| Patents for H04R 23 - Transducers other than those covered by groups (1,562) |
|---|
| 04/30/2014 | CN101771914B Sounding module and sounding device using same |
| 04/17/2014 | US20140105428 Component having a micromechanical microphone structure |
| 04/16/2014 | CN102307325B Thermophone device |
| 04/10/2014 | WO2012051352A3 Acoustic transducer including airfoil for generating sound |
| 03/26/2014 | EP2710335A1 Optical sensor |
| 03/26/2014 | CN102006542B Sound generating device |
| 03/20/2014 | WO2014041605A1 Speaker system |
| 03/19/2014 | CN203485790U Bone conduction sound transmission seat |
| 03/13/2014 | US20140072151 Mems microphone package with molded interconnect device |
| 03/13/2014 | DE102012215897A1 Transducer device i.e. microelectromechanical system microphone, has coil formed to induce eddy current to membrane, for determination of sound pressure represented by acoustic signal depending on eddy current and impedance of coil |
| 03/13/2014 | DE102012215892A1 Sound transducer device for use in e.g. digital speaker, has thermo-acoustic transducer units which are formed on one substrate comprising semiconductor material |
| 03/12/2014 | CN103634728A Plasma loudspeaker |
| 03/06/2014 | US20140064499 Content processing apparatus and method using sound |
| 03/05/2014 | CN101783995B Thermoacoustic device |
| 02/27/2014 | WO2014030192A1 Silica porous body and optical microphone |
| 02/27/2014 | US20140056590 Porous silica material and optical microphone |
| 02/25/2014 | US8659100 MEMS component having a diaphragm structure |
| 02/20/2014 | US20140050489 Optical microphone |
| 02/20/2014 | US20140050338 Acoustic sensor and microphone |
| 02/13/2014 | US20140044286 Dynamic speaker selection for mobile computing devices |
| 02/06/2014 | US20140037126 Electrically conductive membrane pump/transducer and methods to make and use same |
| 02/06/2014 | US20140037120 Microphone Assembly |
| 02/06/2014 | US20140037116 Method for Fabricating a Cavity Structure, for Fabricating a Cavity Structure for a Semiconductor Structure and a Semiconductor Microphone Fabricated by the Same |
| 02/05/2014 | CN103562684A 光学传感器 The optical sensor |
| 01/15/2014 | CN101998214B Loudspeaker |
| 01/09/2014 | US20140007693 Capacitive transducer |
| 01/02/2014 | US20140003633 Mems microphone and forming method therefor |
| 01/02/2014 | US20140003624 Acoustic element |
| 12/25/2013 | CN103475984A Thermo-acoustic device |
| 12/11/2013 | CN103442320A Loudspeaker |
| 12/11/2013 | CN103434424A Bone conduction sound transmission seat |
| 12/11/2013 | CN101820572B Thermoacoustic device |
| 12/11/2013 | CN101820571B 扬声器系统 Speaker system |
| 11/21/2013 | US20130308957 Optical microphone |
| 11/20/2013 | EP2664163A2 At least partially implantable microphone |
| 11/20/2013 | EP1961260B1 Apparatus for measuring acoustic pressure |
| 11/13/2013 | CN102065363B Sound production device |
| 11/06/2013 | CN102056064B Loudspeaker |
| 11/06/2013 | CN101998215B Human body sound transmission apparatus and method for minimizing signal loss |
| 11/06/2013 | CN101771917B Sounding device |
| 10/30/2013 | CN103380630A 光学麦克 Optical Mike |
| 10/24/2013 | US20130277317 Acoustophoretic enhanced system for use in tanks |
| 10/17/2013 | DE102012007436A1 Verfahren und Vorrichtung zur akustischen Ermittlung der Gangart eines Huftieres, insbesondere Nutztieres Method and apparatus for determining the acoustic gait of a hoofed animal, especially domestic animal |
| 10/10/2013 | WO2013150326A1 Passive wireless microphone |
| 10/10/2013 | US20130265856 Thermoacoustic sensor |
| 09/05/2013 | US20130230329 Optical microphone |
| 09/05/2013 | US20130228937 Micromechanical Sound Transducer Arrangement and a Corresponding Production Method |
| 08/29/2013 | DE102012202921A1 Acoustic transducer e.g. direct digital transducer used in integrated switching circuit, has control device divides received digital audio data into individual samples and controls spark gap devices according to respective samples |
| 08/28/2013 | CN203167267U Thermoacoustic device |
| 08/28/2013 | CN101990152B Thermal sounding device and manufacturing method thereof |
| 08/28/2013 | CN101713531B Sounding type lighting device |
| 08/21/2013 | EP2628309A2 Acoustic transducer including airfoil for generating sound |
| 08/21/2013 | EP2627408A1 Audio-optical arrangement, accessory, earpiece unit and audio device |
| 08/21/2013 | CN101783994B Thermoacoustic device |
| 08/21/2013 | CN101771918B Thermal sounding device |
| 08/21/2013 | CN101771915B Sounding device |
| 08/21/2013 | CN101771906B Loudspeaker |
| 08/13/2013 | US8508109 Electroactive polymer manufacturing |
| 08/06/2013 | US8503930 Signal transmission via body conduction |
| 07/31/2013 | CN101610445B Sounding device |
| 07/31/2013 | CN101605291B 声音传输系统 Sound transmission system |
| 07/24/2013 | CN103222282A 光学麦克风 Optical Microphone |
| 07/18/2013 | DE102008038883B4 Mikrofonanordnung Microphone array |
| 07/10/2013 | CN203057431U Single-magnet bone-conduction headphone device |
| 07/10/2013 | CN103200510A Wavelength division multiplexing device of optical fiber microphone based on FP interferometry principle |
| 07/10/2013 | CN101820573B Control device for plasma loudspeaker and plasma loudspeaker |
| 07/03/2013 | CN101605289B Sounding device |
| 06/26/2013 | CN103179236A Mobile terminal |
| 06/20/2013 | WO2013089180A1 Acoustic wave generating device and method for producing acoustic wave generating device |
| 06/20/2013 | US20130156253 Electrodynamic speaker structure having mems technology |
| 06/19/2013 | CN101783996B Thermoacoustic device |
| 06/12/2013 | CN103154683A Optical microphone |
| 06/12/2013 | CN103152685A F-P (Fabry-Perot) interference principle-based optical fiber microphone |
| 06/12/2013 | CN103152684A Optical-fiber microphone probe |
| 06/11/2013 | US8461656 Device structures for in-plane and out-of-plane sensing micro-electro-mechanical systems (MEMS) |
| 06/06/2013 | US20130142519 Optical microphone |
| 06/05/2013 | CN101599268B Sound-producing device and sound-producing element |
| 06/04/2013 | US8457339 Loudspeaker assembly |
| 05/16/2013 | WO2013069865A1 Hybrid acoustic/electric signal converting device which is reverse type |
| 05/02/2013 | WO2013061578A1 Optical microphone |
| 05/01/2013 | CN103080008A Porous silica body, and optical microphone using same |
| 04/25/2013 | US20130100989 Multi-functional weather alert communication key chain |
| 04/24/2013 | CN101943850B Sound-producing screen and projection system using same |
| 04/24/2013 | CN101771922B Sounding device |
| 04/24/2013 | CN101754080B Sound-generating device |
| 04/24/2013 | CN101605292B Sounding device and sounding component |
| 04/10/2013 | EP2579618A1 Hearing device with receiver for optical signal transmission |
| 04/03/2013 | CN101778326B Flexible cold-light electroacoustic actuator and electronic device using electroacoustic actuator |
| 03/20/2013 | CN202818599U 骨导传声器 Bone conduction microphone |
| 03/20/2013 | CN101656907B Sound box |
| 03/20/2013 | CN101610442B Sounding device |
| 03/19/2013 | US8398551 Capacitive ultrasonic transducer, production method thereof, and capacitive ultrasonic probe |
| 03/07/2013 | WO2013032821A1 Piezoelectric microphone fabricated on glass |
| 03/07/2013 | WO2013032820A1 Piezoelectric microphone fabricated on glass |
| 02/28/2013 | WO2013027373A1 Optical microphone |
| 02/27/2013 | CN202759588U Pair piezoelectric bone conduction microphone |
| 02/13/2013 | CN102932725A Portable bond-conduction audio-vibration fetus education device |
| 02/13/2013 | CN101945320B Distributed interference fiber-optic microphone array device based on space division multiplexing |
| 02/13/2013 | CN101754079B Sound-generating device |
| 02/13/2013 | CN101715160B Flexible sound producing device and sound producing flag |