Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
11/2014
11/13/2014US20140334643 Digital microphone device with extended dynamic range
11/13/2014US20140334642 Method and apparatus for outputting audio signal, method for controlling volume
11/13/2014US20140334627 Automatic volume control for combined game and chat audio
11/13/2014US20140333382 Method and system for providing automatic gate bias and bias sequencing for field effect transistors
11/13/2014US20140333381 Apparatus and methods for buffer linearization
11/11/2014US8886148 Signal based gain control
11/11/2014US8886146 Infrared receiving unit
11/11/2014US8885852 Audio control system
11/11/2014US8885851 Portable device that performs an action in response to magnitude of force, method of operating the portable device, and computer program
11/11/2014US8884703 VRAMP limiting using resistors
11/11/2014US8884697 Amplifying device
11/11/2014US8884696 Control circuit and method for controlling an operation of a power amplifier
11/11/2014US8884695 Efficient supply voltage
11/11/2014US8884694 Systems and methods of RF power transmission, modulation, and amplification
11/11/2014US8884693 Amplifier and filter having variable gain and cutoff frequency controlled logarithmically according to digital code
11/11/2014US8884208 Light receiving circuit
11/06/2014US20140328500 Method and an apparatus for automatic volume leveling of audio signals
11/06/2014US20140328499 Methods and systems for controlling volume
11/04/2014US8880013 Gain control in a shared RF front-end path for different standards that use the same frequency band
11/04/2014US8879751 Gaming headset with programmable audio paths
11/04/2014US8879665 Controlling a power amplifier based on transmitter output emissions
11/04/2014US8878619 Variable phase amplifier circuit and method of use
11/04/2014US8878610 Current canceling gain control for high frequency wideband cross-coupled amplifiers
11/04/2014US8878607 Integrated circuit, wireless communication unit and method for a differential interface for an envelope tracking signal
11/04/2014US8878606 Inductance based parallel amplifier phase compensation
10/2014
10/30/2014US20140323074 Power management for a battery-powered handheld audio device
10/30/2014US20140323050 System for monitoring and controlling the power of a radio frequency (rf) signal in a short-range rf transmitter
10/30/2014US20140321671 Method and apparatus for playing content
10/30/2014US20140321670 Devices, Methods and Computer Program Products for Controlling Loudness
10/30/2014US20140321668 Signal processing device
10/30/2014US20140321654 Apparatus and method for transmitting/receiving voice signal through headset
10/30/2014US20140320209 Time amplifier and method for controlling the same
10/30/2014US20140320207 Low noise variable gain amplifier utilizing variable feedback techniques with constant input/output impedance
10/28/2014US8874163 Method and apparatus for managing sound volume of wireless connection device in mobile communication terminal
10/28/2014US8874053 Low variation current multiplier
10/28/2014US8874051 Systems and methods for power control in a multiple standard mobile transmitter
10/28/2014US8874030 Oscillation detection and oscillation mitigation in amplifiers
10/28/2014US8874029 Verifying oscillation in amplifiers and the mitigation thereof
10/28/2014US8873781 Method for operating a hearing device having reduced comb filter perception and hearing device having reduced comb filter perception
10/28/2014US8873772 Process for adjusting the sound volume of a digital sound recording
10/28/2014US8873771 Automatic volume adjustment
10/28/2014US8873763 Perception enhancement for low-frequency sound components
10/28/2014US8873761 Audio signal processing device and audio signal processing method
10/28/2014US8873676 Transmitter gain control and calibration
10/28/2014US8873675 Method and apparatus for optimizing transmitter power efficiency
10/28/2014US8872590 Low-noise signal amplifying circuit and method thereof
10/28/2014US8872589 System and method for a programmable gain amplifier
10/28/2014US8872585 Amplifier for receiving optical signals complementary to each other
10/28/2014US8872582 Amplifier circuit
10/23/2014US20140312974 Apparatus and methods for envelope shaping in power amplifier systems
10/21/2014US8867761 Multi-tier power supply for audio amplifiers
10/21/2014US8867668 Coupling system for data receivers
10/21/2014US8866549 Method of power amplifier calibration
10/21/2014US8866548 High speed power supply system
10/14/2014US8862253 Gain control module and applications thereof
10/14/2014US8861756 Microphone array system
10/14/2014US8861659 Data receiving circuit and data receiving method
10/14/2014US8860590 Automatic gain control system for an analog to digital converter
10/14/2014US8860509 Clipping circuit, differential amplifying circuit, and amplifying circuit
10/14/2014US8860508 Digitally controlled wideband variable gain amplifier
10/09/2014WO2014165543A1 Companding apparatus and method to reduce quantization noise using advanced spectral extension
10/09/2014WO2014162184A1 Car audio apparatus and control method for the same
10/09/2014WO2014161618A1 System for conditioning a signal of a magnetorestrictive measurement system
10/09/2014US20140302799 Method for connecting with external device and electronic device thereof
10/09/2014US20140301570 Voice Alarm Amplifier
10/09/2014US20140301508 Automatic gain control in a receiver
10/09/2014US20140300418 Auto gain adjusting device and method thereof
10/08/2014EP2787746A1 Apparatus and method for improving the audibility of specific sounds to a user
10/07/2014US8856857 Receiving device, receiving method, and program
10/07/2014US8855587 Power consumption management based on receiver parameter and method for use therewith
10/07/2014US8855343 Method and device to maintain audio content level reproduction
10/07/2014US8855335 Distortion suppression in high-level capable audio amplification circuit
10/07/2014US8855333 Ultrasonic speaker system
10/07/2014US8855332 Sound enhancement apparatus and method
10/07/2014US8855325 Method for synthesizing an engine noise and device for carrying out the method
10/07/2014US8855322 Loudness maximization with constrained loudspeaker excursion
10/07/2014US8855232 Transmission apparatus and transmission method
10/07/2014US8855097 Method using a blanking signal to reduce the leakage transmitter-receiver
10/07/2014US8854945 Enhanced adaptive gain control in heterogeneous networks
10/07/2014US8854130 DC-coupled peak detector
10/07/2014US8854129 Timing alignment for modulated supply
10/07/2014US8854128 Amplifying device and signal processing device
10/07/2014US8854127 DC-DC converter for envelope tracking
10/07/2014US8854125 Linear amplifier that perform level shift and method of level shifting
10/02/2014WO2014160542A2 Volume leveler controller and controlling method
10/02/2014US20140295781 Power amplifier and communication device
10/02/2014US20140295776 Compensating for non-linear capacitance effects in a power amplifier
10/02/2014US20140294203 Audio system including multiband audio dynamics processor
10/02/2014US20140294202 Method and device for communications and for broadcasting sounds
10/02/2014US20140294200 Metadata for loudness and dynamic range control
10/02/2014DE102013205295A1 Vorrichtung zur Umfeldsensorik und Verfahren zur Anpassung eines Dynamikbereiches eines Empfangsverstärkers Apparatus for environment sensor and method for adjusting a dynamic range of a receiver amplifier
10/02/2014DE102013102432A1 Verfahren zum Steuern einer Empfängerschaltung für unterhaltungselektronische Geräte A method for controlling a receiver circuit for personal entertainment devices
10/01/2014EP2783523A1 System and method for signal level detection
09/2014
09/30/2014US8849433 Audio dynamics processing using a reset
09/30/2014US8849230 Attenuator and method for attenuating
09/30/2014US8849224 AGC low threshold signal level detection
09/30/2014US8848932 Proximity sensing for user detection and automatic volume regulation with sensor interruption override
09/30/2014US8848930 Adaptive ring level
09/30/2014US8848928 Automatic measurement of audio presence and level by direct processing of an MPEG data stream
09/30/2014US8848829 Circuit and transmitter for reducing transmitter gain asymmetry variation
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