Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
01/2014
01/07/2014US8626099 Direct conversion receiver architecture
01/07/2014US8626092 Low variation current multiplier
01/07/2014US8625813 Asymmetric polynomial psychoacoustic bass enhancement
01/07/2014US8624675 Method and system for providing automatic gate bias and bias sequencing for field effect transistors
01/07/2014US8624192 System for controlling photomultiplier gain drift and associated method
01/02/2014US20140006026 Contextual audio ducking with situation aware devices
01/02/2014US20140003630 Audio processor and computer program product
01/02/2014US20140003629 Modification of audio responsive to proximity detection
01/02/2014US20140003623 Smart Audio Settings
01/02/2014US20140003621 Grounding switch method and apparatus
01/02/2014US20140002194 Variable Gain Amplifier for Low Voltage Applications
01/01/2014CN103493366A Analog multiplier circuit, variable gain amplifier, detector circuit, and physical quantity sensor
01/01/2014CN103490740A Automatic gain control device and method thereof
01/01/2014CN103490739A Gain amplifying circuit with variable exponents
01/01/2014CN103490738A Gain adjustable amplifier
01/01/2014CN103490737A Novel variable-exponent gain amplification circuit
12/2013
12/31/2013US8620661 System for controlling digital effects in live performances with vocal improvisation
12/31/2013US8620236 Techniques for improved adaptive impedance matching
12/31/2013US8620007 Headset capable of being used as external speaker and method of adjusting an output thereof
12/31/2013US8620001 System for simulated multi-gear vehicle sound generation
12/31/2013US8620000 Apparatus and method for controlling audio output, and mobile terminal system using the same
12/31/2013US8618879 Semiconductor device
12/31/2013US8618403 Tone control apparatus
12/26/2013US20130344833 Envelope power supply calibration of a multi-mode radio frequency power amplifier
12/26/2013US20130343574 Enhanced Audio Component In Streamed Media
12/26/2013US20130342669 Method for auto-adjusting audio output volume and electronic apparatus using the same
12/26/2013US20130342276 Automatic gain control device
12/25/2013EP2677663A1 Noise level barrier with high immunity to pulsed interference
12/25/2013CN203368453U Automatic gain control device, radio frequency receiver chip and radio frequency receiver
12/25/2013CN203368407U Pre-amplification circuit capable of realizing automatic gain adjustment for voltage output-type sensor
12/25/2013CN103477558A 半导体集成电路装置及高频功率放大器模块 Semiconductor integrated circuit device and a high-frequency power amplifier module
12/25/2013CN103475327A Broadband large dynamic range AGC intermediate frequency amplifier
12/25/2013CN103474013A Display device, imaging device and gray level voltage generation circuit
12/25/2013CN102497169B Gain self-correction circuit and optical fiber transimpedance amplifier with same
12/25/2013CN101803186B Local oscillator buffer and mixer having adjustable size
12/24/2013US8615212 Direct conversion receiver architecture
12/24/2013US8615095 Automatic volume control for audio signals
12/24/2013US8615094 Automatic level control circuit
12/24/2013US8615090 Method and apparatus of generating sound field effect in frequency domain
12/19/2013WO2013186826A1 Digital broadcast transmission device and exciter
12/19/2013WO2013155482A3 Apparatus and methods for adjusting adaptive control loop behavior based on measured artifacts
12/19/2013US20130336494 AGC Circuit for an Echo Cancelling Circuit
12/19/2013US20130335146 Gain control circuit, communication device, electronic appliance, and gain control method
12/19/2013US20130335142 Method and apparatus for decreasing power consumption of power amplifier
12/19/2013DE102012210249A1 Verstärkeranordnung Amplifier arrangement
12/18/2013EP1473832B1 Radio communication terminal and radio signal receiving method
12/18/2013CN203352545U 增益控制系统 Gain control system
12/18/2013CN103457562A Signal processing apparatus and method and communication apparatus
12/18/2013CN103457561A Multichannel input microwave gain control module
12/18/2013CN103457560A Optical automatic gain control circuit
12/18/2013CN103457559A Method and system for adjusting audio frequency
12/18/2013CN103457558A Variable gain low current picking and amplifying circuit
12/18/2013CN103457557A Power amplifier and control method thereof
12/18/2013CN103457556A Variable gain amplifier and control method thereof
12/18/2013CN103457542A Signal gain circuit and signal gain method
12/17/2013US8611559 Dynamic adjustment of master and individual volume controls
12/17/2013US8611558 System and method for dynamic range extension using interleaved gains
12/17/2013US8611550 Apparatus for determining a converted spatial audio signal
12/17/2013US8611548 Noise analysis and extraction systems and methods
12/17/2013US8610498 Methods and apparatus for variable solid state-to-tube rectification in an amplifier
12/17/2013CA2581810C Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
12/12/2013WO2013183103A1 Frequency characteristic transformation device
12/12/2013WO2013183102A1 Signal processing device
12/12/2013US20130331049 Low Power Multi-Band, Multi-Mode Transmitter
12/12/2013US20130329913 Volume control assembly and electronic device using same
12/12/2013US20130329912 Systems and methods for adjusting automatic gain control
12/12/2013US20130329904 Device, headphones and audio player with environmental sound mixing function
12/12/2013US20130329900 Audio signal distortion using a secondary audio signal for enhanced control of psycho-acoustic and musical effects
12/12/2013US20130328624 Systems, and methods of rf power transmission, modulation, and amplification, including embodiments for output stage protection
12/11/2013EP2672625A2 Apparatus and method for adjusting volume in a terminal
12/11/2013CN203340025U 3G signal intelligent gain system based on 3G vehicle- borne product
12/11/2013CN103441742A 增益控制电路 The gain control circuit
12/11/2013CN102299752B Precalibration radio frequency power detector
12/11/2013CN102176662B Direct-current offset cancelling circuit applied to low-frequency variable gain amplifier
12/11/2013CN102142822B Track and hold circuit, and receiving device
12/11/2013CN102045619B Recording apparatus, recording method, audio signal correction circuit, and program
12/11/2013CN101911480B Automatic gain control circuit and method
12/10/2013US8604875 High speed power supply system
12/05/2013WO2013177875A1 Power amplifier and control method thereof
12/05/2013US20130324065 Method and Apparatus for Auto Gain Control in Radio Receiver
12/05/2013US20130322652 Method and apparatus for processing audio signal
12/05/2013US20130322649 Audio processing apparatus, audio processing method, and program
12/05/2013US20130321083 Power Supply Regulation for Programmable Gain Amplifier Used in a CMOS Image Sensor
12/05/2013US20130321077 Switchable vramp limiter
12/05/2013DE10361651B4 Verfahren zum Kalibrieren einer Verstärkeranordnung A method for calibrating an amplifier arrangement
12/04/2013EP2670051A2 Signal processing apparatus, system and method for automatic gain control using the same
12/04/2013EP2670050A2 Method and apparatus for processing audio signal
12/04/2013EP2670049A1 Mobile communications device including an RF transmitter providing impedance fluctuation dampening and related methods
12/04/2013CN103428832A Power-saving wireless receiver, communication ssytem, and power-saving method for wireless communication receiver
12/04/2013CN103427858A Automatic gain control device and method, radio frequency receiver chip and radio frequency receiving machine
12/04/2013CN102412798B Radio frequency modulation output circuit and gain compensation amplifier thereof
12/03/2013US8600078 Audio signal amplitude adjusting device and method
12/03/2013US8600077 Audio level control
12/03/2013US8600076 Multiband DRC system and method for controlling the same
12/03/2013US8600068 Systems and methods for inducing effects in a signal
12/03/2013US8599963 Method and apparatus for optimizing transmitter power efficiency
12/03/2013US8598952 Voltage variable type digital audio amplifying device for noise compensation and method thereof
12/03/2013CA2715742C Circuit, system and method for adjusting an audio signal
11/2013
11/30/2013CA2816788A1 Mobile communications device including an rf transmitter providing impedance fluctuation dampening and related methods
11/28/2013WO2013016354A3 Method to restrict the number of cycles in a continuous j-slot in a downhole tool
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