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)
03/2014
03/20/2014WO2014041943A1 Capacitive sensor, acoustic sensor and microphone
03/20/2014WO2014041942A1 Acoustic transducer
03/20/2014WO2014018718A3 Housing and method to control solder creep on housing
03/20/2014DE112010006098T5 Package mit einem unter einem MEMS-Chip angeordneten CMOS-Chip Package with one arranged under a MEMS chip CMOS chip
03/20/2014DE102012216493A1 Mikromechanische Sensorvorrichtung mit beweglichem Gate und entsprechendes Herstellungsverfahren Micromechanical sensor device with movable gate and method of manufacture
03/19/2014CN203492198U Condenser microphone connecting line for providing phantom power via USB interface
03/19/2014CN203492197U Microcomputer electric microphone module
03/19/2014CN103649231A Flexible conductive material
03/19/2014CN103641060A Semiconductor integrated device assembly and related manufacturing process
03/19/2014CN102308351B Process for manufacturing electret, and electrostatic induction-type conversion element
03/19/2014CN102238461B Acoustic sensor and method of manufacturing the same
03/19/2014CN102007002B Electret and electrostatic induction conversion device
03/13/2014WO2014039180A1 Earphone with electrostatic transducer
03/13/2014WO2014038238A1 Ultrasound unit and ultrasound endoscope
03/13/2014US20140072152 Dual Single-Crystal Backplate Microphone System and Method Of Fabricating Same
03/12/2014CN203482390U Micro-electro-mechanical system microphone
03/12/2014CN203478159U Lamp
03/12/2014CN102244833B PCB module for capacitor microphone
03/12/2014CN102158789B MEMS (Micro Electro Mechanical System) microphone structure and forming method thereof
03/12/2014CN102132584B Ultrasonic transducer, electronic device, and ultrasonic endoscope
03/12/2014CN102131139B Microphone package of micro-electro-mechanical system and manufacturing method thereof
03/06/2014US20140064525 Vibrating panel device for electromagnetic vibrator and its manufacture method
03/05/2014EP2703338A1 Packaged device designed to be exposed to environmental air and liquids and manufacturing method thereof
02/2014
02/26/2014EP2701166A1 Electret sheet
02/26/2014EP2700928A2 Pressure sensor
02/26/2014EP2700249A2 Electrostatic loudspeaker system
02/26/2014EP2700248A1 Microelectromechanical sound detection apparatus and method for producing such an apparatus
02/26/2014CN203457323U Microphone
02/26/2014CN203457322U Microphone
02/26/2014CN203457321U Microphone application device
02/26/2014CN103609141A Microelectromechanical sound detection apparatus and method for producing such an apparatus
02/26/2014CN103607684A Capacitive silicon microphone and preparing method thereof
02/26/2014CN101803401B Digital speaker driving device, digital speaker device, digital actuator, plane display device and portable electronic device
02/26/2014CN101395956B Sound sponge for loudspeakers
02/25/2014CA2635879C Electrostatic loudspeaker systems and methods
02/20/2014WO2014027143A1 Improvement to a sound system for an elevator and method for implementing a sound system for an elevator
02/19/2014CN203446028U Micro-electromechanical system (MEMS) microphone and electronic apparatus
02/19/2014CN203446027U Mems麦克风及电子设备 Mems microphones and electronic equipment
02/19/2014CN203446026U Stereo array-type micro electromechanical system microphone assembly
02/19/2014CN203446025U Wireless multifunctional sound collection emitter
02/19/2014CN103597855A Ultrasonic element, and ultrasonic endoscope
02/19/2014CN103596110A MEMS (Micro-electro-mechanical Systems) microphone structure and preparation method thereof
02/18/2014US8654614 Capacitive electromechanical transducer
02/18/2014US8652883 Methods of manufacture of bottom port surface mount silicon condenser microphone packages
02/13/2014WO2014026002A1 Microphone assembly with barrier to prevent contaminant infiltration
02/13/2014US20140044287 Flat type speaker having damper-lead plate of pcb voice coil plate
02/13/2014DE102013108353A1 Vorrichtung mit einer eingebetteten MEMS-Vorrichtung und Verfahrenzur Herstellung einer eingebetteten MEMS-Vorrichtung A device with an embedded MEMS device and Verfahrenzur manufacturing an embedded MEMS device
02/12/2014CN103583057A Semiconductor device and microphone
02/12/2014CN103583056A Polymer speaker
02/12/2014CN103583055A Ultrasonic element, and ultrasonic endoscope
02/12/2014CN103581814A Mems麦克风 Mems Microphone
02/12/2014CN103581813A High-temperature-resistant patch microphone
02/12/2014CN103581812A Piezoelectric electret microphone
02/11/2014US8649528 Microphone unit with internal A/D converter
02/06/2014WO2014022542A1 Microphone assembly
02/06/2014WO2014022487A1 Microphone assembly
02/06/2014US20140037121 Microphone and Method to Position a Membrane Between Two Backplates
02/05/2014EP2692151A1 Electret microphone
02/05/2014CN203423800U Microphone array system for ultra-low-noise high-amplitude audio capture
02/05/2014CN103563399A CMOS compatible silicon differential condenser microphone and method for manufacturing the same
02/05/2014CN103561376A Mems麦克风及其制造方法 Mems microphone and its manufacturing method
02/05/2014CN103561375A MEMS microphone
02/05/2014CN103561374A Electret sound head shell sound access hole structure and sound transmission method thereof
02/05/2014CN103561373A Front-pole type capacitor microphone
02/05/2014CN102348155B Micro-electromechanical microphone and manufacturing method thereof
02/05/2014CN102249177B Micro-electromechanical sensor and forming method thereof
02/05/2014CN102223592B Anti-interference three port microphone
02/04/2014US8644545 Condenser microphone unit and condenser microphone
02/04/2014US8644533 Method and apparatus for hearing assistance device microphones
01/2014
01/30/2014WO2014018718A2 Housing and method to control solder creep on housing
01/30/2014WO2013185013A3 Back plate apparatus with multiple layers having non-uniform openings
01/30/2014DE102012213310A1 MEMS component i.e. microphone component, has vibrating body vibratorily suspended within vacuum-sealed cavity and mechanically coupled to membrane element, so that vibrating body is deformed in case of membrane deflection
01/30/2014DE102012213305A1 Method for manufacturing microelectromechanical system element of component, involves spanning rear connection opening in substrate under membrane structure, producing cavity in substrate and opening cavity by backside thinning of substrate
01/30/2014DE102012212112A1 Bauelement mit einer mikromechanischen Mikrofonstruktur Component having a micromechanical microphone structure
01/30/2014DE102010062887B4 Mikrofonpackage und Verfahren zu dessen Herstellung Microphone package and process for its preparation
01/29/2014CN203416415U Directivity MEMS microphone
01/29/2014CN203416414U Double surface mounting MEMS microphone
01/29/2014CN203416244U Remote large-power frequency modulation emitter
01/29/2014CN203411319U Semiconductor integrated device assembly and electronic device
01/29/2014CN103548361A Semiconductor device and microphone
01/29/2014CN103548103A 驻极体片 Electret sheet
01/23/2014WO2014014916A2 Medical procedure monitoring system
01/22/2014CN203407016U Micro-electro-mechanic system (MEMS) microphone
01/22/2014CN203407015U Condenser microphone
01/22/2014CN203407014U Digital power amplifier (PA) noise detection head
01/22/2014CN103533493A Silicon microphone, and packaging structure of application product
01/22/2014CN103533492A Capacitive transducer
01/22/2014CN102325293B Electret polarization device and method for polarization by adopting same
01/21/2014US8633064 Methods of manufacture of top port multipart surface mount silicon condenser microphone package
01/16/2014DE102006046292B4 Bauelement mit MEMS-Mikrofon und Verfahren zur Herstellung Device having MEMS microphone and methods for preparing
01/15/2014CN103517190A Electret condenser microphone
01/15/2014CN101959105B Electrostatic loudspeaker
01/14/2014US8629552 Top port multi-part surface mount silicon condenser microphone package
01/14/2014US8629551 Bottom port surface mount silicon condenser microphone package
01/14/2014US8627725 Capacitance type vibration sensor
01/14/2014CA2622035C A capacitive sound transducer having a perforated attenuation disc
01/09/2014US20140010388 Capacitive transducer, capacitive transducer manufacturing method, and object information acquisition apparatus
01/08/2014EP2681928A1 Method for driving a condenser microphone
01/08/2014CN103503481A Acoustic sensor and method for manufacturing same
01/07/2014US8624387 Top port multi-part surface mount silicon condenser microphone package
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