Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 23 - Transducers other than those covered by groups
Patents for H04R 23 - Transducers other than those covered by groups (1,562)
03/2015
03/05/2015WO2015030569A1 All fibre based diaphragm-less optical microphone
03/05/2015US20150063608 Capacitive mems element including a pressure-sensitive diaphragm
02/2015
02/26/2015US20150055803 Decimation Synchronization in a Microphone
02/26/2015US20150055794 Sound feedback system for vehicles
02/26/2015DE102014214153A1 oberflächenmontierbares Mikrofonpackage, Mikrofonanordnung, Mobiltelefon und Verfahren zum Aufzeichnen von Mikrofonsignalen surface-mounted microphone package, microphone array, mobile phone and method for recording microphone signals
02/17/2015US8958579 Thermoacoustic device
02/05/2015US20150036867 Acoustic transducer comprising a plurality of coaxially arranged diaphragms
02/05/2015US20150035094 Microphone assembly having at least two mems microphone components
02/03/2015US8948603 Optical microphone
01/2015
01/22/2015US20150023540 Optical Electro-Mechanical Hearing Devices with Combined Power and Signal Architectures
01/08/2015WO2015002731A1 Apparatus and method for providing a frequency response for audio signals
12/2014
12/30/2014US8921952 Microelectromechanical system devices having crack resistant membrane structures and methods for the fabrication thereof
12/24/2014CN204046820U 一种磁电阻音频采集器 A magnetic resistance audio acquisition
12/17/2014CN104219613A 一种磁电阻音频采集器 A magnetic resistance audio acquisition
12/16/2014US8913767 Electro-acoustic transducer, electronic apparatus, electro-acoustic conversion method, and sound wave output method of electronic apparatus
12/09/2014US8905320 Room heating device capable of simultaneously producing sound waves
12/04/2014US20140355788 Digital signal processor with search function
11/2014
11/27/2014US20140348351 Structures for dynamically tuned audio in a media device
11/25/2014US8897472 Acoustic transducer comprising a plurality of coaxially arranged diaphragms
11/20/2014US20140341402 Mems process and device
11/04/2014US8879755 At least partially implantable sound pick-up device with ultrasound emitter
10/2014
10/30/2014US20140321687 MEMS Microphone With Out-Gassing Openings And Method Of Manufacturing The Same
10/28/2014US8872563 System, method and apparatus for communication with occupants of a vehicle
10/23/2014US20140314254 Micromechanical detection structure for a mems acoustic transducer and corresponding manufacturing process
10/21/2014US8867994 Signal transmission via body conduction
10/14/2014US8860154 CMOS compatible silicon differential condenser microphone and method for manufacturing the same
10/02/2014US20140296620 Optical Electro-Mechanical Hearing Devices with Separate Power and Signal Components
10/02/2014US20140294208 Light-based detection for acoustic applications
09/2014
09/30/2014US8845705 Optical cochlear stimulation devices and methods
09/25/2014WO2014152438A2 Encapsulated thermoacoustic projector based on free-standing carbon nanotube film
09/25/2014US20140288358 Optically Coupled Bone Conduction Systems and Methods
09/23/2014US8842857 Thermoacoustic device
09/18/2014US20140270273 Digital acoustic low frequency response control for mems microphones
09/18/2014US20140270271 MEMS Acoustic Transducer, MEMS Microphone, MEMS Microspeaker, Array of Speakers and Method for Manufacturing an Acoustic Transducer
09/18/2014US20140270260 Speech detection using low power microelectrical mechanical systems sensor
09/18/2014US20140270259 Speech detection using low power microelectrical mechanical systems sensor
09/18/2014US20140270218 Wireless electronic stethoscope
09/18/2014DE102013004472A1 "Lautsprecher" "Speaker"
09/17/2014EP2777614A2 Sensor assembly using micropillars and method of use
09/16/2014US8837753 Thermoacoustic device
09/11/2014US20140254835 Packaged Microphone System with a Permanent Magnet
09/11/2014US20140254814 Electronic Stethoscope
09/09/2014US8831269 Bobbin and loudspeaker using the same
09/09/2014US8831252 Thermoacoustic device
09/02/2014US8824715 Optical electro-mechanical hearing devices with combined power and signal architectures
08/2014
08/26/2014US8818007 MEMS-type pressure pulse generator
08/26/2014US8813571 Optical microphone
08/19/2014US8811632 Thermoacoustic device
08/19/2014US8811631 Thermoacoustic device
08/13/2014CN103987008A 发声装置 Sounding device
08/13/2014CN102450036B 声波发生器及其制造方法和使用声波发生器的声波发生方法 The method of the acoustic wave generator and its manufacturing method and use of acoustic wave generating generator
08/07/2014DE10304778B4 Verfahren und Vorrichtung zur aktiven Geräuschverminderung in einem Luftzuführungssystem Method and device for active noise reduction in an air supply system
08/05/2014US8796792 Micro-electro-mechanical system having movable element integrated into leadframe-based package
07/2014
07/16/2014CN203722822U 一种牙齿传导的音乐棒棒糖 A dental conducting music lollipop
07/16/2014CN203722821U 电子装置 Electronic devices
07/16/2014CN203722820U 腕戴式电子设备 Wrist-worn electronic device
07/09/2014EP2752030A1 Piezoelectric microphone fabricated on glass
07/09/2014EP2752029A1 Piezoelectric microphone fabricated on glass
07/09/2014CN101959110B 微机电系统扬声器及电子装置 MEMS loudspeakers and electronic equipment
07/03/2014US20140185841 Thermoacoustic device
07/03/2014US20140185840 Thermoacoustic device
07/02/2014CN103905964A 热致发声装置 Thermally induced sound device
07/02/2014CN103905963A 热致发声装置 Thermally induced sound device
07/01/2014US8767981 Thermoacoustic device
07/01/2014US8767514 Telemetric sensing using micromachined ultrasonic transducer
06/2014
06/26/2014WO2010136658A3 Reduction of electromagentic pollution from propellers and fans
06/24/2014US8759927 Hybrid intergrated component
06/24/2014US8758635 Method for making thermoacoustic element
06/18/2014CN203661289U Mems换能器和电子设备 Mems transducer and electronics
06/18/2014CN103873998A Electronic device and sound collection method
06/18/2014CN103873997A Electronic device and sound collection method
06/18/2014CN101849182B Ultrasonic detection device, ultrasonic detection method, and atomic power plant nondestructive inspection method
06/12/2014US20140161286 Multimedia auditory augmentation
06/10/2014US8748999 Capacitive sensors and methods for forming the same
06/05/2014US20140153930 Transducer system
06/04/2014CN103843370A Piezoelectric microphone fabricated on glass
06/04/2014CN103843368A Piezoelectric microphone fabricated on glass
06/04/2014CN103841504A Thermotropic acoustical-generator array
06/04/2014CN103841503A Sound-making chip
06/04/2014CN103841502A Sound-making device
06/04/2014CN103841501A Sound-making chip
06/04/2014CN103841500A Thermotropic sound-making device
06/04/2014CN103841483A 耳机 Headphone
06/04/2014CN103841480A Earphone
06/04/2014CN103841479A Earphone
06/04/2014CN103841478A Earphone
05/2014
05/28/2014DE102012222447B3 Lautsprecher mit druck-kompensations-element Speaker with pressure compensation element
05/22/2014US20140140550 Thermoacoustic device array
05/22/2014US20140140549 Thermoacoustic chip
05/22/2014US20140140548 Thermoacoustic chip
05/22/2014US20140140547 Thermoacoustic device
05/22/2014US20140140546 Earphone
05/22/2014US20140140545 Thermoacoustic device
05/22/2014US20140140538 System and Method for High Input Capacitive Signal Amplifier
05/21/2014CN203608358U 一种等离子扬声器 A plasma speaker
05/14/2014CN102196348B 人体声音传送设备 A human body sound transmission apparatus
05/08/2014WO2014068552A1 System and method for detection of speech related acoustic signals by using a laser microphone
05/07/2014CN101557547B 一种骨传导传感器 A bone conduction sensor
05/01/2014WO2014066448A1 Structure with integrated acoustics function
04/2014
04/30/2014CN101771919B Sounding device
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