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)
05/2014
05/28/2014CN203618123U 微机电麦克风装置 MEMS microphone devices
05/28/2014CN103826191A 一种压电驻极体传声器 A piezoelectric electret microphone
05/28/2014CN102595292B 驻极体电容麦克风 Electret condenser microphone
05/28/2014CN102239704B 麦克风单元 Microphone unit
05/27/2014US8737661 Narrow directional condenser microphone
05/27/2014US8737171 MEMS device and process
05/22/2014WO2014078293A1 Apparatus to prevent excess movement of mems components
05/22/2014WO2014078284A1 Apparatus for prevention of pressure transients in microphones
05/22/2014WO2014077106A1 Ultrasonic transducer element and ultrasonic endoscope
05/21/2014EP2733961A1 Ultrasonic element, and ultrasonic endoscope
05/21/2014EP2733960A1 Ultrasonic element, and ultrasonic endoscope
05/21/2014CN203608357U 一种电容式麦克风拾音器 A capacitive microphone pickup
05/21/2014CN203608356U 一种用于会议室的阵列话筒 An array microphone for conference rooms
05/21/2014CN103813248A 一种声聚焦拾音装置 A sound focusing pickup device
05/21/2014CN103813247A 扬声器单元 Speaker unit
05/21/2014CN102638753B 基于石墨烯的mems声学传感器 Mems graphene-based acoustic sensors
05/15/2014US20140133680 Electrostatic Loudspeaker with Multichannel Output
05/15/2014DE112012003559T5 Hochspannungsvervielfacher für ein Mikrofon und Herstellungsverfahren High voltage multiplier for a microphone and manufacturing processes
05/14/2014EP2731355A1 Electrostatic loudspeaker with multichannel output
05/14/2014CN103797821A 使用直接声的到达时间差确定 Using the arrival time difference of the direct sound is determined
05/14/2014CN103796148A 微机电装置与制作方法 MEMS device and manufacturing method
05/14/2014CN103796143A 面积变化控制型电容传声器及其实现方法 Area change control type condenser microphone and its implementation
05/14/2014CN102318365B 麦克风单元 Microphone unit
05/13/2014US8724839 Unidirectional microphone
05/13/2014US8724832 Piezoelectric microphone fabricated on glass
05/08/2014US20140126749 Flat speaker output device and method for starting the same
05/08/2014DE112012003442T5 Akustische Vorrichtung und Herstellungsverfahren Acoustic device and manufacturing method
05/08/2014DE102012220006A1 Bauelement mit einer mikromechanischen Mikrofonstruktur Component having a micromechanical microphone structure
05/07/2014EP2728904A1 Vibrating element and method for producing vibrating element
05/07/2014CN203590459U 全指向麦克风 Omnidirectional microphone
05/07/2014CN203590458U 一种硅麦克风 A silicone microphone
05/07/2014CN203590457U Mems麦克风 Mems Microphone
05/07/2014CN203590456U Mems麦克风 Mems Microphone
05/07/2014CN203590455U 一种麦克风 One kind of microphone
05/07/2014CN203590454U 压电驻极体传声器 Piezoelectric electret microphone
05/07/2014CN103781005A 利用信号处理的车辆用麦克风系统及噪音能动控制方法 Using a signal processing method for controlling a vehicle dynamic microphone system and noise
05/07/2014CN102611974B Mems麦克风电路 Mems microphone circuit
05/07/2014CN102075841B 驻极体传声器 Electret microphone
05/07/2014CN101868981B 叠层换能设备 Laminated transducer device
05/01/2014WO2014066006A1 Micromachined ultrasonic transducer arrays with multiple harmonic modes
05/01/2014WO2014063820A1 Vibration-reducing device for housings
04/2014
04/30/2014EP2724554A1 Time difference of arrival determination with direct sound
04/30/2014DE102012219915A1 Verfahren zum Herstellen eines Kondensatormikrofons und Kondensatormikrofon A method for manufacturing a condenser microphone and the condenser microphone
04/30/2014DE102006046292B9 Bauelement mit MEMS-Mikrofon und Verfahren zur Herstellung Device having MEMS microphone and methods for preparing
04/30/2014CN203574861U Mems microphone
04/30/2014CN103763669A High temperature-resistant surface-mounting microphone
04/30/2014CN103763668A MEMS microphone
04/30/2014CN101835080B Silicon-based microphone
04/30/2014CN101384101B Ultrasound sensor and a method using the sensor
04/24/2014WO2014060602A1 Acoustic pick-up assemblies
04/24/2014WO2014059638A1 Resonance damping for audio transducer systems
04/23/2014EP2722005A1 Portable information terminal with microphone
04/23/2014CN103747402A Microphone and assembly method thereof
04/23/2014CN102611975B MEMS silicon microphone employing eutectic bonding and SOI silicon slice and method for producing the same
04/23/2014CN102301741B Microphone component and method for operating a component of this type
04/23/2014CN101919271B Buffer circuit for transducer and electret microphone
04/22/2014US8705776 Microphone package and method for manufacturing same
04/22/2014US8704360 Top port surface mount silicon condenser microphone package
04/17/2014DE102013111163A1 MEMS-Bauelement und Verfahren zum Fertigen eines MEMS-Bauelements MEMS device and method of fabricating a MEMS device
04/17/2014DE102012218501A1 Bauelement mit einer mikromechanischen Mikrofonstruktur Component having a micromechanical microphone structure
04/16/2014CN203554683U Microphone assembly
04/16/2014CN203554682U Sound entering hole structure of electret sound head shell
04/16/2014CN203545672U MEMS (micro-electromechanical system) package
04/16/2014CN103731783A Component having a micromechanical microphone structure
04/16/2014CN102378092B Mems microphone
04/16/2014CN102137321B Thin film type microphone array
04/16/2014CN102131140B Micro-electro-mechanical systems (MEMS) microphone
04/16/2014CN102006541B Transparent horn and display module integrating transparent horn
04/15/2014US8699730 Electret loudspeaker device
04/09/2014CN203537561U Integrated silicon capacitor microphone
04/09/2014CN103716743A Mems microphone
04/09/2014CN103716742A Microphone array for conference room
04/09/2014CN103716741A MEMS microphone system for harsh environments
04/09/2014CN103716740A Loudspeaker device
04/09/2014CN102223590B Planar loudspeaker with heat-dissipation structure and heat-dissipation method of planar loudspeaker
04/03/2014WO2014052559A1 Embedded circuit in a mems device
04/02/2014CN103702269A Mems microphone
04/02/2014CN103702268A Mems microphone
04/02/2014CN102143424B Double-purpose thin film equipment for sound transmission and extension and manufacturing method thereof
03/2014
03/27/2014WO2014045042A1 Mems device and process
03/27/2014WO2014045041A1 Mems device and process
03/27/2014WO2014045040A1 Mems device and process
03/27/2014DE102013200070B3 Microphone component i.e. 2-chip microelectromechanical microphone component, for use in region of e.g. mobile communications, has microelectromechanical systems microphone structure whose microphone signal is supplied to electronics unit
03/27/2014DE102012216996A1 Micro-electromechanical systems (MEMS) sound transducer of MEMS sound transducer arrangement, has diaphragm whose projection is arranged above projection of substrate, and whose recess is extended themselves into recess of substrate
03/27/2014DE102008057283B4 Anti-Stoßverfahren für ein Verarbeiten kapazitiver Sensorsignale Anti-shock processing method for a capacitive sensor signals
03/26/2014EP2710815A1 Electrostatic transducer
03/26/2014EP2710731A1 Amplifier for electrostatic transducers
03/26/2014CN203504752U Microphone
03/26/2014CN203504751U Microphone with function of voice awakening and mobile terminal
03/26/2014CN203504750U Microphone
03/26/2014CN103688556A A component having a micromechanical microphone structure
03/26/2014CN103686570A MEMS (micro electro mechanical system) microphone
03/26/2014CN103686569A Capacitive silicon microphone with supporting posts arranged on lower electrodes and preparation method thereof
03/26/2014CN103686568A Directional MEMS (Micro Electro Mechanical Systems) microphone and sound receiving device
03/26/2014CN103686567A Microphone with parasitic capacitance cancelation
03/26/2014CN103686566A Acoustic transducer apparatus and method for manufacturing the same, sensing device and method for determining an acoustic signal
03/26/2014CN103686565A In-vehicle sound control system
03/20/2014WO2014042409A1 Ultrasonic transducer and method of manufacturing the same
03/20/2014WO2014042243A1 Active silencing apparatus
03/20/2014WO2014041944A1 Acoustic transducer
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