Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
01/2006
01/05/2006WO2006000885A1 Low current direct conversion transmitter architecture
01/05/2006WO2006000215A1 Method of evaluating perception intensity of an audio signal and a method of controlling an input audio signal on the basis of the evaluation
01/05/2006US20060003726 Automatic gain control using signal and interference power to obtain extended blocking performance
01/05/2006US20060003716 Radio communication terminal and gain control circuit for the same
01/05/2006US20060003712 High-quality power ramping in a communications transmitter
01/05/2006US20060002573 Radio receiver volume control system
01/05/2006US20060002572 Method for correcting metadata affecting the playback loudness and dynamic range of audio information
01/05/2006US20060002571 Self-adjusted car stereo system
01/05/2006US20060001488 Digital audio amplifier including phase lead-lag compensator for increasing self-oscillation frequency
01/05/2006US20060001486 Bias circuit for high frequency amplifiers
01/05/2006DE102004034382A1 Empfangsschaltung und Verfahren zum Empfangen eines OFDM-Signals Receiving circuit and method for receiving an OFDM signal
01/04/2006EP1612952A1 Methods and apparatus for reducing signal interference in a wireless receiver based on signal-to-interference ratio
01/04/2006EP1612932A1 Multiple power mode amplifier with bias modulation option and without bypass switches
01/04/2006EP1611697A1 Power saving in a transmitter
01/04/2006EP1611678A1 Volume control device for digital signals
01/04/2006CN1717865A System and method for reducing transfer function ripple in a logarithmic RMS-to-DC converter
01/04/2006CN1717864A Amplifier assembly, receiver comprising said assembly and method for operating a programmable amplifier
01/04/2006CN1716764A System and method for adjusting an audio signal
01/03/2006US6983025 High quality power ramping in a communications transmitter
01/03/2006US6982972 Signal processor in multiplex communication system utilizing a changeover signal indicating a change in gain of the transmission signal and the signal processing method for the system
01/03/2006US6982627 Low power regulated amplifier for a transponder
01/03/2006US6982602 Low voltage input current mirror circuit and method
01/03/2006US6982596 Operational transconductance amplifier and AGC amplifier using the same
01/03/2006US6982594 System for developing a secondary control signal in a power amplifier control loop
01/03/2006US6982593 Switching amplifier architecture
01/03/2006US6982588 Inverse function method for semiconductor mixer linearity enhancement
12/2005
12/29/2005WO2005125001A1 Method of automatic gain control for multiple receiver front-ends
12/29/2005WO2005125000A1 Receive circuit and method for receiving an ofdm signal
12/29/2005WO2005124999A2 Peak-limiting mixer for multiple audio tracks
12/29/2005WO2005039062A3 Amplifier with capacitor selection
12/29/2005US20050289392 Power supply device, method, program, recording medium, network analyzer, and spectrum analyzer
12/29/2005US20050287975 Automatic gain control for satellite digital audio radio service receiver, method of automatically controlling gain and SDARS receiver incorporating the same
12/29/2005US20050285682 Amplifying circuit with variable supply voltage
12/29/2005US20050285679 Variable gain amplifier circuit
12/29/2005US20050285670 Audio amplifier
12/29/2005DE102004024875A1 Verstärkeranordnung und Verfahren zur Kompensation eines Signalanteils in einer Verstärkeranordnung Amplifier arrangement and method for compensating a signal component in an amplifier arrangement
12/28/2005EP1610469A2 Method of operating a demodulator, demodulator and radio receiver
12/28/2005EP1610457A1 Communication terminal device and amplification circuit
12/28/2005EP1609249A1 Am receiver and demodulator
12/28/2005CN1714505A Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics
12/27/2005US6980780 Power controller
12/27/2005US6980610 Wireless terminal device
12/27/2005US6980053 Adaptable voltage control for a variable gain amplifier
12/22/2005US20050283261 Speaking thermometer
12/22/2005US20050282509 Method of automatic gain control for multiple receiver front-ends
12/22/2005US20050282508 Method and apparatus for controlling a TX power amplifier
12/22/2005US20050282507 Method and apparatus for controlling a TX power amplifier
12/22/2005US20050281418 Peak-limiting mixer for multiple audio tracks
12/22/2005US20050281417 Media device
12/22/2005US20050281411 Binaural horizontal perspective display
12/22/2005US20050281410 Processing audio data
12/22/2005US20050281353 Method and apparatus for controlling a TX power amplifier
12/22/2005US20050280470 Amplifying apparatus with automatic level controller
12/22/2005US20050280462 Inverse function method for semiconductor mixer linearity enhancement
12/22/2005DE4344293B4 Sensorcharakteristik-Abgleichschaltung zum Abgleichen der Ausgangscharakteristik eines Halbleitersensors Sensor characteristic adjustment circuit for matching the output characteristics of a semiconductor sensor
12/22/2005DE102005009747A1 Signalprozessor Signal processor
12/22/2005DE102004026168A1 Adjustment method for obtaining desired radiation performance for antenna of radio communication equipment involves selecting performance booster with highest efficiency for particular performance class from several performance boosters
12/21/2005EP1608062A1 Digitally controlled resistance
12/21/2005EP1607939A1 Speech signal compression device, speech signal compression method, and program
12/21/2005EP1606896A2 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
12/21/2005EP1606884A2 Clip detection in pwm amplifier
12/21/2005EP1273106B1 Method and transmission circuit for producing a transmission signal
12/21/2005CN1711700A Automatic gain control using signal and interference power to obtain extended blocking performance
12/21/2005CN1710807A Amplifying apparatus with automatic gain controlling circuit
12/21/2005CN1233101C Control device and control method for transmission output of sudden transmitter
12/20/2005US6978117 RF AGC amplifier system for satellite/terrestrial radio receiver
12/20/2005US6978027 Reverberation processor for interactive audio applications
12/20/2005US6978009 Microprocessor-controlled full-duplex speakerphone using automatic gain control
12/20/2005US6977976 Complex filtering/AGC radio receiver architecture for low-IF or zero-IF
12/20/2005US6977555 Tuner circuit
12/20/2005US6977554 Variable gain amplifier for high frequency band using microstrip hybrid
12/20/2005US6977553 Method and apparatus for an LNA with high linearity and improved gain control
12/20/2005US6977551 Dual band power amplifier module for wireless communication devices
12/20/2005US6977550 AGC circuit
12/20/2005US6976729 Deployable rigid system for crash energy management
12/15/2005WO2005119376A2 Horizontal perspective display
12/15/2005WO2005118998A1 Horizontal perspective simulator
12/15/2005WO2005025056A8 Automatic gain control amplification device, reception device, and radio communication device
12/15/2005US20050278043 Method and device for solving sound distortion problem of sound playback and recording device
12/15/2005US20050277391 Transmitting apparatus
12/15/2005US20050277390 Transmission modulation apparatus
12/15/2005US20050276426 Information processing apparatus, volume control method, recording medium, and program
12/15/2005US20050276425 System and method for adjusting an audio signal
12/15/2005US20050276424 Computer speaker beep routing
12/15/2005US20050276359 Gain control for a receiver in a multi-carrier communication system
12/15/2005US20050275915 Multi-plane horizontal perspective display
12/15/2005US20050275914 Binaural horizontal perspective hands-on simulator
12/15/2005US20050275913 Binaural horizontal perspective hands-on simulator
12/15/2005DE10324964B4 Funksignalempfänger und Verfahren zur Lautstärkeregelung eines Funksignalempfängers Radio signal receiver and method for volume control of a radio signal receiver
12/15/2005DE102004025300A1 Vorrichtung und Verfahren zur Rauschunterdrückung Apparatus and method for noise reduction
12/15/2005DE102004024805A1 Verfahren und Regelanordnung zur Regelung der Ausgangsleistung einer HF-Verstärkeranordnung Process and control device for controlling the output power of an RF amplifier arrangement
12/14/2005EP1605587A1 A receiver comprised in a radio communication system
12/14/2005EP1604472A2 Enhanced automatic gain control mechanism for timeslotted data transmissions
12/14/2005EP1604457A1 Automatic gain control with two power detectors
12/14/2005EP1604456A2 Closed loop power control of non-constant envelope waveforms using sample/hold
12/14/2005CN1708898A Integrated RF signal level detector usable for automatic power level control
12/14/2005CN1707960A Radio communication receiver
12/14/2005CN1707958A Transmitting apparatus
12/14/2005CN1232064C Slicer circuit and CDMA (code division multiple access) communication apparatus
12/13/2005US6975845 Direct conversion receiver architecture