Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
11/2008
11/27/2008WO2008141785A1 Electro-acoustic sound transducer, receiver and microphone
11/27/2008DE202008012402U1 Flächenlautsprechervorrichtung Panel loudspeaker device
11/26/2008EP1994790A1 Balanced armature bone conduction shaker
11/26/2008EP1336322B1 Electromagnetic driver for a planar diaphragm loudspeaker
11/26/2008CN101313628A Electroacoustic transducer
11/20/2008WO2008139047A2 Active acoustic housing with multiple transducer distributed mode loudspeaker
11/20/2008US20080285769 Audio Devices for Vehicles
11/20/2008DE102007023512A1 Elektroakustischer Schallwandler An electro-acoustic transducer
11/19/2008EP1992192A1 Sound sponge for loudspeakers
11/19/2008CN101310561A Asymmetrical moving systems for a piezoelectric speaker and asymmetrical speaker
11/19/2008CN101310560A Speaker
11/19/2008CN101310559A Speaker
11/18/2008US7454032 Magnesium diaphragm, method of manufacturing the same, and speaker apparatus
11/13/2008WO2008136668A1 Sound generator
11/13/2008WO2008136182A1 Speaker
11/13/2008WO2008136090A1 Speaker device
11/13/2008WO2008135857A1 Loudspeaker with a stiffening element
11/13/2008WO2008135221A1 Membrane or membrane arrangement for an electrodynamic sound transducer, and loudspeaker comprising such a membrane or membrane arrangement
11/13/2008US20080279414 Loudspeaker
11/13/2008US20080277197 Diaphragm structure for micro-electroacoustic device
11/12/2008EP1989915A1 A micro-transducer with improved perceived sound quality
11/12/2008EP1563709A4 Dynamic micro speaker with dual suspension
11/12/2008EP1481569B1 Flexible diaphragm with integrated coil
11/12/2008CN101304622A Audio film structure of electroacoustic apparatus and preparation method thereof
11/12/2008CN100433937C Loudspeakers
11/11/2008US7450729 Low-profile transducer
11/06/2008WO2008132170A1 Flat speaker
11/06/2008DE10346593B4 Schallerzeuger Sound generator
11/06/2008DE102007030811A1 Flachlautsprecher Flat speaker
11/06/2008DE102007023443B3 Dynamic loudspeaker for flat devices, particularly flat television, has convex diaphragm, unit for attachment of edge of diaphragm to housing of loudspeaker and pair of permanent magnet and electrical coil
11/06/2008DE102007020847A1 Membran bzw. Membran-Anordnung für einen elektrodynamischen Schallwandler Membrane or diaphragm assembly for an electrodynamic transducer
11/06/2008CA2685504A1 Flat speaker
11/05/2008EP1988741A1 Piezoelectric sounding body
11/05/2008EP1988740A1 Sound generator
11/05/2008CN201146596Y 一种平板振膜 A flat diaphragm
11/05/2008CN101300895A Acoustic diaphragm and speaker having the same
11/05/2008CN101300893A Converter system for an active noise compensation
11/05/2008CN101300304A Polyarylene sulfide film
11/04/2008US7447322 Speaker having a transparent panel
10/2008
10/30/2008WO2008129695A1 Method of producing diaphragm and speaker and electronic device using the diaphragm
10/29/2008CN101297590A Improvements to audio devices
10/28/2008US7443998 Speaker diaphragm and manufacturing method thereof
10/28/2008US7443996 Loudspeaker
10/28/2008US7443994 Gasket and speaker apparatus
10/23/2008US20080260188 Acoustic Diaphragm and Speaker Having the Same
10/23/2008US20080257638 Production method of an acoustic diaphragm, acoustic diaphragm, and a speaker
10/22/2008EP1621046B1 Loudspeaker system for virtual sound synthesis
10/22/2008CN201138864Y Loudspeaker
10/22/2008CN101292568A Speaker, speaker diaphragm suspension
10/22/2008CN101291548A Speaker surround structure for maximizing cone diameter
10/22/2008CN100428865C Structuro of diaphragm for optoacoustic transducer
10/21/2008US7438156 Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer
10/21/2008US7438155 Tangential stress reduction system in a loudspeaker suspension
10/15/2008EP1980133A2 Non-directional semi-diffuse transducer
10/15/2008CN201131753Y A stethoscope vibration diaphragm
10/15/2008CN101288336A Acoustic diaphragm and speakers having the same
10/15/2008CN101287302A Manufacturing method of power-operated loudspeaker and diaphragm thereof
10/09/2008WO2008120609A1 Speaker equipment
10/08/2008EP1977627A1 Environmental lighting device
10/08/2008CN101282596A Method of manufacturing speaker diaphragms
10/08/2008CN101282593A Speaker diaphragms and dynamic speakers
10/02/2008DE112006003084T5 Knochenleitungs-Shaker mit ausgewogenem Anker Bone conduction shaker balanced armature
10/01/2008EP1976331A1 A separate support structure for loudspeaker diaphragm
10/01/2008EP1974584A2 Bending wave acoustic device and method of making thereof
10/01/2008EP1283002B1 Loudspeaker having an acoustic panel and an electrical driver
10/01/2008CN101277551A Orientation sheet-supporting structure of thin type speaker
10/01/2008CN100423612C Loudspeaker with a three-dimensional diaphragm
10/01/2008CN100423611C Speaker edge, method of foam-molding same, apparatus for foam-molding same, speaker edge foam-molding system, and speaker employing speaker edge
09/2008
09/30/2008US7428946 Suspension and electro-acoustic transducer using the suspension
09/25/2008WO2008115643A1 Microphone and manufacturing method thereof
09/25/2008WO2008113815A1 Diaphragm and use of the diaphragm in a loudspeaker and method for the production thereof
09/25/2008US20080232633 Shallow Loudspeaker
09/25/2008US20080230304 Membrane for an Electroacoustic Transducer
09/25/2008DE102005058629B4 Digitaler Schall-Wandler Digital sound transducer
09/24/2008CN101272637A Electret capacitor type microphone with integral vocal cavity component
09/18/2008WO2008111711A1 Method for manufacturing diaphragm of acoustic transducer
09/18/2008US20080226116 Diaphragm and Loudspeaker Using Same
09/17/2008EP1971185A1 Speaker and electronic apparatus and device using the same
09/17/2008CN201118964Y Vibration board for high-rigidity micro speaker
09/17/2008CN101267689A Capacitor micro microphone chip
09/12/2008WO2008107853A1 Acoustic diffusion enclosure
09/10/2008EP1968345A2 Acoustic vibration reproducing apparatus
09/10/2008EP1966102A1 Sound-generating glazing
09/10/2008CN201114739Y Cloth body structure special for cloth edge
09/10/2008CN101262713A A plane speaker
09/04/2008WO2008106436A1 Composite suspension system for electro-acoustic transducers
09/03/2008CN101257735A Moving armature receiver with reduced parasitic coupling
09/03/2008CN101257734A A moving armature receiver
09/03/2008CN100417304C Acoustic device
08/2008
08/28/2008US20080202845 Membrane with a High Resistance Against Buckling and/or Crinkling
08/28/2008DE112005000074B4 Lautsprecher Speaker
08/28/2008DE102008010298A1 Lautsprechermembran und Lautsprecher mit dieser Membran Speaker diaphragm and speaker with this membrane
08/27/2008EP1960226A1 Display device, in particular a screen
08/27/2008CN101253804A Speaker, image element protective screen, case of terminal, and terminal
08/27/2008CN101253803A Voice output device and method, program, and room
08/27/2008CN101252793A Speaker diaphragm and speaker including the same
08/26/2008US7418109 Diaphragm structure of light sound converter
08/26/2008US7418107 Loudspeaker
08/26/2008US7416047 Diaphragm for a loudspeaker with a moving coil
08/21/2008WO2008099447A1 Process for producing diaphragm for electro-acoustic transducer and diaphragm for electro-acoustic transducer
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