Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555) |
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03/20/2003 | US20030052355 Integrated sound transmitter and receiver, and corresponding method for making same |
03/20/2003 | US20030051940 Loudspeaker drive units with flat surround |
03/19/2003 | EP1078300B1 Projection Screen |
03/18/2003 | US6535612 Electroacoustic transducer with diaphragm securing structure and method |
03/18/2003 | US6532644 Method of making a piezoelectric speaker with a unitary body comprising a base section and dome shaped vibrating section |
03/13/2003 | WO2002045460A3 Loudspeakers |
03/13/2003 | US20030048919 Suspension for speaker |
03/13/2003 | US20030048915 Communication device using bone conduction |
03/13/2003 | US20030047377 Loudspeaker with improved mounting structure for the surround |
03/13/2003 | DE10135414C1 Herstellung nicht-flacher Membranen für elektroakustische Wandler Production of non-flat membranes for electroacoustic transducers |
03/12/2003 | CN1402589A Method for mfg. diamondoid composite diaphragm of loudspeaker |
03/12/2003 | CN1402582A Surface acoustic wave device |
03/06/2003 | WO2003019976A2 Acoustic device |
03/06/2003 | WO2002043434A3 Electrodynamic bending moment driver |
03/05/2003 | EP1078552B1 Device for dynamic excitation of panel loudspeakers |
03/05/2003 | CN2539368Y Combined layer diaphragm with conductor |
03/05/2003 | CN1401202A Planar loudspeaker |
03/05/2003 | CN1400813A Electroacoustic converter |
02/27/2003 | WO2003001885A3 Multimedia and entertainment system for an automobile |
02/26/2003 | CN1399496A Loudspeaker driver with flat wrapping layer |
02/20/2003 | WO2003015462A2 Loudspeaker with a three-dimensional diaphragm |
02/20/2003 | US20030035560 Acoustic device |
02/20/2003 | US20030035557 Surface acoustic wave device |
02/19/2003 | EP0996779B1 Molded aramid sheets |
02/18/2003 | US6522760 Active acoustic devices |
02/13/2003 | WO2003013187A1 Production of non-planar membranes for electroacoustic converters |
02/13/2003 | WO2003013186A1 Planar loudspeaker |
02/13/2003 | WO2003013182A1 Sound reproducing system using sound pressure |
02/13/2003 | WO2003013180A2 Acoustic device |
02/13/2003 | WO2002065451A9 Floor mat with voice-responsive display |
02/13/2003 | WO2001084883A3 Planar speaker wiring layout |
02/13/2003 | US20030031337 Loudspeaker with a three-dimensional diaphragm |
02/13/2003 | US20030031331 Bending wave acoustic panel |
02/13/2003 | CA2456032A1 Sound reproducing system using sound pressure |
02/13/2003 | CA2455619A1 Production of shaped diaphragms for electroacoustic transducers |
02/12/2003 | EP1283002A2 Loudspeaker having an acoustic panel and an electrical driver |
02/12/2003 | CN1396752A Piezoelectric electroacoustic transducer |
02/11/2003 | US6519349 Loudspeaker |
02/11/2003 | US6519347 Panel-form loudspeakers |
02/11/2003 | US6519346 Speaker apparatus and electronic apparatus having a speaker apparatus enclosed therein |
02/06/2003 | WO2003010997A1 Flat speaker of full-face driving |
02/06/2003 | DE19737461C2 Akustischer Wandler und elektrisches Gerät hiermit Acoustic transducer and electrical appliance hereby |
02/05/2003 | EP1282337A2 Electroacoustic transducer |
02/05/2003 | CN1395812A Method for manufacturing speaker |
02/04/2003 | US6516077 Electroacoustic transducer |
01/30/2003 | WO2003009640A2 Electroacoustic transducer comprising a membrane with an improved pleats area |
01/30/2003 | WO2003009635A2 Loudspeaker system |
01/30/2003 | WO2003009219A2 Electronic article comprising loudspeaker & touch pad |
01/30/2003 | US20030021436 Laminated aluminum polypropylene (LAP) multi-layers loudspeaker diaphragm |
01/30/2003 | US20030021435 Electroacoustic transducer |
01/30/2003 | US20030021431 Acoustic device |
01/29/2003 | EP1279317A1 Membrane with embossed surface |
01/29/2003 | CN1394457A Transducer |
01/29/2003 | CN1394456A Speaker edge, method of foam-molding same, apparatus for foam-molding same, speaker edge foam-molding system, and speaker employing speaker edge |
01/28/2003 | US6510919 Facing system for a flat panel radiator |
01/23/2003 | WO2002043437A3 Wave field synthesys sound reproduction system using a distributed mode panel |
01/23/2003 | US20030015942 Piezoelectric electroacoustic transducer |
01/22/2003 | EP1278397A2 Loudspeaker drive unit with flat surround |
01/22/2003 | EP0965245B1 Acoustic device |
01/22/2003 | CN2532650Y Multi-point transmission plastics-steel vibration film |
01/21/2003 | US6510232 Electroacoustic transducer having diaphragm with coil mounting projections and interposed stabilizing walls |
01/21/2003 | US6508947 Method for fabricating a micro-electro-mechanical fluid ejector |
01/16/2003 | WO2003005764A2 Portable acoustic device |
01/16/2003 | DE20114680U1 Projection screen for moving or still pictures, comprises glass pane with sound generator forming glass loudspeaker |
01/15/2003 | EP1276348A1 Method for forming carbon fiber layers for an acoustic diaphragm |
01/15/2003 | CN1391779A Vibration actuator having elastic member between suspension plate and magnetic circuit device |
01/09/2003 | WO2003001885A2 Multimedia and entertainment system for an automobile |
01/09/2003 | US20030007659 Acoustic element |
01/09/2003 | US20030007654 Acoustic device |
01/09/2003 | US20030007653 Active acoustic devices |
01/09/2003 | US20030007648 Virtual audio system and techniques |
01/08/2003 | EP1274272A1 The application of invisible speaker and the method for fabricating the same |
01/08/2003 | EP1273204A2 Acoustic transducer for broad-band loudspeakers or headphones |
01/08/2003 | CN1390433A Electroacoustic transducer with diapharagm securing structure and method |
01/08/2003 | CN1390431A Flat panel speaker |
01/08/2003 | CN1390429A Loudspeaker |
01/07/2003 | US6502662 Speaker having a hemispherical vibrator |
01/03/2003 | WO2002025992A3 Loudspeaker driver |
01/02/2003 | US20030003954 Business card with integrated paper cell phone |
01/02/2003 | US20030003879 Speaker system, mobile terminal device, and electronic device |
01/02/2003 | US20030002696 Electroacoustic transducer with field replaceable diaphragm carrying two interlaced coils, without manipulating any wires |
01/02/2003 | US20030002695 Loudspeaker diaphragm |
01/02/2003 | EP1271999A2 Speaker for a mobile device |
01/02/2003 | EP1271998A2 Speaker system, mobile terminal device, and electronic device |
01/02/2003 | EP1271997A2 Loudspeaker diaphragm |
01/02/2003 | EP1269793A1 Single end planar magnetic speaker |
01/01/2003 | CN1388727A Method for prodcing vibrating plate of loudspeaker and vibrating plate for loudspeaker |
12/27/2002 | WO2002104069A1 Diaphragm structure of light sound converter |
12/27/2002 | WO2002104065A2 Mobile telephone |
12/26/2002 | US20020196961 Panel-shaped loudspeaker |
12/25/2002 | CN1387378A Method for making hidden loudspeaker and its application |
12/25/2002 | CN1387352A Loudspeaker |
12/19/2002 | WO2002102113A1 Speaker |
12/19/2002 | US20020193137 Mobile telephone |
12/19/2002 | US20020191808 Single-ended planar-magnetic speaker |
12/19/2002 | US20020191807 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein |
12/19/2002 | US20020191803 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein |
12/17/2002 | US6494289 Device for dynamic excitation of panel loudspeakers |
12/12/2002 | WO2002063922A3 Improved single-ended planar-magnetic speaker |
12/11/2002 | EP1264511A1 Flat-panel loudspeaker |