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)
04/2010
04/22/2010US20100098275 System and method for generating sound events
04/22/2010US20100098267 Method And Apparatus For Layered Audio
04/22/2010US20100097144 Method and system for polar modulating ofdm signals with discontinuous phase
04/22/2010US20100097143 Rf detector with crest factor measurement
04/22/2010DE102008049665A1 Stellen eines Ausgangspegels einer Verstärkervorrichtung Ask an output level of an amplifier device
04/22/2010DE102008037464A1 Electrical signals processing unit i.e. amplifier such as audio signal amplifier, for use in motor vehicle, has audio signal connection at which signals, where unit is brought into operating mode by input signal supplied via connection
04/22/2010CA2739862A1 Ir receiving unit
04/21/2010CN1993883B Amplifier circuit with automatic gain correction
04/21/2010CN1864325B Transmission device, transmission output control method, and radio communication device
04/21/2010CN1741374B 放大装置 Amplifying device
04/21/2010CN101697481A Automatic gain control for a wireless receiver
04/21/2010CN101697480A Automatic gain control for a wireless receiver
04/21/2010CN101188403B Audio amplification device with adjustable power consumption
04/21/2010CN101032079B A/d变换器 A / d converter
04/20/2010US7702368 Apparatus and method for controlling speaker volume of push-to-talk (PTT) phone
04/20/2010US7702119 Multi-input gain control circuit
04/20/2010US7702116 Microphone bleed simulator
04/20/2010US7702115 Method and apparatus to reconstruct high-frequency components of an audio signal
04/20/2010US7701292 Programmable gain amplifier with noise cancellation
04/20/2010US7701286 Multibit digital amplifier for radio-frequency transmission
04/15/2010US20100092002 Sound field reproducing device and sound field reproducing method
04/15/2010US20100091999 System and Method of Limiting Exposure to Acoustic Noise
04/15/2010US20100090765 Programmable Gain Amplifier
04/14/2010CN1961477B Automatic current reduction biasing technique for RF amplifier
04/14/2010CN1918785B RF equipment formed by integrated circuits, RF signal amplification method and wireless communication apparatus
04/14/2010CN1893263B Signal level adjusting apparatus and gain value updating method
04/13/2010US7697643 Setting a transmission power level for a mobile unit
04/13/2010US7696828 Multi-linearity mode LNA having a deboost current path
04/13/2010US7696821 Method and system for extending dynamic range of an RF signal
04/13/2010US7696818 Amplifying apparatus
04/08/2010WO2010039657A2 An integrated ambient audio transformation device
04/08/2010WO2010039446A2 Systems and methods of rf power transmission, modulation, and amplification, including blended control embodiments
04/08/2010WO2010038417A1 Reception device and electronic device using the same
04/08/2010US20100086141 Ambient audio transformation using transformation audio
04/08/2010US20100085119 Generating A Process And Temperature Tracking Bias Voltage
04/08/2010DE102008048986A1 Antennenverstärker, Empfangssystem, Verfahren zum Betrieb und Verwendung eines Empfangssystems Antenna amplifier, receiver system, method of operation and use of a receiving system
04/07/2010EP2172930A1 Audio signal processing device and audio signal processing method
04/07/2010EP2171955A1 Equalizer filter with mismatch tolerant detection mechanism for lower and higher frequency gain loops
04/07/2010EP2171842A1 Amplifier with a quadrature amplitude modulation (qam) modulated and a continuous wave automatic gain control (agc) circuit
04/07/2010EP2171841A2 Systems and methods for saturation detection and correction in a power control loop
04/07/2010CN1781298B Radio transmission/reception unit and method used for radio frequency parameter demand
04/07/2010CN1624656B System and method for implementing a smooth audio volume control model
04/07/2010CN101692601A Automatic gain control device and audio control system comprising same
04/06/2010US7693290 Sound reproduction device
04/01/2010WO2010017137A3 Systems and methods for adjusting the gain of a receiver through a gain tuning network
04/01/2010US20100081402 Power control circuitry for a mobile terminal application
04/01/2010US20100080403 Post phase-inverter volume control
04/01/2010US20100080402 System and Method for Volume Control Based on Location
04/01/2010US20100080401 Vehicle Audio System Surround Modes
04/01/2010US20100079209 Setting an output level of an amplifier apparatus
04/01/2010DE102005047171B4 Schaltungsanordnung mit einem rückgekoppelten Operationsverstärker Circuit arrangement having a feedback operational amplifier
03/2010
03/31/2010EP2168237A2 Time-varying audio-signal level using a time-varying estimated probability density of the level
03/31/2010EP2168122A1 Audio processing using auditory scene analysis and spectral skewness
03/31/2010CN201435728Y GPS information-based automatic power controlling device for locomotive radio station
03/31/2010CN101690259A A method and an apparatus for damping a sonic signal
03/31/2010CN101689840A Apparatus and method for artificial reverberation
03/31/2010CN101686039A Audio processing device and audio processing method for multimedia device
03/31/2010CN101685315A Voltage regulator including constant loop gain control
03/30/2010US7688136 Shared linearity maintenance in power amplifiers
03/25/2010US20100074456 System for adjusting playing volume according to predetermined time and method for the same
03/25/2010US20100074450 System for adjusting playing volume automatically and method for the same
03/25/2010US20100074370 Antenna amplifier, receiving system, operating method, and use of a receiving system
03/25/2010US20100073572 Variable-gain low noise amplifier for digital terrestrial applications
03/24/2010EP2166668A2 Electronic apparatus and method for adjusting audio level
03/24/2010CN201430572Y Automatic gain vehicle-mounted active antenna amplifier
03/24/2010CN101682305A Automatic gain control circuit for volume control and corresponding method for volume control
03/24/2010CN100596019C Method and apparatus for controlling gain of variable gain amplifier
03/23/2010US7684760 Transmission power controller of a mobile communication terminal
03/23/2010US7684524 Enhanced automatic gain control mechanism for time-slotted data transmissions
03/23/2010US7684514 Transmitter apparatus and wireless communication apparatus
03/23/2010US7683711 Voltage regulator for biasing current-to-voltage amplifiers
03/18/2010WO2010028955A1 Automatic gain control and dc offset compensation
03/18/2010US20100067924 Optical receiver
03/18/2010US20100067718 Modifications of audio communications in an online environment
03/18/2010US20100067714 Headphones switchable to a sound box mode of operation
03/18/2010US20100066444 Wide-range and high-resolution programmable gain amplifier
03/18/2010US20100065723 Real-Time Gain Compensation for Photo Detectors Based on Energy Peak Detection
03/17/2010EP1626508B1 Transmission output control circuit, and wireless device using the same
03/17/2010CN101675585A System and method for engaging in conversation while using an earphone
03/17/2010CN101674441A 自动增益控制器及其控制方法 Automatic gain controller and control method
03/17/2010CN100594682C Power ramping controller and an associated power ramping method for transmitter
03/17/2010CN100594673C Sound volume control method, system and electric appliance
03/16/2010US7680286 Sound field measurement device
03/16/2010US7679449 Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion
03/16/2010US7679448 Continuous wave based bias method and apparatus for minimizing MOS transistor distortion
03/16/2010US7679447 Variable gain amplifier circuit and filter circuit
03/16/2010US7679446 Variable-gain low-noise amplifier
03/11/2010US20100062754 Cue-aware privacy filter for participants in persistent communications
03/11/2010US20100061576 Amplification Circuit and Hearing Aid
03/11/2010US20100061566 Apparatus for processing an audio signal and method thereof
03/11/2010US20100061560 Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
03/11/2010US20100061488 Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver
03/11/2010DE102009039980A1 Leistungsverstärker mit einer Ausgangsleistungssteuerung Power amplifier with output power control
03/10/2010EP2161833A1 Gain switching circuit for preamplifier
03/10/2010EP2160834A1 Automatic gain control circuit for volume control and corresponding method for volume control
03/10/2010CN201422103Y Audio frequency processor
03/10/2010CN101669284A Automatic volume and dynamic range adjustment for mobile audio devices
03/10/2010CN101669283A Receiving device and receiving method
03/09/2010US7675991 Wireless transmitting and receiving device and method
03/09/2010US7675980 Wireless transmitting and receiving device and method
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