H04R 19 - Electrostatic transducers

Patents for H04R 19 - Electrostatic transducers (5,387)
11/2011
11/30/2011	EP2390998A1 Dielectric film, method for producing same, and transducer using same
11/30/2011	CN202059673U 用于驻极体话筒的线路板 Electret microphone for PCB
11/30/2011	CN202059573U 方向可调的指向性麦克风装置 Directional microphone device adjustable direction
11/30/2011	CN202059572U 一种驻极体电容式传声器 An electret condenser microphone
11/30/2011	CN202059571U 一种mems麦克风 One kind of mems microphone
11/30/2011	CN202059570U 硅麦克风 Silicon Microphone
11/30/2011	CN202059569U 用于驻极体话筒的贴片 For electret microphone placement
11/30/2011	CN202059568U 一种驻极体话筒 An electret microphone
11/30/2011	CN202059567U 用于驻极体话筒的背极式背极 Back to back electret microphone pole pole
11/30/2011	CN202059566U 用于驻极体话筒的膜片 For electret microphone diaphragm
11/30/2011	CN202059565U 具有指向性的前极式电容式麦克风 Electret condenser microphone before having directivity
11/30/2011	CN1741685B 电容式麦克风中膜片破裂的检测及控制 Capacitive detection and control of the microphone diaphragm rupture
11/30/2011	CN102265644A 平衡信号输出型传感器 Balanced signal output sensor
11/30/2011	CN102264021A 一种mems麦克风芯片 One kind of mems microphone chip
11/30/2011	CN102264020A 微机电电容式麦克风 MEMS condenser microphone
11/30/2011	CN102264019A 微机电电容式麦克风 MEMS condenser microphone
11/30/2011	CN101356852B 静电扬声器系统和方法 Electrostatic loudspeaker system and method
11/30/2011	CN101064969B 制作电容式麦克风元件的振膜的方法 Production diaphragm condenser microphone element method
11/29/2011	US8068632 Microphone and microphone hanger-hook
11/29/2011	US8066531 Microphone output connector
11/24/2011	WO2011145790A1 Microphone assembly
11/24/2011	WO2011144570A1 Electric component having a shallow physical shape, and method of manufacture
11/24/2011	WO2011144200A1 Split-membrane 3d stereomicrophone
11/24/2011	DE102010022204A1 Elektrisches Bauelement mit flacher Bauform und Herstellungsverfahren Electrical component with a flat design and manufacturing processes
11/24/2011	DE102010021157A1 3D-Stereospaltmikrofon 3D stereo microphone gap
11/23/2011	CN102256199A Micro capacitance microphone
11/23/2011	CN102256198A Silicon microphone
11/23/2011	CN102249177A Micro-electromechanical sensor and forming method thereof
11/23/2011	CN101161031B Electret condenser microphone and manufacturing method thereof
11/17/2011	WO2011142637A2 Mems microphone using a graphene membrane and method for manufacturing same
11/17/2011	WO2011142512A1 Pcb module for a capacitor microphone
11/17/2011	WO2011068344A3 Mems microphone and method for manufacturing same
11/17/2011	US20110280418 Electret condenser microphone
11/17/2011	DE102011050040A1 Capacitive micro-microphone system i.e. micro-electro-mechanical systems microphone, has membrane whose central portion is supported by supporting portion in order to derive residual stress of membrane outwardly from supporting portion
11/16/2011	EP2387255A2 Acoustic sensor and microphone
11/16/2011	CN102246536A Microphone unit and voice input device using same
11/16/2011	CN102244833A PCB module for a capacitor microphone
11/16/2011	CN102244832A Capacitance microphone chip
11/16/2011	CN101580222B Micro electromechanical component and manufacturing method thereof
11/10/2011	WO2011078595A3 Pressure sensor using a flexible substrate, and method for manufacturing a 5.1 channel microphone using same
11/09/2011	CN1859815B Polycrystal silicon vibration film silicon micro capacitor microphone chip and its preparing method
11/09/2011	CN102239704A Microphone unit
11/09/2011	CN102238461A Acoustic sensor and method of manufacturing the same
11/09/2011	CN101123827B Adhesion preventive silicon capacitance sound transmitter chip and its making method
11/08/2011	US8055005 Bluetooth earphone and lanyard structure thereof
11/03/2011	WO2011134167A1 Air cavity package configured to electrically couple to a printed circuit board and method of providing same
11/03/2011	WO2011093584A3 Broadband mems microphone structure
11/03/2011	WO2011087208A3 Mems microphone package using additional chamber
11/03/2011	WO2011082250A8 Microphone integrated with integrated circuit
11/03/2011	WO2011081288A3 Mems microphone and method for manufacturing same
11/03/2011	US20110268296 Condenser microphone assembly with floating configuration
11/02/2011	EP2384026A2 Acoustic sensor and method of manufacturing the same
11/02/2011	EP2384019A1 Microphone unit
11/02/2011	CN202026459U Radio frequency interference-free capacitance microphone apparatus
11/02/2011	CN202026458U Film loudspeaker array
11/02/2011	CN202026457U Polarization device of electret
11/02/2011	CN202026456U Film type microphone array
11/02/2011	CN1761365B Condenser microphone
11/02/2011	CN102231633A Wireless frequency modulation transmitter manufactured by using varactor diode
11/01/2011	US8050443 Microphone and microphone mounting structure
10/2011
10/27/2011	WO2011132531A1 Ultrasound probe, production method therefor, and ultrasound diagnostic equipment
10/27/2011	WO2011132099A1 Microphone
10/27/2011	WO2011132062A1 Textile laminar structure for making acoustic components
10/27/2011	WO2011131249A1 Mems device having a membrane and method of manufacturing
10/27/2011	WO2011087207A3 Mems microphone package
10/27/2011	DE102010017959A1 Microphone e.g. micro-electromechanical system (MEMS) microphone for use in mobile communication apparatus, has membrane and back plate between which variable electrical bias is produced by bias generation unit
10/26/2011	EP2381699A1 Microphone
10/26/2011	EP2381698A1 Microphone
10/26/2011	EP1992290B1 Ultrasonic vibrator and body cavity ultrasonograph having the ultrasonic vibrator
10/26/2011	CN202019451U Capacitance microphone
10/26/2011	CN202019450U Micro-electromechanical system (MEMS) microphone
10/26/2011	CN202019449U Micro-electromechanical system (MEMS) microphone
10/26/2011	CN202019448U 微型电容式麦克风 Miniature condenser microphone
10/26/2011	CN102227790A Process for production of electret material
10/26/2011	CN102227789A Electret material and electrostatic-type acoustic transducer
10/26/2011	CN101304691B Ultrasonic probe and ultrasonic diagnosing apparatus
10/25/2011	US8045733 Silicon microphone with enhanced impact proof structure using bonding wires
10/25/2011	US8042264 Method of fabricating an electroactive polymer transducer
10/20/2011	DE102011007549A1 Gehäustes akustisches Wandlergerät mit Abschirmung von elektromagnetischer Interferenz A housed acoustic transducer device with shielding electromagnetic interference
10/19/2011	EP2378791A1 Electronic device and electro-acoustic transducer thereof
10/19/2011	EP2378789A1 Microphone unit
10/19/2011	CN1972530B Electrostatic transducer, ultrasonic speaker, driving circuit of capacitive load
10/19/2011	CN1802039B A microphone assembly
10/19/2011	CN102223592A Anti-interference three port microphone
10/19/2011	CN102223591A Wafer level packaging structure of micro electro mechanical system microphone and manufacturing method thereof
10/19/2011	CN102223590A Planar loudspeaker with heat-dissipation structure and heat-dissipation method of planar loudspeaker
10/18/2011	US8039911 MEMS sensor
10/13/2011	WO2011087770A3 Surface-mounted microphone arrays on flexible printed circuit boards
10/13/2011	US20110249834 Electret material and electrostatic-type acoustic transducer
10/13/2011	DE102010003837A1 Mikrofoneinheit Microphone unit
10/12/2011	EP2281398B1 Acoustic-electric transducer with adjustable air gap, electronic device, method and computer program product
10/12/2011	CN102215448A Silicon microphone packaging method capable of shielding electromagnetic interference, packaging body and electronic device
10/12/2011	CN101060726B A method for manufacturing the ringing membrane of capacitance microphone element
10/06/2011	WO2011123552A1 Low noise electret microphone
10/06/2011	WO2011082250A3 Microphone integrated with integrated circuit
10/06/2011	US20110242932 Cmut cell formed from a membrane of nanotubes or nanowires or nanorods and device for ultra high frequency acoustic imaging including multiple cells of this kind
10/05/2011	EP2373066A1 Microelectromechanical system testing device
10/05/2011	EP2373060A2 Silicon condenser microphone and manufacturing method
10/05/2011	EP2373059A2 Semiconductor device and microphone
10/05/2011	EP2373058A2 Electret assembly for a microphone having a backplate with charge stability and humidity stability

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