| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 09/12/2013 | WO2013134025A1 Noise optimized envelope tracking system for power amplifiers |
| 09/12/2013 | WO2013133121A1 Acoustic signal processing system |
| 09/12/2013 | WO2013131966A2 Receiving stage and method for receiving |
| 09/12/2013 | US20130236032 Adjusting a data rate of a digital audio stream based on dynamically determined audio playback system capabilities |
| 09/11/2013 | EP2637421A2 Earphone jack drive circuit |
| 09/11/2013 | EP2637390A1 Method and device for automatically adjusting sound volume |
| 09/11/2013 | EP2637307A1 Mute drive circuit |
| 09/11/2013 | CN203193642U Optically-controlled digital-display intelligent optical receiver |
| 09/11/2013 | CN203193577U Audio processor |
| 09/11/2013 | CN203193572U Low-voltage driving integrated amplifier for automobile control circuit |
| 09/11/2013 | CN103299656A 动态麦克风信号混合器 Dynamic microphone signal mixer |
| 09/11/2013 | CN103297072A Wireless communication receiver and automatic gain control method thereof |
| 09/11/2013 | CN103296986A Automatic gain control method and device |
| 09/11/2013 | CN101997499B AGC (Automatic Gain Control) circuit for transimpedance amplifier |
| 09/11/2013 | CN101729030B D class amplifier and control method thereof |
| 09/10/2013 | US8532314 Audio volume control circuit and method thereof |
| 09/10/2013 | US8532313 Audio processing system for an audio output device |
| 09/10/2013 | US8531414 Bump suppression |
| 09/06/2013 | WO2013128229A1 Method and device for determining the gain distribution between the analog and the digital stages of a radio receiver |
| 09/05/2013 | US20130231155 Dynamic real-time calibration for antenna matching in a radio frequency receiver system |
| 09/05/2013 | US20130230198 Amplification of a speech signal in dependence on the input level |
| 09/05/2013 | US20130230193 Method and apparatus for adjusting volume using distance sensors |
| 09/05/2013 | US20130230192 Electronic device, control volume system and method |
| 09/05/2013 | US20130230191 Method for enhancing low frequences in a digital audio signal |
| 09/05/2013 | US20130229229 Device and method for increasing output efficiency of mobile communication terminal |
| 09/05/2013 | US20130229228 Noise Optimized Envelope Tracking System for Power Amplifiers |
| 09/04/2013 | CN203177959U Process quantity signal pretreatment device for rotating machinery monitoring system |
| 09/04/2013 | CN103281043A Terminal volume adjusting device and adjusting method |
| 09/04/2013 | CN103281038A Wideband low noise amplifier |
| 09/04/2013 | CN101814902B Gain control circuit and method |
| 09/03/2013 | US8526638 Gain control circuit and electronic volume circuit |
| 09/03/2013 | US8526637 Volume control apparatus and program of volume control apparatus |
| 09/03/2013 | US8525093 Automatic set-up for instrument functions |
| 08/29/2013 | WO2013124660A1 Received signal quality indicator |
| 08/29/2013 | US20130225107 Wireless device with filters to support co-existence in adjacent frequency bands |
| 08/29/2013 | US20130223649 Load current sensing |
| 08/29/2013 | US20130222053 High frequency smart buffer |
| 08/29/2013 | DE19581856B3 Temperaturkompensation für Bauteile von integrierten Schaltungen auf der Halbleiterplättchen-Stufe Temperature compensation for components of integrated circuits on the wafer stage |
| 08/29/2013 | DE102012203026A1 Hochfrequenzsender RF transmitter |
| 08/29/2013 | DE102004006552B4 Verfahren zur Kontrolle eines Hochfrequenz-Leistungsverstärkers, Hochfrequenzeinrichtung, Hochfrequenzkontrolleinrichtung und Magnetresonanztomographiesystem A method for controlling a high-frequency power amplifier, high frequency device, high frequency control device and magnetic resonance imaging system |
| 08/29/2013 | DE102004006550B4 Verfahren zur Kontrolle eines Hochfrequenz-Leistungsverstärkers, Hochfrequenzeinrichtung, Hochfrequenz-Kontrolleinrichtung und Magnetresonanztomographiesystem A method for controlling a high-frequency power amplifier, high frequency device, high-frequency control device and magnetic resonance imaging system |
| 08/28/2013 | EP2631907A1 Method and apparatus for audio intelligibility enhancement |
| 08/28/2013 | EP2630728A1 Switch used in programmable gain amplifilier and programmable gain amplifilier |
| 08/28/2013 | CN203166836U Amplifier with pass-through mode |
| 08/28/2013 | CN103270773A Audio control device and image capture device |
| 08/28/2013 | CN101437573B Automatic external defibrillator with enhanced clarity of audible prompts |
| 08/27/2013 | US8520872 Apparatus and method for sound processing in a virtual reality system |
| 08/27/2013 | US8520859 System for comfort noise injection |
| 08/27/2013 | US8520207 Detection system for birefringence measurement |
| 08/27/2013 | US8519788 Boost charge-pump with fractional ratio and offset loop for supply modulation |
| 08/27/2013 | US8519786 Variable gain amplifier with fixed bandwidth |
| 08/27/2013 | CA2635154C Feedback limiter with adaptive time control |
| 08/22/2013 | WO2013122701A1 Monobit receiver spurious harmonics control method and system |
| 08/22/2013 | US20130216066 Audio submix management |
| 08/22/2013 | US20130216054 Vehicular active sound effect generating apparatus |
| 08/22/2013 | US20130216053 Apparatus and method for modifying an audio signal using envelope shaping |
| 08/22/2013 | US20130216009 Channel-sensitive power control |
| 08/22/2013 | US20130215995 Apparatus and method for amplifying a signal from a transmitter |
| 08/22/2013 | US20130214857 Self-Calibrating Gain Control System |
| 08/21/2013 | CN103262409A Dynamic compensation of audio signals for improved perceived spectral imbalances |
| 08/21/2013 | CN103259498A Variable gain amplifier system |
| 08/21/2013 | CN101867350B Zero-intermediate-frequency/low-intermediate-frequency configurable variable gain amplifier |
| 08/21/2013 | CN101262262B Power amplifier circuit, control method thereof and control program thereof |
| 08/20/2013 | US8515257 Automatic announcer voice attenuation in a presentation of a televised sporting event |
| 08/20/2013 | US8515104 Binaural filters for monophonic compatibility and loudspeaker compatibility |
| 08/20/2013 | US8515087 Apparatus for processing an audio signal and method thereof |
| 08/20/2013 | US8515085 Signal processing apparatus |
| 08/20/2013 | US8514017 Variable gain amplifier and audio device |
| 08/20/2013 | US8514016 Single die power amplifier with closed loop power control |
| 08/20/2013 | CA2585937C Unnatural reverberation |
| 08/15/2013 | WO2013117927A1 Audio signal switching |
| 08/15/2013 | US20130208919 Method and apparatus to automatically control audio volume |
| 08/15/2013 | US20130208916 Multichannel speaker enclosure |
| 08/15/2013 | US20130208912 Simulation of engine sounds in silent vehicles |
| 08/15/2013 | US20130208609 Reducing network acquisition time |
| 08/15/2013 | US20130207725 Resonator circuit and amplifier circuit |
| 08/14/2013 | CN203135846U Photoelectric signaling conversion circuit and plasma television touch control pen |
| 08/14/2013 | CN103248330A Programmable gain amplifier with high gain accuracy |
| 08/13/2013 | US8509707 Wireless communications device, gaming controller and integrated circuits with millimeter wave transceiver and methods for use therewith |
| 08/13/2013 | US8509684 Microwave frequency converter |
| 08/13/2013 | US8509458 Portable electronic apparatus and sound output-controlling program |
| 08/13/2013 | US8509457 Tone balance volume control |
| 08/13/2013 | US8509456 Level adjusting circuit |
| 08/13/2013 | US8508297 Envelope amplifier |
| 08/08/2013 | WO2013115979A1 Motion based compensation of uplinked audio |
| 08/08/2013 | WO2013061252A3 Post-filter common-gain determination |
| 08/08/2013 | US20130203370 Wireless communication receiver and method thereof |
| 08/08/2013 | US20130202132 Motion Based Compensation of Downlinked Audio |
| 08/08/2013 | US20130202131 Signal processing apparatus, signal processing method, program,signal processing system, and communication terminal |
| 08/08/2013 | US20130202130 Motion Based Compensation of Uplinked Audio |
| 08/08/2013 | US20130202125 Electronic device with digital reverberator and method |
| 08/08/2013 | US20130201398 Mixer and multichannel audio interface for a tablet computer |
| 08/08/2013 | US20130201272 Two mode agc for single and multiple speakers |
| 08/08/2013 | US20130200954 Bemf monitor gain calibration stage in hard disk drive servo integrated circuit |
| 08/08/2013 | US20130200949 Timing alignment for modulated supply |
| 08/08/2013 | DE102008016154B4 Verfahren zur Kompensation von Verstärkungsänderungen bei einer Verstärkerschaltung A method for compensating for changes in gain of an amplifier circuit |
| 08/08/2013 | DE102006035663B4 Schaltungsanordnung Circuitry |
| 08/07/2013 | EP2624449A1 Peak detection when adapting a signal gain based on signal loudness |
| 08/07/2013 | CN103236822A All-direction closing starting method for flexible four-axis platform |
| 08/07/2013 | CN101620855B Speech sound enhancement device |