level control |
04/04/2006 | US7023275 Variable gain amplifier |
04/04/2006 | US7023005 Gain compensation for optocoupler feedback circuit |
03/30/2006 | US20060068735 Radio receiver and radio receiving method |
03/30/2006 | US20060068734 Radio receiver and radio receiving method |
03/30/2006 | US20060068730 High frequency peak power detection circuit |
03/30/2006 | US20060068726 Transmitter and radio communication terminal using the same |
03/30/2006 | US20060067543 Electronic volume control apparatus |
03/30/2006 | US20060067536 Method and system for time synchronizing multiple loudspeakers |
03/30/2006 | US20060067535 Method and system for automatically equalizing multiple loudspeakers |
03/30/2006 | US20060066404 Semiconductor integrated circuit for high frequency power amplifier and electric components with the semiconductor integrated circuit |
03/30/2006 | US20060066403 Power amplifier and method for power amplification |
03/30/2006 | US20060066402 Amplifier circuit and input circuit |
03/30/2006 | US20060066398 High frequency power amplifier circuit and electric component for high frequency power amplifier |
03/30/2006 | US20060066397 Multi-stage variable gain amplifier utilizing overlapping gain curves to compensate for log-linear errors |
03/30/2006 | US20060066396 Circuit for power amplification |
03/30/2006 | US20060066363 Driver circuit with gradual voltage ramp up and ramp down |
03/30/2006 | DE4228833B4 Signalverarbeitungsschaltung Signal processing circuit |
03/29/2006 | EP1639815A1 Receiver for receiving radio frequency signals |
03/29/2006 | CN1754312A A method and a device for adjusting power amplifier properties |
03/29/2006 | CN1753427A Device and method for automatically regulating mobile terminal loudness |
03/28/2006 | US7020449 Fast settling variable gain amplifier with DC offset cancellation |
03/28/2006 | US7020447 Method and apparatus for compensating for distortion in radio apparatus |
03/28/2006 | US7020293 Noise reduction method |
03/23/2006 | WO2006030282A1 Impulse noise correction |
03/23/2006 | US20060063507 AM demodulator |
03/23/2006 | US20060063496 Communications signal amplifiers having independent power control and amplitude modulation |
03/23/2006 | US20060062406 Voltage supply circuit and microphone unit comprising the same |
03/23/2006 | US20060061465 Thematic vehicle interior |
03/23/2006 | DE102005032996A1 Amplitudenregelungsschaltung Amplitude control circuit |
03/22/2006 | EP1638211A1 Impulse noise correction |
03/22/2006 | EP1636955A2 Method and system for compensating for phase variations intermittently introduced into communication signals by enabling or disabling an amplifier |
03/22/2006 | CN1750391A Variable gain amplifying circuit and relative method |
03/22/2006 | CN1750390A Amplifier circuit and gain control method |
03/22/2006 | CN1750389A Control parameter setting method for control circuit in measurement control system and measuring instrument |
03/21/2006 | US7016435 Broadcast receiver having automatic gain control function |
03/21/2006 | US7016433 Method and system for compensating for phase variations intermittently introduced into communication signals by enabling or disabling an amplifier |
03/21/2006 | US7015761 Power amplifier module |
03/21/2006 | US7015760 Amplifier control based on load impedance and methods |
03/21/2006 | US7015759 AGC circuit |
03/21/2006 | US7015758 Gain control circuit, and a radio communication apparatus using the same |
03/16/2006 | WO2006027965A1 Receiving circuit and light receiving circuit |
03/16/2006 | WO2006027427A1 Device for amplification of a receiving antenna signal |
03/16/2006 | US20060057981 Communication terminal device and amplifying circuit |
03/16/2006 | US20060057979 Dynamic power control circuit of wireless communication device |
03/16/2006 | US20060056847 Optical control type microwave phase forming device |
03/16/2006 | US20060055463 Linear transconductance cell with wide tuning range |
03/16/2006 | US20060055462 Amplifier circuit and gain control method |
03/16/2006 | DE10300705B4 Verfahren und Steuervorrichtung zur Steuerung einer automatischen Verstärkungsregelungs-Einheit A method and control apparatus for controlling an automatic gain control unit |
03/16/2006 | DE10208415B4 Verstärkungsregelung in WLAN-Geräten Gain control in wireless devices |
03/16/2006 | DE102005028260A1 Power amplifier controlling method in wireless communication system, involves producing concave inter-slot ramp control curve for reducing power of amplifier in inter-slot region between two continuous or adjacent time slots |
03/16/2006 | DE102004038151A1 Navigationsgestützte geschwindigkeitsabhängige Lautstärkeregelung Navigation-assisted speed-sensitive volume control |
03/15/2006 | EP1635467A2 Radio apparatus |
03/15/2006 | EP1635455A1 Mute circuit |
03/15/2006 | EP1634443A2 Digital broadcast receiver |
03/15/2006 | EP1324486B1 Method and circuit for distortion compensation and output control |
03/15/2006 | CN1747331A Device and method for controlling gains of audio frequency output amplifier of mobile communication terminal |
03/15/2006 | CN1747320A Volume controller and control |
03/15/2006 | CN1245799C Variable gain amplifier |
03/14/2006 | US7013118 High speed operational amplifier design |
03/14/2006 | US7013117 Analog power detection for gain control operations |
03/14/2006 | US7013013 Surround device |
03/14/2006 | US7013012 Method for processing sound effects in a notebook computer |
03/14/2006 | US7013011 Audio limiting circuit |
03/14/2006 | US7012968 Apparatus for detecting and adjusting transmission power of CDMA system |
03/14/2006 | US7012478 Method and device to control the power of millimeter waves for a V-band TR module |
03/14/2006 | US7012469 Integrated circuit device having high efficiency at the time of low power output |
03/09/2006 | US20060052078 Device for amplifying the signal from a receive antenna |
03/09/2006 | US20060052068 Communications signal amplifiers having independent power control and amplitude modulation |
03/09/2006 | US20060050899 System and method for controlling sound volume |
03/09/2006 | US20060050898 Audio signal processing apparatus and method |
03/09/2006 | US20060050897 Audio signal processing method and apparatus device |
03/09/2006 | US20060050817 Receiving apparatus and receiving method |
03/09/2006 | US20060049875 Controllable amplifier circuit with a variable discrete-value gain, use of the amplifier circuit and method for operation of an amplifier whose gain can be adjusted in discrete values |