| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 04/17/2013 | CN103051300A Gain-device switching-on/off adjusting method and device in automatic gain control system |
| 04/17/2013 | CN103051299A Programmable gain amplifier applicable to transmitting end of communication system |
| 04/17/2013 | CN101567672B Method and system for acquiring gain |
| 04/16/2013 | US8422700 Audio signal adjusting system and method |
| 04/16/2013 | US8422699 Loudness consistency at program boundaries |
| 04/16/2013 | US8422695 Sound processing apparatus, sound processing method and program |
| 04/16/2013 | US8422692 Audio distribution system |
| 04/14/2013 | CA2792458A1 Methods and apparatus for power control |
| 04/11/2013 | US20130088293 Method and apparatus for programmable gain control useful with digital to analog converter |
| 04/10/2013 | EP2579456A1 Control method for fast tracking power source, fast tracking power source and system |
| 04/10/2013 | EP2577865A1 Linear burst mode receiver |
| 04/10/2013 | EP2577656A1 A bandwidth extender |
| 04/10/2013 | CN103036553A Photoelectric signal switching circuit and plasma television stylus |
| 04/10/2013 | CN103036517A Data bit (dB) linear variable gain amplifier |
| 04/10/2013 | CN101743689B Time-varying audio-signal level using a time-varying estimated probability density of the level |
| 04/10/2013 | CN101449469B Strain control device and method |
| 04/09/2013 | US8417531 Methods and apparatuses for encoding and decoding object-based audio signals |
| 04/09/2013 | US8416966 Method of automatic gain modulation and apparatus implementing the same |
| 04/09/2013 | US8416963 System for providing a personalized driving sound |
| 04/09/2013 | US8416958 Signal processing apparatus |
| 04/09/2013 | US8416019 System and method for interpolating digitally-controlled amplifier gain |
| 04/09/2013 | CA2337176C Process for adjusting the sound level of a digital sound recording |
| 04/04/2013 | WO2013046726A1 Communication device, and wireless relay device and communication control method using same |
| 04/04/2013 | US20130083946 Apparatus and method for sound control and electronic service |
| 04/04/2013 | US20130082781 Verifying oscillation in amplifiers and the mitigation thereof |
| 04/04/2013 | US20130082780 Accuracy power detection unit |
| 04/04/2013 | US20130082776 Amplifier for receiving optical signals complementary to each other |
| 04/03/2013 | EP2239844B1 Automatic gain control method and apparatus |
| 04/03/2013 | EP1675256B1 Radio transmitter, transmission power adjustment method and recording medium storing program for implementing method |
| 04/03/2013 | CN103026619A Variable resister having resistance varying geometrically ratio and control method thereof |
| 04/03/2013 | CN103023852A Fast digital automatic gain control method for orthogonal frequency division multiplexing receiver |
| 04/03/2013 | CN103023444A Transimpedance amplifier and method for converting current into voltage |
| 04/03/2013 | CN101841311B Digital voltage gain control device |
| 03/28/2013 | WO2013043934A1 Antenna power coupler having a variable coupling factor |
| 03/28/2013 | WO2013008190A3 Wireless communications |
| 03/28/2013 | US20130077804 Regulation of audio volume and/or rate responsive to user applied pressure and related methods |
| 03/28/2013 | US20130077803 Sound reproducing device |
| 03/28/2013 | US20130077798 Reverberation suppression device, reverberation suppression method, and computer-readable storage medium storing a reverberation suppression program |
| 03/28/2013 | DE102011085171B3 Regelvorrichtung mit Differenzialsteuerung bei einem magnetisch koppelnden Spulensystem für einen stromgeregelten, die Feldspulen eines Magnetresonanztomographen versorgenden Verstärker Control device with differential control in a magnetically coupling coil system for a current regulated, the field coil of a magnetic resonance tomograph supplying amplifier |
| 03/27/2013 | CN202841483U Audio circuit, audio energy converter protection circuit and mobile electronic system |
| 03/27/2013 | CN202841066U Audio output apparatus having volume gain automatic adjustment function |
| 03/27/2013 | CN103002380A 信息处理设备和信息处理方法 Information processing apparatus and information processing method |
| 03/27/2013 | CN103001598A Audio processing device and audio systems using same |
| 03/27/2013 | CN103001597A Gain frequency compensation method and gain frequency compensation device |
| 03/27/2013 | CN102216984B Noise gate, sound collection device, and noise removal method |
| 03/27/2013 | CN101702618B Gain control of radio frequency linear power amplifier |
| 03/27/2013 | CN101548464B System and method for acquisition in wireless communication systems |
| 03/27/2013 | CN101388653B Gain control circuit and optical recording and reproducing device using thereof |
| 03/26/2013 | US8407059 Method and apparatus of audio matrix encoding/decoding |
| 03/26/2013 | US8406435 Audio submix management |
| 03/26/2013 | US8406434 Audio processing system |
| 03/26/2013 | US8406433 3-point positioning device and method thereof |
| 03/26/2013 | US8406432 Apparatus and method for automatic gain control using phase information |
| 03/26/2013 | US8405456 High speed power supply system |
| 03/21/2013 | WO2013016325A3 Audio dynamics processing control system with exponential release response |
| 03/21/2013 | US20130070939 Signal processing apparatus |
| 03/21/2013 | US20130070931 Ambient Noise Compensation System Robust to High Excitation Noise |
| 03/21/2013 | US20130070930 Auto-configuring audio output for audio performance and fault detection |
| 03/20/2013 | EP2571286A1 Method for reinforcing the bass frequencies in a digital audio signal |
| 03/20/2013 | EP2571162A1 Method and device for controlling signal transmission of radio frequency power amplifier |
| 03/20/2013 | EP2569861A1 Personalized hearing profile generation with real-time feedback |
| 03/20/2013 | EP2569771A1 Method and apparatus for offset and gain correction |
| 03/20/2013 | EP2569662A1 Microperforation illumination |
| 03/20/2013 | CN202818236U High tone-quality audio output circuit |
| 03/20/2013 | CN102983918A Method and apparatus for selective disregard of co-channel transmissions on a medium |
| 03/20/2013 | CN102983816A System and method of reducing power consumption for audio playback |
| 03/20/2013 | CN102981422A Volume adjusting method and system |
| 03/20/2013 | CN101373960B Output limiting circuit, class d power amplifier and audio equipment |
| 03/20/2013 | CN101273547B Method and apparatus for controlling spurious transmissions in a communications system |
| 03/19/2013 | US8401844 Gain control system, gain control method, and gain control program |
| 03/19/2013 | US8400217 RF power amplifier circuit with mismatch tolerance |
| 03/14/2013 | WO2013034496A1 Agc with double slope |
| 03/14/2013 | WO2013012787A3 Modified switching ripple for envelope tracking system |
| 03/14/2013 | US20130064396 Information processing apparatus and information processing method |
| 03/14/2013 | US20130064395 Audio amplifier circuit and method thereof |
| 03/14/2013 | US20130064394 Digital signal generator and digital microphone |
| 03/14/2013 | US20130064393 Sound reproducing device and sound reproducing method |
| 03/14/2013 | US20130064380 Method and apparatus for using a sound sensor to adjust the audio output for a device |
| 03/14/2013 | DE112006000303B4 Empfänger mit Überlastschutz des Empfangswegs und Verfahren Receiver with overload protection of the receive path and method |
| 03/13/2013 | EP2568602A2 Method and device for regulating the level of a pulsed high frequency signals |
| 03/13/2013 | EP2568601A1 AGC with double slope |
| 03/13/2013 | CN202798592U Automatic level control device |
| 03/13/2013 | CN102970632A Sound based volume adjustment device, product and method |
| 03/13/2013 | CN102969995A Dynamic offset control circuit applied to linear mode power amplifier |
| 03/13/2013 | CN102969994A Voltage controlled variable gain amplifier circuit |
| 03/13/2013 | CN102969993A Bicycle-use measuring apparatus and control method |
| 03/13/2013 | CN101483445B Methods for preventing unwanted sound and electronic devices thereof |
| 03/13/2013 | CN101383595B Electronic volume ajuster and audio device using thereof and abnormity detection method |
| 03/12/2013 | US8395444 Electronic circuit |
| 03/07/2013 | WO2013033700A1 Split vcc and common vcc power management architecture for envelope tracking |
| 03/07/2013 | WO2013032403A1 A system, sound processing apparatus and sound processing method for electronic games |
| 03/07/2013 | WO2013031440A1 Semiconductor integrated circuit device and high frequency power amplifier module |
| 03/07/2013 | US20130058503 Audio processing apparatus, audio processing method, and audio output apparatus |
| 03/07/2013 | US20130058502 Apparatus for processing an audio signal and method thereof |
| 03/07/2013 | US20130058501 Volume control apparatus |
| 03/07/2013 | US20130058494 Method and apparatus for processing audio signal |
| 03/07/2013 | US20130057347 Amplifiers using gated diodes |
| 03/07/2013 | US20130057342 Digitally controlled power supplies for an audio amplifier |
| 03/06/2013 | CN1698266B Communication terminal device and amplification circuit |
| 03/06/2013 | CN102959875A 半导体器件 Semiconductor devices |