Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 3 - Gain control in amplifiers or frequency changers
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
12/2010
12/09/2010WO2010139241A1 Circuit and method for controlling multi-channel power
12/09/2010US20100311405 Mobile phone and method for controlling volume of mobile phone
12/09/2010US20100310095 Method for Providing a Mute Control Function for Multiple Microphones Connected to a Computer
12/09/2010US20100310094 Display device and driving method thereof
12/09/2010US20100310093 Headphone apparatus
12/09/2010US20100308918 Amplifier with Automatic Gain Profile Control and Calibration
12/09/2010US20100308917 De-Pop Controller and Method Thereof
12/09/2010US20100308909 Pa gain state switching based on waveform linearity
12/09/2010US20100308908 Efficiency controlling module of power amplifier and wireless communication device using the same
12/08/2010EP2259640A2 Wireless communication unit and power control system thereof
12/08/2010EP2259424A1 Automatic gain control with loop gain control
12/08/2010EP2259423A2 A mobile communication terminal apparatus, a variable gain amplifier circuit amplifier circuit and a gain control circuit
12/08/2010EP2258045A1 Rf transmitter and method of operation
12/08/2010EP1997101B1 Method and system for reducing effects of noise producing artifacts
12/08/2010CN201667639U Gain adjustable amplifying circuit and integrated circuit
12/08/2010CN1968243B Mean signal power detection method and system
12/08/2010CN1881788B Variable gain amplifier circuit and DC offset correction method and radio receiving device
12/08/2010CN1662100B Bass boost circuit and bass boost processing program
12/08/2010CN101911480A Automatic gain control with state machine controller feedback
12/08/2010CN101909105A Mobilephone volume adjustment method
12/08/2010CN101907983A 麦克风静音控制方法以及计算机 Microphone mute control method, and computer
12/08/2010CN101026363B Hearing protection system, method and sound output device
12/07/2010US7848531 Method and apparatus for audio loudness and dynamics matching
12/07/2010CA2507799C System and method for adjusting an audio signal
12/07/2010CA2395769C Digital automatic gain control with feedback induced noise suppression
12/02/2010WO2010138091A2 Electromechanical potentiometer
12/02/2010WO2010116326A3 Sensitivity adapting transducer
12/02/2010WO2010093917A8 Digital sound leveling device and method to reduce the risk of noise induced hearing loss
12/02/2010US20100303259 Electronic device and method for using the same
12/02/2010US20100303258 Portable media delivery system with a media server and highly portable media client devices
12/02/2010US20100303180 Gain control for a receiver in a multi-carrier communication system
12/02/2010US20100301935 Bias circuit, high-power amplifier, and portable information terminal
12/02/2010US20100301934 Rf power amplifier controller circuit with compensation for output impedance mismatch
12/01/2010EP2255437A1 Pin-diode linearized automatic gain control circuits
12/01/2010CN1678129B Howling frequency component emphasis method and apparatus
12/01/2010CN101904147A A method and device for automatic gain control
12/01/2010CN101904088A Amplifier with dynamic bias
12/01/2010CN101902526A Mobile terminal and volume control method and device thereof
12/01/2010CN101902206A Audio power amplifier with audio signal control switch
12/01/2010CN101272131B Amplifier circuit and method for amplifying signal
12/01/2010CN101253683B Receiver having a gain-controllable stage
12/01/2010CN101091309B Unnatural reverberation
11/2010
11/30/2010US7843267 Operational-based compensation of a power amplifier
11/30/2010US7843266 Amplifier for improving electrostatic discharge characteristic
11/30/2010US7843262 High efficiency power amplifier
11/30/2010US7843038 High linearity digital variable gain amplifier
11/25/2010US20100296669 Apparatus for processing an audio signal and method thereof
11/25/2010US20100296662 Sound signal processing device and method
11/25/2010US20100296659 Sound device and sound control device
11/25/2010US20100296658 Sound field control device
11/25/2010DE102010003606A1 Konstante Verstärkungssteuerung für Mehrstufenverstärker Constant gain control for multi-stage amplifier
11/25/2010DE102009022087A1 Breitbandverstärker Wideband amplifier
11/24/2010EP2254242A1 Broadband amplifier
11/24/2010EP2253064A1 Multi-mode power amplifiers
11/24/2010EP0977354B1 Amplifier for radio transmission
11/24/2010CN201650269U Automatically program controlled amplifier used for bottom hole wireless data transmission of coiled tubing operation
11/24/2010CN101895303A Receiver, transceiver, and mobile terminal device
11/24/2010CN101895267A Gain preset method of collecting double-channel analog-digital joint mode variable gain data
11/24/2010CN101895266A Mixed-signal automatic gain control system and control method thereof
11/23/2010US7840015 Thermal feedback for switch mode amplification
11/23/2010US7840012 Audio conditioning apparatus, method and computer program product
11/23/2010US7839213 Amplifier architecture for polar modulation
11/18/2010WO2010131470A1 Gain control apparatus and gain control method, and voice output apparatus
11/18/2010WO2010131144A1 A method and apparatus for providing information about the source of a sound via an audio device
11/18/2010WO2010101438A3 Audio output unit and audio signal output system for same
11/18/2010US20100290633 Method and apparatus for automatic noise compensation used with audio reproduction equipment
11/18/2010US20100289585 Amplifier, transmitter, and method for compensating gain
11/17/2010EP2251985A1 Amplifier circuit and receiving device using the same
11/17/2010EP2027649B1 System and method for providing a transmitter for polar modulation and power amplifier linearization
11/17/2010EP1771945B1 Method for correcting metadata affecting the playback loudness and dynamic range of audio information
11/17/2010CN201638312U Adjustable intelligent sound pressure warner device
11/17/2010CN101888210A Variable gain low-noise amplifier
11/17/2010CN101115324B Volume controlling technique
11/17/2010CN101010888B Method and apparatus for dual mode power control
11/16/2010US7835714 Radio wave reception device, radio wave clock
11/16/2010US7835535 Virtualizer with cross-talk cancellation and reverb
11/11/2010WO2010129808A1 Hybrid permanent/reversible dynamic range control system
11/11/2010WO2010129395A1 Adjusting the loudness of an audio signal with perceived spectral balance preservation
11/11/2010WO2010129065A2 Variable gain amplifier
11/11/2010WO2010090851A3 Adjusting dynamic range for audio reproduction
11/11/2010US20100284548 3-Point positioning device and method thereof
11/11/2010US20100284151 Sealed Power Supply and Platform for Military Radio
11/11/2010US20100283547 Signaling system with low-power automatic gain control
11/11/2010US20100283546 distributed low noise amplifier
11/11/2010US20100283543 Variable gain amplifier
11/11/2010US20100283542 Linear transimpedance amplifier with wide dynamic range for high rate applications
11/11/2010DE102006042083B4 Verfahren und Vorrichtung zur Bestimmung eines effektiven Vents Method and apparatus for determining an effective Vents
11/10/2010EP2248257A1 Improvements in or relating to radio receivers
11/10/2010CN1890876B Gain-variable voltage/current converting circuit having current compensating circuit
11/10/2010CN101882918A Automatic gain control method and device
11/10/2010CN101521934B Method for automatically calculating RAMP parameters of GSM power amplifier and device thereof
11/10/2010CN101341653B Improved control of switcher regulated power amplifier modules,transmitter and mobile communication device
11/10/2010CN101212204B Power supply device for audio system and the audio system
11/09/2010US7831054 Volume control
11/04/2010US20100277241 Multiple Input Variable Gain Amplifier
11/04/2010US20100277240 Self-calibrating gain control system
11/04/2010US20100277235 Gain Control Methods and Systems in an Amplifier Assembly
11/04/2010US20100277075 Long range proximity and/or motion detector with ambient light detection capabilities
11/03/2010CN1293498B Code division multiple access receiver autogain control circuit and code division multiple access demodulator
11/03/2010CN101877807A Loudspeaker and method for playing sound source
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