| Patents for H04R 3 - Circuits for transducers (18,190) |
|---|
| 09/21/2011 | CN102196346A Wireless frequency modulation microphone manufactured by muPC1651 integrated circuit |
| 09/21/2011 | CN102196337A Intelligent digital sound system equipment |
| 09/21/2011 | CN102196336A Audio power management system |
| 09/21/2011 | CN102196333A Long-distance sound pickup device for video positioning |
| 09/21/2011 | CN102196327A Wireless digital microphone system |
| 09/21/2011 | CN102196079A Mobile phone and working method thereof |
| 09/21/2011 | CN101056477B Radio attached audio energy converter |
| 09/20/2011 | US8023667 Micro-electro-mechanical systems (MEMS) capacitive sensing circuit |
| 09/20/2011 | US8023665 Microphone-tailored equalizing system |
| 09/17/2011 | CA2733684A1 Audio power management system |
| 09/15/2011 | WO2011111125A1 Signal processing device and digital output microphone unit |
| 09/15/2011 | WO2011110901A1 Apparatus, method and computer program for controlling an acoustic signal |
| 09/15/2011 | US20110222708 Biology-inspired miniature system and method for sensing and localizing acoustic signals |
| 09/15/2011 | US20110222707 Sound source localization system and method |
| 09/15/2011 | DE102010046276A1 Filter arrangement for speaker system that is utilized as satellite-subwoofer-system, has high tone group comprising delay element, where filter corner frequencies and filter qualities are adapted to delay time of delay element |
| 09/15/2011 | DE102009029367A1 Verfahren und Vorrichtung zur Analyse und Abstimmung akustischer Eigenschaften einer Kfz-Freisprecheinrichtung Method and apparatus for analyzing and tuning acoustic properties of a car kit |
| 09/14/2011 | EP1743504B1 System for limiting loudspeaker displacement |
| 09/14/2011 | CN201976243U 一种基于蓝牙语音通信技术的防噪对讲装置 Based on Bluetooth technology, noise canceling intercom voice communication device |
| 09/14/2011 | CN201976236U 一种多功能耳机 A multifunctional headphones |
| 09/14/2011 | CN201976227U 一种新型的多功能音箱 A new multi-function speaker |
| 09/14/2011 | CN201976225U 灯光音响 Lighting and sound |
| 09/14/2011 | CN201975073U 家庭音响网络娱乐系统 Home audio entertainment system network |
| 09/14/2011 | CN1972524B Music file replaying method and apparatus |
| 09/14/2011 | CN1659608B Multi-section decoding lens |
| 09/14/2011 | CN102186131A Audio-to-photoelectric coupling multi-stage remote control and local control technical method |
| 09/14/2011 | CN102186130A Slew rate control driving circuit |
| 09/14/2011 | CN102186128A Antistatic and anti-radio frequency interference microphone and mobile terminal |
| 09/14/2011 | CN102185992A Bidirectional active denoising device for mobile phone |
| 09/14/2011 | CN101425649B Electrical volume control using contacts on rotatable connector, and method |
| 09/14/2011 | CN101111094B Noise preventing module and its public address set |
| 09/13/2011 | US8019096 Electronic device and external equipment with configurable audio path circuitry |
| 09/13/2011 | US8019092 Aural device with white noise generator |
| 09/12/2011 | CA2731066A1 Automatic correction of loudness level in audio signals |
| 09/08/2011 | US20110216093 System and method for activating components on an electronic device using orientation data |
| 09/08/2011 | DE102010010309A1 Speaker arrangement installed in station hall, has planar acoustic baffle having apertures in which wideband speakers are arranged, which is provided in sound radiating cabinet, by forming dipole radiator in sound radiating cabinet |
| 09/08/2011 | DE102010010102A1 Electronic device for controlling voice coil of electro-dynamic speaker mounted in car, has segmentation unit which is connected to coil, such that active and passive segments of coil are respectively laid in and outside of air gap |
| 09/08/2011 | DE102010009888A1 Kommunikationsverbesserung in Fahrzeugen Improve communication in vehicles |
| 09/07/2011 | EP2364037A2 Adaptive notch filter with variable bandwidth, and method and apparatus for canceling howling by using the adaptive notch filter with variable bandwidth |
| 09/07/2011 | EP2362997A1 Dynamic volume control and multi-spatial processing protection |
| 09/07/2011 | CN201967187U 一种声控感应系统 One kind of voice-activated sensor system |
| 09/07/2011 | CN201967105U 一种音响播放器 An acoustic player |
| 09/07/2011 | CN201967104U 一种移频抗干扰隐蔽耳机系统 One kind of covert interference frequency shift Headset System |
| 09/07/2011 | CN201967089U 一种音箱 One kind of speaker |
| 09/07/2011 | CN201966875U 用于放大器的增益控制装置、音频处理装置 Gain control means for the amplifier, the audio processing unit |
| 09/07/2011 | CN201965907U 麦克风装置 Microphone device |
| 09/07/2011 | CN102177732A Directivity microphone device |
| 09/07/2011 | CN102177730A System for picking-up a user's voice |
| 09/07/2011 | CN101238511B Sound source separating device, speech recognizing device, portable telephone, and sound source separating method, and program |
| 09/07/2011 | CN101129091B Array speaker apparatus |
| 09/06/2011 | US8014549 Dynamic range compression using digital frequency warping |
| 09/01/2011 | WO2011105073A1 Sound processing device and sound processing method |
| 09/01/2011 | WO2011104655A1 Audio source localization |
| 09/01/2011 | WO2011104418A1 Modifying spatial image of a plurality of audio signals |
| 09/01/2011 | US20110211714 Antenna unit and wireless transmission and/or receiving unit |
| 09/01/2011 | DE102010009459A1 Hörvorrichtung mit parallel betriebenen Rückkopplungsreduktionsfiltern und Verfahren Hearing apparatus operated in parallel with feedback reduction filters and methods |
| 08/31/2011 | EP2362682A1 Display apparatus and control method thereof |
| 08/31/2011 | EP2362681A1 Method and device for phase-dependent processing of sound signals |
| 08/31/2011 | EP2362680A1 Electronic device for receiving and transmitting audio signals |
| 08/31/2011 | EP2362677A2 Earphone microphone |
| 08/31/2011 | CN201957229U Automobile sound system with reversing radar function |
| 08/31/2011 | CN201957228U 一种音响外置功放线控器 An acoustic external amplifier wired remote control |
| 08/31/2011 | CN201957215U 耳机以及包含该耳机的音频播放器 Headphones and audio player that contains the headphones |
| 08/31/2011 | CN201957211U 单节电池制作的调频无线话筒 Single battery FM wireless microphone making |
| 08/31/2011 | CN201957204U 一种蓝牙音箱 Bluetooth speaker |
| 08/31/2011 | CN201957199U 一种复用音箱中机械特性的金属线作为接收天线的装置 A multiplex speaker wire mechanical properties as means receiving antenna |
| 08/31/2011 | CN201956678U 一种喇叭过压保护电路及喇叭 One kind of speaker and speaker protection circuit |
| 08/31/2011 | CN102172044A Control method and apparatus for audio output |
| 08/31/2011 | CN102172043A Acoustic reproduction device |
| 08/31/2011 | CN102170602A Active noise reduction system |
| 08/31/2011 | CN102170601A Sound source switching device and sound source switching method |
| 08/30/2011 | US8010354 Noise cancellation system, speech recognition system, and car navigation system |
| 08/30/2011 | US8009843 Microphone circuit |
| 08/30/2011 | US8009841 Handsfree communication system |
| 08/30/2011 | US8009840 Microphone calibration with an RGSC beamformer |
| 08/25/2011 | WO2011103488A1 Microphone array subset selection for robust noise reduction |
| 08/25/2011 | WO2011101708A1 Processing of multi-device audio capture |
| 08/25/2011 | US20110206219 Electronic device for receiving and transmitting audio signals |
| 08/25/2011 | US20110205057 Personal security backpack and method |
| 08/24/2011 | EP2360941A1 Speaker system and speaker driving circuit |
| 08/24/2011 | EP2360940A1 Steerable microphone array system with a first order directional pattern |
| 08/24/2011 | EP2360939A1 Sound collection device |
| 08/24/2011 | EP2360938A1 Sound plate and electronic device employing the same |
| 08/24/2011 | CN201947439U 一种用与非门电路制作的调频无线话筒 One kind produced by the NAND gate circuit FM wireless microphone |
| 08/24/2011 | CN201947431U 一种mems麦克风芯片 One kind mems microphone chip |
| 08/24/2011 | CN201947418U 一种mems麦克风 One kind mems microphones |
| 08/24/2011 | CN201946308U 用整角技术拓宽声场提高清晰度avi影音播放机 Broaden the sound field using technology to improve the clarity of the whole angle avi video player |
| 08/24/2011 | CN1608393B High efficiency driver for miniature loudspeakers |
| 08/24/2011 | CN102165795A Self-steering directional hearing aid and method of operation thereof |
| 08/24/2011 | CN102165792A Loop gain estimating apparatus and howling preventing apparatus |
| 08/24/2011 | CN102165791A Dual-mode loudspeaker |
| 08/24/2011 | CN102165709A Signal processing method, signal processing device, and signal processing program |
| 08/24/2011 | CN102165708A Signal processing method, signal processing device, and signal processing program |
| 08/24/2011 | CN102165521A Multiple microphone switching and configuration |
| 08/24/2011 | CN102164329A Noise eliminating assembly and method |
| 08/24/2011 | CN102164328A Audio input system used in home environment based on microphone array |
| 08/24/2011 | CN102164326A Earphone microphone |
| 08/24/2011 | CN101521015B Method for reducing sound echo, relevant echo eliminating device and speech device |
| 08/23/2011 | US8005243 Parameter display controller for an acoustic signal processing apparatus |
| 08/23/2011 | US8005242 Alternative sensing circuit for MEMS microphone and sensing method thereof |
| 08/23/2011 | US8005241 Mute circuit for a microphone |