| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 03/06/2013 | CN102957414A Enhanced simulation signal transmission method and circuit |
| 03/06/2013 | CN102957389A Gain stage with DC offset compensation and method thereof |
| 03/06/2013 | CN102957383A Class d amplifier and control method |
| 03/06/2013 | CN101826849B Digital high speed automatic gain preconditioning device |
| 03/06/2013 | CN101771390B Sound input/output system and volume output adjusting method thereof |
| 03/06/2013 | CN101669295B Apparatus and method for computing maximum power reduction for a umts signal |
| 03/05/2013 | US8391504 Method and system for artificial reverberation employing dispersive delays |
| 03/05/2013 | US8391374 Method and apparatus for selective disregard of Co-channel transmissions on a medium |
| 02/28/2013 | US20130051594 Technology delivery, positioning and sound management system and method for use in the ear canal |
| 02/28/2013 | US20130051582 System and Method for Low Distortion Capacitive Signal Source Amplifier |
| 02/28/2013 | US20130049868 Amplifier circuit with variable tuning precision |
| 02/28/2013 | US20130049865 Voltage controlled variable gain amplifier circuit |
| 02/28/2013 | US20130049860 Bicycle-use measuring apparatus and control method |
| 02/26/2013 | US8385854 Adaptive parametric power amplifier protection circuit |
| 02/26/2013 | US8385565 Apparatus and method of operating an audio system |
| 02/26/2013 | US8385564 Amplifier thermal management |
| 02/26/2013 | US8385563 Sound level control in responding to the estimated impedances indicating that the medium being an auditory canal and other than the auditory canal |
| 02/21/2013 | WO2013026067A1 Precision power/peak detector using on-chip reference power source |
| 02/21/2013 | US20130044900 Audio playing device for electronic devices |
| 02/21/2013 | US20130044897 Electronic device and audio adjustment method |
| 02/21/2013 | US20130044883 Techniques for presenting sound effects on a portable media player |
| 02/21/2013 | US20130043951 Class e amplifier overload detection and prevention |
| 02/21/2013 | US20130043948 Semiconductor device for signal amplification |
| 02/20/2013 | EP2560163A1 Apparatus and method of enhancing quality of speech codec |
| 02/20/2013 | EP2560162A1 Apparatus and method of enhancing quality of speech codec |
| 02/20/2013 | CN202750049U Weak wireless signal amplifier of time division duplexing system |
| 02/19/2013 | US8380334 Carrying auxiliary data within audio signals |
| 02/19/2013 | US8380147 Power amplifier circuit with means for tuning wave shape of ASK RF signal envelope, and method for implementing the power amplifier circuit |
| 02/19/2013 | US8379882 Method and electronic device for driving a capacitance electro-acoustic transducer |
| 02/19/2013 | US8379880 Methods and systems for determining audio loudness levels in programming |
| 02/19/2013 | CA2723046C Direct conversion receiver architecture |
| 02/14/2013 | WO2013022241A2 Radio frequency amplifier in communication system and method of controlling the same |
| 02/14/2013 | US20130039514 Method and apparatus for supplementing low frequency sound in a distributed loudspeaker arrangement |
| 02/14/2013 | US20130039513 Electronic device and method for adjusting volume |
| 02/14/2013 | US20130038396 Radio frequency amplifier in communication system and method of controlling the same |
| 02/14/2013 | US20130038389 Systems and Methods of RF Power Transmission, Modulation, and Amplification, Including Embodiments for Compensating for Waveform Distortion |
| 02/13/2013 | CN202738249U Hard-and-soft combined circuit board in optical network unit module |
| 02/13/2013 | CN202737818U Automatic gain control system |
| 02/13/2013 | CN202737817U Gain calibrating system of instrument amplifier |
| 02/13/2013 | CN202737813U Multimode power amplifier and corresponding mobile communication equipment |
| 02/13/2013 | CN102932301A Automatic gain control device and method for fast convergence |
| 02/13/2013 | CN102932021A Down-conversion device, down-conversion implementation method and receiver |
| 02/13/2013 | CN102931936A Vehicle-loaded sound source sound volume adjustment method and system thereof |
| 02/13/2013 | CN102931935A Low-cost program-controlled amplification circuit |
| 02/13/2013 | CN102931934A Control system for high-power electromagnetic pulse sound source |
| 02/13/2013 | CN101573877B 前端电路 Front-end circuit |
| 02/12/2013 | US8374361 Method and an apparatus for processing an audio signal |
| 02/12/2013 | US8374355 Robust and efficient frequency-domain decorrelation method |
| 02/07/2013 | US20130034246 Diffracted sound reduction device, diffracted sound reduction method, and filter coefficient determination method |
| 02/07/2013 | US20130034235 Signal processing apparatus and method for providing spatial impression |
| 02/07/2013 | US20130034194 Radio receiver |
| 02/07/2013 | US20130033327 High frequency circuit and high frequency module |
| 02/07/2013 | US20130033326 Apparatus and method for digitally-controlled automatic gain amplification |
| 02/06/2013 | EP2555424A1 Automatic step variable attenuator and radio communication device |
| 02/06/2013 | EP2553809A1 Automatic gain control acquisition in time division duplex systems |
| 02/06/2013 | CN102916713A Automatic step variable attenuator and radio communication device |
| 02/06/2013 | CN102916708A Power adjustment device of radio emitter and radio emitter |
| 02/06/2013 | CN102916667A Broadband programmable gain amplifier with step length of 2dB |
| 02/06/2013 | CN102916666A Broadband programmable gain amplifier |
| 02/06/2013 | CN102914973A Electronic combined resistor for engine controller object in loop simulation test |
| 02/06/2013 | CN102361435B Variable gain broadband low-noise amplifier |
| 02/06/2013 | CN101611545B Digital gain control |
| 02/05/2013 | US8369540 Audio signal amplification |
| 02/05/2013 | US8369539 Audio system with parental maximum volume control |
| 02/05/2013 | CA2648237C Audio gain control using specific-loudness-based auditory event detection |
| 01/31/2013 | WO2013016354A2 Method to restrict the number of cycles in a continuous j-slot in a downhole tool |
| 01/31/2013 | WO2013016325A2 Audio dynamics processing control system with exponential release response |
| 01/31/2013 | WO2013015887A1 Apparatus and method for automatic gain control |
| 01/31/2013 | WO2013014168A1 System and method for checking position and/or dimensions of mechanical pieces |
| 01/31/2013 | WO2012150565A3 Receiver of radio frequency signals |
| 01/31/2013 | US20130029627 Amplifier and associated receiver |
| 01/31/2013 | US20130029624 Method of diminishing the minimum range of operation of a communication link |
| 01/31/2013 | US20130029617 Voltage driving apparatus for power amplifier, power amplifying system, power supply device and communication device |
| 01/31/2013 | US20130028447 Musical instrument master volume amplifier |
| 01/31/2013 | US20130028446 Orientation adjusting stereo audio output system and method for electrical devices |
| 01/31/2013 | US20130028445 Method for processing audio signal and audio signal output apparatus adopting the same |
| 01/31/2013 | US20130028444 Audio device with volume adjusting function and volume adjusting method |
| 01/31/2013 | US20130028443 Devices with enhanced audio |
| 01/31/2013 | US20130027136 Variable gain amplifier system and method |
| 01/31/2013 | US20130027134 Switching regulator with variable compensation |
| 01/31/2013 | US20130027130 Collector boost |
| 01/31/2013 | US20130027129 Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information |
| 01/31/2013 | DE102012213096A1 Sendeschaltkreis, Verfahren zum Einstellen eines Bias eines Leistungsverstärkers und Verfahren zum Anpassen der Bereitstellung von Bias-Informationen Transmitter circuit, method for adjusting a bias of a power amplifier and method for adjusting the supply of bias information |
| 01/31/2013 | DE102004001094B4 Leistungsverstärkeranordnung Power amplifier arrangement |
| 01/31/2013 | CA2842523A1 Method to restrict the number of cycles in a continuous j-slot in a downhole tool |
| 01/30/2013 | EP2552017A1 A method of diminishing the minimum range of operation of a communication link |
| 01/30/2013 | EP2551952A2 Directional coupler and wireless communication device |
| 01/30/2013 | CN202713241U 自动增益控制电路 AGC circuit |
| 01/30/2013 | CN102905211A Sound output device using vacuum tube, audio apparatus and method for sound output thereof |
| 01/30/2013 | CN102904538A Automatic gain control (AGC)-based gain parameter adjustment method of audio analog signal |
| 01/30/2013 | CN102904537A Weak wireless signal amplifier of time division duplex system and control method |
| 01/30/2013 | CN102904536A Volume adjusting device and volume adjusting method |
| 01/30/2013 | CN102904534A Power amplifier and method for controlling same |
| 01/29/2013 | US8363854 Device and method for automatically adjusting gain |
| 01/29/2013 | US8363843 Methods, modules, and computer-readable recording media for providing a multi-channel convolution reverb |
| 01/29/2013 | US8362921 Vehicle external warning sound generation system and method |
| 01/29/2013 | US8362836 Incremental gain amplifier |
| 01/24/2013 | WO2013012537A1 Amplifier with improved noise reduction |
| 01/24/2013 | WO2013011903A1 Amplification circuit and amplification method |
| 01/24/2013 | US20130022218 Sound control apparatus, program, and control method |