H04R 23 - Transducers other than those covered by groups

Patents for H04R 23 - Transducers other than those covered by groups (1,562)
12/2007
12/06/2007	WO2007138886A1 Hybrid actuator, loudspeaker and sound output method
11/2007
11/29/2007	US20070274555 Acoustic ribbon transducer arrangements
11/29/2007	US20070274544 Electretization method and apparatus
11/29/2007	US20070274533 Microphone system for the fueling environment
11/22/2007	US20070269585 Actuating member and method for producing the same
11/20/2007	US7298853 Parametric virtual speaker and surround-sound system
11/15/2007	US20070261910 Capacitive Vibration Sensor and Method for Manufacturing Same
11/06/2007	US7292704 Noise attenuating headset
10/2007
10/31/2007	CN100346669C Non-microphone voice transmission device
10/25/2007	US20070248236 Card-type sound apparatus and electronic appliance provided therewith
10/24/2007	EP1848046A2 Electroactive polymers
10/18/2007	WO2007117941A1 Optical displacement sensor comprising a wavelength-tunable optical source
10/10/2007	CN200959675Y Double voice-coil loundspeaker and amplifying and controlling circuit
10/04/2007	US20070230720 Acoustic Element
10/04/2007	DE102006013345A1 Electro-acoustic transducer e.g., microphone, for converting e.g. speech, into electrical signal, has base plate reflecting impinging sound, where light beam is modulated by sound according to frequency and amplitude of sound
10/03/2007	EP1367855B1 Vibration detector
10/02/2007	US7277642 Fine displacement detection device by sound or the like
09/2007
09/26/2007	EP1836784A1 Device for optical remote monitoring and system comprising such a device
09/20/2007	US20070217289 Pressure Wave Generator and Process for Manufacturing the Same
09/19/2007	EP1835783A2 An optical audio microphone arrangement
09/13/2007	US20070211574 Parametric Loudspeaker System And Method For Enabling Isolated Listening To Audio Material
09/07/2007	WO2007100957A1 Apparatus comprising a high-signal-to-noise displacement sensor and method therefore
09/05/2007	EP1512215A4 Electroactive polymer devices for moving fluid
09/05/2007	CN100334942C Intelligent spray irrigation controlling device
08/2007
08/22/2007	CN101022678A Osteoacusis multi-sound channel device
08/21/2007	US7259503 Electroactive polymers
08/15/2007	CN101018426A A high-frequency air flow loudspeaker for voice broadcast
08/09/2007	DE102007003810A1 Ultraschallwellen-Erzeugungsvorrichtung Ultrasonic wave generating device
07/2007
07/19/2007	US20070164641 Electroactive polymer devices for moving fluid
07/19/2007	US20070164632 Capacitive ultrasonic transducer, production method thereof, and capacitive ultrasonic probe
06/2007
06/27/2007	CN2917139Y Bone conductive loudspeaker
06/27/2007	CN1989418A Acoustic wave sensor
06/20/2007	CN1322588C Electro-acoustic transducer and its mfg. method, and electro-acoustic transducing using same
06/06/2007	CN1976541A Bone conductive speaker
06/06/2007	CN1976540A Bone conductive speaker
06/05/2007	US7227814 Repairable fiber optic hydrophone assembly
05/2007
05/30/2007	EP1791388A1 Mat for acoustic apparatus
05/30/2007	EP1260116B1 Folded sagnac sensor array
05/30/2007	CN1973575A Acoustic element
05/29/2007	US7224106 Electroactive polymers
05/24/2007	WO2007056827A1 Methods, systems and apparatus for measuring acoustic pressure
05/22/2007	US7221875 Diaphragm structure of light-sound converter
05/08/2007	US7215527 MEMS digital-to-acoustic transducer with error cancellation
05/03/2007	WO2007049496A1 Pressure wave generator and process for producing the same
05/02/2007	CN1956604A Bone-conduction microphone and method of manufacturing the same
04/2007
04/25/2007	CN1954640A Pressure wave generator and method for fabricating the same
04/18/2007	EP1774357A2 Acoustic wave sensor
04/17/2007	US7204342 Sound focus speaker of gas-filled sound lens attachment type
04/12/2007	WO2006137010A3 Thermo-acoustic transducers
04/12/2007	WO2006137008A3 Thermo-acoustic transducers
04/11/2007	EP1772039A1 Acoustic transducer comprising a plurality of coaxially arranged diaphragms
04/04/2007	CN2886969Y Sound receptor
04/04/2007	CN2886960Y 骨传导扬声器 Bone conduction speaker
04/03/2007	US7199501 Electroactive polymers
03/2007
03/08/2007	WO2007026892A1 Vibration/sound generator
03/07/2007	EP1761105A1 Pressure wave generator and method for fabricating the same
03/07/2007	EP1761104A1 Electrostatic capacity type ultrasonic vibrator, manufacturing method thereof, and electrostatic capacity type ultrasonic probe
02/2007
02/28/2007	CN1302259C Sensor using electro active curved helix and double helix
02/27/2007	US7184368 Optical displacement sensor element
02/21/2007	CN1917721A Method of electro acooustic transduction, and device of electro acooustic transduction
02/14/2007	EP1752016A1 Acoustic element
02/08/2007	WO2007015324A1 Microphone element
02/08/2007	WO2005044140A3 Noise attenuating headset
02/06/2007	US7173025 Compounds for use as anticoagulants for treatment of arteries in brains and factor x inhibitors
01/2007
01/24/2007	EP1449268A4 Radial power megasonic transducer
01/16/2007	US7164479 Optical displacement sensor
01/10/2007	EP1446979B1 Optical displacement sensor element
12/2006
12/05/2006	US7145286 Wedge shaped uniform energy megasonic transducer
11/2006
11/23/2006	WO2006091665A3 Acoustic pulse actuator
11/22/2006	CN1866311A Remote control system with wireless earphone function and method thereof
11/16/2006	DE102005022174A1 Plasma acoustic transducer e.g. microphone, uses ionized oscillating air molecules for modulating voltage or producing sound waves
11/15/2006	CN1862615A Remote-controlling system with wireless earphone function and method thereof
10/2006
10/26/2006	US20060238079 Electroactive polymers
10/26/2006	US20060238066 Electroactive polymer generators
10/19/2006	WO2006109051A1 Method and apparatus for communicating sound over an optical link
10/19/2006	DE10058698B4 Elektrodynamischer Vakuum-Flachlautsprecher Electrodynamic vacuum flat speaker
10/19/2006	CA2604950A1 Method and apparatus for communicating sound over an optical link
10/18/2006	EP1713301A1 Method and apparatus for communicating sound over an optical link
10/10/2006	US7120509 Sound and image producing system
10/03/2006	US7116850 Hydrophone mandrel for precise placement of gratings
10/03/2006	US7114395 Vibration detector
09/2006
09/27/2006	EP1705953A2 Hearing-aid device with optical microphone
09/12/2006	US7106880 Universal ribbon element-module for two or more membrane-widths with optimized flow and drive
08/2006
08/31/2006	WO2006091665A2 Acoustic pulse actuator
08/09/2006	EP0908019A4 Acoustic heterodyne device and method
08/02/2006	EP1423987A4 Amplified tree structure technology for fiber optic sensor arrays
07/2006
07/26/2006	EP1423986A4 Apparauts and method for processing optical signals from two delay coils to increase the dynamic range of a sagnac-based fiber optic sensor array
07/20/2006	WO2006075263A1 Sound detection device and method of detecting sound
07/20/2006	US20060158065 Electroactive polymer devices for moving fluid
07/04/2006	US7069795 Sensor using electro active curved helix and double helix
06/2006
06/22/2006	WO2006065203A1 Device for optical remote monitoring and system comprising such a device
06/21/2006	EP1552722A4 Vibration detectors, sound detectors, hearing aids, cochlear implants and related methods
06/20/2006	US7064472 Electroactive polymer devices for moving fluid
06/14/2006	DE102005013833B3 Hearing aid device with microphone has several optical microphones wherein a diaphragm is scanned in each optical microphone with a suitable optics
06/13/2006	US7062055 Elastomeric dielectric polymer film sonic actuator
06/01/2006	US20060113880 Electroactive polymers
06/01/2006	US20060113878 Electroactive polymers
05/2006
05/23/2006	US7049732 Electroactive polymers
05/23/2006	US7048689 Ultrasonic receiving apparatus and ultrasonic receiving method
05/16/2006	US7045768 Displacement/quantity of light converter

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