| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 10/01/2009 | US20090245550 Media player system, media player, and earphone |
| 10/01/2009 | US20090245539 User adjustable volume control that accommodates hearing |
| 10/01/2009 | US20090245538 Video/Audio Output Device and Video/Audio Method |
| 10/01/2009 | US20090245537 Automatic ipod volume adjustment |
| 10/01/2009 | US20090245536 System and method for setting volume settings in an audio system |
| 10/01/2009 | US20090245533 Adaptive initial volume settings for a vehicle audio system |
| 10/01/2009 | US20090245526 Device for and method of adding reverberation to an input signal |
| 10/01/2009 | US20090243727 Compensating for non-linear capacitance effects in a power amplifier |
| 10/01/2009 | US20090243726 Variable resistor array and amplifier circuit |
| 10/01/2009 | DE102008016154A1 Verfahren und Vorrichtung zur Kompensation von Verstärkungsänderungen bei einer Verstärkerschaltung Method and apparatus for compensating for changes in gain of an amplifier circuit |
| 10/01/2009 | DE102008000812A1 Empfangsschaltung zum Empfangen von OFDM-Signalen und Verfahren hierzu Reception circuit for receiving OFDM signals and methods for this purpose |
| 09/30/2009 | CN201319585Y Gain amplitude limit circuit |
| 09/30/2009 | CN101548464A System and method for acquisition in wireless communication systems |
| 09/30/2009 | CN100546354C Method for determining the signal strength at the input of a tuner |
| 09/30/2009 | CN100546184C Channel selector with automatic gain control |
| 09/30/2009 | CN100546177C Power amplifier and front end for supporting multi-frequency band |
| 09/30/2009 | CN100546175C 接收电路及光接收电路 A light receiving circuit and the receiving circuit |
| 09/29/2009 | US7596234 Method and apparatus for playback of audio files |
| 09/29/2009 | US7596233 System and method for controlling volume with a single knob |
| 09/29/2009 | US7596232 Apparatus and method for adjusting sound volume for televisions and other audio systems |
| 09/29/2009 | US7596192 Automatic gain control method for radio communication mobile station |
| 09/29/2009 | US7595694 Electronics parts for high frequency power amplifier |
| 09/29/2009 | US7595693 System and method for providing a configurable inductor less multi-stage low-noise amplifier |
| 09/29/2009 | US7595692 Automatic gain control circuit |
| 09/27/2009 | CA2627824A1 Automatic ipod volume adjustment |
| 09/24/2009 | US20090239491 Signal distribution system cascadable agc device and method |
| 09/24/2009 | US20090239487 Method and apparatus for regulating the transmitted power in multi-rate wireless communication systems |
| 09/24/2009 | US20090239486 Apparatus for antenna diversity using joint maximal ratio combining |
| 09/24/2009 | US20090238581 Optical signal receiving circuit |
| 09/24/2009 | US20090237157 Power amplifier edge evaluation-alternative envelope modulator |
| 09/24/2009 | US20090237156 Power amplifiers having improved startup linearization and related operating methods |
| 09/24/2009 | DE102008015255A1 Method for adjusting sound intensity of analog and digital audio signals during rendering of audio signals in mobile broadcast receiver of motor vehicle, involves adjusting levels of signals and sound intensity at output of receiver |
| 09/23/2009 | EP2104226A2 Wireless communication device |
| 09/23/2009 | EP2102992A1 Closed-loop digital power control for a wireless transmitter |
| 09/23/2009 | EP2102982A1 Automatic gain control with improved cross-modulation |
| 09/23/2009 | CN101542899A AGC circuit |
| 09/22/2009 | US7593710 Method and a device for controlling amplification of a signal emitted by a mobile terminal and increasing the autonomy of the mobile terminal |
| 09/22/2009 | US7593705 Radio receiver and gain control method |
| 09/22/2009 | US7593699 Distortion/efficiency adaptation in a variable-data-rate radio transmitter |
| 09/22/2009 | US7593480 Transmission device and radio communication device |
| 09/22/2009 | US7592580 Optical amplifier and gain control method |
| 09/17/2009 | WO2009112092A1 Reactive headphones |
| 09/17/2009 | US20090232330 Apparatus and method for automatic gain control using phase information |
| 09/17/2009 | US20090232325 Reactive headphones |
| 09/17/2009 | US20090232321 Acoustic signal processing apparatus, acoustic signal processing method, acoustic signal processing program, and computer readable recording medium |
| 09/17/2009 | US20090232320 Loudness adjustment with self-adaptive gain offsets |
| 09/17/2009 | US20090232319 Audio playing apparatus and method thereof |
| 09/17/2009 | DE102005044416B4 Hörvorrichtung mit verbessertem Lautstärkesteller oder Programmschalter Hearing apparatus with improved volume control or program switch |
| 09/16/2009 | EP2101411A1 Loudness adjustment with self-adaptive gain offsets |
| 09/16/2009 | EP1491068B1 Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used |
| 09/16/2009 | EP1201025B1 Driving circuits for switch mode rf power amplifiers |
| 09/16/2009 | CN101536308A Automatic gain control with improved cross-modulation |
| 09/16/2009 | CN101534102A Automatic gain control method and device |
| 09/16/2009 | CN100542055C Transmission circuit, wireless communication apparatus and timing adjustment method for transmission circuit |
| 09/16/2009 | CN100542020C Automatic gain control device and method |
| 09/15/2009 | US7590251 Clip detection in PWM amplifier |
| 09/15/2009 | US7590249 Object-based three-dimensional audio system and method of controlling the same |
| 09/15/2009 | US7589309 Imager system for an automated microscope |
| 09/11/2009 | WO2009110370A1 Gain-variable amplifier |
| 09/10/2009 | US20090226188 Burst-mode automatic gain control circuit |
| 09/10/2009 | US20090226009 Device and method |
| 09/10/2009 | US20090226008 Information processing apparatus, information processing system, and method of controlling information processing apparatus |
| 09/10/2009 | US20090225995 Sound reproducing apparatus |
| 09/10/2009 | US20090224880 Apparatus and Method for Providing an Emergency Alert Function with Adjustable Volume Control |
| 09/09/2009 | EP2099128A1 Power control system in transmitters |
| 09/09/2009 | EP2097973A1 Dynamic range improvements of load modulated amplifiers |
| 09/09/2009 | CN201307848Y Radio frequency automatic level control circuit |
| 09/09/2009 | CN101529720A Device and method for amplification of radiocommunication signals |
| 09/09/2009 | CN101527579A Plus control method for short-pulse transmission signal receiver and a receiver using the same |
| 09/09/2009 | CN101527543A Audio system capable of suppressing switch noise and audio amplifier |
| 09/09/2009 | CN100539726C Transmission device and gain control method |
| 09/09/2009 | CN100539487C Radio communication receiver |
| 09/09/2009 | CN100539447C AM receiver circuit |
| 09/09/2009 | CN100539405C Method and circuit for providing gain control in signal processing with feed-forward gain correction |
| 09/09/2009 | CN100539404C A method and apparatus for automatic gain control of a wireless receiver |
| 09/09/2009 | CN100539401C Method and device for amplifying a reception signal |
| 09/08/2009 | US7587254 Dynamic range control and equalization of digital audio using warped processing |
| 09/08/2009 | US7587188 Radio wave reception device, radio wave clock, and repeater |
| 09/08/2009 | US7587057 Vibroacoustic emulator |
| 09/08/2009 | US7587002 Wireless transmitting and receiving device and method |
| 09/08/2009 | US7586996 Method for controlling the power of the output signal from an amplifier system and the associated system |
| 09/08/2009 | US7586374 Wireless communication unit, integrated circuit and biasing therefor |
| 09/03/2009 | WO2009107359A1 Amplifier circuit and receiving device using the same |
| 09/03/2009 | WO2009106995A2 Low complexity agc for mb-ofdm |
| 09/03/2009 | US20090221252 Low complexity agc for mb-ofdm |
| 09/03/2009 | US20090220109 Audio Gain Control Using Specific-Loudness-Based Auditory Event Detection |
| 09/03/2009 | US20090220106 Audio signal processing circuit |
| 09/03/2009 | US20090220100 Reverberation adjusting apparatus, reverberation adjusting method, reverberation adjusting program, recording medium on which the reverberation adjusting program is recorded, and sound field correcting system |
| 09/03/2009 | US20090220096 Method and Device to Maintain Audio Content Level Reproduction |
| 09/03/2009 | US20090219098 Method and system for polar modulation with discontinuous phase for rf transmitters with power control |
| 09/03/2009 | US20090219097 Device and method for amplifying radiocommunication signals |
| 09/03/2009 | US20090219092 Highly linear differential amplifier with a novel resistive source degeneration network |
| 09/02/2009 | EP2096754A1 Optical receiver |
| 09/02/2009 | EP2096631A1 Audio decoding device and power adjusting method |
| 09/02/2009 | EP2095505A1 Analogue implementation of a sampled filter with finite impulse response using a controllable-gain transconductance amplifier |
| 09/02/2009 | EP2095503A2 System and method for power amplifier output power control |
| 09/02/2009 | EP2027651A4 Improved control of switcher regulated power amplifier modules |
| 09/02/2009 | EP2027650A4 Input drive control for switcher regulated power amplifier modules |
| 09/02/2009 | CN101523718A Digital AGC device |
| 09/02/2009 | CN101523225A Radio frequency handling device |