| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 05/24/2011 | USRE42390 Sound signal playback machine and method thereof |
| 05/24/2011 | US7949419 Method and system for controlling gain during multipath multi-rate audio processing |
| 05/24/2011 | US7949141 Processing audio signals with head related transfer function filters and a reverberator |
| 05/24/2011 | US7948318 Amplifying circuit, AC signal amplifying circuit and input bias adjusting method |
| 05/19/2011 | WO2011057970A1 Gain control for an audio signal |
| 05/19/2011 | US20110115562 Class Resonant-H Electrosurgical Generators |
| 05/19/2011 | US20110115557 Amplifying apparatus |
| 05/18/2011 | EP2323415A2 A system for viewing 3D images using 3D glasses having left and right shutters |
| 05/18/2011 | EP1402631B1 Direct conversion receiver architecture |
| 05/18/2011 | CN1592093B Frequency-selective phase/delay control for an amplifier |
| 05/18/2011 | CN102067445A Amplifier for controlling gain and optical module |
| 05/18/2011 | CN102065347A Earphone capable of automatically adjusting volume |
| 05/18/2011 | CN102064781A Method and device for adjusting audio frequency of terminal and terminal |
| 05/18/2011 | CN102064780A Audio console with direct out gain stabiliser |
| 05/17/2011 | US7945060 Parameter display method and program therefor, and parameter setting apparatus |
| 05/17/2011 | US7944294 Signal amplification |
| 05/17/2011 | CA2713014A1 Temperature impervious radio device amplifier output power control |
| 05/16/2011 | CA2721024A1 Class resonant-h electrosurgical generators |
| 05/12/2011 | US20110110534 Adjustable voice output based on device status |
| 05/12/2011 | DE102009053242A1 Audio system for use in motor vehicle, has processor unit arranged such that amplification factor is adjusted for outputting amplified audio signal with sound level that correlates with detected sound level of another audio signal |
| 05/11/2011 | EP2319176A1 Method and apparatus for reducing audio artifacts |
| 05/11/2011 | EP2319175A2 Systems and methods for adjusting the gain of a receiver through a gain tuning network |
| 05/11/2011 | EP2319174A1 Joint time-frequency automatic gain control for wireless communication |
| 05/11/2011 | EP1382171B1 Dynamically varying linearity system for an rf front-end of a communication device |
| 05/11/2011 | CN201828845U Gradient voltage generator for continuous variable gain amplifier |
| 05/11/2011 | CN1619951B Automotive audio controller with vibration sensor |
| 05/11/2011 | CN102057732A Method and arrangement in a cellular communications system |
| 05/11/2011 | CN102057568A Methods and systems of AGC and DC calibration for OFDM/OFDMA systems |
| 05/11/2011 | CN102057567A Audio signal processing device and audio signal processing method |
| 05/11/2011 | CN102055424A 自动增益控制 AGC |
| 05/11/2011 | CN102055423A Volume control method for location-based service device and location-based service device |
| 05/10/2011 | USRE42334 Smoothing circuit employing charging circuit intermittently charging when input voltage is higher relatively than terminal voltage and discharging circuit intermittently releasing discharging current when terminal voltage is higher relatively than input voltage |
| 05/10/2011 | US7940122 Amplifier circuit and communication device |
| 05/05/2011 | WO2011052458A1 Error amplifier |
| 05/05/2011 | WO2011050975A1 Threshold crossing detection |
| 05/05/2011 | WO2011050974A1 Amplifier activation |
| 05/05/2011 | US20110105070 Direct conversion receiver architecture |
| 05/05/2011 | US20110105067 Low noise amplifier |
| 05/05/2011 | US20110103625 Audio processing |
| 05/05/2011 | US20110103617 Sound source recording apparatus and method adaptable to operating environment |
| 05/05/2011 | US20110103598 Radio communication apparatus, method, and computer program for notification of event occurrence |
| 05/05/2011 | US20110102088 Low noise amplifier circuit |
| 05/05/2011 | DE112009001238T5 RMS-Detektor mit automatischer Verstärkungsregelung RMS detector with automatic gain control |
| 05/04/2011 | EP2317647A1 Threshold crossing detection |
| 05/04/2011 | EP2317644A1 Amplifier activation |
| 05/04/2011 | CN201821323U AGC (automatic gain control) circuit for super-heterodyne receiver |
| 05/04/2011 | CN1665127B Variable capacitor circuit and integrated circuit containing the same |
| 05/04/2011 | CN1612643B Parameter display method and parameter setting apparatus |
| 05/04/2011 | CN102045619A Recording apparatus, recording method, audio signal correction circuit, and program |
| 05/04/2011 | CN102045029A Operation amplifying circuit |
| 05/04/2011 | CN101212208B Automatic audio output level regulation method |
| 05/03/2011 | US7936889 Mixer apparatus and parameter-setting changing method for use in the mixer apparatus |
| 05/03/2011 | US7936886 Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof |
| 05/03/2011 | US7936885 Audio/video reproducing systems, methods and computer program products that modify audio/video electrical signals in response to specific sounds/images |
| 05/03/2011 | US7936842 Automatic bit rate control circuit |
| 04/28/2011 | US20110096943 Audio Console System |
| 04/28/2011 | US20110095876 Mobile device |
| 04/28/2011 | US20110095875 Adjustment of media delivery parameters based on automatically-learned user preferences |
| 04/28/2011 | US20110095827 Radio frequency (rf) power amplifier and rf power amplifier apparatus |
| 04/28/2011 | US20110095826 Adaptive parametric power amplifier protection circuit |
| 04/28/2011 | US20110095823 Incremental gain amplifier |
| 04/28/2011 | US20110095822 Variable-gain low noise amplifier |
| 04/28/2011 | DE102009050491A1 Kompensationsschaltung zur Verbesserung der Pegelregelung integrierter Verstärkerbausteine Compensation circuit for improving the level control integrated amplifier blocks |
| 04/27/2011 | EP2315449A2 Normalization of a synchronization signal for 3D glasses |
| 04/27/2011 | EP2315352A2 Compensation circuit for improving the level regulation of integrated amplifier components |
| 04/27/2011 | CN102037367A RMS detector with automatic gain control |
| 04/27/2011 | CN102035488A Method and device for controlling sound level of audio device in vehicles |
| 04/27/2011 | CN102035487A Automatic gain control method and device for diversity reception |
| 04/27/2011 | CA2717896A1 Audio console with direct out gain stabilizer |
| 04/26/2011 | US7933569 Timing adjustment method for wireless communication apparatus |
| 04/26/2011 | US7932458 Electronic signal processor |
| 04/21/2011 | WO2011045832A1 Differential driver circuit and testing apparatus using same |
| 04/21/2011 | US20110093104 Artificial ambiance processing system |
| 04/21/2011 | US20110091052 Sound and light control apparatus |
| 04/21/2011 | US20110090010 Variable gain amplification device |
| 04/21/2011 | US20110090008 Power amplification apparatus and power amplification method |
| 04/20/2011 | EP2312747A2 Distortion compensation |
| 04/20/2011 | EP2311187A1 System and method of controlling power consumption in response to volume control |
| 04/20/2011 | EP1204216B1 Method and apparatus for distortion compensation of radio device |
| 04/20/2011 | CN102027676A AGC low threshold signal level detection |
| 04/20/2011 | CN102027675A WCDMA AGC receiver SNR adjustment and signalling |
| 04/20/2011 | CN102027674A Technique for controlling a gain of a receiver |
| 04/20/2011 | CN102025334A Db-linear process-independent variable gain amplifier |
| 04/20/2011 | CN102025333A Level adjusting circuit and audio system using the same |
| 04/20/2011 | CN102025332A Gain control circuit and method |
| 04/20/2011 | CN101562717B Mobile TV automatic gain control device and dynamic step length adjusting method thereof |
| 04/20/2011 | CN101435782B Method for increasing image data dynamic range and image acquiring system |
| 04/20/2011 | CN101282111B Method and system for controlling sound volume adjustment |
| 04/20/2011 | CN101167258B Automatic gain control method |
| 04/19/2011 | US7930174 Device and method for noise suppression |
| 04/19/2011 | US7929714 Integrated audio codec with silicon audio transducer |
| 04/19/2011 | US7929712 Electronic volume control apparatus |
| 04/14/2011 | WO2011043800A1 Active bias control circuit for an amplifier and method of power up sequencing the same |
| 04/14/2011 | WO2011005843A3 Receiver with automatic gain control |
| 04/14/2011 | WO2010138601A3 Movement sensor uses in communication systems |
| 04/14/2011 | US20110088053 Methods and apparatus to adjust signature matching results for audience measurement |
| 04/14/2011 | US20110085681 Acoustic processing device |
| 04/14/2011 | US20110085680 Apparatus for detecting the approach distance of a human body and performing different actions according to the detecting results |
| 04/14/2011 | US20110085679 Intelligent Selective System Mute |
| 04/14/2011 | US20110084760 Highly efficient class-g amplifier and control method thereof |