Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
04/2008
04/29/2008US7364009 Loudspeaker mounting frame, loudspeaker and cabinet comprising a loudspeaker
04/24/2008DE202007016414U1 Magnetantriebsvorrichtung für einen Schallwandler, insbesondere einen Air-Motion-Transformer (AMT) bzw. Schallwandler mit einer solchen Magnetantriebsvorrichtung Magnetic drive device for a transducer, in particular an Air Motion Transformer (AMT) or transducer with such a magnetic drive device
04/23/2008CN100384301C Loudspeaker vibrating diaphragm and dynamic loudspeaker
04/22/2008US7360626 Audio speaker with wobble free voice coil movement
04/17/2008WO2008043260A1 Vibrating system of panel form electrodynamic loudspeaker
04/17/2008US20080087493 Diaphragm For Planar Speaker And Planar Speaker
04/16/2008EP1912469A1 Speaker formed with screen as a unitary block
04/16/2008CN101163352A Whole tone field loudspeaker
04/10/2008US20080085029 In-wall speaker system method and apparatus
04/10/2008US20080085019 Display Device Comprising a Panel Acoustic Transducer, and Transparent Panel Acoustic Transducer
04/10/2008US20080085016 Loudspeaker Unit with an Acoustic Panel
04/09/2008EP1673961B1 Valve and dispensing device comprising one such valve
04/09/2008CN100381015C Panel-shaped loudspeaker
04/09/2008CN100380302C Contact sensitive device and method
04/02/2008CN101155435A Loudspeaker box
03/2008
03/27/2008WO2008035878A1 Speaker apparatus providing with visual screen
03/27/2008DE102006042855A1 Kondensatormikrofon Condenser microphone
03/27/2008DE102006041975A1 Ultraschallsensor und Verfahren zur Herstellung eines Ultraschallsensors Ultrasonic sensor and method of fabricating an ultrasonic sensor
03/26/2008CN201042072Y Combined vibration film for micro sound part
03/26/2008CN101151939A Acoustic assembly for a transducer
03/26/2008CN100377620C Loudspeaker system
03/19/2008EP1900248A2 Diaphragm for an electroacoustic transducer, and electroacoustic transducer
03/19/2008CN201039456Y Speaker with mutually reverse arc vibration film in same radius
03/19/2008CN201039454Y Compound vibration film of micro-pronunciation part
03/19/2008CN201039453Y Hollow vibration film for vibration film around vibration film
03/19/2008CN201039452Y Speaker drum paper
03/19/2008CN101147422A Membrane with high resistance against buckling and/or crinkling
03/19/2008CN100376122C Vibrating diaphragm edgefold of loudspeaker
03/18/2008US7346182 Electroacoustic transducer and method for manufacturing the same
03/18/2008US7344001 Speaker diaphragm and speaker structure
03/13/2008WO2008030026A1 Diaphragm for sound converter and sound converter
03/13/2008WO2008029083A1 Bending wave panel loudspeakers
03/13/2008US20080063235 Loudspeaker
03/13/2008DE102006039455A1 Surface loudspeaker device for installation in building wall, has passive filter unit implemented separately from surface diaphragm for positioning of surface diaphragm independently in limited area, and covering adjusting unit
03/13/2008DE102006039454A1 Planar loudspeaker device for use in compact disc player, has passive filter unit provided for integration into building wall and exhibiting adjusting unit with adjusting values designed for predetermined surface layers on surface diaphragm
03/13/2008DE102006039453A1 Planar loudspeaker device for installation in building wall, has uncoupling unit provided for partially uncoupling passive filter unit and partially integrated in filter unit, where filter unit is provided for integration into building wall
03/13/2008DE102006039452A1 Flächenlautsprechervorrichtung Panel loudspeaker device
03/12/2008CN101142850A Speaker
03/06/2008US20080058002 Electron device
03/05/2008EP1895812A2 Electro-acoustic transducer
03/05/2008EP1228664B1 Electroacoustic transducer having a diaphragm with coil mounting projections and interposed stabilizing walls
03/05/2008CN101138272A Diaphragm for planar speaker and planar speaker
03/05/2008CN101138271A Loudspeaker having a movable cone body
03/05/2008CN101137251A Sounding vibration board structure of loudspeaker
02/2008
02/28/2008WO2008023419A1 Speaker
02/27/2008EP1892995A2 Flat panel loudspeaker device
02/26/2008US7336797 Apparatus and method for generating acoustic energy in a receiver assembly
02/26/2008US7336795 Card sound device and electronic apparatus having same
02/26/2008US7336793 Loudspeaker system for virtual sound synthesis
02/21/2008WO2008019747A1 Sound transducer device
02/21/2008US20080044044 Dual Diaphragm Electroacoustic Transducer
02/20/2008EP1889511A1 Improved membrane for an electroacoustic transducer
02/19/2008US7333621 Conductive stub of sound exciter
02/19/2008US7333620 Acoustic transducer with mechanical balancing
02/19/2008US7332215 Resin-molded component and method for manufacturing thereof as well as diaphragm for loudspeaker
02/14/2008WO2007141685A3 Acoustic device and method of manufacturing same
02/13/2008EP1123633B1 Method for sound reproduction and pillar loudspeaker
02/13/2008CN100369384C Subminiature bone vibrating speaker using the diaphragm and mobile phone thereby
02/07/2008WO2006091328A3 Camera vision fire detector and system
02/07/2008DE102006035010A1 Flächenlautsprecher mit einer Schwingspule Panel loudspeaker with a voice coil
02/06/2008CN201018658Y Novel structural acoustics drum papers
02/06/2008CN101120614A Method for producing diaphragm for speaker
02/06/2008CN101119597A Panel type loudspeaker structure
02/05/2008US7325650 Speaker
01/2008
01/31/2008US20080027158 Speaker Diaphragm
01/31/2008US20080023259 Speaker edge and resonator panel assembly
01/31/2008DE102006058736B3 Waterproof loudspeaker has housing and sound-delivering diaphragm, where sound-delivering diaphragm is bending-resistant diaphragm connected with exciter
01/30/2008EP1883270A2 Panel loudspeaker with a voice coil
01/29/2008US7324659 Speaker and method of manufacturing the same
01/29/2008US7324658 Speaker
01/24/2008US20080019543 Silicon microphone and manufacturing method therefor
01/24/2008DE202007015698U1 Dynamischer Lautsprecher Dynamic speaker
01/23/2008EP1881736A2 Piezoelectric electroacoustic transducing device
01/23/2008EP1881734A1 Speaker
01/23/2008EP1881732A1 Magnetic membrane suspension
01/23/2008CN101112119A Piezoelectric speaker and method for manufacturing the same
01/23/2008CN101112118A Loudspeaker diaphragm and method for producing a loudspeaker diaphragm
01/17/2008WO2008008034A1 High frequency diaphragm and voice coil assembly
01/17/2008CA2656924A1 High frequency diaphragm and voice coil assembly
01/16/2008EP1878305A2 Acoustic assembly for a transducer
01/16/2008EP1878304A1 Image projection device with sound reproduction device
01/15/2008US7319773 Subminiature bone vibrating speaker using the diaphragm and mobile phone thereby
01/15/2008US7319772 Speaker device for improving mid/high-range frequencies
01/15/2008US7318496 Acoustic radiator with a baffle of a diameter at least as large as the opening of the speaker enclosure to which it is mounted
01/10/2008US20080006475 Diaphragm for speaker and manufacturing method therefor
01/10/2008DE102006031433A1 Exciter für Flachmembranlautsprecher Exciter for flat panel loudspeaker
01/09/2008EP1876859A2 Diaphragm for speaker and manufacturing method therefor
01/09/2008EP1340407B1 Loudspeakers
01/09/2008CN201004712Y A flexible wave for loudspeaker
01/09/2008CN101103651A 带涂层的扬声器圆顶 Coated dome speaker
01/09/2008CN101102619A Diaphragm for speaker and manufacturing method therefor
01/08/2008US7316290 Acoustic lens system
01/03/2008WO2008002049A1 Electrostatic speaker having ventilative diaphragm
01/03/2008WO2008001995A1 Speaker
01/03/2008WO2008001994A1 Speaker
01/03/2008WO2008001993A1 Speaker
01/02/2008CN201001193Y Vibration sounder
01/02/2008CN101099412A Process for producing speaker diaphragm, speaker diaphragm produced by the process, and speaker with the diaphragm
01/02/2008CN101099410A Piezoelectric sounding body
01/01/2008US7315628 Diaphragm for loud speaker and loud speaker employing it
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