Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
09/2010
09/22/2010EP2230763A1 Compensation for the modulation level dependence of a noise limiter for digital high frequency receivers
09/22/2010EP2230664A1 Method and apparatus for attenuating noise in an input signal
09/22/2010EP2229727A1 Automatic gain control with state machine controller feedback
09/22/2010EP1709731B1 Electronic circuit
09/22/2010CN101842980A Local oscillator buffer and mixer having adjustable size
09/22/2010CN101842979A Programmable gain circuit
09/22/2010CN101841675A Automatic gain compensation system based on analog video wave head detection
09/22/2010CN101841311A Digital voltage gain control device
09/22/2010CN101841310A Method and system for automatically regulating volume of power amplifier
09/22/2010CN101119106B Output volume automatic regulation method of media player
09/21/2010US7801630 Method and apparatus for controlling recording levels
09/21/2010US7800440 Variable automatic limit control (ALC) threshold for any desired compression curve
09/16/2010WO2010085818A3 Automatic gain control in a wireless communication network
09/16/2010US20100232625 Detecting and processing button press events for performing electronic device operations
09/16/2010US20100232614 Quantum mechanical tunneling audio distortion device
09/16/2010US20100230179 Digital audio data reproducing apparatus
09/16/2010DE102006044006B4 Vorrichtung zum Wandeln eines asymmetrischen Singals in ein Differenzsignal Apparatus for converting an asymmetric singals in a differential signal
09/15/2010EP2228910A2 Method for differentiation between noise and useful signals
09/15/2010CN1756073B Amplifier circuit and input circuit
09/15/2010CN101835071A Sound noise control circuit
09/15/2010CN101834577A Method and device for multinuclear automatic gain control
09/14/2010US7797065 Automute detection in digital audio amplifiers
09/14/2010US7796134 Multi-plane horizontal perspective display
09/14/2010US7795979 Automatic gain control circuit and low noise amplifying circuit
09/14/2010US7795978 Programmable gain circuit and amplification circuit
09/14/2010US7795972 Automatic gain control apparatus and technique
09/14/2010US7795969 Digital amplifier
09/14/2010US7795967 AGC circuit
09/14/2010CA2490845C Real-ear zoom hearing device
09/10/2010WO2010101880A1 Playback device for generating sound events
09/10/2010WO2010101438A2 Audio output unit and audio signal output system for same
09/09/2010US20100226511 Apparatus and method for controlling volume in portable terminal
09/09/2010US20100226510 Signal characteristic adjustment apparatus and signal characteristic adjustment method
09/09/2010US20100226509 Portable electronic device
09/08/2010CN201577184U Car horn volume control device based on AVR singlechip
09/08/2010CN101828128A Distance measuring instrument and method
09/08/2010CN101826849A Digital high speed automatic gain preconditioning device
09/08/2010CN101826848A Automatic gain control system in orthogonal frequency division multiplexing receiver and method
09/07/2010US7792435 Control device with a switchable bandwidth
09/07/2010US7792311 Method and apparatus for automatically enabling subwoofer channel audio based on detection of subwoofer device
09/07/2010US7791412 Gain control methods and systems in an amplifier assembly
09/02/2010WO2010099237A2 Speaker distortion reduction system and method
09/02/2010US20100222640 Digital sound relaxation and sleep-inducing system and method
09/02/2010US20100220866 Thin speaker with improved bass/deep bass sound effect
09/02/2010US20100219888 Amplifier circuit
09/01/2010EP2224609A1 Improving the efficiency of power amplifiers in devices using transmit beamforming
09/01/2010EP2156551B1 Configurable, variable gain lna for multi-band rf receiver
09/01/2010CN201571026U High-gain amplifier circuit
09/01/2010CN201571025U Optical AGC control circuit used for optical receiver
09/01/2010CN1879150B System and method for audio signal processing
09/01/2010CN1765063B Power saving in a transmitter
09/01/2010CN101820259A Method and device for adjusting signal amplitude
09/01/2010CN101820258A High-precision variable grain amplifier
09/01/2010CN101819771A Method and apparatus for calculating and adjusting the perceived loudness of an audio signal
09/01/2010CN101373958B Automatic gain control circuit and receiver using the same
08/2010
08/31/2010US7787641 Sound reproducing system for use with multiple rooms
08/31/2010US7787634 Musical distortion circuits
08/31/2010US7787633 Crossfade sample playback engine with digital signal processing for vehicle engine sound simulator
08/31/2010US7786805 Power amplifier module and a time division multiple access radio
08/26/2010US20100216418 Amplifier assembly, receiver comprising said assembly and method for operating a programmable amplifier
08/26/2010US20100215200 System and Method for Automatically Adjusting Hearing Aid Based on Acoustic Reflectance
08/25/2010EP2221966A1 Device for processing telecommunication signals for antennas
08/25/2010CN1929297B Audio frequency processing system and method
08/25/2010CN1750389B Control parameter setting method for control circuit in measurement control system and measuring instrument
08/25/2010CN101814902A Gain control circuit and method
08/25/2010CN101373957B Digital gain control method and circuit
08/25/2010CN101369805B Method for self-adjusting sound volume of sound source equipment in pervasive computation surroundings
08/24/2010USRE41582 S-band low-noise amplifier with self-adjusting bias for improved power consumption and dynamic range in a mobile environment
08/24/2010US7783062 Automatic audio distortion control method and apparatus
08/24/2010US7783059 Acoustic device
08/24/2010US7782977 Automatic gain control apparatus and method in orthogonal frequency division multiplexing
08/24/2010US7782139 Input stage
08/24/2010US7782138 Signaling system with low-power automatic gain control
08/24/2010US7782134 RF power amplifier system with impedance modulation
08/24/2010US7782133 Power amplifier with output power control
08/19/2010WO2010093917A2 Digital sound leveling device and method to reduce the risk of noise induced hearing loss
08/19/2010US20100208918 Volume correction device, volume correction method, volume correction program, and electronic equipment
08/19/2010US20100208917 Auditory sense correction device
08/19/2010US20100208916 Volume-Adjustment Circuit for Equilibrating Pickup Settings
08/19/2010US20100208574 Systems and Methods for Reduced Latency Loop Recovery
08/19/2010US20100207275 Hybrid integrated circuit device, and method for fabricating the same, and electronic device
08/19/2010DE102004001236B4 Leistungsverstärkeranordnung mit Antenne sowie deren Verwendung und Verfahren zum Verstärken und Abstrahlen eines Signals Power amplifier arrangement with antenna, as well as their use and methods for amplifying and emitting a signal
08/18/2010EP2218034A1 Signal processing for light beam sensing
08/18/2010CN201557084U Pulse amplification processor for laser receiver
08/18/2010CN1892525B Slide operation device
08/18/2010CN101808271A Method capable of adjusting sound volume of opposite end terminal microphone
08/18/2010CN101807947A Power control loop, radiofrequency amplifying circuit, and transmitter for radiofrequency signals having such circuit
08/18/2010CN101399523B Gain control method and system for playing audio signal
08/18/2010CN101335505B Gain control circuit of wireless receiver
08/17/2010US7778407 Statistical approach to automatic gain control for managing audio messages over a network
08/17/2010US7777566 Amplifier compression adjustment circuit
08/17/2010US7777565 Differential amplification circuit and manufacturing method thereof
08/12/2010WO2010090851A2 Adjusting dynamic range for audio reproduction
08/12/2010WO2010090694A1 Amplifier compression adjustment circuit
08/12/2010US20100202633 Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers
08/12/2010US20100202632 Loudness modification of multichannel audio signals
08/12/2010US20100202631 Adjusting Dynamic Range for Audio Reproduction
08/12/2010US20100202622 Automatic generation of audible alert according to ambient sound
08/12/2010US20100201448 Output circuit of radio-frequency transmitter
08/12/2010DE102010001158A1 Automatische Verstärkungssteuerung für Bewegungskodiersignale Automatic gain control for Bewegungskodiersignale
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