| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 12/25/2013 | EP2676457A2 Acoustic horn gain managing |
| 12/25/2013 | EP2486662B1 Self-discovery of an rf configuration for a wireless system |
| 12/25/2013 | EP2229007B1 An apparatus for processing an audio signal and method thereof |
| 12/25/2013 | CN203368933U Flexible Bluetooth circuit board |
| 12/25/2013 | CN203368806U LED ceiling lamp with power line carrier wave sound box |
| 12/25/2013 | CN203368729U Multipurpose controllable sounder module |
| 12/25/2013 | CN203368728U 一种声音控制装置 A sound control apparatus |
| 12/25/2013 | CN203368727U Wireless throat vibration audio transmission device |
| 12/25/2013 | CN203368726U Circuit capable of adjusting pulse width of electronic horn driving signals |
| 12/25/2013 | CN203368475U Bluetooth audio adapter and audio playback device |
| 12/25/2013 | CN203366738U Audio playing device and audio playing system |
| 12/25/2013 | CN103475980A Self-adaptive acoustic-feedback-eliminating method |
| 12/25/2013 | CN103475979A Vocal accompaniment system reducing playback audio delay and method for reducing playback audio delay |
| 12/25/2013 | CN103475978A Voice output system |
| 12/25/2013 | CN103475977A Audio signal circuit |
| 12/25/2013 | CN103475976A Electronic device directional audio capture |
| 12/25/2013 | CN103475975A Audio processing device |
| 12/25/2013 | CN103473960A Multifunctional safe antenatal training device |
| 12/25/2013 | CN102394059B 乐音装置 Musical device |
| 12/25/2013 | CN102196333B Long-distance sound pickup device for video positioning |
| 12/25/2013 | CN101959099B Directional microphone device |
| 12/25/2013 | CN101883304B Compensation system for sound reproduction |
| 12/24/2013 | US8615092 Sound processing device, correcting device, correcting method and recording medium |
| 12/24/2013 | US8614733 Apparatus, system, and method of preventing leakage of information |
| 12/24/2013 | CA2486893C Programmable auditory prosthesis with trainable automatic adaptation to acoustic conditions |
| 12/19/2013 | WO2013185628A1 Device and method for audio signal uplink via audio interface |
| 12/19/2013 | WO2013185627A1 Method, device, and electronic signature tool for audio interface self-adaptation |
| 12/19/2013 | WO2013185609A1 Method and device for automatic identification of microphone pin and ground pin of audio interface |
| 12/19/2013 | WO2013185592A1 Audio interface self-adaptation device |
| 12/19/2013 | US20130336506 Noise-canceling headphone depletion-mode switch |
| 12/19/2013 | US20130336502 Audio reproduction method and apparatus with auto volume control function |
| 12/19/2013 | US20130336498 Data transfer method and system for loudspeakers in a digital sound reproduction system |
| 12/19/2013 | US20130336497 Dynamic sonic signal intensity adjustment |
| 12/19/2013 | CA2876905A1 Uplink transmission device and method for audio signal via audio interface |
| 12/19/2013 | CA2876716A1 Adaptive method and device of audio interface and electronic signature token |
| 12/19/2013 | CA2876696A1 Audio interface self-adaptation device |
| 12/19/2013 | CA2876275A1 Method and device for automatically identifying microphone pin and ground pin of audio interface and electronic signature token |
| 12/18/2013 | EP2675187A1 Graphical user interface for audio driver |
| 12/18/2013 | EP2675073A1 Adaptive equalizer, acoustic echo canceller device, and active noise control device |
| 12/18/2013 | EP2674940A1 Musical instrument case |
| 12/18/2013 | EP2673956A1 System and method for wind detection and suppression |
| 12/18/2013 | CN203352793U Speech assessment apparatus for hearing aid |
| 12/18/2013 | CN203352781U Voice signal converter of airborne collision avoidance system |
| 12/18/2013 | CN203352780U Vehicle-mounted 3D surround sound processing type digital power amplifier |
| 12/18/2013 | CN203352779U Wireless microphone system |
| 12/18/2013 | CN203352778U Touching type voice bell |
| 12/18/2013 | CN203352761U Bluetooth headset having NFC function |
| 12/18/2013 | CN203352759U An audio intensity automatic adjusting monitor matched with an earphone |
| 12/18/2013 | CN203352748U Panel type mini sound device |
| 12/18/2013 | CN203351200U Vibrating sensor and acoustics voice activity detection system (VADS) used for electronic system |
| 12/18/2013 | CN1774144B Method and device for reducing feedback in acoustic systems |
| 12/18/2013 | CN103460719A Oscillator and electronic device |
| 12/18/2013 | CN103460718A 电子设备以及信息传递系统 Electronic equipment, and information delivery systems |
| 12/18/2013 | CN103460714A Ear microphone and voltage control device for ear microphone |
| 12/18/2013 | CN103460285A Apparatus and method for geometry-based spatial audio coding |
| 12/18/2013 | CN103458345A Micro-electronic loudspeaker |
| 12/18/2013 | CN103458342A Circuit eliminating shutdown POP sound of audio power amplifier |
| 12/18/2013 | CN103458341A Audio frequency amplifier adjunct circuit used for eliminating emitter output stage |
| 12/18/2013 | CN103458340A Interference prevention device of vehicle-mounted system charging mobile terminal |
| 12/18/2013 | CN103458339A Audio output control method and electronic equipment |
| 12/18/2013 | CN103455300A Noise abatement circuit |
| 12/18/2013 | CN102510548B Output adjustment method for sound energy obtained by sound wave interaction in nonlinear medium |
| 12/18/2013 | CN102404673B Channel balance and sound field control method and device of digitalized speaker system |
| 12/18/2013 | CN102404672B Method and device for controlling channel equalization and beam of digital loudspeaker array system |
| 12/18/2013 | CN102291645B Explodent elimination circuit |
| 12/18/2013 | CN102197422B Audio source proximity estimation using sensor array for noise reduction |
| 12/18/2013 | CN101964835B Electronic system with extended function and related method thereof |
| 12/17/2013 | US8611561 First stage audio amplifier with clamping circuit |
| 12/17/2013 | US8611560 Method and device for voice operated control |
| 12/17/2013 | US8611556 Calibrating multiple microphones |
| 12/17/2013 | US8611555 Robot head with artificial ears |
| 12/17/2013 | US8611190 Bio-acoustic wave energy transducer |
| 12/16/2013 | DE202013103869U1 Ein batteriebetriebenes Audiogerät mit Befestigungselement aus schwingungsdämpfenden Material A battery-powered audio device with a fastener made of vibration damping material |
| 12/12/2013 | WO2013183185A1 Frequency characteristic transformation device |
| 12/12/2013 | WO2013183103A1 Frequency characteristic transformation device |
| 12/12/2013 | WO2013183102A1 Signal processing device |
| 12/12/2013 | WO2013183098A1 Speaker apparatus and electronic apparatus |
| 12/12/2013 | WO2013182901A1 Non-linear control of loudspeakers |
| 12/12/2013 | US20130329918 External Vibration Reduction in Bone-Conduction Speaker |
| 12/12/2013 | US20130329916 Grounding circuit for alternate audio plug designs |
| 12/12/2013 | US20130329915 Microphone features relating to a portable computing device |
| 12/12/2013 | US20130329914 Method and system of audio capture based on logarithmic conversion |
| 12/12/2013 | US20130329911 Apparatus and method for adjusting volume in terminal |
| 12/12/2013 | US20130329910 Systems and Methods for Reducing Stray Magnetic Flux |
| 12/12/2013 | US20130329909 Psychoacoustic adaptive notch filtering |
| 12/12/2013 | US20130329908 Adjusting audio beamforming settings based on system state |
| 12/12/2013 | US20130329907 Miniture electronic shotgun microphone |
| 12/12/2013 | US20130329906 Phase correcting canalphone system and method |
| 12/12/2013 | US20130329891 Sound output apparatus, audio processing apparatus, sound output method, and audio processing method |
| 12/12/2013 | DE112012001201T5 Echolöschvorrichtung und Echodetektor An echo canceling device and echo detector |
| 12/12/2013 | DE102012209563A1 Flugzeugsitz, Audiosystem und Flugzeug Airplane seat, audio system and aircraft |
| 12/11/2013 | EP2672734A1 Audio output device |
| 12/11/2013 | EP2672727A1 Electronic device |
| 12/11/2013 | EP2672726A1 Electronic device |
| 12/11/2013 | CN203340339U Laser-pen intelligent acousto-optic control system |
| 12/11/2013 | CN203340284U Mems芯片以及mems麦克风 Mems chips and mems microphones |
| 12/11/2013 | CN203340274U Audio equipment PCB module |
| 12/11/2013 | CN203340273U Mutual inductor interface circuit used for sound box |
| 12/11/2013 | CN203340272U Expansion sound equipment for mobile terminal |
| 12/11/2013 | CN203340271U Noise/speed double-control intelligent environment-protection automobile horn |