Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
11/2010
11/03/2010CN101877572A Device and method for high-speed automatic gain control
11/03/2010CN101262573B Receiving apparatus, method of controlling the apparatus
11/03/2010CN101083454B Controller for a radio-frequency amplifier
11/02/2010US7826628 Addressable amplified speaker assembly and method for addressing the same
11/02/2010US7826627 Wagering game with user volume control
11/02/2010US7825730 Bias circuit for the wireless transceiver
10/2010
10/28/2010WO2010124035A1 Pa gain state switching based on waveform linearity
10/28/2010WO2010122611A1 High-frequency power detection circuit and wireless communication device
10/28/2010US20100272290 Loudness consistency at program boundaries
10/28/2010US20100271122 Variable-gain amplifier circuit and wireless communication device integrated circuit equipped therewith
10/28/2010US20100271086 Dual-band coupled vco
10/27/2010EP2243216A2 Amplifier with dynamic bias
10/27/2010CN1741375B Amplified circuit capable of dynamic regulating supply voltage
10/26/2010US7822498 Using a loudness-level-reference segment of audio to normalize relative audio levels among different audio files when combining content of the audio files
10/26/2010US7822349 Digital iterative gain control
10/26/2010US7822212 Method and system for amplifying auditory sounds
10/26/2010US7821341 Gain control device and amplifier using the same
10/26/2010US7821336 Amplifier device
10/21/2010US20100267351 Receiver and gain control method
10/21/2010US20100266142 Prevention of audio signal clipping
10/21/2010US20100266066 Power amplifier and radio wave transmitter having the same
10/21/2010US20100265086 Verbal warning systems and other audible warning systems for use with various types of devices, containers, products and other things
10/21/2010US20100264990 Amplifying circuit, ac signal amplifying circuit and input bias adjusting method
10/21/2010US20100264989 Variable Gain Amplifier
10/21/2010DE102009018847A1 Backlash free, electro-mechanical volume control for speakers in pilot monitoring electro-acoustic alarm systems, is provided with multiple inductance capacitance-resonant circuit pass filters
10/20/2010EP1751857B1 Gain control for a receiver in a multi-carrier communication system
10/20/2010CN201611572U 一种带有自动增益功能的录音笔 Voice recorder with an automatic gain function of
10/20/2010CN101867351A Automatic gain control device and method
10/20/2010CN101867350A Zero-intermediate-frequency/low-intermediate-frequency configurable variable gain amplifier
10/19/2010US7816991 Signal splitter
10/19/2010US7816990 Variable gain amplification circuit
10/14/2010WO2010116326A2 Sensitivity adapting transducer
10/14/2010US20100262419 Method of controlling communications between at least two users of a communication system
10/14/2010US20100260355 Sound Processing Apparatus, Sound Processing Method, Information Recording Medium, and Program
10/14/2010US20100259411 Method and system for operation of a movable barrier operator and an audio amplifier
10/14/2010US20100259330 Agc circuit
10/14/2010US20100259327 Automatic Gain Control Method and Apparatus
10/14/2010DE10050740B4 Verstärker Amplifier
10/14/2010DE10034864B4 Verstärkerschaltung mit einer Schalterumgehung Amplifier circuit having a bypass switch
10/13/2010EP2239844A2 Automatic gain control method and apparatus
10/13/2010EP2239843A1 Sensitivity adapting transducer
10/13/2010CN201608692U 节能功率放大装置 Saving power amplifying means
10/13/2010CN201602197U 音乐头盔 Music helmet
10/13/2010CN1917364B Limiter of segmented gains, and control method
10/13/2010CN1741376B AGC circuit
10/13/2010CN101861698A Optical burst signal receiver
10/13/2010CN101860335A Double-input operational amplifier shared margin gain amplifying circuit
10/13/2010CN101860327A Cascode amplifier and method for controlling current of the same
10/13/2010CN101859119A Display instrument with controllable amplifier gain
10/13/2010CN101110217B Automatic gain control method for audio signal and apparatus thereof
10/12/2010US7813520 Hearing device and method for supplying audio signals to a user wearing such hearing device
10/12/2010US7812673 Amplifier having input/output cells with discrete gain steps
10/07/2010WO2010114939A1 Power supply control system and method with variable post-regulation
10/07/2010WO2010112414A1 Automatic gain control in multi-carrier wireless systems
10/07/2010US20100254546 Signal processing device, signal processing method, and computer program
10/07/2010US20100253424 Amplifying device and its control method
10/07/2010US20100252719 Optical Encoder with Code Wheel Misalignment Detection and Automatic Gain Control
10/06/2010EP2237415A2 Broadcasting signal receiving apparatus and control method thereof
10/06/2010EP2237414A2 Amplifier circuit of capacitor microphone
10/06/2010EP2235899A1 A method and device for automatic gain control
10/06/2010CN201601658U 自动电平控制电路 Automatic level control circuit
10/06/2010CN1988374B Inductance control system and method for control sound volume
10/06/2010CN1848671B Variable-gain differential amplifier
10/06/2010CN1801607B Audio output device, radio communication apparatus and its method for dynamically adjusting volume
10/06/2010CN1636315B Method for current modulator and theory sensing amplifier AM to modulate impedance
10/06/2010CN101855638A Signal processing for light beam sensing
10/05/2010US7809341 Radio wave reception device, radio wave clock, and repeater
10/05/2010US7809285 Receiving circuit and optical signal receiving circuit
10/05/2010US7808314 Circuit for adjusting an impedance
10/05/2010US7808313 Power supply providing ultrafast modulation of output voltage
10/05/2010US7808312 Broadband RF linear amplifier
09/2010
09/30/2010WO2010109013A1 Apparatus and method of reducing noise for frequency modulated signals
09/30/2010US20100250258 Method for Correcting Metadata Affecting the Playback Loudness of Audio Information
09/30/2010US20100248670 Direct conversion rf transceiver for wireless communication
09/30/2010US20100246855 Dynamic audio parameter adjustment using touch sensing
09/30/2010US20100246849 Signal processing apparatus
09/30/2010US20100246843 Device for entertainment during driving of a car
09/30/2010US20100246842 Information processing apparatus, melody line extraction method, bass line extraction method, and program
09/30/2010US20100244966 Amplifier circuit
09/29/2010EP2232700A1 System for adjusting perceived loudness of audio signals
09/29/2010EP1597824B1 A method and a device for adjusting power amplifier properties
09/29/2010CN1898861B Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal
09/29/2010CN1757194B Method and apparatus for automatic gain control of a multi-carrier signal in a communication receiver
09/29/2010CN1586091B Discrete surround audio system for home and automotive listening
09/29/2010CN101847973A Automatic gain control circuit for receiving end of power-line carrier communication system
09/29/2010CN101847966A Bipolar zero position and gain adjustable amplifier and analog signal conditioner
09/29/2010CN101394154B Automatic gain dual channel audio pre-amplifier
09/29/2010CN101102120B Wireless communication apparatus
09/29/2010CN101060315B Sound volume management system and method
09/28/2010US7805293 Band correcting apparatus
09/28/2010US7804974 Hearing aid and a method of processing signals
09/28/2010US7804963 Method and device for comparing signals to control transducers and transducer control system
09/28/2010US7804356 Amplifier with automatic gain profile control and calibration
09/23/2010WO2010107729A1 Systems and methods for optimizing an audio communication system
09/23/2010US20100241959 Enhanced 3D Sound
09/23/2010US20100237949 Method and system for enhancing efficiency by modulating power amplifier gain
09/23/2010US20100237948 System and method for dynamic drain voltage adjustment to control linearity, output power, and efficiency in rf power amplifiers
09/23/2010US20100237947 Amplifier supporting multiple gain modes
09/23/2010US20100237946 Low Noise Amplifier Circuit with Noise Cancellation and Increased Gain
09/22/2010EP2230769A2 systems and methods for receiving and processing multiple carrier communications and navigation signals
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