Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
07/2008
07/23/2008EP1366566B1 Gain linearizer for variable gain amplifiers
07/23/2008CN101228458A GPS receiver with improved immunity to collocated transmissions and method thereof
07/23/2008CN101227177A Power control method of uniform amplitude signal power amplifier
07/23/2008CN101227176A Gain control system and calibration method thereof
07/23/2008CN101227175A Analog type volume control circuit as well as control method
07/22/2008US7403626 Level adjustment apparatus
07/22/2008US7403625 Signal processing unit
07/17/2008WO2008086229A2 Symbol scaling with automatic gain control for wireless communication
07/17/2008WO2008085330A1 Hybrid digital/analog loudness-compensating volume control
07/17/2008WO2008084851A1 Transmission device and transmission power control method
07/17/2008WO2008051347A3 Audio dynamics processing using a reset
07/17/2008US20080171574 Cell phone based animal sound imitation
07/17/2008US20080171523 Power Amplifier Bias Control
07/17/2008US20080170725 Sound outputting apparatus, sound outputting method, sound outputting system and sound output processing program
07/17/2008US20080170724 Vocal monitor
07/17/2008DE102007051003A1 Verfahren und Vorrichtung zur Steuerung der Ausgangsleistung in Leistungsverstärkern Method and apparatus for controlling output power in power amplifiers
07/16/2008EP1944872A1 Am receiving apparatus and am receiving method
07/16/2008EP1944871A1 Reception amplitude correction circuit, reception amplitude correction method, and receiver using the same
07/16/2008EP1523804A4 Variable gain amplifier with autobiasing supply regulation
07/16/2008EP1108285B1 Control of power ratios for in-phase and quadrature channels in a communications system
07/16/2008CN101223690A Dynamic bias for receiver controlled by radio link quality
07/16/2008CN101223689A Variable gain amplifier and AC power supply device using the same
07/16/2008CN101222211A Peak-hold circuit and signal strength indicator using the peak-hold circuit
07/16/2008CN101222210A Apparatus and method for self-adapting sound volume regulation of mobile phone
07/16/2008CN100403649C Method for controlling power amplifier transistor working point
07/15/2008US7400870 Hardware loop for automatic gain control
07/15/2008US7400734 Method and apparatus for emulating audio effect
07/15/2008US7400691 Power control on a packet-by-packet basis in a CMOS transceiver
07/15/2008US7400197 Gain control circuit capable of reducing change in gain due to variation of ambient temperature
07/15/2008US7400192 Low noise amplifier and differential amplifier with variable gain mode
07/10/2008WO2008081403A1 A method for reducing noise
07/10/2008WO2008024901A3 Process and temperature-independent voltage controlled attenuator and method
07/10/2008WO2007089994B1 Supply voltage control for a power amplifier
07/10/2008US20080167868 Systems and methods for intelligent control of microphones for speech recognition applications
07/10/2008US20080165987 Constant balance volume control
07/10/2008US20080165985 Multiple output audio system
07/10/2008US20080165904 Symbol scaling with automatic gain control for wireless communication
07/10/2008US20080165286 Controller and User Interface for Dialogue Enhancement Techniques
07/09/2008EP1942585A1 CDMA wireless transmission apparatus, CDMA wireless transmitter-receiver system and transmission power control method of the CDMA wireless transmission apparatus
07/09/2008EP1941622A2 Systems and method for a highly integrated, multi-mode tuner
07/09/2008EP1941612A2 Dual mode power amplifier
07/09/2008EP1941611A1 Audio dosage control
07/09/2008EP1405409B1 Current controlled power amplifier
07/09/2008CN101217828A A noise suppression device and method
07/09/2008CN101217264A An amplifier gain control circuit of wireless transceiver
07/08/2008US7398207 Methods and systems for determining audio loudness levels in programming
07/08/2008US7398064 Transmitting apparatus
07/08/2008US7397872 Automatic gain control circuit and method thereof and demodulation apparatus using the same
07/08/2008US7397868 Direct conversion RF transceiver for wireless communications
07/08/2008US7397304 Auto gain control circuit
07/08/2008US7397303 Vacuum tube circuit
07/08/2008US7397302 Variable gain amplifier
07/03/2008WO2008078232A1 A system for processing audio data
07/03/2008US20080159565 System and method for outputting audio data
07/03/2008US20080157983 Remotely Operable Game Call or Monitoring Apparatus
07/03/2008US20080157874 Dynamic bandwidth compensating method and associated apparatus
07/03/2008DE102006050124B3 Regelschaltung Control circuit
07/02/2008EP1940053A1 Gain control method and apparatus
07/02/2008EP1938461A2 Variable gain frequency multiplier
07/02/2008EP1938452A1 Method and device for controlling two peak power levels for a amplifier in pulsed mode
07/02/2008EP1766775A4 An rf power amplifier system having a plurality of different power control modes
07/02/2008EP1632029A4 Method and system for continuously compensating for phase variations introduced into a communication signal by automatic gain control adjustments
07/02/2008EP1499949A4 Apparatus and method for adapting audio signal
07/02/2008EP1488512B1 Gain control for communications device
07/02/2008CN201078962Y Outdoor audio frequency trapping male mosquito electronic mosquito killer
07/02/2008CN101213742A Receiver having digital automatic gain control
07/02/2008CN101213741A Linear power efficient radio frequency (RF) driver system and method with power level control
07/02/2008CN101212208A Automatic audio output level regulation method
07/02/2008CN101212207A Audio volume controller and method for digital equipment
07/02/2008CN101212204A Power supply device for audio system and the audio system
07/02/2008CN100399862C Inputting device, reproducing device and sound volume regulating method
07/02/2008CN100399775C Automatic gain control and wireless communication device
07/02/2008CN100398802C Signal processor
07/01/2008US7395038 High-efficiency modulating RF amplifier
07/01/2008US7394906 Device for automatically controlling audio volume based on vehicle speed and method for operating the same
07/01/2008US7394905 Voice amplifier for mask
07/01/2008US7394904 Method and device for control of a unit for reproduction of an acoustic field
07/01/2008US7394744 Reproduction apparatus and information recording medium testing apparatus
07/01/2008US7394318 Amplifier control system
07/01/2008US7394317 Amplifying circuit having bias voltage setting mechanism
07/01/2008US7394233 High efficiency modulated power supply
06/2008
06/26/2008WO2008076517A1 Dynamically learning a user's response via user-preferred audio settings in response to different noise environments
06/26/2008WO2008075430A1 Optical receiver
06/26/2008WO2008074946A1 Device for determining the output power of a radiofrequency power amplifier by the contactless detection of its power supply current
06/26/2008WO2008005347A3 Auto-gain switching module for acoustic touch systems
06/26/2008US20080153439 Apparatus and method to adjust and filter current DAC signals
06/26/2008US20080153438 Transmission Device, Transmission Power Control Method, and Radio Communication Device
06/26/2008US20080152170 System and method for split automatic gain control
06/26/2008US20080152169 Audio output apparatus, audio output method, audio output system, and program for audio output processing
06/26/2008US20080150771 Gain-Variable Analog/Digital Converter, Gain Adjustment Method For Gain-Variable Analog/Digital Converter, And System Including Gain-Variable Analog/Digital Converter
06/26/2008US20080150637 Electronics parts for high frequency power amplifier
06/26/2008US20080150632 Gigabit ethernet transceiver with analog front end
06/26/2008DE102006057986A1 Verstärkereinrichtung Amplifier device
06/26/2008DE102004016184B4 Verfahren zur Vermeidung von Hörschäden und Gehörschutzeinrichtung A method for avoiding hearing loss and hearing protection device
06/25/2008EP1936960A2 Signal processing system
06/25/2008EP1935092A1 Receiving circuit for an information engineering receiving device
06/25/2008EP1934592A2 Digital time variable gain circuit for non-destructive test instrument
06/25/2008CN101208860A Signal level adjuster with incremental gain adjustments, for RF communication equipment.
06/25/2008CN101208742A Adapted audio response
06/25/2008CN101207651A Method of sounding volume regulation and silencing
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