Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 19 - Electrostatic transducers
Patents for H04R 19 - Electrostatic transducers (5,387)
09/2012
09/05/2012CN202425037U MEMS (Micro Electronic Mechanical System) microphone
09/05/2012CN202425036U Flat plate electrostatic loudspeaker
09/05/2012CN102655625A Microelectromechanical microphone
09/05/2012CN102655624A Microphone of microelectromechanical system
09/05/2012CN102655623A Microphone of microelectromechanical system
09/05/2012CN102655622A Microphone with shimmering halo
09/05/2012CN101828409B Silicon microphone with enhanced impact test structure using bonding wires
09/05/2012CN101321412B Miniature microphone
08/2012
08/30/2012WO2012114539A1 Acoustic sensor and microphone
08/30/2012WO2012114538A1 Method for manufacturing semiconductor device and method for manufacturing microphone
08/30/2012WO2012114536A1 Microphone
08/30/2012WO2012114535A1 Acoustic sensor and microphone
08/30/2012WO2012114156A1 A transducer apparatus with a tension actuator
08/30/2012DE102011012295A1 Microelectromechanical system microphone for mobile radio unit, has transducer element enclosed between cover and carrier, and sound inlet openings formed in carrier and cover, respectively
08/29/2012EP2493214A1 Silicon condenser microphone having an additional back chamber and a fabrication method therefor
08/29/2012CN202406290U Electret capacitor microphone for earphone
08/29/2012CN202406289U Electret capacitor microphone for digital products
08/29/2012CN102650533A Sensor with movable part and biasing sensor
08/29/2012CN102649535A Component support and assembly having a mems component on such a component support
08/29/2012CN101568054B Silicone base capacitance microphone
08/29/2012CN101437188B Acoustic transducer and microphone using the same
08/29/2012CN101356853B Integrated microphone
08/28/2012US8254618 Microphone
08/23/2012US20120213400 Acoustic sensor and microphone
08/23/2012DE102011004577A1 Bauelementträger und Bauteil mit einem MEMS-Bauelement auf einem solchen Bauelementträger Component carrier and the component with a MEMS device on such a component carrier
08/23/2012DE102011004570A1 Component carrier for e.g. microelectromechanical system component, has carrier film formed with coating, where mounting surface is formed on inner wall of film for mounting microelectromechanical system components
08/22/2012EP2490462A1 Condenser microphone assembly with floating configuration
08/22/2012CN202395984U Capacitance type electret microphone
08/22/2012CN202395983U Electret capacitor microphone for high-end recorder pen
08/22/2012CN202395982U One-way electret capacitor microphone for computer headset
08/22/2012CN202395981U Electret capacitor microphone for mobile phone
08/22/2012CN202395980U Capacitive electret microphone
08/22/2012CN1917720B Silicon base capacitor microphone
08/22/2012CN1813490B Package structure of silicon capacitor microphone and fabrication method thereof
08/22/2012CN102648640A Unidirectional microphone
08/22/2012CN102647658A Electret microphone
08/22/2012CN101489170B Self-detecting silicon micromechanical microphone and production method thereof
08/21/2012US8247945 Micro-electro-mechanical transducers
08/16/2012WO2012107270A1 Microphone arrangement
08/15/2012EP2487935A1 Unidirectional microphone
08/15/2012EP2342845B1 Biasing arrangement, electronic apparatus, biasing method, and computer program
08/15/2012CN202385274U 换能器 Transducers
08/15/2012CN102638753A MEMS (micro-electro-mechanical system) acoustic sensor based on graphene
08/15/2012CN101646119B Silicon condenser microphone chip with micro-honeycomb structural vibration membrane and preparation method thereof
08/09/2012US20120201410 Microphone unit, close-talking voice input device, information processing system, and method of manufacturing microphone unit
08/09/2012DE102011010506A1 Mikrofonanordnung Microphone array
08/08/2012CN202374444U Wireless intelligent conference microphone system
08/08/2012CN202374443U Mems microphone
08/08/2012CN202374442U Micro-electromechanical systems (MEMS) microphone
08/08/2012CN202374441U Silicon microphone
08/08/2012CN1849016B A condenser microphone having a hydrophobic layer
08/08/2012CN101360352B Miniature microphone having shielding construction and manufacturing method for circuit board frame
08/08/2012CN101296531B Silicon capacitor microphone array
08/08/2012CN101257736B Miniature capacitor type microphone
08/02/2012US20120195453 Unidirectional Microphone
08/02/2012US20120194329 Sound wave generator
08/02/2012DE112010002028T5 Mikrofon mit verringerter Schwingungsempfindlichkeit Microphone with reduced vibration sensitivity
08/01/2012CN202364373U Micro-motor system microphone
08/01/2012CN102625992A Microphone with adjustable characteristics
07/2012
07/26/2012US20120189152 Component having a micro-mechanical microphone structure and method for producing the component
07/26/2012US20120188850 Ultrasonic sensor unit and electronic device
07/26/2012DE102011003168A1 Lautsprechersystem Speaker system
07/25/2012EP1649718B1 Surface mountable electret condenser microphone
07/25/2012CN202353807U MEMS (Micro Electro Mechanical System) microphone
07/25/2012CN1798454B 防水话筒 Waterproof microphone
07/25/2012CN102611976A Perforated micro silicon microphone
07/25/2012CN102611975A MEMS silicon microphone employing eutectic bonding and SOI silicon slice and method for producing the same
07/25/2012CN102611974A MEMS (micro-electro mechanical system) microphone circuit, upper computer circuit and method for accessing into programming mode
07/25/2012CN101257737B Miniature capacitance type microphone
07/24/2012US8229153 Microphone packaging in a mobile communications device
07/18/2012CN1909747B Electrostatic ultrasonic transducer, ultrasonic speaker, and electrode manufacturing method
07/18/2012CN102595295A Micro-electro-mechanical-system (MEMS) microphone
07/18/2012CN102595294A Micro-electro-mechanical-system (MEMS) microphone
07/18/2012CN102595293A Micro-electromechanical system (MEMS) microphone and packaging method thereof
07/18/2012CN102595292A Electret capacitor microphone
07/18/2012CN102595291A Minitype frequency modulation wireless microphone
07/18/2012CN101272636B Capacitor type microphone chip
07/18/2012CN101197548B Electrostatic operating apparatus
07/18/2012CN101106839B Pressure sensor and manufacturing method therefor
07/17/2012US8224012 Vehicle accessory microphone
07/12/2012WO2012093662A1 Ultrasonic probe
07/12/2012WO2012093598A1 Sound transducer and microphone using same
07/12/2012US20120177239 Wind noise protection
07/11/2012CN202334883U Mems麦克风 Mems microphones
07/11/2012CN202334882U Mems麦克风 Mems microphones
07/11/2012CN202334881U Mems麦克风 Mems microphones
07/11/2012CN202334880U 高性能集成电路调频无线话筒 High-performance integrated circuits FM wireless microphone
07/11/2012CN202334879U 简捷可靠的调频无线话筒 Simple and reliable FM wireless microphone
07/11/2012CN102577436A Ultrasound probe and ultrasound imaging device
07/11/2012CN102572666A Microphone packaging and manufacturing method
07/11/2012CN102572665A Condenser microphone structure appropriate for vacuum suction mounting, and mounting method thereof
07/11/2012CN102572664A Discrete component frequency modulation wireless microphone
07/11/2012CN102572663A Plane loudspeaker unit and plane loudspeaker apparatus
07/11/2012CN102572662A Micromachined microphone and multisensor and method for producing same
07/11/2012CN102556936A Method for fabricating a cavity structure, for fabricating a cavity structure for a semiconductor structure and a semiconductor microphone fabricated by the same
07/10/2012US8218286 MEMS microphone with single polysilicon film
07/05/2012WO2012091697A1 Package with a cmos die positioned underneath a mems die
07/05/2012WO2012090611A1 Ultrasound observation apparatus
07/05/2012WO2012088688A1 A mems microphone and method for packaging the same
07/05/2012DE112009004339T5 Verbessertes Mikrofonpaket Improved microphone package
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