Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 17 - Piezo-electric transducers; Electrostrictive transducers
Patents for H04R 17 - Piezo-electric transducers; Electrostrictive transducers (7,213)
06/2014
06/04/2014EP2739068A1 Acoustic generator, acoustic generation device, and electronic apparatus
06/04/2014CN203632862U 骨传导耳机 Bone conduction headphones
06/04/2014CN103843370A Piezoelectric microphone fabricated on glass
06/04/2014CN103843368A Piezoelectric microphone fabricated on glass
06/04/2014CN103843367A Sound generator, sound generating apparatus, and electronic apparatus
06/04/2014CN103843366A Ultrasonic sensor and manufacturing method therefor
06/04/2014CN103843365A Electroacoustic converter film, flexible display, vocal cord microphone, and musical instrument sensor
06/04/2014CN103841499A Prestressed stacked piezoelectric round tube transducer
06/04/2014CN102395092B Piezoelectric speaker based on piezoelectric cantilever beam
06/04/2014CN102082987B Sound equipment actuating device and sound equipment actuating device system
06/04/2014CN101754077B Piezoelectric acoustic transducer and method for fabricating the same
05/2014
05/30/2014WO2014081868A1 System of audio speakers implemented using emp actuators
05/28/2014DE102012111427A1 Feldgerät, insbesondere Ultraschall-Durchflussmessgerät Field device, in particular ultrasonic flow meter
05/28/2014CN203618122U 收音装置 Radio device
05/28/2014CN103828395A 超声波传感器 Ultrasonic sensors
05/28/2014CN103828394A 发声隔膜配置 Sound diaphragm configuration
05/28/2014CN103828393A 声音产生器、声音产生装置以及电子设备 A sound generator, a sound generating device and an electronic device
05/28/2014CN103828391A 音响再现装置 Sound reproduction apparatus
05/28/2014CN103826190A 小尺寸阵元及由该阵元组成的低旁瓣高频声基阵 The small size of the array element and the array element composed by low frequency sound sidelobe Array
05/28/2014CN103826189A 电子补偿式宽带发射换能器 Electronic compensation broadband transmitting transducer
05/27/2014US8737661 Narrow directional condenser microphone
05/27/2014CA2748252C Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached
05/22/2014WO2014077836A1 Ultrasound transducer and processing methods thereof
05/22/2014WO2014077061A1 Ultrasonic vibrator and manufacturing method therefor
05/22/2014WO2014076973A1 Ultrasonic probe
05/22/2014WO2014076908A1 Ultrasonic sensor
05/22/2014US20140140551 System of Audio Speakers Implemented Using EMP Actuators
05/22/2014DE102011052900B4 Verfahren und Vorrichtung zur Ein- und Zuordnung von Signalemittern in Echtzeit und deren Verwendung als Warnvorrichtung Method and apparatus for input and assignment of signals emitters in real time and their use as warning device
05/21/2014EP2733959A1 Method for manufacturing acoustic matching body, acoustic matching body, ultrasonic transducer using acoustic matching body, and ultrasonic flowmeter
05/21/2014EP2733131A1 Lead-free piezoelectric ceramic composition, method for producing same, piezoelectric element using lead-free piezoelectric ceramic composition, ultrasonic processing machine, ultrasonic drive device, and sensing device
05/21/2014CN203608351U 平板发声装置 Flat sounding device
05/21/2014CN203608350U 平板发声装置 Flat sounding device
05/21/2014CN103814586A 指向性扬声器 Directional loudspeaker
05/21/2014CN103811366A 形成超声匹配层的方法及超声换能器 The method of forming ultrasound and ultrasound transducer matching layer
05/15/2014DE102012014932A1 Verfahren zum Herstellen eines Ultraschallsensors für ein Kraftfahrzeug, Ultraschallsensor und Kraftfahrzeug A method of manufacturing an ultrasonic sensor for a motor vehicle, ultrasonic sensor and the motor vehicle
05/14/2014CN203596899U 一种超薄压电陶瓷扬声器组合音箱及其安装结构 An ultra-thin piezoelectric ceramic speaker speaker system and mounting structure
05/14/2014CN103797820A 声发生器、声发生装置以及电子设备 Sound generators, acoustic device and an electronic device occurs
05/14/2014CN103797819A 超声波换能器 Ultrasonic transducer
05/14/2014CN102647657B 单片集成mems压阻超声传感器 Monolithically integrated piezoresistive mems ultrasonic sensor
05/13/2014US8724833 Piezoelectric audible signal with spring contacts and retaining and spacer ring
05/13/2014US8724832 Piezoelectric microphone fabricated on glass
05/13/2014US8721043 Ink-jet head and method of manufacturing the same
05/08/2014WO2014069138A1 Piezoelectric element, and piezoelectric vibration device, portable terminal, sound generator, sound generation device and electronic device each of which is provided with piezoelectric element
05/07/2014EP2728903A1 Acoustic generator and acoustic generation device using same
05/07/2014CN203590453U 带振动压电扬声器 With the vibration of the piezoelectric speaker
05/07/2014CN103781004A 低能耗扩音压电陶瓷安防报警器 Low power piezoelectric ceramic PA security alarm
05/07/2014CN102132586B 超声波探头 Ultrasonic probe
05/06/2014US8717849 Slotted cylinder acoustic transducer
05/01/2014US20140122064 Signal processing device and method, and program
05/01/2014US20140119576 Piezoelectric Speaker
04/2014
04/30/2014EP2724748A1 Ultrasound vibrator with various radii of curvature
04/30/2014CN203574860U Piezoelectric ceramic sounding element
04/30/2014CN103765922A Sound generator, sound generating apparatus, and electronic apparatus
04/30/2014CN103765620A Layer composite comprising electroactive layers
04/29/2014US8711657 Converter and measuring apparatus
04/24/2014WO2014061584A1 Electroacoustic transducer, manufacturing method thereof, and electronic device utilizing same
04/23/2014CN203563195U Piezoelectric receiver
04/23/2014CN102265646B Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached
04/17/2014DE112012002438T5 Ultraschallsensorvorrichtung Ultrasonic sensor device
04/16/2014CN103733646A Piezoelectric vibration device and mobile terminal using same
04/16/2014CN102291657B Bicrystal piezoelectric ceramic loudspeaker
04/15/2014US8698377 Dual-mode piezocomposite ultrasonic transducer
04/10/2014WO2014054784A1 Audio device and electronic apparatus employing same
04/10/2014WO2014054264A1 Sound generator, vibrating member for sound generator, and sound generation system
04/10/2014US20140098978 Sound generator and sound-generating apparatus
04/09/2014EP2717025A1 Ultrasonic transmitter/receiver, method for manufacturing same, and ultrasonic flowmeter
04/09/2014EP2717024A1 Ultrasonic transducer and ultrasonic flow-meter
04/09/2014CN203537560U Mobile terminal
04/09/2014CN102572661B Piezoelectric speaker
04/09/2014CN102227919B Ultrasonic wave transmitter/receiver
04/08/2014US8692339 Micromechanical component having a rear volume
04/08/2014US8689415 Methods for manufacturing piezoelectric devices
04/03/2014WO2014051006A1 Sound generator, sound generating apparatus, and electronic apparatus
04/03/2014WO2014050983A1 Acoustic generator, acoustic generation device, and electronic apparatus
04/03/2014WO2014050439A1 Acoustic generator, acoustic generation device, and electronic apparatus
04/03/2014WO2014050214A1 Acoustic generator, acoustic generation device and electronic device
04/02/2014CN203506748U System for recognizing and diagnosing rheumatic heart disease based on sound sensors
04/02/2014CN203506743U Sound transducer and electrointestinogram detecting system based on sound transducer
04/02/2014CN103703795A Piezoelectric vibration device and portable terminal using same
04/02/2014CN103703794A Ultrasound transducer
04/02/2014CN103703793A Electromechanical conversion element and manufacturing method therefor
04/02/2014CN103702615A Ultrasound probe and ultrasound diagnostic device
04/02/2014CN103702247A Bone conduction receiver mounting method and mobile terminal
03/2014
03/27/2014WO2014045720A1 Sound emitter, sound emission device, and electronic apparatus
03/27/2014WO2014045719A1 Sound generator, sound-generating device, and electronic device
03/27/2014WO2014045645A1 Audio emitter, audio emission device, and electronic apparatus
03/27/2014US20140086436 Piezoelectric sounder
03/26/2014CN103686564A Multi-layer monolithic ceramic bi-crystal type piezoelectric bone conduction vibrator
03/26/2014CN103686563A Panel type loudspeaker used for mobile phone or tablet computer
03/26/2014CN103686562A Bi-crystal piezoelectric ceramic sound generator structure used for mobile phone and tablet computer
03/26/2014CN103686561A Single-crystal piezoelectric ceramic sound generator structure used for mobile phone and tablet computer
03/26/2014CN103686560A Single-crystal piezoelectric ceramic receiver used for mobile phone and tablet computer
03/26/2014CN103686559A Piezoelectric sounder
03/20/2014US20140079255 Plane-Type Speaker and AV Apparatus
03/19/2014DE202014000660U1 Piezolautsprecher-System Piezo speaker system
03/19/2014CN103649008A Lead-free piezoelectric ceramic composition, method for producing same, piezoelectric element using lead-free piezoelectric ceramic composition, ultrasonic processing machine, ultrasonic drive device, and sensing device
03/12/2014CN203482389U Piezoelectric loudspeaker driving device
03/12/2014CN103636233A Piezoelectric excitor
03/12/2014CN102132584B Ultrasonic transducer, electronic device, and ultrasonic endoscope
03/06/2014WO2014035622A1 Thin film bone-conduction transducer for a wearable computing system
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