Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
07/2006
07/19/2006CN1806468A Acoustic device
07/19/2006CN1806467A Improvements to loudspeaker driver assemblies
07/19/2006CN1265679C Loundspeaker diaphragm
07/19/2006CN1265677C Panel-form loadspeaker
07/18/2006US7079661 Speaker for super-high frequency range reproduction
07/13/2006WO2006073604A1 Loudspeaker plastic cone body
07/13/2006WO2006072910A2 Loudspeaker having a movable cone body
07/13/2006US20060153420 Speaker and device using the same
07/13/2006US20060153406 Bending wave loudspeaker
07/13/2006US20060150395 Method for manufacturing an electroacoustical transducer comprising a membrane configuration
07/13/2006DE19610997B4 Elektrodynamischer Schallwandler mit Magnetspaltenabdichtung und Hörhilfe An electrodynamic transducer with magnetic seal gaps and hearing aid
07/13/2006DE102005059737A1 Akustische Vorrichtung und Flachlautsprecher dafür Acoustic device and flat panel speaker for
07/13/2006DE102004059067A1 Folie für einen Air-motion Lautsprecher Film for Air-motion speakers
07/13/2006CA2586928A1 Loudspeaker plastic cone body
07/12/2006EP1678984A2 Module for the production of transmitter panels and sound receivers, panel thus produced
07/11/2006US7076315 Efficient computation of log-frequency-scale digital filter cascade
07/06/2006US20060147051 Audio system
07/06/2006US20060145570 Sound detecting mechanism
07/06/2006DE102004061314A1 Lautsprechermemebran und Verfahren zum Herstellen einer Lautsprechermembran Lautsprechermemebran and method for manufacturing a speaker diaphragm
07/05/2006EP1677575A2 Sound reproducing screen for an ultrasonic converting and reproducing method
07/05/2006EP1532743A4 Subminiature bone vibrating speaker using the diaphragm and mobile phone thereby
07/05/2006CN1799280A Flat panel speaker
07/04/2006US7072485 Application of primer after corona discharge, and surface treatment of the loudspeaker diaphragm by the gas plasma treatment method using parallel flat electrodes
06/2006
06/29/2006WO2005083550A3 Display device having sound-generating means
06/29/2006US20060141658 Corrugated diaphragm
06/29/2006US20060137935 Diaphragms for loudspeaker drive units
06/29/2006DE202006005257U1 Sound equalising adjuster with inserted stiffening body that is conical and comprises outwards directed vault, at least in its edge region towards rim
06/28/2006EP1673962A1 Loudspeaker
06/28/2006CN1795699A Sound detection mechanism
06/28/2006CN1795698A Display screen loudspeaker
06/28/2006CN1794883A Panel loudspeaker
06/28/2006CN1794882A Loudspeaker suspension
06/22/2006WO2006064725A1 Loudspeaker
06/21/2006EP1672956A1 Speaker system, speaker module, and electronic devices employing the same
06/21/2006CN1792118A Apparatus and method for calculating a discrete value of a component in a loudspeaker signal
06/21/2006CN1261002C Acoustic device
06/15/2006WO2006060984A1 Air-motion loudspeaker and diaphragm thereof
06/14/2006EP1670281A1 Speaker module and appratus using this
06/14/2006EP1668955A2 Audio loudspeaker
06/14/2006CN1788525A Loudspeaker unit with an acoustic panel
06/14/2006CN1787692A Mini microphone film
06/13/2006US7062064 Flat panel loudspeaker arrangement
06/13/2006US7062063 Electroacoustic transducer
06/13/2006US7062061 Speaker apparatus
06/13/2006US7062058 Cylindrical microphone having an electret assembly in the end cover
06/13/2006US7062051 Acoustic device
06/08/2006US20060120554 Speaker device and method of manufacturing the speaker device
06/08/2006DE10121663B4 Vibrationslautsprecher Vibration speaker
06/07/2006EP1665879A1 Electromechanical force transducer
06/07/2006EP1532840B1 Loudspeaker with inverted cone
06/07/2006CN2786893Y Call receiver vibrating film with high voice quality
06/07/2006CN1784928A Apparatus and method for generating acoustic energy in receiver assembly
06/07/2006CN1784927A Apparatus and method for generating acoustic energy in receiver assembly
06/07/2006CN1784925A Transmission of acoustic vibrations to a surface over the display of a mobile device
06/06/2006US7058365 Business card with integrated paper cell phone
06/01/2006WO2006056871A2 Composite material comprising ultra-hard particles embedded in a metal or metal alloy matrix and diaphragm made thereof
06/01/2006WO2005079266A3 Audio speaker with wobble free voice coil movement
06/01/2006US20060113144 Direct radiation pure beryllium acoustic transducer having a concave membrane , used for audio applications, especially for loudspeaker cabinets
06/01/2006DE102005052679A1 Foil or film for a jet high tone loud speaker having a membrane film and operating using the air motion principle and with aluminium conductive tracks on both sides of the film
05/2006
05/31/2006CN2785298Y Hanging side structure of loudspeaker
05/31/2006CN1780497A Flat panel speaker
05/31/2006CN1780496A Sounding membrane board of loundspeaker
05/31/2006CN1780494A Flat panel output apparatus and method
05/30/2006US7054459 Surrounding structure of a loudspeaker
05/26/2006WO2006055801A2 Loudspeaker with assembly and performance improvements
05/26/2006WO2006054687A1 Diaphragm and loudspeaker using same
05/26/2006WO2006054337A1 Panel-type loudspeaker device
05/24/2006EP1659823A2 Loudspeaker suspension
05/24/2006EP1658753A1 Loudspeaker having a composite diaphragm structure
05/23/2006US7050601 Voice coil of speaker
05/23/2006US7050600 Speaker system, mobile terminal device, and electronic device
05/23/2006CA2261004C Biocompatible, implantable hearing aid microactuator
05/18/2006WO2006052643A2 Microphone diaphragms defined by logarithmic curves and microphones for use therewith
05/18/2006US20060104473 Loudspeaker diaphragm systems
05/18/2006DE112004001143T5 Paneel-Lautsprecher Panel speakers
05/18/2006DE10345645B4 Lautsprecheranordnung Speaker assembly
05/17/2006CN1774954A Acoustic transducer
05/11/2006US20060098838 Dynamic micro speaker with dual suspension
05/11/2006US20060098829 Bone conduction device
05/11/2006US20060096803 Loudspeaker having an outer edge
05/10/2006EP1655994A2 Flat panel speaker
05/10/2006EP1655930A1 Portable apparatus having a flat-panel speaker incorporated in the display and control method therefor
05/10/2006EP1654908A1 Loudspeaker with undulated membrane
05/10/2006EP1654907A1 Shallow loudspeaker
05/10/2006CN1771756A Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet
05/10/2006CN1771755A System for the projection of cinematographic works or digital works with sound
05/10/2006CN1256003C Method for producing membranes for electroacoustic transducers and membranes
05/09/2006US7043046 Method for manufacturing an electroacoustical transducer comprising a membrane configuration
05/09/2006US7043045 Speaker
05/04/2006US20060092854 Apparatus and method for calculating a discrete value of a component in a loudspeaker signal
05/04/2006US20060090955 Microphone diaphragms defined by logarithmic curves and microphones for use therewith
05/03/2006EP1653769A1 Speaker apparatus
05/03/2006CN1255002C Loudspeaker device
05/02/2006US7038356 Mechanical-to-acoustical transformer and multi-media flat film speaker
04/2006
04/27/2006US20060088184 Speaker device
04/26/2006EP1651003A2 Speaker device
04/26/2006EP1649720A1 Panel-shaped acoustic wave generator
04/26/2006EP1020096A4 Miniature full range loudspeaker
04/26/2006CN1765152A Speaker and method for manufacturing the same
04/26/2006CN1765151A Loudspeaker
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