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)
11/2012
11/14/2012CN102780464A Single-gain buffer with increased slew rate
11/14/2012CN101147329B Transceiver with receive path overload protection and method
11/13/2012US8311657 Method and apparatus for efficiently accounting for the temporal nature of audio processing
11/13/2012US8311239 Method and apparatus for audio bass enhancement using stereo speakers
11/13/2012US8311230 Speaker systems and methods having amplitude and frequency response compensation
11/13/2012US8311229 Reduction of clicking sounds in audio data stream
11/13/2012US8310304 Power amplifier control system with gain calibration
11/08/2012WO2012151594A2 Power managent system for pseudo-envelope and average power tracking
11/08/2012WO2012150565A2 Receiver of radiofrequency signals
11/08/2012US20120282976 Cellphone managed Hearing Eyeglasses
11/08/2012US20120281860 All in one computer
11/08/2012US20120281855 Acoustic feedback suppression apparatus, microphone apparatus, amplifier apparatus, sound amplification system, and acoustic feedback suppression method
11/08/2012US20120281849 Information processor and controller device
11/08/2012US20120280748 Multi-port amplification device that self-compensates in the presence of traffic
11/08/2012DE112010001337T5 Vorrichtung und Verfahren zur Störungsreduzierung für frequenzmodulierte Signale Apparatus and method for reducing interference for frequency-modulated signals
11/08/2012DE102011100742A1 Signalverarbeitungsanordnung und Signalverarbeitungsverfahren, insbesondere für elektronische Schaltkreise Signal processing apparatus and signal processing method, particularly for electronic circuits
11/08/2012DE102011075314A1 Amplifier, has damping unit attenuating input signal of amplifier, and control circuit generating control signal of attenuator based on comparison result and limiting control signal with maximum control signal
11/08/2012CA2833980A1 Receiver of radio frequency signals
11/07/2012EP2520020A1 Method and apparatus relating to signal control
11/07/2012CN102769463A Cesium atomic frequency standard cesium-beam tube micro-current signal amplifier
11/07/2012CN101496295B 发送机 Transmitter
11/06/2012US8306241 Method and apparatus for automatic volume control in an audio player of a mobile communication terminal
11/06/2012US8306238 Method and circuit for controlling an output of an audio signal of a battery-powered device
11/06/2012US8306235 Method and apparatus for using a sound sensor to adjust the audio output for a device
11/01/2012WO2012147784A1 Analog multiplier circuit, variable gain amplifier, detector circuit, and physical quantity sensor
11/01/2012WO2012147138A1 Receiver
11/01/2012WO2012146474A1 Vehicle infotainment volume control under emergency triggers
11/01/2012US20120276863 Automatic gain control in a wireless communication network
11/01/2012US20120275625 Signal processing device, method thereof, program, and data recording medium
11/01/2012US20120275624 Energy-saving audio-amplifier control device
11/01/2012US20120275617 Ornamental device
11/01/2012US20120275613 System for modifying an acoustic space with audio source content
11/01/2012US20120275612 Method for synthesizing an engine noise and device for carrying out the method
11/01/2012US20120275611 Movement Control Device and Method of Use Thereof
11/01/2012US20120274403 Amplifier with integrated filter
11/01/2012US20120274400 Low power discrete-time electronic circuit
11/01/2012US20120274398 RF AGC Control
10/2012
10/31/2012DE10339055B4 Regelkreis mit einer Verstärkeranordnung Control loop with an amplifier arrangement
10/31/2012CN202513885U Device of controlling hand-held terminal volume output automatically
10/31/2012CN1820413B Circuit for varying gain of preamplifier
10/31/2012CN101310439B Equalizer interface for electronic apparatus
10/30/2012USRE43776 Layout technique for matched resistors on an integrated circuit substrate
10/30/2012US8302134 Systems and methods for television antenna operation
10/30/2012US8300867 Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor
10/30/2012US8300866 Audio/video device having a volume control function for an external audio reproduction unit by using volume control buttons of a remote controller and volume control method therefor
10/30/2012US8300849 Perceptually weighted digital audio level compression
10/30/2012US8300848 System and method for adjusting an audio signal
10/30/2012US8300843 Sound effect circuit and processing method
10/30/2012US8300841 Techniques for presenting sound effects on a portable media player
10/30/2012US8299870 Programmable gain attenuator with a wide attenuation range and a fine attenuation step size
10/25/2012US20120270516 Receiver for estimating and compensating for in-phase/quadrature mismatch
10/25/2012US20120270511 Closed Loop Power Control for a Wireless Transmitter
10/25/2012US20120269363 Temperature compensated microphone
10/25/2012US20120269357 Audio signal processing system for live music performance
10/25/2012US20120269142 Doppler adaptation using pilot patterns within single user, multiple user, multiple access, and/or MIMO wireless communications
10/25/2012US20120268203 Power Management System for Dual Travelling Wave Tube Amplifier
10/24/2012EP2514092A1 Glitch mitigation in a radio receiver
10/24/2012EP1569350B1 Power limit device and digital radio transmitter using the same
10/24/2012CN202503481U Broadband amplifier circuit device
10/24/2012CN202503480U Low distortion gain-controlled circuit
10/24/2012CN102754338A Logarithmic mean-square power detector with servo control loop
10/24/2012CN102751988A Analog-digital converter and signal processing system
10/24/2012CN102751959A Audio-digital power amplifying system
10/24/2012CN102751958A Method for adjusting compression ratio based on dual mode automatic gain control circuit
10/24/2012CN102751951A Resistance voltage division attenuator
10/23/2012US8295511 Audio system
10/23/2012US8295510 Power-saving amplifying device
10/23/2012US8295509 Information processing apparatus processing notification sound and audio-based contents, and information processing method thereof
10/23/2012US8295508 Processing an audio signal
10/23/2012US8294519 Power amplifying apparatus and power amplifying method
10/23/2012CA2417012C Dual speed squelch circuit and method
10/18/2012WO2012142181A1 Methods and apparatus for power amplifier calibration
10/18/2012US20120263321 Method and System for Audio Level Detection and Control
10/18/2012US20120263320 Gain Control Device for an Amplifier and Related Methods, and an Audio Processing Device
10/18/2012US20120263319 Audio control of multimedia objects
10/18/2012US20120263318 Smart line-in processing
10/18/2012US20120263311 Reverberator and method for reverberating an audio signal
10/18/2012US20120263310 Audio data generation method and apparatus
10/18/2012US20120262233 Mixed signal dynamic range compression
10/17/2012EP2510414A1 System and method for biasing active devices
10/17/2012CN202495915U Automatic gain control system
10/17/2012CN102740212A Hearing device with automatic clipping prevention and corresponding method
10/17/2012CN102739177A Self-test digital AGC (automatic gain control) method and circuit
10/16/2012US8290182 Method of using an apparatus to automatically control sudden changes in volume
10/16/2012US8290181 Automatic audio gain control for concurrent capture applications
10/16/2012US8290177 Sound zoom method, medium, and apparatus
10/16/2012US8290169 Time shifted harmonics generator
10/16/2012CA2638549C Transmitting rf signals employing both digital and analog components with a common amplifier
10/11/2012US20120257770 Method and apparatus to supply power voltage to a mobile device in a variable manner
10/11/2012US20120257761 Apparatus and method for auto adjustment of volume in a portable terminal
10/11/2012US20120257036 Directional sound capturing
10/10/2012EP2509220A1 Method and system for adjusting wlan radio receiver gain in a wireless device
10/10/2012EP2509219A1 Method and system for controlling signal transmission of a wireless communication device
10/10/2012EP2507909A1 Detection of radio signals in a receiver
10/10/2012CN202488408U Automatic gain amplification circuit of video frequency modulation signal
10/10/2012CN102723923A Automatic gain control method and device
10/10/2012CN102723922A Automatic amplitude control loop and control method thereof
10/10/2012CN102717748A Intelligent acousto-optic warning system device of automobile whistle
10/10/2012CN102717747A Working method for intelligent acoustic and optical warning system for automotive horn
10/09/2012US8284960 User adjustable volume control that accommodates hearing
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