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)
01/2013
01/02/2013CN202652523U Integrated modular passive unit
01/02/2013CN202652511U Loudspeaker diaphragm and loudspeaker
01/02/2013CN202652498U Miniature telescoping tube sound box of enhancing passive diaphragm vibration
01/02/2013CN102859998A An apparatus and associated methods
01/02/2013CN102158170B Drive mechanism
12/2012
12/27/2012US20120325576 Diaphragm for electro-acoustic transducer
12/26/2012EP2538697A1 Loudspeaker system with solar cell
12/26/2012CN202634688U Vibration plate apparatus of electromagnetic vibrator
12/26/2012CN202634687U Novel globe-roof
12/26/2012CN202634686U Dome
12/26/2012CN1894999B Piezoelectric electro-acoustic converter
12/26/2012CN101321407B Girder-type diaphragm and microphone chip composed by the same
12/26/2012CN101213873B Method for manufacturing component for speaker by papermaking, copmponent for speaker by papermaking, vibrating plate for speaker, subcone for speaker, dust cap for speaker, and speaker
12/25/2012US8340341 Coated speaker dome
12/20/2012WO2012173201A1 Audio system and audio characteristic control device
12/20/2012US20120321124 Diaphragm and micro-electroacoustic device incorporating the same
12/19/2012EP2534848A1 Open-baffle loudspeaker
12/19/2012CN202617336U Loudspeaker diaphragm and dome loudspeaker
12/19/2012CN202617335U Titanium-coated composite diaphragm
12/19/2012CN202617334U Loudspeaker voice diaphragm
12/19/2012CN202617324U Earphone in tension membrane structure
12/19/2012CN102833655A Speaker and production method thereof
12/19/2012CN101902676B Dual-sound basin thin speaker
12/13/2012WO2011144893A8 Loudspeaker
12/12/2012CN202602888U Simple three-piece diaphragm-type electret capacitor microphone
12/12/2012CN202602886U Piezoelectric ceramic loudspeaker with improved bass performance
12/12/2012CN202602879U Diaphragm tightening device for producing electret microphone diaphragm
12/12/2012CN202602878U Paper basin with PU (polyurethane) edge for loudspeaker
12/12/2012CN202602873U Water-proof microphone
12/12/2012CN102823275A Sound producing component
12/12/2012CN102823274A Micro-speaker oscillation plate edge material, micro-speaker oscillation plate, micro-speaker, and electronic apparatus
12/12/2012CN102822084A CMOS compatible MEMS microphone and method for manufacturing the same
12/12/2012CN102821345A Film speaker and production method thereof
12/12/2012CN102821342A Loudspeaker
12/12/2012CN101883307B Capacitor MEMS (Micro-Electro-Mechanical System) microphone diaphragm
12/12/2012CN101883306B Diaphragm and capacitance microphone comprising diaphragm
12/12/2012CN101321408B Internal rotation beam diaphragm and microphone chip composed by the same
12/06/2012WO2012164866A1 Speaker
12/06/2012DE112010000679T5 Lautsprechermembran, lautsprecher und verfahren zum herstellen einer lautsprechermembran Speaker membrane, speakers and process for the manufacture of a speaker membrane
12/06/2012DE102012000499A1 Sound transducer e.g. air motion transformer for public address system used in e.g. building, has fan that is provided for producing cool air for cooling membrane portion which is arranged in air gap between pole plates
12/05/2012CN102321297B Loudspeaker diaphragm manufactured from fiber-reinforced resin based composite nanomaterial
12/05/2012CN102295806B Speaker flat plate diaphragm made of vegetable fiber reinforced polypropylene composite material
12/05/2012CN101112118B Loudspeaker diaphragm and method for producing a loudspeaker diaphragm
12/04/2012CA2522519C Direct radiation pure beryllium acoustic transducer having a concave membrane, used for audio applications, especially for loudspeaker cabinets
11/2012
11/29/2012DE102012009917A1 Warning speaker for use in television set, personal computer of different technologies or motor vehicle for outputting warning tone, has speaker unit for outputting warning tone with fixed frequency band, where speaker unit has diaphragm
11/28/2012EP2526705A1 Electrodynamic speaker structure having mems technology
11/28/2012CN101783992B Vibrating diaphragm of electroacoustic transducer and manufacture method thereof
11/28/2012CN101406068B Bending wave acoustic device and method of making thereof
11/28/2012CN101253804B Speaker, image element protective screen, case of terminal, and terminal
11/28/2012CN101002503B Capacitor microphone
11/27/2012US8320605 Electro-acoustic transducer
11/27/2012US8320604 Composite loudspeaker cone
11/22/2012WO2012157691A1 Planar speaker and av device
11/22/2012WO2012156753A1 Electrostatic transducer
11/22/2012WO2012155726A1 Vibrating plate device of electromagnetic vibrator and manufacture method thereof
11/21/2012EP2524521A1 Electrodynamic transducer having a dome and a buoyant hanging part
11/21/2012EP2524520A1 Electrodynamic transducer having a dome and an inner hanging part
11/21/2012CN202551336U Sounder
11/21/2012CN202551316U Loudspeaker conductive elastic wave
11/21/2012CN101147422B Membrane with high resistance against buckling and/or crinkling
11/21/2012CN101061745B Loudspeaker with an acoustic membrane
11/15/2012WO2012080912A3 Flat loudspeaker
11/15/2012DE202011050962U1 Anordnung zur Wiedergabe von Audiosignalen Arrangement for playback of audio signals
11/14/2012CN202535522U Piezoelectric ceramic loudspeaker with non-metallic diaphragm
11/14/2012CN202535521U Miniature loudspeaker diaphragm
11/14/2012CN202535520U Vibration plate
11/08/2012US20120281861 Vibration diaphragm and speaker with a vibration diaphragm
11/08/2012US20120279796 Passive radiator
11/07/2012CN202524550U Fixing structure of voice coil lead and diaphragm
10/2012
10/31/2012EP2519029A1 Composite speaker
10/31/2012CN202514062U Dome sound cone
10/31/2012CN202514061U Plate type sound equipment
10/31/2012CN1922923B Method of and device for modifying the properties of a membrane for an electroacoustic transducer
10/26/2012WO2012143657A1 Device for emitting an acoustic wave
10/26/2012WO2012053939A3 Mobile device
10/25/2012US20120269379 Diaphragm used in a loudspeaker and a loudspeaker
10/25/2012DE102011018729A1 Speaker for use in private homes, has diaphragm comprising disc-shaped core made of polyethylene and outer layers made of aluminum, where polyethylene core is enclosed by outer layers
10/25/2012DE102011007861A1 Messvorrichtung sowie eine Magnetresonanzvorrichtung mit einer Messvorrichtung Measuring apparatus and a magnetic resonance apparatus with a measuring device
10/24/2012CN202503659U Thin-type loudspeaker device
10/24/2012CN102752692A Bending vibration panel speaker
10/18/2012WO2012140880A1 Resin molding part for speakers and speaker equipped with same, and electronic device and mobile device each equipped with said speaker
10/18/2012US20120263337 Speaker Diaphragm And Speaker Device
10/18/2012DE102011016934A1 Micro electro mechanical system sensor, has membrane comprising base surface provided with two major axes, where major axes have different diameters, and base surface of membrane is elliptical in shape
10/18/2012DE102011007409A1 Household appliance e.g. refrigerator has speaker with plate-like decorated swinging element that is provided for generating sound, and swinging element that is provided to form surface of main portion
10/17/2012EP2512156A1 Low profile loudspeaker suspension system
10/17/2012EP2512155A1 Reinforced diaphragm for a low profile loudspeaker transducer
10/17/2012CN202496059U Loudspeaker
10/17/2012CN202496055U Piezoelectric ceramic plate and piezoelectric ceramic loudspeaker prepared by using the same
10/17/2012CN202496054U Sound film
10/17/2012CN102740193A Reinforced diaphragm for low profile loudspeaker transducer
10/17/2012CN101091413B Diaphragm for speaker, method for producing the same, speaker using such diaphragm and apparatus using such speaker
10/16/2012US8290183 Illuminating device
10/11/2012WO2012137369A1 Micro-speaker oscillation plate edge material, micro-speaker oscillation plate, micro-speaker, and electronic apparatus
10/11/2012US20120257781 Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
10/10/2012CN202488697U Micro-moving coil type electroacoustic transducer
10/10/2012CN202488695U Miniature speaker
10/10/2012CN202488671U Vibrating system of minitype loudspeaker
10/10/2012CN202488668U Double folded ring panel loudspeaker cone with center holes
10/10/2012CN202488667U Diaphragm of electro-acoustic transducer
10/10/2012CN102726063A Composite speaker
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