Patents
Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050)
03/2014
03/13/2014US20140072150 Microphone with Parasitic Capacitance Cancelation
03/13/2014US20140069194 Ultrasonic transducers
03/13/2014US20140068944 Systems and methods for assembling non-occluding earbuds
03/13/2014DE102012215981A1 Device for manufacturing ear adapter for ear protection otoplasty, has positioning element formed corresponding to position of retaining element and arranged at shell such that position of attachment is defined during closing of shell
03/13/2014DE102012215892A1 Sound transducer device for use in e.g. digital speaker, has thermo-acoustic transducer units which are formed on one substrate comprising semiconductor material
03/12/2014CN103634732A Automatic press-fitting mechanism for earphones
03/12/2014CN102131139B Microphone package of micro-electro-mechanical system and manufacturing method thereof
03/11/2014US8667667 Method for fabricating a disk drive base for a disk drive
03/11/2014US8667665 Method of manufacturing a microelectromechanical system (MEMS) resonator
03/06/2014WO2014035904A1 Cymbal transducer using electret accelerometer
03/06/2014US20140064525 Vibrating panel device for electromagnetic vibrator and its manufacture method
03/06/2014DE102012215239A1 Bauteil und Verfahren zum Prüfen eines solchen Bauteils Component and method for testing such a component
03/06/2014DE102012108258A1 Verfahren zur Herstellung eines Flächenlautsprechers A process for producing a flat-panel loudspeaker
03/06/2014DE102012108254A1 Ultraschall-Wandler und Verfahren zur Herstellung eines Ultraschall-Wandlers Ultrasonic transducer and method of fabricating an ultrasonic transducer
03/05/2014CN103618984A Loudspeaker module and manufacturing method thereof
03/05/2014CN103618978A Portable sound effect apparatus and manufacturing method thereof
03/05/2014CN102348157B Fully-automatic microphone assembling equipment
02/2014
02/27/2014WO2013178535A3 Free-standing non-planar polycrystalline synthetic diamond components and method of fabrication
02/27/2014US20140056459 Speakers, headphones, and kits related to vibrations in an audio system, and methods for forming same
02/27/2014US20140054981 Ultrathin electromagnetic vibration device and its manufacturing method
02/27/2014US20140054104 Speaker diaphragm and its manufacturing method
02/27/2014US20140053713 Cymbal Transducer Using Electret Accelerometer
02/26/2014EP2700928A2 Pressure sensor
02/26/2014EP2700248A1 Microelectromechanical sound detection apparatus and method for producing such an apparatus
02/26/2014CN203457325U Assembly tool
02/26/2014CN103609141A Microelectromechanical sound detection apparatus and method for producing such an apparatus
02/26/2014CN103609140A Method for manufacturing acoustic matching body, acoustic matching body, ultrasonic transducer using acoustic matching body, and ultrasonic flowmeter
02/26/2014CN103607689A Capacitive silicon microphone electrode flatness assessment structure and preparing method thereof
02/26/2014CN103607688A MEMS microphone making method
02/26/2014CN103607687A MEMS microphone defect monitoring structure and manufacturing method thereof
02/26/2014CN103607684A Capacitive silicon microphone and preparing method thereof
02/26/2014CN103607683A Loudspeaker diaphragm and manufacturing method thereof
02/26/2014CN102137323B Manufacture process of speaker
02/26/2014CN101686423B Piezoelectric microspeaker and method of fabricating the same
02/25/2014US8656578 Method for manufacturing an ultrasound imaging transducer assembly
02/20/2014DE102012107457A1 MEMS-Bauelement und Verfahren zur Herstellung MEMS device and methods for preparing
02/20/2014DE102012018765B3 Verfahren zur Versteifung der Membran eines Schallwandlers Process for the stiffening of the diaphragm of a sound transducer
02/19/2014CN203446030U Wire cutting and stripping device used for microphone wire-welding equipment
02/19/2014CN203446018U Sounding device and vibration film assembly thereof
02/19/2014CN103596115A Tool and technology for shaping loudspeaker voice coil
02/19/2014CN103596114A Horn elastic wave and manufacturing method thereof
02/19/2014CN103596096A Manufacturing method for light-emitting earphone line and light-emitting earphone line
02/19/2014CN103589348A Ultraviolet-cured adhesive and application thereof
02/18/2014US8652883 Methods of manufacture of bottom port surface mount silicon condenser microphone packages
02/13/2014WO2014025153A1 Diaphragm for speaker, method for manufacturing same, and speaker
02/12/2014CN103581820A Method for assembling non-metal flexible mesh on sound hole of speaker box
02/12/2014CN103581813A High-temperature-resistant patch microphone
02/05/2014EP2692151A1 Electret microphone
02/05/2014CN103561376A Mems麦克风及其制造方法 Mems microphone and its manufacturing method
02/05/2014CN103561371A Assembly process for post-installation magnetic circuit of loudspeaker
02/05/2014CN102348155B Micro-electromechanical microphone and manufacturing method thereof
01/2014
01/30/2014US20140026396 Ultrasonic transducer
01/29/2014CN203416419U Composite diaphragm attaching apparatus
01/29/2014CN203416418U An automated loudspeaker production line
01/29/2014CN203416400U Rubber edge ceramic cone
01/29/2014CN103546857A Electric speaker and assembling method thereof, method of forming electric conductor or electric contact
01/29/2014CN103546856A Manufacturing method of carbon fiber attached rest for communication headset
01/29/2014CN103546848A Piezoelectric ceramic sounding element and manufacturing method thereof
01/28/2014US8635764 Method of making a fluid bearing
01/22/2014CN203406990U Microphone terminal circuit board pad
01/22/2014CN103533496A Method for preparing earphone diaphragm material
01/22/2014CN103533493A Silicon microphone, and packaging structure of application product
01/22/2014CN102333251B Method and device for manufacturing array plate insulation layer of microphone casing frame
01/22/2014CN102325293B Electret polarization device and method for polarization by adopting same
01/22/2014CN102170603B Mechanical frequency division diaphragm and manufacturing method thereof
01/22/2014CN101841750B Wiring device for miniature acoustical generators and assembling method
01/21/2014US8633064 Methods of manufacture of top port multipart surface mount silicon condenser microphone package
01/21/2014US8631561 Method for electrically connecting an energy source to a head of a disk drive
01/16/2014WO2013142552A9 Roll-to-roll manufacturing processes for producing self-healing electroactive polymer devices
01/16/2014US20140013581 Electrostatic speaker and manufacturing method thereof and conductive backplate of the speaker
01/16/2014DE102006046292B4 Bauelement mit MEMS-Mikrofon und Verfahren zur Herstellung Device having MEMS microphone and methods for preparing
01/15/2014CN103518385A Ultrasound transducer, ultrasound probe, and ultrasound transducer manufacturing method
01/15/2014CN103517198A Experimental apparatus for optimization design of cone shape of speaker cone
01/15/2014CN102036160B Method for assembling loudspeaker component
01/14/2014US8629552 Top port multi-part surface mount silicon condenser microphone package
01/14/2014US8629005 Methods of manufacture of bottom port surface mount silicon condenser microphone packages
01/14/2014US8628830 Method of and device for modifying the properties of a membrane for an electroacoustic transducer
01/09/2014US20140007693 Capacitive transducer
01/08/2014CN203387679U Riveting tool for loudspeaker wiring board
01/08/2014CN103503481A Acoustic sensor and method for manufacturing same
01/07/2014US8624387 Top port multi-part surface mount silicon condenser microphone package
01/07/2014US8624386 Bottom port multi-part surface mount silicon condenser microphone package
01/07/2014US8624384 Bottom port surface mount silicon condenser microphone package
01/07/2014US8623710 Methods of manufacture of bottom port multi-part surface mount silicon condenser microphone packages
01/07/2014US8623709 Methods of manufacture of top port surface mount silicon condenser microphone packages
01/03/2014WO2014002286A1 Electromechanical conversion element and manufacturing method therefor
01/02/2014US20140003633 Mems microphone and forming method therefor
01/02/2014DE102012211404A1 Ultrasonic sensor installed in park system of motor vehicle, for distance measurement, has element on which electrically conductive polymer layer is partially arranged for producing electrical measuring signals
01/02/2014DE102011078675B4 Abformstruktur für eine Hörvorrichtung Imprint mold for a hearing apparatus
01/02/2014DE102009036337B4 Vorrichtung mit eingebetteter Membrane A device with embedded membrane
01/01/2014EP2680614A1 Method for manufacturing semiconductor device and method for manufacturing microphone
01/01/2014EP2679024A1 A transducer apparatus with a tension actuator
01/01/2014CN203378042U Automatic net-mounting machine for earphone rubber case protecting cover
01/01/2014CN103491490A MEMS microphone structure and manufacturing method thereof
01/01/2014CN103491489A Ultrasonic transducer element unit, probe, probe head, electronic device, and ultrasonic diagnostic device
01/01/2014CN102257836B Carbonaceous sound vibratory plate and method for manufacturing same
12/2013
12/31/2013US8617934 Methods of manufacture of top port multi-part surface mount silicon condenser microphone packages
12/31/2013US8615868 Method for manufacturing a magnetic sensor using two step ion milling
12/27/2013WO2013190852A1 Acoustic matching member and method for manufacturing same, ultrasonic wave transmitter/receiver using same, and ultrasonic flow meter
12/27/2013WO2013190824A1 Speaker, electronic device and mobile device that uses speaker, and speaker manufacturing method
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