Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
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04/26/2006 | CN1764327A Loudspeaker diaphragm |
04/25/2006 | US7035425 Frequency response enhancements for electro-dynamic loudspeakers |
04/25/2006 | US7035419 Anti-resonant structure for speakers |
04/19/2006 | EP1647162A1 Loudspeaker and microphone based on the principle of the center of percussion |
04/19/2006 | EP1123634A4 Parametric loudspeaker with electro-acoustical diaphragm transducer |
04/19/2006 | CN2774063Y Suspended edge structure of loudspeaker |
04/18/2006 | US7031488 Super tweeter |
04/18/2006 | US7030522 Exciter for directly vibrating board |
04/13/2006 | WO2006038176A1 Display device comprising a panel acoustic transducer, and transparent panel acoustic transducer |
04/13/2006 | WO2006037586A1 Loud speaker arrangement in a motor vehicle |
04/13/2006 | US20060078153 Speaker having spacer ring inside frame |
04/13/2006 | DE202006002893U1 Magnetic device for loudspeaker system e.g. for underground stations, prevents adhesion of foreign bodies on loudspeaker or loudspeaker membrane |
04/12/2006 | EP1646264A2 Loudspeaker apparatus |
04/12/2006 | EP1645163A1 Diaphragms for loudspeaker drive units |
04/12/2006 | EP1645161A1 Audio system |
04/12/2006 | EP1525775B1 One-magnet rectangular transducer |
04/12/2006 | CN1759635A Apparatus and method for producing sound |
04/12/2006 | CN1759632A Bone conduction device |
04/12/2006 | CN1758815A Loudspeaker apparatus |
04/12/2006 | CN1251555C Edge body of loudspeaker forming method |
04/11/2006 | US7027610 Loudspeaker |
04/11/2006 | US7027609 Diaphragm for speakers |
04/11/2006 | US7025170 Speaker |
04/06/2006 | WO2006035413A1 Loudspeaker with an acoustic membrane |
04/06/2006 | WO2006035412A1 Loudspeaker with an acoustic member |
04/06/2006 | WO2005101899A3 Acoustic device & method of making acoustic device |
04/06/2006 | US20060072248 Electro-dynamic exciter |
04/06/2006 | US20060070796 Electroacoustic transducer comprising a memberane with a middle area comprising stiffening grooves |
04/05/2006 | CN1756445A Ribbon type sound film of plane loudspeaker and its manufacturing method |
04/05/2006 | CN1756442A Monomer sound film for producing diapason and tone quality variation using every part material change |
04/05/2006 | CN1250043C Resonant panel-form loudspeakers |
04/05/2006 | CN1250042C Loudspeaker |
04/04/2006 | US7023066 Silicon microphone |
03/30/2006 | US20060068858 Slider mobile telephone comprising a bending wave loudspeaker |
03/30/2006 | US20060065475 Acoustic device |
03/29/2006 | EP1639858A2 Improvements to loudspeaker driver assemblies |
03/29/2006 | CN1753573A Speaker diaphragm and method of forming the same |
03/29/2006 | CN1248542C Loudspeaker |
03/28/2006 | US7020302 Speaker, speaker module, and electronic equipment using the speaker module |
03/23/2006 | WO2006030760A1 Speaker system |
03/23/2006 | US20060062421 Diaphragm for loud speaker and loud speaker employing it |
03/23/2006 | DE10334062B4 Elektroakustischer Wandler Electro-acoustic transducer |
03/22/2006 | EP1446237A4 Manufacture having double sided features in a metal-containing web formed by etching |
03/22/2006 | CN1247046C Loudspeaker |
03/15/2006 | EP1635608A1 Sound detection mechanism |
03/15/2006 | EP1634481A2 Display screen loudspeaker |
03/09/2006 | US20060050923 Planar-magnetic speakers with secondary magnetic structure |
03/09/2006 | US20060050904 Acoustic actuators |
03/08/2006 | EP1247422B1 Regressively hinged spider |
03/08/2006 | CN2764099Y Monomer structure |
03/08/2006 | CN2764097Y Loudspeaker cone coated with metal layer |
03/08/2006 | CN2764096Y Vibration piece of loudspeaker |
03/07/2006 | US7010143 Rectangular panel-form loudspeaker and its radiating panel |
03/07/2006 | US7010141 Speaker device |
03/07/2006 | US7010140 Electroacoustic transducer |
03/02/2006 | WO2006022119A1 Speaker |
03/02/2006 | US20060042870 Speaker, speaker module and electronic apparatus using this |
03/02/2006 | DE10023065B4 Ultraschallsensor für ein Kraftfahrzeug Ultrasound sensor for a motor vehicle |
03/01/2006 | EP1629689A1 Flat panel speaker |
03/01/2006 | EP1629688A1 Loudspeaker unit with an acoustic panel |
02/22/2006 | EP1627551A2 Apparatus and method for generating acoustic energy in a receiver assembly |
02/22/2006 | EP1627550A2 Apparatus and method for generating acoustic energy in a receiver assembly |
02/22/2006 | CN1243458C 扬声器驱动器 Speaker Driver |
02/22/2006 | CN1243457C Composite loudspeaker diaphragm and its manufacture method |
02/16/2006 | WO2006016294A1 Panel-acoustic transducer comprising an actuator for actuating a panel, and sound-generating and/or recording device |
02/16/2006 | DE102004034882A1 Treiber Driver |
02/16/2006 | DE102004031969A1 Weich-modifizierte Polyvinylacetalharze Soft-modified polyvinyl |
02/15/2006 | CN1735283A Support folded ring with mutually reverse-wave on identical peripheral line |
02/09/2006 | US20060029240 Loudspeakers |
02/09/2006 | US20060028751 Drive mechanism |
02/08/2006 | EP1623597A2 Mobile device for transmitting over the display acoustic vibrations to a surface |
02/08/2006 | CN1732710A Loudspeaker |
02/07/2006 | US6996246 Speaker apparatus |
02/02/2006 | US20060023902 Compliant diaphragm for planar magnetic transducers |
02/01/2006 | EP1621046A1 Loudspeaker system for virtual sound synthesis |
02/01/2006 | CN1729715A Acoustic actuators |
02/01/2006 | CN1240249C Sound producing device of speaker |
01/31/2006 | US6993146 Speaker having spacer ring inside frame |
01/25/2006 | EP1618761A2 Direct radiation, pure beryllium acoustic transducer having a concave membrane, used for audio applications, especially for loudspeaker cabinets |
01/25/2006 | CN2754304Y Improved structure of loudspeaker |
01/24/2006 | US6988584 Speaker diaphragm edge and its manufacturing method |
01/19/2006 | US20060013433 Audio speaker cone appartus and method of manufacture |
01/19/2006 | DE102004032223A1 Audiovisuelle Anordnung Audio-visual arrangement |
01/19/2006 | DE102004031971A1 Verfahren zur Herstellung von Polyvinylacetalen A process for the preparation of polyvinyl acetals |
01/19/2006 | DE102004028664A1 Schwingungskörper eines Lautsprechersystems Body vibration of a speaker system |
01/18/2006 | EP1617703A2 Speaker apparatus using display window |
01/18/2006 | EP1617701A1 Equalizable active electroacoustic device for panels, and method of converting the panels and assembling the devices |
01/18/2006 | EP1616457A1 Multi-layered membranes consisting of a plurality of materials, for the loudspeaker of a high fidelity loudspeaker cabinet |
01/18/2006 | EP1616456A1 System for the projection of cinematographic works or digitial works with sound |
01/18/2006 | EP1116413B1 Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts |
01/18/2006 | CN1723737A Speaker and device using the same |
01/18/2006 | CN1723736A Slider mobile telephone comprising a bending wave loudspeaker |
01/18/2006 | CN1723735A Speaker, speaker module and electronic apparatus using this |
01/12/2006 | WO2006003367A1 Piezoelectric inertial transducer |
01/12/2006 | US20060008099 Acoustic device |
01/12/2006 | US20060006483 Silicon microphone |
01/12/2006 | DE102004011145B4 Microphone e.g. semiconductor-condenser microphone, for use in mobile phone, has membrane structure with boundary region, which is not movable due to pressure, on which carrier is attached, where region and opposing structure have recesses |
01/11/2006 | EP1615467A1 Loudspeaker |
01/11/2006 | EP1615466A2 Acoustic diaphragm |
01/11/2006 | CN2751498Y Ultra-thin loudspeaker |