Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 7 - Diaphragms for electromechanical transducers; Cones
Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
07/2014
07/09/2014CN203708458U 一种膜片和扬声器以及应用该扬声器的电子设备 One kind of a speaker diaphragm and a speaker and the application of the electronic device
07/09/2014CN103916801A 一种复合振膜及其制备方法 A composite diaphragm and its preparation method
07/09/2014CN103916800A 一种复合式振膜 A composite type diaphragm
07/09/2014CN102711026B 汽车用压电式低能耗宽频警示装置 Automotive low-power wideband piezoelectric warning device
07/09/2014CN102325294B 声音传感器 Sound Sensor
07/09/2014CN102244832B 电容式传声器芯片 Condenser microphone chip
07/08/2014US8774449 Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
07/03/2014WO2014106271A1 Flow controlled sound generation apparatus
07/03/2014WO2014104039A1 Sound field adjustment filter, sound field adjustment device and sound field adjustment method
07/03/2014WO2014104018A1 Sound generator, sound generating apparatus, and electronic apparatus
07/03/2014WO2014104003A1 Carbonaceous acoustic diaphragm and process for producing same
07/03/2014WO2014103970A1 Sound generator, sound generating apparatus, and electronic apparatus
07/03/2014WO2014103951A1 Sound generator, sound generation device and electronic device
07/03/2014WO2014103454A1 Sound emitter and electronic apparatus employing same
07/03/2014WO2014103427A1 Sound generator, sound generating apparatus, and electronic apparatus
07/03/2014WO2014103424A1 Sound generator, sound generation device and electronic device
07/02/2014CN102326415B 扬声器的振动板和扬声器 Speaker diaphragm and speaker
06/2014
06/26/2014WO2014099073A1 Haptic accessory and methods for using same
06/26/2014WO2014098077A1 Piezoelectric actuator, piezoelectric vibration device, and mobile terminal
06/26/2014WO2014097863A1 Acoustic generator, acoustic generating apparatus, and electronic apparatus
06/26/2014WO2014097862A1 Acoustic generator, acoustic generation device, and electronic device
06/26/2014WO2014097668A1 Acoustic generator, acoustic genera tion device, and electronic device
06/25/2014CN203675307U 用于扬声器的纸盆 For the speaker cone
06/25/2014CN203675306U 一种手机、平板电脑用扬声器振膜 One kind of mobile phones, tablet PCs speaker diaphragm
06/25/2014CN103891314A 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
06/25/2014CN103891313A 便携式终端 The portable terminal
06/25/2014CN102036154B 静电扬声器 Electrostatic speaker
06/25/2014CN101803399B 扬声器 Speaker
06/25/2014CN101601309B 多功能型振动促动器 Multi-functional vibration actuator
06/19/2014WO2014092037A1 Planar speaker and audiovisual device
06/19/2014WO2014091834A1 Acoustic generator, acoustic generation device, and electronic apparatus
06/19/2014WO2014091833A1 Acoustic generator, acoustic generation device, and electronic apparatus
06/19/2014WO2014091813A1 Acoustic generator, acoustic generation device, and electronic device
06/19/2014WO2014091785A1 Audio generator, audio-generation apparatus, and electronic device
06/19/2014WO2014091704A1 Diaphragm, loudspeaker using diaphragm, electronic device and mobile device using loudspeaker, and method for producing diaphragm
06/19/2014WO2014091598A1 Speaker device
06/19/2014WO2014091597A1 Speaker device
06/19/2014US20140169594 Mems component for generating pressure pulses
06/18/2014CN203661279U 一种折环上具有凸点的扬声器用音盆 A compromise ring has a bump on the speaker cone
06/18/2014CN203661278U 复合振膜及包括该复合振膜的微型发声器 Composite diaphragm and includes the composite diaphragm micro Sounders
06/18/2014CN103873993A Electronic device
06/18/2014CN103873989A Voice cone
06/18/2014CN102665162B Film stretching device and film stretching method for production of vibrating films of electret microphones
06/17/2014US8755558 Speaker, hearing aid, earphone, and portable terminal device
06/12/2014WO2014088517A1 Transducer and method of controlling the same
06/12/2014WO2014087914A1 Method for molding piezoelectric polymer and molded body
06/12/2014WO2014086993A1 A loudspeaker
06/12/2014US20140158456 Coated speaker dome and coated diamond products
06/12/2014DE102013009605B3 Speaker chassis for use in compact one-way or two-way loudspeaker systems, has band-shaped profile tightly bonded to membrane area along flow channel, where total area of band-shaped profile is seventy percentage of membrane area of chassis
06/11/2014CN203645823U 车载紧急救援系统的终端装置用扬声器 Car emergency rescue system terminal device with speaker
06/11/2014CN203645792U 水舞音箱 Water Dance Speaker
06/11/2014CN103858443A Loudspeaker
06/11/2014CN103856872A High-fidelity loudspeaker vibrating diaphragm
06/11/2014CN102067630B Electromagnetic converter
06/11/2014CN101485211B Electrostatic speaker having ventilative diaphragm
06/10/2014US8750554 Speaker diaphragm and speaker device
06/05/2014WO2014083998A1 Piezoelectric actuator, piezoelectric vibration device, and portable terminal
06/05/2014WO2014083902A1 Acoustic generator and electronic apparatus using same
06/05/2014DE102012023822A1 Loudspeaker used for manufacture of audio device, has arc-shaped steel strip or curved steel plate that is supported by rigid support so as to stretch folded diaphragm along folding direction
06/04/2014EP2739068A1 Acoustic generator, acoustic generation device, and electronic apparatus
06/04/2014CN203632852U 一种手机喇叭防尘膜 One kind of speaker phone dust-proof membrane
06/04/2014CN103843369A Electrostatic transducer
06/04/2014CN103843367A Sound generator, sound generating apparatus, and electronic apparatus
06/04/2014CN103843361A Electrodynamic exciter
05/2014
05/28/2014EP2736269A1 Self-resonating sound emitting speaker and method for installing self-resonating sound emitting speaker
05/28/2014DE102012221509A1 Integrated device of microphone device, has function layer which is patterned from micro-mechanical functional element, so that function elements are arranged one above other and spaced from each other
05/28/2014DE102012202035B4 Mikromechanisches Bauelement mit einer Membran Micromechanical component with a membrane
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
05/28/2014CN103826193A 圆锥状成形品的制造方法和利用它的扬声器用振动板 The manufacturing method of forming a conical shape and use its speaker diaphragm
05/27/2014US8737671 Light bulb loudspeaker and sound system
05/22/2014WO2014044251A3 Method for stiffening the membrane of an acoustic transducer
05/22/2014DE102013012907B3 Loudspeaker, has loudspeaker membrane comprising centering unit in form of ball calotte, and distance piece surrounded by copper wire coil and comprising hemispherical centering unit that is engaged into ball calotte
05/21/2014EP2732639A1 Voice coil former stiffener
05/21/2014CN103814586A 指向性扬声器 Directional loudspeaker
05/21/2014CN103813242A 振动元件 Vibrating element
05/21/2014CN102057689B 振动板、电音响变换装置、振动板的制造方法及成形体 Means a method of manufacturing a vibrating plate vibrating plate, and the molded electrical acoustic transducer
05/14/2014EP2731354A1 Vibrating element
05/14/2014CN203596912U 扬声器 Speaker
05/14/2014CN203596904U 一种扬声器用镂空式复合振膜 A speaker with a hollow composite diaphragm
05/14/2014CN203596903U 超窄型全频扬声器用纸盆 Ultra-narrow cone full-range speaker
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
05/14/2014CN103797817A 微型悬挂构件 Miniature suspension member
05/14/2014CN103796139A 声学金属振膜 Acoustic metal diaphragm
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
05/08/2014WO2014068834A1 Diaphragm, loud speaker, mobile device, and diaphragm manufacturing method
05/07/2014EP2728903A1 Acoustic generator and acoustic generation device using same
05/07/2014EP2728902A2 Flat-type speaker having n magnets and n+1 voice coil plates
05/07/2014EP2728901A1 Diaphragm comprising a plurality of mass blocks
05/07/2014CN203590430U 扬声器振动系统 Vibration Speaker System
05/07/2014CN203590429U 一种扬声器振膜 A speaker diaphragm
05/07/2014CN103781003A 一种倒装式扬声器 A flip-style speakers
05/07/2014CN101743761B 平板扬声器 Tablet Speaker
05/06/2014US8718317 Moving-magnet electromagnetic device with planar coil
04/2014
04/30/2014EP2725820A1 Vibration module for sound transducer
04/30/2014DE102012219915A1 Verfahren zum Herstellen eines Kondensatormikrofons und Kondensatormikrofon A method for manufacturing a condenser microphone and the condenser microphone
04/30/2014CN103765922A Sound generator, sound generating apparatus, and electronic apparatus
04/30/2014CN103763665A Panel loudspeaker vibrating diaphragm and earphone loudspeaker with vibrating diaphragm
04/30/2014CN103763664A Planar loudspeaker composite vibrating diaphragm of and earphone loudspeaker with same
04/23/2014EP2723104A1 Audio system and audio characteristic control device
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