| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 10/24/2013 | US20130279708 Calculating And Adjusting The Perceived Loudness And/Or The Perceived Spectral Balance Of An Audio Signal |
| 10/24/2013 | US20130279706 Controlling individual audio output devices based on detected inputs |
| 10/24/2013 | US20130279635 Automatic Gain Control (AGC) For Multichannel/Wideband Communications System |
| 10/24/2013 | US20130278342 Broadband Transconductance Amplifier |
| 10/24/2013 | US20130278341 Radio frequency front-end circuit and operation method thereof |
| 10/24/2013 | DE102012103403A1 Signal level regulator of amplifier for use in e.g. radio, has output terminals that are connected to transmission lines, respectively through capacitors |
| 10/23/2013 | EP2654222A1 Method for testing an amplification channel of a repeater of a telecommunications satellite |
| 10/23/2013 | EP2652870A1 Cancelation of gain change due to amplifier self-heating |
| 10/23/2013 | CN103368580A Parallel-to-serial structure-based single pulse time domain amplifier |
| 10/23/2013 | CN103368547A Systems and methods for starting up analog devices |
| 10/23/2013 | CN103368514A Variable gain amplifier-equipped measuring apparatus |
| 10/23/2013 | CN103368506A 宽带可变增益放大器 Wideband variable gain amplifier |
| 10/23/2013 | CN102497168B Intelligent volume limiting device and method |
| 10/23/2013 | CN102315826B Squelch control method of automatic gain power amplifier chain and circuit |
| 10/23/2013 | CN102237889B RF digital spur reduction |
| 10/22/2013 | US8565674 Portable terminal comprising near field communication module and method for operating the same |
| 10/22/2013 | US8565121 Low latency frequency switching |
| 10/22/2013 | US8564371 Amplification circuit |
| 10/22/2013 | CA2620377C Method and apparatus for controlling band split compressors in a hearing aid |
| 10/17/2013 | WO2013153967A1 Sound signal output device and sound output system |
| 10/17/2013 | US20130273863 Method and apparatus for optimizing transmitter power efficiency |
| 10/17/2013 | US20130272543 System for adjusting loudness of audio signals in real time |
| 10/17/2013 | US20130272542 System for adjusting loudness of audio signals in real time |
| 10/17/2013 | US20130271307 System and Method for High Input Capacitive Signal Amplifier |
| 10/17/2013 | US20130271218 High speed transimpedance amplifier |
| 10/16/2013 | EP2651031A1 Automatic gain control in a wireless communication network |
| 10/16/2013 | EP2649726A1 Real time transmission power control |
| 10/16/2013 | EP2649725A2 Fast power up comparator |
| 10/16/2013 | CN203243289U Dynamic processing device of audio signal |
| 10/16/2013 | CN203243288U Automatic control device of volume |
| 10/16/2013 | CN203243287U Programmable gain isolation amplifying circuit |
| 10/16/2013 | CN103354445A Adaptive environment music playing apparatus and method thereof |
| 10/16/2013 | CN103354444A Low-power-consumption variable gain amplifier |
| 10/16/2013 | CN101815114B Method for controlling acoustic gain and mobile phone capable of controlling acoustic gain |
| 10/15/2013 | US8559656 System and method for automatic microphone volume setting |
| 10/15/2013 | US8559654 Range finding audio system |
| 10/15/2013 | US8559646 Spatial audio teleconferencing |
| 10/15/2013 | US8558616 Amplifying apparatus |
| 10/15/2013 | US8558614 Amplification device |
| 10/15/2013 | US8558613 Apparatus and method for digitally-controlled automatic gain amplification |
| 10/15/2013 | CA2488689C Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 10/10/2013 | WO2013095261A3 Automatic gain control of a received signal using a power target |
| 10/10/2013 | US20130266157 Headphone amplifier |
| 10/09/2013 | EP2647223A1 Dynamic microphone signal mixer |
| 10/09/2013 | EP2647130A1 Receiver gain adjustment to reducing an influence of a dc offset |
| 10/08/2013 | US8553908 Amplification apparatus |
| 10/08/2013 | US8553907 Portable computer electrical grounding and audio system architectures |
| 10/08/2013 | US8553816 Setting a transmission power level for a mobile unit |
| 10/08/2013 | US8553815 Gain control for a receiver in a multi-carrier communication system |
| 10/03/2013 | WO2013148873A1 Tdd pipeline processing |
| 10/03/2013 | WO2013144277A1 Determination of envelope shaping and signal path predistortion of an et amplification stage using device characterisation data |
| 10/03/2013 | WO2013144275A1 Dynamic characterisation of amplifier using multiple envelope shaping functions |
| 10/03/2013 | US20130260703 Ultra-wideband high power amplifier architecture |
| 10/03/2013 | US20130259265 Audio Signal Output Device and Audio Output System |
| 10/03/2013 | US20130259172 Receiver with Variable Gain Control Transimpedance Amplifier |
| 10/02/2013 | EP2645567A2 Volume control apparatus |
| 10/02/2013 | EP2645566A2 Audio signal output device |
| 10/02/2013 | CN102355215B Non-contact audio equipment volume controller and control method thereof |
| 10/02/2013 | CN102122927B Volume control circuit and method thereof |
| 10/02/2013 | CN101902526B Mobile terminal and volume control method and device thereof |
| 10/01/2013 | US8548614 Dynamic range control and equalization of digital audio using warped processing |
| 10/01/2013 | US8548173 Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus |
| 10/01/2013 | US8547173 Signal amplifying circuit and signal amplifying method |
| 09/26/2013 | WO2013138927A1 Audio system with integrated power, audio signal and control distribution |
| 09/26/2013 | US20130251175 System and method for digital signal processing |
| 09/26/2013 | US20130251077 Data receiving circuit and data receiving method |
| 09/26/2013 | US20130251016 Dual squelch detectors and methods for low power states |
| 09/26/2013 | US20130249676 Receiving device and remote control system |
| 09/26/2013 | US20130249634 Power amplifier with an adaptive bias |
| 09/26/2013 | US20130249630 Frequency Stabilization in Nonlinear MEMS and NEMS Oscillators |
| 09/25/2013 | EP2641434A1 Method and apparatus for adjusting transmitter power level |
| 09/25/2013 | EP2641329A1 A multistage receiver system |
| 09/25/2013 | CN203219250U Speed type flow meter amplifying circuit based on MSP430 single chip microcomputer |
| 09/25/2013 | CN103329433A Output-mode switching amplifier |
| 09/25/2013 | CN103329432A Amplifier for a wireless receiver |
| 09/25/2013 | CN103329430A Cancelation of gain change due to amplifier self-heating |
| 09/25/2013 | CN103327600A Automatic control device and method of radio frequency link gains |
| 09/25/2013 | CN103326683A RMS detector with automatic gain control |
| 09/25/2013 | CN103326677A Audio power amplifier and adjusting method thereof |
| 09/25/2013 | CN103326555A Power supply circuit with pfc function, and automatic gain control circuit therefor and control method thereof |
| 09/25/2013 | CN102332881B Headset volume control circuit of key general mobile phone |
| 09/25/2013 | CN101753111B Method and device for adjusting play volume |
| 09/25/2013 | CN101707477B Circuit for eliminating impact sound generated in switching process |
| 09/24/2013 | US8542848 Musical instrument preamplifier |
| 09/24/2013 | US8542064 Methods and apparatus to control power in a printer |
| 09/24/2013 | US8542061 Charge pump based power amplifier envelope power supply and bias power supply |
| 09/19/2013 | US20130243208 Computer user alertness monitoring system |
| 09/19/2013 | US20130241655 Linearization Circuit and Related Techniques |
| 09/19/2013 | US20130241654 Gain control system |
| 09/19/2013 | US20130241653 Instrumentation input systems |
| 09/19/2013 | US20130241643 Systems and methods for adaptive equalization control for high-speed wireline communications |
| 09/18/2013 | CN103312285A Self-adaptive voltage gain control circuit for power line carrier driver |
| 09/18/2013 | CN103312284A Method for realizing complex hardware recording automatic gain control with software method |
| 09/18/2013 | CN103312283A Gain control system |
| 09/18/2013 | CN102355196B LC oscillator |
| 09/17/2013 | US8538354 Method and system for controlling signal transmission of a wireless communication device |
| 09/17/2013 | US8538042 System for increasing perceived loudness of speakers |
| 09/17/2013 | US8536949 Variable power amplifier system |
| 09/17/2013 | US8536941 Amplifying device and method involving envelope signal |
| 09/17/2013 | US8536940 Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof |