| Patents for H04R 23 - Transducers other than those covered by groups (1,562) |
|---|
| 01/18/2012 | EP2406965A2 Hybrid acoustic/electric signal converting device |
| 01/18/2012 | EP2406130A2 Complex balancing of a rotating mechanical part |
| 01/11/2012 | CN102317066A Ferroelectret double and multilayer composite and method for production thereof |
| 01/05/2012 | DE102010026112A1 Plasma tweeter e.g. teslums tweeter, for e.g. acoustic lab tests, has high voltage transformer arranged in electrical conductive pipe, where secondary coil of high voltage transformer coaxially extends to pipe |
| 01/04/2012 | CN102307325A Thermophone device |
| 12/21/2011 | EP2398255A1 Simultaneous control system for lighting and audio devices |
| 12/21/2011 | CN202085305U 一种高噪音环境下传声器 A high-noise environments microphone |
| 12/01/2011 | WO2011149222A2 Hybrid acoustic/electric signal converting device |
| 12/01/2011 | WO2011042569A3 At least partially implantable microphone |
| 11/24/2011 | WO2011145025A1 Microphone |
| 11/23/2011 | EP2389014A1 Microphone |
| 11/16/2011 | EP1546683B1 Photoacoustic detector |
| 11/09/2011 | CN1976540B Bone conductive speaker |
| 11/01/2011 | US8050569 Device for optical remote monitoring and system comprising such a device |
| 10/25/2011 | US8042255 Rapid fabrication techniques for arbitrary shape piezoelectric transducer sensors |
| 10/19/2011 | CN102223593A Packaged acoustic transducer device with shielding from electromagnetic interference |
| 10/19/2011 | CN102223588A Sound projector |
| 10/18/2011 | US8039912 Systems and methods for reduced stress anchors |
| 10/05/2011 | CN101273661B Pressure wave generator and production method therefor |
| 09/21/2011 | CN102196349A Fiber microphone with band-pass sound filter function |
| 09/21/2011 | CN102196348A Human body sound transmission apparatus |
| 09/21/2011 | CN102196347A Packaged device with acoustic transducer and amplifier |
| 08/31/2011 | EP1112670B1 Harmonic amplifier and corresponding electroacoustic transducer |
| 08/17/2011 | EP1512215B1 Electroactive polymer devices for moving fluid |
| 08/17/2011 | EP1400149B1 Systems and methods for sensing an acoustic signal using microelectromechanical systems technology |
| 08/11/2011 | DE102010000392A1 Carbon nano tube-ultrasound quick microphone for use as airborne sound detector to detect ultrasonic signals in air for e.g. medical therapy, has freely supported graphical structure for electrical conductively connecting electrodes |
| 08/11/2011 | DE102010000391A1 Device for generating ultrasound for use in carbon nano tube velocity microphone for e.g. non-coupled medical therapy, has layer comprising electrical conductive graph structure and conductively connecting two electrodes together |
| 08/10/2011 | DE202008018071U1 Schweiß- oder Lötvorrichtung mit einem Leistungsteil und einer Modulartorschaltung Welding or soldering device with a power supply and a Modulartorschaltung |
| 08/10/2011 | CN102150439A 换能器系统 Transducer system |
| 08/03/2011 | CN1976541B Bone conductive speaker |
| 07/27/2011 | CN1954640B Pressure wave generator and method for fabricating the same |
| 07/14/2011 | WO2011083760A1 Optical microphone |
| 07/06/2011 | CN1973575B Acoustic element |
| 06/30/2011 | WO2011077683A1 Electroacoustic transducer, electronic device, method for converting electronic sound, and method for outputting acoustic wave from electronic device |
| 06/30/2011 | US20110155307 Electroactive polymer manufacturing |
| 06/30/2011 | US20110154641 Electroactive polymer manufacturing |
| 06/29/2011 | EP2338287A1 Transducer system |
| 06/01/2011 | CN101587674B Outdoor directional sound advertising device |
| 06/01/2011 | CN101018426B A high-frequency air flow loudspeaker for voice broadcast |
| 05/26/2011 | US20110123199 Optical ultrasonic microphone |
| 05/25/2011 | EP2326106A1 Thermo-acoustic loudspeaker |
| 05/18/2011 | CN102065363A Sound production device |
| 05/11/2011 | CN102056066A Thermo-acoustic loudspeaker |
| 05/11/2011 | CN102056065A Sound production device |
| 05/11/2011 | CN102056064A Loudspeaker |
| 05/04/2011 | EP2317639A1 Electroactive polymer devices for moving fluid |
| 04/20/2011 | EP1449268B1 Radial power megasonic transducer |
| 04/20/2011 | CN201805548U 换能器 Transducers |
| 04/20/2011 | CN201805547U Interferometric optical fiber adapterization probe |
| 04/20/2011 | CN102026079A Sound production device |
| 04/20/2011 | CN101444026B System and method for probing sound by promoting SNR |
| 04/12/2011 | US7923064 Electroactive polymer manufacturing |
| 04/06/2011 | CN102006542A Sound generating device |
| 03/31/2011 | US20110075863 Condenser Microphone |
| 03/31/2011 | DE3319912A1 Cylindrical sonar antenna for sending and receiving acoustic waves in sea for detection of e.g. submerged ships, has elastic tube embedded parallel to transducers and made of elastomeric material |
| 03/30/2011 | EP2301261A1 Optical electro-mechanical hearing devices with separate power and signal components |
| 03/30/2011 | CN101998216A Loudspeaker and portable electronic device |
| 03/30/2011 | CN101998215A Human body sound transmission apparatus and method for minimizing signal loss |
| 03/30/2011 | CN101998214A Loudspeaker |
| 03/23/2011 | CN201774673U 换能器 Transducer |
| 03/23/2011 | CN101990152A Thermal sounding device and manufacturing method thereof |
| 03/22/2011 | US7911115 Monolithic electroactive polymers |
| 03/16/2011 | CN101242683B Digital coding and modulation airflow speaker |
| 03/16/2011 | CN101132653B Optical fiber silicon microphone system based on phase carrier modulation |
| 03/08/2011 | CA2463412C Hybrid piezoelectric and magnetostrictive actuator |
| 02/23/2011 | EP2286988A1 Ferroelectric dual and multiple layer compound and method for its manufacture |
| 02/23/2011 | EP2084489B1 Multi-phase interferometer |
| 02/17/2011 | US20110038501 Ribbon microphone unit and ribbon microphone |
| 02/16/2011 | CN201750550U Surface-undersurface combined semi-floating loudspeaking device |
| 02/16/2011 | CN201750549U Distributed interference optical fiber microphone array device based on space division multiplexing |
| 02/01/2011 | US7881157 Pressure wave generator and production method therefor |
| 01/26/2011 | CN101959110A Loudspeaker of micro-electro-mechanical system and electronic device |
| 01/12/2011 | CN101945320A Distributed interference fiber-optic microphone array device based on space division multiplexing |
| 01/12/2011 | CN101943850A Sound-producing screen and projection system using same |
| 01/05/2011 | CN101940004A Optical ultrasonic microphone |
| 12/29/2010 | WO2010150660A1 Method for producing vibrating membrane unit |
| 12/22/2010 | EP2265037A2 Devices and transducers with cavity resonator to control 3-d characteristics/harmonic frequencies for all sound/sonic waves |
| 12/22/2010 | EP2264801A2 Electroactive polymers |
| 12/22/2010 | CN101922755A Heating wall |
| 12/16/2010 | WO2010143380A1 Sound wave generator, method of producing same, and method of generating sound wave using sound wave generator |
| 12/09/2010 | US20100307036 Greeting card having karaoke record feature and simultaneous playback |
| 12/09/2010 | DE102007003810B4 Ultraschallwellen-Erzeugungsvorrichtung Ultrasonic wave generating device |
| 12/08/2010 | CN101909236A Spherical regular dodecahedron sound source used for near-field HRTF measurement and design method thereof |
| 11/24/2010 | EP1916870B1 Pressure wave generator and production method therefor |
| 11/17/2010 | CN201639775U Micro electro mechanical system energy converter encapsulation structure |
| 10/26/2010 | CA2457325C Amplified tree structure technology for fiber optic sensor arrays |
| 10/14/2010 | WO2010116398A1 Optical ultrasonic microphone |
| 10/14/2010 | US20100260359 Thermoacoustic module, thermoacoustic device, and method for making the same |
| 10/14/2010 | US20100260358 Thermoacoustic module, thermoacoustic device, and method for making the same |
| 10/14/2010 | US20100260357 Thermoacoustic module, thermoacoustic device, and method for making the same |
| 10/07/2010 | US20100254563 System and method for securing headphone transducers |
| 10/06/2010 | CN101854577A Thermotropic sound production device |
| 09/29/2010 | CN101849182A Ultrasonic detection device, ultrasonic detection method, and atomic power plant nondestructive inspection method |
| 09/22/2010 | CN101841759A Thermo-acoustic device |
| 09/16/2010 | WO2010103194A2 Mechanical movements adjusted by electromagnetic probe |
| 09/16/2010 | WO2010103193A2 Complex balancing of a rotating mechanical part |
| 09/16/2010 | CA2755295A1 Complex balancing of a rotating mechanical part |
| 09/08/2010 | EP1221180B1 Electroactive polymers |
| 09/01/2010 | CN101820573A Control device for plasma loudspeaker and plasma loudspeaker |
| 09/01/2010 | CN101820572A Thermoacoustic device |