| Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
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| 03/05/2009 | US20090060255 Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet |
| 03/05/2009 | US20090060251 Loudspeaker diaphragm and loudspeaker using the same |
| 03/05/2009 | DE19705758B4 Mikrozelluläres Schäumen, geschäumtes polymeres Material und dessen Verwendung Microcellular foams, foamed polymeric material and its use |
| 03/04/2009 | CN201204691Y Microtype phonating device |
| 03/04/2009 | CN201204688Y Compound diaphragm |
| 03/04/2009 | CN101378603A Loudspeaker diaphragm and loudspeaker using the same |
| 03/03/2009 | US7499563 Speaker device |
| 02/26/2009 | US20090052726 Diaphragm and loudspeaker unit using the same |
| 02/25/2009 | EP2027749A1 Household appliance |
| 02/25/2009 | CN101375631A Diaphragm for electro-acoustic transducer |
| 02/19/2009 | WO2009022085A1 Electrodynamic transducer, in particular of the loudspeaker type with ferrofluid suspension and related devices |
| 02/19/2009 | WO2008139047A3 Active acoustic housing with multiple transducer distributed mode loudspeaker |
| 02/19/2009 | US20090045005 Acoustic Diaphragm and Speakers Having the Same |
| 02/18/2009 | EP2026600A1 Loudspeaker |
| 02/18/2009 | EP2025705A1 Biaxially oriented polyarylene sulfide film |
| 02/18/2009 | EP2025198A1 Dome loudspeaker |
| 02/18/2009 | CN101371615A Speaker and electronic apparatus and device using the same |
| 02/17/2009 | US7492919 Method for fixing a diaphragm in an electroacoustic transducer |
| 02/12/2009 | WO2008143463A3 A sound converting apparatus |
| 02/12/2009 | US20090041291 Speaker diaphragm and electrodynamic loudspeaker using the same |
| 02/12/2009 | US20090038878 Acoustic diaphragm and speaker |
| 02/11/2009 | EP2023655A1 Speaker device |
| 02/11/2009 | EP2023654A1 Flat panel loudspeakers |
| 02/11/2009 | EP2023653A2 Diaphragm and sound output apparatus |
| 02/11/2009 | EP1466500B1 Silicon microphone |
| 02/11/2009 | CN101365254A Acoustic diaphragm and speaker |
| 02/05/2009 | WO2009015554A1 A loudspeaker which has a transparent diaphragm and big voice coil. |
| 02/05/2009 | WO2008136822A3 Integrated audiovisual output device |
| 02/05/2009 | US20090034759 Display device and speaker system for the display device |
| 02/05/2009 | US20090034758 Display device and speaker system for the display device |
| 02/05/2009 | DE102007035189A1 Mechanical vibrations coupling device for use in flat surface loudspeaker, has cover element designed as material support, which comprises recess for accommodating transducer, where support is two-dimensionally connected with plate |
| 02/04/2009 | CN201191917Y Multi-convex positioning support sheet construction of thin type loudspeaker |
| 02/04/2009 | CN201191916Y Flat-plate loudspeaker having double folding ring on diaphragm |
| 02/04/2009 | CN101361401A Diaphragm and speaker using same |
| 02/04/2009 | CN101360693A Sound-generating glazing |
| 02/03/2009 | CA2553720C Plane speaker having coil plate guide device |
| 01/29/2009 | WO2009014198A1 Partition, control method, program, and recording medium |
| 01/29/2009 | WO2009013460A2 Loudspeaker |
| 01/29/2009 | WO2009012783A2 Cone tweeter membrane |
| 01/29/2009 | WO2009012782A1 Flat subwoofer |
| 01/29/2009 | WO2009012781A1 Ring shaped membrane for an electro-acoustical loudspeaker |
| 01/29/2009 | US20090028376 Diaphragm for loudspeaker and loudspeaker |
| 01/29/2009 | US20090026007 Loudspeaker with an acoustic member |
| 01/29/2009 | DE102007034161A1 Sound reproducing and recording method for e.g. emergency telephone at highway, involves partially executing sound reproduction and/or sound recording for exchange of acoustic information by impact sound of emergency call equipment |
| 01/28/2009 | EP1232669B1 Electromechanic film and acoustic element |
| 01/28/2009 | EP1226741B1 Acoustic element |
| 01/28/2009 | CN101356851A 家用器具 Household appliances |
| 01/28/2009 | CN101355825A Diaphragm and sound output apparatus |
| 01/27/2009 | US7483545 Acoustic diaphragm |
| 01/22/2009 | WO2009011102A1 Diaphragm for speaker, speaker using the diaphragm, and system using the speaker |
| 01/22/2009 | WO2008141785A4 Electro-acoustic sound transducer, receiver and microphone |
| 01/22/2009 | WO2007098334A3 Loudspeaker gasketing |
| 01/22/2009 | US20090022356 Electro-Acoustic Transducer |
| 01/22/2009 | US20090022355 Loudspeaker |
| 01/21/2009 | CN201185477Y Vibrating system for miniature moving-coil type electro-acoustic conversion device |
| 01/21/2009 | CN201185473Y Miniature moving-coil type electro-acoustic conversion device diaphragm |
| 01/21/2009 | CN100455142C Capacitance type sound sensor in micro mechanical and electrical structure |
| 01/20/2009 | US7480392 Plate type speaker using horizontal vibration voice coil |
| 01/20/2009 | US7480391 Speaker gasket and its manufacturing method, and speaker device |
| 01/20/2009 | US7480390 Loudspeaker edge |
| 01/20/2009 | CA2144169C Disposable sensing device with cutaneous conformance |
| 01/15/2009 | WO2009009168A1 Distributed mode speaker for mobile devices |
| 01/15/2009 | WO2009008173A1 Diaphragm for speaker, speaker using the diaphragm for speaker, and process for producing the diaphragm for speaker |
| 01/15/2009 | US20090014233 Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer |
| 01/15/2009 | DE102007030665A1 Membrane mit mehrteiligem Aufbau Membrane with fabricated construction |
| 01/14/2009 | CN201182006Y Super stereo speaker |
| 01/08/2009 | WO2009005211A1 Diaphragm with air groove and condenser microphone using the same |
| 01/08/2009 | WO2009004518A1 Membrane for an acoustic device and acoustic device |
| 01/08/2009 | WO2009003658A2 Membrane having a multipart structure |
| 01/08/2009 | US20090010480 Separate Support Structure for Loudspeaker Diaphragm |
| 01/07/2009 | CN101341791A 扬声器 Speaker |
| 01/02/2009 | DE102007029560A1 Membrananordnung für einen Air-Motion-Transformer (AMT) und Schallwandler mit einer solchen Membrananordnung Membrane assembly for an Air Motion Transformer (AMT) and transducer with such a membrane assembly |
| 01/02/2009 | DE102007029030A1 Dynamic loudspeaker for flat TV set, has springs whose respective ends are fastened to one of edges of membrane and to housing, where permanent magnets are fastened to edges of membrane, which is designed to be flat and convex |
| 12/31/2008 | WO2009000519A1 Diaphragm arrangement for an air motion transformer (amt), and sound converter comprising such a diaphragm arrangement |
| 12/31/2008 | CN101336562A 压电致动器及电子装置 The piezoelectric actuators and electronic device |
| 12/30/2008 | US7471804 Flat panel monitor frame with integral speakers |
| 12/30/2008 | US7471801 Device for the generation of or monitoring of vibrations |
| 12/24/2008 | CN201171234Y Loudspeaker |
| 12/24/2008 | CN201171233Y Horn and acoustic enclosure |
| 12/23/2008 | US7467686 Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
| 12/17/2008 | CN201167416Y Electret capacitance microphone with integral vocal cavity element |
| 12/17/2008 | CN101326854A Speaker |
| 12/17/2008 | CN101326075A Display device, in particular a screen |
| 12/16/2008 | US7467071 Waveguide modeling and design system |
| 12/16/2008 | US7466839 Waterproof vibration plate for speaker |
| 12/11/2008 | WO2008150653A1 Diaphragm surround |
| 12/11/2008 | WO2008092645A3 Dynamic sound transducer, and receiver |
| 12/10/2008 | EP1999993A2 Positionally sequenced loudspeaker system |
| 12/10/2008 | CN201163817Y Improved pow wave structure |
| 12/10/2008 | CN101322435A Balanced armature bone conduction shaker |
| 12/10/2008 | CN101321408A Internal rotation beam diaphragm and microphone chip composed by the same |
| 12/10/2008 | CN101321407A Girder-type diaphragm and microphone chip composed by the same |
| 12/09/2008 | US7463749 Diaphragm edge of speaker |
| 12/04/2008 | DE202008012403U1 Flächenlautsprechervorrichtung mit wenigstens einer Befestigungseinheit Surface speaker device having at least one fastening unit |
| 12/03/2008 | EP1996861A2 Lighting and sound reproduction |
| 12/03/2008 | EP1996507A2 Method for fabricating a mems microphone |
| 12/03/2008 | CN101316458A Vibrating body for audio converter and loudspeaker device |
| 12/03/2008 | CN101316456A Vibrating body for audio converter and loudspeaker device |
| 12/03/2008 | CN100439156C Audio devices for vehicles |
| 11/27/2008 | WO2008143463A2 A sound converting apparatus |