| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 06/29/2011 | CN102113209A Combined dual feed-forward and feedback analog and digital automatic gain control for broadband communication |
| 06/28/2011 | US7970155 Video/audio output device and external speaker control apparatus |
| 06/28/2011 | US7970153 Audio output apparatus |
| 06/28/2011 | US7970147 Video game controller with noise canceling logic |
| 06/28/2011 | US7969241 Gain control methods and systems in an amplifier assembly |
| 06/28/2011 | US7969240 Gain control for linear radio frequency power amplifiers |
| 06/23/2011 | WO2011075097A1 Multiplexed rfagc for frequency diversity receivers |
| 06/23/2011 | WO2011075024A1 Glitch mitigation in a radio receiver |
| 06/23/2011 | WO2011074193A1 Automatic gain control device and electronic apparatus |
| 06/23/2011 | US20110150242 Adaptive loudness levelling for digital audio signals |
| 06/23/2011 | US20110150237 Signal processing device and signal processing method |
| 06/23/2011 | US20110148519 Power amplifier power controller |
| 06/22/2011 | EP2337218A2 Method, RF module and test method for enabling a power amplifier to support multiple power levels |
| 06/22/2011 | CN1830141B Audio conditioning apparatus and the method thereof |
| 06/22/2011 | CN1758533B Variable gain amplifier |
| 06/22/2011 | CN102104367A Variable gain amplifier (VGA) |
| 06/21/2011 | US7965142 Gain control circuit and its gain control method |
| 06/21/2011 | US7965140 Power amplifier |
| 06/16/2011 | WO2011072248A1 System and method for biasing active devices |
| 06/16/2011 | WO2011070732A1 Transmission power control method and transmission power control device |
| 06/16/2011 | WO2011070731A1 Transmission power control method and transmission power control device |
| 06/16/2011 | US20110142261 MEMS Microphone with Programmable Sensitivity |
| 06/16/2011 | US20110142260 Method and apparatus for outputting audio signal in portable terminal |
| 06/16/2011 | US20110142259 Volume control apparatus and program of volume control apparatus |
| 06/16/2011 | US20110142255 Sound processing apparatus and method |
| 06/16/2011 | US20110142246 Multifunction device including sound generator that increases sound volume during call |
| 06/16/2011 | US20110142023 Wireless transmitting and receiving device and method |
| 06/16/2011 | US20110140778 Automatic gain control method and apparatus |
| 06/16/2011 | US20110140777 RF Power Amplifier Controller Circuit Including Calibrated Phase Control Loop |
| 06/16/2011 | US20110140776 Variable frequency amplifier |
| 06/16/2011 | DE102010044042A1 Temperaturunempfindliche Verstärker-Ausgabeleistungssteuerung für eine Funkvorrichtung Temperature-insensitive amplifier output power control for a wireless device |
| 06/15/2011 | EP2333953A1 Method and device for generating a signal for suppressing a received signal |
| 06/15/2011 | EP2333952A2 Method for controlling audio output and digital device using the same |
| 06/15/2011 | EP2333771A1 Method and apparatus to enhance an audio signal in a noisy environment |
| 06/15/2011 | EP2332140A1 Transcoding of audio metadata |
| 06/15/2011 | EP1604456B1 Closed loop power control of non-constant envelope waveforms using sample/hold |
| 06/15/2011 | CN201869173U Gain amplification circuit of interactive infrared white board |
| 06/15/2011 | CN1894855B System and method for detection of amplitude limit and modification of signal |
| 06/15/2011 | CN1627634B AGC system, AGC method, and receiver using the AGC system |
| 06/15/2011 | CN102100003A Method and apparatus for reducing audio artifacts |
| 06/15/2011 | CN102098017A Volume control circuit and device as well as multimedia equipment |
| 06/15/2011 | CN102098016A Avalanche photodiode gain stabilization control device and method |
| 06/15/2011 | CN102098015A Volume output adjusting circuit |
| 06/14/2011 | US7961896 Expander circuit with reduced distortion |
| 06/14/2011 | US7961894 Engine sound processing system |
| 06/14/2011 | US7961822 Setting a transmission power level for a mobile unit |
| 06/14/2011 | US7961821 Communication semiconductor integrated circuit, radio communication system, and adjustment method of gain and offset |
| 06/14/2011 | US7961044 Amplifier |
| 06/09/2011 | WO2011068449A1 Detection of radio signals in a receiver |
| 06/09/2011 | WO2011068012A1 Audio output circuit and electric device |
| 06/09/2011 | WO2011067934A1 Signal processing method, signal processing device, and information recording and reproduction device |
| 06/09/2011 | WO2011066646A1 Pre and post filter automatic gain control with bounded pre-filter gain control |
| 06/09/2011 | US20110135115 Sound enhancement apparatus and method |
| 06/09/2011 | US20110135114 Image display device, control method and computer program |
| 06/09/2011 | US20110135113 Apparatus and method for increasing volumn in portable terminal |
| 06/09/2011 | US20110133841 Low Noise Binary-Coded Gain Amplifier And Method For Time-Gain Compensation In Medical Ultrasound Imaging |
| 06/09/2011 | US20110133840 Pre and post filter automatic gain control with bounded pre-filter gain control |
| 06/09/2011 | US20110133837 Variable gain amplifier |
| 06/09/2011 | US20110133834 Power amplifier |
| 06/08/2011 | EP2330736A1 Processing method, system and processing device for gain control |
| 06/08/2011 | CN201860334U Underwater ultrasonic receiver based on automatic gain control |
| 06/08/2011 | CN1906494B Dual signal RF power level detector |
| 06/08/2011 | CN1619950B Variable amplifier and mobile wireless terminal using same |
| 06/08/2011 | CN101610573B Wireless transmitting and receiving device and method |
| 06/08/2011 | CN101072016B Gain automatic control device, method and audio processing device and earphone thereof |
| 06/08/2011 | CN101060314B Hearing protection method and sound output device |
| 06/07/2011 | US7957539 Sound enhancement system |
| 06/07/2011 | US7956933 Tuner circuit and digital broadcast receiver with low distortion performance and low power consumption |
| 06/07/2011 | US7956683 High efficiency linear power amplifiers with load compensation |
| 06/03/2011 | WO2011065828A1 Method for detecting audio ticks in a noisy environment |
| 06/03/2011 | WO2011065142A1 Reception device and gain control method |
| 06/02/2011 | US20110129224 Amplifier and optical module performing gain control |
| 06/02/2011 | US20110129102 Method and apparatus for controlling sound volume in mobile communication terminal |
| 06/02/2011 | US20110129095 Audio Zoom |
| 06/02/2011 | US20110128078 System and Method of Prebias for Rapid Power Amplifier Response Correction |
| 06/02/2011 | US20110128075 Audio amplifier and method for recognition an audio amplifier |
| 06/01/2011 | EP2328142A1 Method for detecting audio ticks in a noisy environment |
| 06/01/2011 | EP2140571B1 Apparatus and method for computing maximum power reduction for a umts signal |
| 06/01/2011 | CN1890904B Signal generation power management control system for portable communications device and method of using same |
| 05/31/2011 | US7953234 Audio signal output circuit and electronic apparatus outputting audio signal |
| 05/26/2011 | WO2011063330A2 Logarithmic mean-square power detector with servo control loop |
| 05/26/2011 | WO2011063095A1 Analog bias control for packet communication systems |
| 05/26/2011 | US20110125508 Data embedding system |
| 05/26/2011 | US20110123047 Audio processing system for an audio output device |
| 05/26/2011 | US20110121904 Comparison judgment circuit |
| 05/26/2011 | US20110121901 Constant gain amplifier system with gain control feedback |
| 05/26/2011 | US20110121900 Method and system for improving limiting amplifier phase noise for low slew-rate input signals |
| 05/26/2011 | US20110121443 Semiconductor device |
| 05/26/2011 | US20110121365 Hybrid integrated circuit device, and method for fabricating the same, and electronic device |
| 05/25/2011 | EP2326034A1 Audio console with direct out gain stabiliser |
| 05/25/2011 | EP2326001A2 Signal output device and signal output method |
| 05/25/2011 | EP1859530B1 Receiver having a gain-controllable input amplifier |
| 05/25/2011 | CN201846316U Automatic gain control circuit of zero intermediate frequency receiver |
| 05/25/2011 | CN201846315U Digital variable gain amplifier |
| 05/25/2011 | CN1574616B Audio processing apparatus |
| 05/25/2011 | CN102077464A Acoustic processing device |
| 05/25/2011 | CN102077463A System and method of controlling power consumption in response to volume control |
| 05/25/2011 | CN102075154A Low-power consumption programmable gain amplifier device |
| 05/25/2011 | CN102075153A Digital automatic gain control |
| 05/25/2011 | CN101420208B Variable gain amplifier including series-coupled cascode amplifiers |