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)
09/2012
09/12/2012CN102664599A Gain compensation method in band-cross measurement and device thereof
09/11/2012US8265302 Method and apparatus for providing volume control with DC supervision
09/11/2012US8265300 Method and apparatus for controlling volume
09/06/2012US20120224721 Multiband Audio Dynamics Processor
09/06/2012US20120224720 Sound volume control device, sound volume control method, and sound volume control program
09/06/2012US20120224717 Audio cable capable of increasing gain and filtering noise
09/05/2012CN202424634U Automatic gain control circuit with digital signal compensation function
09/05/2012CN202424633U Microwave amplifier voltage compensation system
09/05/2012CN202424629U Trunking communication power amplifier
09/05/2012CN102655396A 衰减器和衰减方法 Attenuator and attenuation methods
09/05/2012CN101577530B Multi-passage power control circuit and method thereof
09/05/2012CN101494753B Method and apparatus for adjusting sound volume
09/05/2012CN101345334B Printing antenna system of vehicle rear window glass
09/05/2012CN101156404B Demodulation and modulation method and device for IR receivers
09/04/2012US8259962 Audio system configured to fade audio outputs and method thereof
09/04/2012US8259961 Audio processing apparatus and program
09/04/2012US8259954 Enhancing comprehension of phone conversation while in a noisy environment
09/04/2012US8258872 Multi-tier power supply for audio amplifiers
09/04/2012US8258871 Amplifier
09/04/2012US8258870 System and method for digital control of amplifier gain with reduced zipper noise
08/2012
08/30/2012WO2012114656A1 Automatic gain control device
08/30/2012WO2010064791A3 Apparatus and method for controlling gain of polar transmitter
08/30/2012US20120218042 Method and apparatus for modifying the sensitivity of an electrical generator to a nonlinear load
08/30/2012US20120218039 Systems and methods for saturation correction in a power control loop
08/30/2012US20120218038 Automatic gain control device having frequency response unit included therein and related automatic gain control method thereof
08/30/2012US20120217381 Variable gain amplifier compensating frequency response thereof
08/29/2012CN202406089U Week signal amplifying circuit
08/29/2012CN1961478B Staggered agc with digitally controlled vga
08/29/2012CN102652392A Semiconductor integrated circuit and tuner system provided with same
08/29/2012CN102652295A System and method for biasing active devices
08/29/2012CN102651636A Peak counting method of automatic gain control loop
08/29/2012CN102195582B AGC (automatic gain control) method and device
08/28/2012US8255276 System and method for generating multimedia accompaniments to broadcast data
08/28/2012US8254597 Audio signal processing circuit
08/28/2012US8254596 Method and apparatus for mute control
08/28/2012US8253496 Linear RF power amplifier with frequency-selectable impedance matching
08/28/2012US8253492 Variable gain amplifier
08/28/2012US8253489 Amplifier, transmitter, and method for compensating gain
08/28/2012US8253487 Tracking power supply, method for controlling power supply, and communication apparatus
08/23/2012WO2012111457A1 Amplification circuit, and receiving device and communication device using same
08/23/2012US20120213387 Acoustic Horn Gain Managing
08/23/2012US20120212681 Sound control circuit for a digital audiovisual reproduction system
08/23/2012US20120212295 Power Amplifier Apparatus, and Receiving Apparatus of a User Equipment
08/23/2012DE102004016427B4 Automatisches Verstärkungssteuerungsverfahren und Vorrichtung in einem Kommunikationssystem mit diskontinuierlichem Übertragungsmodus Automatic gain control method and apparatus in a communication system with discontinuous transmission mode,
08/22/2012EP1959573B1 Reception sensitivity detection device and reception device
08/22/2012EP1264394B1 Digital-to-analog interface circuit having adjustable time response
08/22/2012CN102647195A Transmitter and power supply control module
08/22/2012CN102647164A Automatic gain control loop of medical equipment with ultra-low power consumption
08/22/2012CN102647163A Variable gain amplifier circuit
08/22/2012CN102647155A Variable gain amplifier
08/21/2012US8249277 Apparatus capable of switching volume adjustment mode automatically and volume adjustment method thereof
08/21/2012US8249264 Method and system for automatically generating world environment reverberation from a game geometry
08/21/2012US8249263 Method and apparatus for providing audio motion feedback in a simulated three-dimensional environment
08/21/2012US8248165 Amplifier and optical module performing gain control
08/21/2012US8247925 Power source stabilization circuit, electronic device and testing apparatus
08/16/2012WO2012108077A1 Variable gain amplifier and receiving device
08/16/2012WO2012107452A1 Amplifier for a wireless receiver
08/16/2012US20120209933 Peer-To-Peer Communications
08/16/2012US20120209601 Dynamic enhancement of audio (DAE) in headset systems
08/16/2012US20120207329 Audio device volume manager using measured volume perceived at a first audio device to control volume generation by a second audio device
08/16/2012US20120207318 Sound signal output apparatus, speaker apparatus, and sound signal output method
08/16/2012US20120207310 Multi-Way Analysis for Audio Processing
08/16/2012US20120206566 Methods and systems for relating to the capture of multimedia content of observed persons performing a task for evaluation
08/16/2012US20120206205 Variable gain amplifier
08/16/2012US20120206204 Variable gain amplifier circuit
08/16/2012US20120206202 Gain enhancement circuit and method
08/16/2012US20120206201 Semiconductor device
08/16/2012US20120206150 Adjustable gain amplifier, automated test equipment and method for adjusting a gain of an amplifier
08/15/2012EP2487929A2 Sound signal output apparatus, speaker apparatus, and sound signal output method
08/15/2012EP2487806A2 Apparatus and method for computing maximum power reducton for a UMTS signal
08/15/2012EP2486653A1 Gain control for an audio signal
08/15/2012EP2486652A1 Active bias control circuit for an amplifier and method of power up sequencing the same
08/15/2012EP2109778B1 Amplification circuit having an integrated test circuit
08/15/2012EP2022138B1 System and method for saturation detection, correction and recovery in a polar transmitter
08/15/2012CN202385057U 80W power amplifier for GSM1800 (Global System for Mobile Communications) repeater station system
08/15/2012CN1909366B Direct conversion receiver architecture
08/15/2012CN102638882A Method and device for realizing automatic gain control (AGC)
08/15/2012CN102638746A Analog front-end circuit with low power consumption for medical equipment
08/15/2012CN102638234A Signal intensity judging method and quick gain switching method
08/15/2012CN102638233A Automatic audio signal level adjustment circuit
08/14/2012US8243977 Media player system, media player, and earphone
08/14/2012US8243957 Audio control apparatus
08/14/2012US8243954 System and method for a device sound interface manager
08/14/2012US8242845 Radiofrequency signal power amplification method and device
08/09/2012WO2012106437A1 Fast envelope system calibration
08/09/2012US20120201400 Audio mixing console
08/09/2012US20120201394 Audio device volume manager using measured distance between first and second audio devices to control volume generation by the second audio device
08/09/2012US20120201393 System and method for adjusting audio input and output settings
08/09/2012US20120200518 Method and system for unified audio control on a personal computer
08/09/2012US20120200354 Apparatus and methods for envelope tracking calibration
08/08/2012EP2485481A2 Broadcast receiving device and broadcast receiving method
08/08/2012EP2485397A1 Filter device and control method therefor
08/08/2012EP2485395A1 Audio Mixing Console avoiding Signal Level Overload
08/08/2012EP2485394A1 System and method for adjusting audio input and output settings
08/08/2012EP2485393A1 Amplifier for a wireless receiver
08/08/2012EP2082243B1 Radio frequency handling device
08/08/2012CN202374227U Radio-frequency pre-amplification circuit with automatic middle-frequency gain control function
08/08/2012CN101488813B Test system for adjusting wireless communication device by impedance load characteristic
08/08/2012CN101263659B Reception amplitude correction circuit, reception amplitude correction method, and receiver using the same
08/07/2012US8238868 Dynamic voltage scaling for packet-based data communication systems
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