| Patents for H04R 19 - Electrostatic transducers (5,387) |
|---|
| 05/16/2013 | US20130121509 Sound Transducer with Interdigitated First and Second Sets of Comb Fingers |
| 05/16/2013 | DE102012220819A1 Schallwandler mit einer ersten und einer zweiten menge von ineinandergreifenden kammfingern Transducer with a first and a second set of interdigitated comb fingers |
| 05/15/2013 | EP2592844A1 Microphone unit |
| 05/15/2013 | CN202940962U Two-terminal MEMS microphone |
| 05/15/2013 | CN202940961U Electret microphone picking up differential signal |
| 05/15/2013 | CN103108274A Electret condenser microphone |
| 05/15/2013 | CN103107782A High-gain front-arranged amplifier for electret electrochemical machining (ECM) microphone |
| 05/15/2013 | CN102088652B Electroactive polymer transducers |
| 05/14/2013 | US8442243 Ribbon microphone |
| 05/10/2013 | WO2013066343A1 Embedded dielectric as a barrier in an acoustic device and method of manufacture |
| 05/10/2013 | WO2013065365A1 Ultrasonic oscillator element and ultrasonic endoscope |
| 05/10/2013 | WO2013028399A3 Acoustic apparatus and method of manufacturing |
| 05/08/2013 | DE102010006132B4 Miniaturisiertes elektrisches Bauelement mit einem Stapel aus einem MEMS und einem ASIC Miniaturized electrical component comprising a stack of a MEMS and an ASIC |
| 05/08/2013 | CN202931551U MEMS microphone |
| 05/08/2013 | CN202931550U MEMS microphone |
| 05/08/2013 | CN202931549U Mems microphone |
| 05/08/2013 | CN202931548U Area change control type capacitor microphone |
| 05/08/2013 | CN202931547U Mems microphone |
| 05/08/2013 | CN202931546U Novel electret microphone housing and novel electret microphone |
| 05/08/2013 | CN103097282A Air cavity package configured to electrically couple to a printed circuit board and method of providing same |
| 05/08/2013 | CN101860778B Amplifier circuit of capacitor microphone |
| 05/08/2013 | CN101815235B Miniature MEMS condenser microphone packages and fabrication method thereof |
| 05/02/2013 | WO2013063074A1 Vented microphone module |
| 05/02/2013 | US20130108087 Electrostatic loudspeaker |
| 05/02/2013 | US20130108086 Electrostatic loudspeaker |
| 05/02/2013 | US20130108084 MEMS Microphone with Spring Suspended Backplate |
| 05/01/2013 | EP2587834A1 Microphone unit |
| 05/01/2013 | EP2587832A1 Microphone unit |
| 05/01/2013 | CN202918494U Undirectional electret capacitor microphone |
| 05/01/2013 | CN103079157A Impedance transformation and signal amplifier of integrated vocal cavity and capacitance type microphone |
| 04/25/2013 | WO2013025914A3 Sensitivity adjustment apparatus and method for mems devices |
| 04/24/2013 | EP2584793A2 Electret condenser microphone |
| 04/24/2013 | CN202907177U 麦克风电路及移动终端 Microphone circuit and the mobile terminal |
| 04/24/2013 | CN1909742B 防水话筒 Waterproof microphone |
| 04/24/2013 | CN103069844A Ultrasound probe and ultrasound diagnostic device using same |
| 04/24/2013 | CN103069838A 麦克风单元 Microphone unit |
| 04/24/2013 | CN101808263B Silicon capacitor microphone and method for manufacturing same |
| 04/24/2013 | CN101646118B Flexible actuator |
| 04/24/2013 | CN101572849B Silica-based microphone |
| 04/18/2013 | US20130094689 Microphone Unit, Method of Manufacturing Microphone Unit, Electronic Apparatus, Substrate for Microphone Unit and Method of Manufacturing Substrate for Microphone Unit |
| 04/18/2013 | US20130094676 Electret Condenser Microphone |
| 04/18/2013 | US20130094674 Compact, highly integrated microphone assembly |
| 04/18/2013 | DE102011084541A1 Mikro-elektromechanisches Lautsprecherarray und Verfahren zum Betreiben eines mikro-elektromechanischen Lautsprecherarrays Micro-electro-mechanical speaker array, and method for operating a micro-electro-mechanical speaker array |
| 04/18/2013 | DE102011084393A1 Mikromechanische Funktionsvorrichtung, insbesondere Lautsprechervorrichtung, und entsprechendes Herstellungsverfahren Micromechanical device function, particularly the speaker apparatus, and corresponding method of production |
| 04/17/2013 | EP2582156A2 Electrostatic loudspeaker with membrane performing out-of-plane displacement |
| 04/17/2013 | EP2582155A2 Microphone unit and method of manufacturing microphone unit |
| 04/17/2013 | CN202889624U Capacitor-type microphone |
| 04/17/2013 | CN202889623U Capacitor-type microphone with dust screen |
| 04/17/2013 | CN202889622U Electret microphone |
| 04/17/2013 | CN202889621U Interface system for vehicle-mounted electret microphone |
| 04/17/2013 | CN103052011A Micromechanical functional apparatus, particularly a loudspeaker apparatus, and appropriate method of manufacture |
| 04/17/2013 | CN103052010A Microelectromechanical loudspeaker array, and method for operating a microelectromechanical loudspeaker array |
| 04/17/2013 | CN101690264B Acoustic sensor |
| 04/11/2013 | US20130089224 Electrostatic loudspeaker with membrane performing out-of-plane displacement |
| 04/11/2013 | DE102007042384B4 Verfahren zur Herstellung eines Formteils mit integriertem elektrostatischen Flächenlautsprecher A process for producing a molded part with integrated electrostatic panel loudspeaker |
| 04/10/2013 | EP2579617A1 Acoustic transducer, and microphone using the acoustic transducer |
| 04/10/2013 | EP2579616A1 Acoustic sensor, acoustic transducer, microphone using the acoustic transducer, and method for producing acoustic transducer |
| 04/10/2013 | CN202873053U Microphone |
| 04/10/2013 | CN202873052U Electret capacitor microphone without back electrode plate |
| 04/10/2013 | CN103039091A Backplate for microphone |
| 04/10/2013 | CN103037297A MEMS (Micro Electro Mechanical System) microphone and making method thereof |
| 04/10/2013 | CN103037296A Low voltage frequency modulation wireless microphone |
| 04/10/2013 | CN103037295A High-performance amplitude modulation wireless microphone |
| 04/04/2013 | WO2013044551A1 Magnet yoke apparatus for moving iron type microphone/transducer |
| 04/04/2013 | WO2013044548A1 Moving iron type microphone unit |
| 04/03/2013 | CN202856971U 驻极体麦克风 Electret microphone |
| 04/03/2013 | CN103026732A Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith |
| 04/03/2013 | CN103024651A MEMS (micro-electro-mechanical system) microphone and method for manufacturing same |
| 04/03/2013 | CN101729965B Flat speaker unit and speaker device therewith |
| 03/28/2013 | WO2013043374A1 Circuit and apparatus for connecting a mems microphone with a single line |
| 03/27/2013 | EP2572515A1 Split-membrane 3d stereomicrophone |
| 03/27/2013 | CN202841518U MEMS (micro electro mechanical systems) microphone wiring board |
| 03/27/2013 | CN103002389A Acoustic receiving device |
| 03/27/2013 | CN102227790B Process for production of electret material |
| 03/27/2013 | CN102038310B Cap with function of playing sound |
| 03/21/2013 | WO2013039239A1 Semiconductor device and microphone |
| 03/20/2013 | CN202818598U Capacitive telephone receiver with plurality of ventilation trenches |
| 03/20/2013 | CN202818597U Capacitive telephone receiver with small impedance value fluctuation |
| 03/20/2013 | CN202818596U Field-effect transistor for electret microphone |
| 03/20/2013 | CN202818595U Professional transistor capacitor microphone |
| 03/20/2013 | CN202818423U Capacitive telephone receiver |
| 03/20/2013 | CN102984633A A mems microphone with a built-in textile material protecting screen |
| 03/20/2013 | CN102197449B Electret electrode, actuator using the electret electrode, oscillation generator, oscillation generation device, and communication device using the oscillation generation device |
| 03/20/2013 | CN101888583B Earphone provided with capacitive actuator |
| 03/20/2013 | CN101729963B Equipment and related method for continuously charging electret diaphragm |
| 03/20/2013 | CN101690263B Acoustic sensor |
| 03/20/2013 | CN101426165B Single body construction for loudspeaker |
| 03/20/2013 | CN101395957B Electrostatic loudspeakers |
| 03/19/2013 | US8398554 Harmonic cMUT devices and fabrication methods |
| 03/19/2013 | US8398551 Capacitive ultrasonic transducer, production method thereof, and capacitive ultrasonic probe |
| 03/14/2013 | WO2013035596A1 Semiconductor device and microphone |
| 03/14/2013 | WO2013034034A1 Method, system and digital microphone for cancelling echo |
| 03/14/2013 | DE102012216150A1 Mikroelektromechanisches System mit Biegeauslenkung der Rückplattenstruktur The micro-electro mechanical system with bending deflection of the backplate structure |
| 03/13/2013 | CN202799145U Micro-electromechanical systems (MEMS) microphone |
| 03/13/2013 | CN202799144U Micro-electromechanical systems (MEMS) microphone |
| 03/13/2013 | CN202799143U Micro-electromechanical systems (MEMS) microphone |
| 03/13/2013 | CN202799142U Windproof microphone |
| 03/13/2013 | CN202799141U Electret microphone |
| 03/13/2013 | CN102972045A Split-membrane 3D stereomicrophon |
| 03/13/2013 | CN102971963A Method and arrangement for driving a microphone |