Patents for H04R 7 - Diaphragms for electromechanical transducers; Cones (6,555)
02/2004
02/04/2004EP1386519A2 Sound and vision system
02/03/2004US6687381 Planar loudspeaker
01/2004
01/29/2004WO2004010731A1 Voice coil of speaker
01/28/2004EP1385354A1 Transparent panel-form loudspeaker
01/28/2004EP1384224A2 Display signs
01/28/2004CN1471336A Loudspeaker vibrating membrane
01/21/2004EP1382221A2 Loudspeaker driver
01/21/2004CN1470148A Bending wave loudspeaker
01/21/2004CN1135902C Dome Loudspeaker and producing method thereof
01/20/2004US6681026 Rectangular transducer for panel-form loudspeaker
01/20/2004US6680430 Speaker edge, method of foam-molding the same, apparatus for foam-molding the same, speaker edge foam-molding system, and speaker employing the speaker edge
01/15/2004WO2004006623A2 Multilayer loudspeaker diaphragm
01/15/2004US20040009716 Electrical connectors for electro-dynamic loudspeakers
01/15/2004US20040008863 Frequency response enhancements for electro-dynamic loudspeakers
01/15/2004US20040008862 Conductors for electro-dynamic loudspeakers
01/15/2004US20040008858 Acoustically enhanced electro-dynamic loudspeakers
01/15/2004US20040007420 Speaker and speaker diaphragm
01/14/2004EP1381251A2 Speaker and speaker diaphragm
01/14/2004CN1135058C Acoustic device according to bending wave principle and driving method thereof
01/14/2004CN1135057C Multi-sectional assembled aluminium alloy loud speaker frame
01/13/2004US6676879 Method of making vehicle interior trim panel with integral loudspeaker
01/13/2004US6675931 Low profile audio speaker
01/08/2004WO2004004410A1 Loudspeaker edge
01/08/2004WO2004003062A1 Membranes made of cast polyarylate film
01/08/2004WO2003009219A3 Electronic article comprising loudspeaker & touch pad
01/08/2004US20040005074 Hi-fi tweeter
01/08/2004US20040003960 Loudspeaker diaphragm
01/08/2004CA2486253A1 Membranes made of cast polyarylate film
01/07/2004EP1183904B8 Method for producing membranes for electroacoustic transducers and membranes obtained by this method
01/06/2004US6674872 Speaker
01/06/2004US6672423 Speaker and method of assembling the speaker
01/02/2004EP1377121A1 Device and method for manufacturing speaker diaphragm, the diaphragm, and speaker
01/02/2004EP1377115A2 Loudspeaker diaphragm
01/01/2004US20040001603 Audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore
01/01/2004US20040000447 Connection of sound bowl of loudspeaker
12/2003
12/31/2003WO2003065760A3 Low profile audio speaker
12/31/2003WO2002051201A3 Multi-functional vibro-acoustic device
12/31/2003CN2596705Y Honeycomb imitated integrated formed sound basin
12/31/2003CN1465206A Audio apparatus
12/30/2003US6670686 Integrated sound transmitter and receiver, and corresponding method for making same
12/24/2003WO2003107717A1 A ribbon tape loudspeaker
12/24/2003WO2003009640A3 Electroacoustic transducer comprising a membrane with an improved pleats area
12/24/2003CN2595119Y 扬声器结构 Speaker structure
12/24/2003CN1463565A 扬声器 Speaker
12/24/2003CN1132499C Speaker
12/18/2003WO2003083427A3 Corrugated diaphragm
12/18/2003US20030231784 Surrounding structure of a loudspeaker
12/17/2003EP1125472B1 Loudspeakers comprising a phase uncorrelated diffuse sound source
12/17/2003CN1462566A 扬声器驱动器 Speaker Driver
12/11/2003WO2003059008A3 Diaphragm suspension assembly for loudspeaker transducers
12/11/2003US20030228029 Single end planar magnetic speaker
12/11/2003US20030228027 Sub-woofer with two passive radiators
12/10/2003CN1461175A Small loundspeaker
12/10/2003CN1130952C Electroacoustic transducer
12/09/2003US6661903 Loudspeaker
12/09/2003US6661898 Speaker for an electronic instrument
12/04/2003WO2003101149A1 An audio speaker damper with electrically conductive paths thereon to carry voice coil signals and a method therefore
12/04/2003WO2003101148A1 Speaker with diaphragm reinforcing ring
12/04/2003WO2002082858A3 Sound and vision system
12/04/2003WO2002058433A8 Speaker surround structure for maximizing cone diameter
12/04/2003US20030223613 Speaker diaphragm and manufacturing method thereof
12/04/2003DE20314991U1 Printed sheets such as those of a calendar have an electronic module that acts as an acoustic device playing back signals stored in memory when switch is operated
12/03/2003EP1367854A1 Electroacoustic converter
12/03/2003EP1366638A2 Method for manufacturing an electroacoustical transducer comprising a membrane configuration
12/03/2003EP1366636A2 Planar-magnetic speakers with secondary magnetic structure
12/03/2003EP1366635A2 Panel form loudspeaker
12/03/2003EP1366489A1 Floor mat with voice-responsive display
12/03/2003EP1159852B1 Electronic apparatus incorporating a loudspeaker comprising a bending wave panel member
12/02/2003US6658129 Passive radiator having mass elements
12/02/2003US6655495 Loudspeaker damper and loudspeaker
12/02/2003US6655001 Process for a diaphragm for electroacoustic transducers
11/2003
11/27/2003WO2003098967A1 Edge for speaker diaphragm and method for manufacturing the same
11/27/2003WO2003098964A2 Transducer
11/27/2003US20030219141 Electroacoustic transducer
11/26/2003EP1365626A2 Speaker
11/26/2003EP1364556A1 Speaker surround structure for maximizing cone diameter
11/26/2003CN1458806A Circulate piece for loudspeaker
11/25/2003US6654475 Electricity-to-sound transducer
11/20/2003WO2003096744A1 Means at electromagnetic vibrator
11/20/2003US20030215109 Loudspeaker
11/19/2003EP1190599B1 Stiffened membrane assemblies
11/18/2003US6650759 Speaker
11/13/2003WO2003094573A1 Display comprising an integrated loudspeaker and method for recognizing the touching of the display
11/13/2003WO2003094571A2 Electro-dynamic planar loudspeakers
11/12/2003EP1101388B1 Louspeaker drive unit having a resonant panel-form member
11/12/2003CN1455622A Loudspeaker
11/12/2003CN1455621A Loudspeaker
11/12/2003CN1455619A Vibrating reed
11/12/2003CN1455618A Loudspeaker vibrating diaphragm base material structure and manufacturing method thereof
11/11/2003US6644182 Method of producing cone diaphragm having color patterns
11/06/2003WO2003092324A1 Loudspeaker with a first and a second diaphragm body
11/06/2003WO2002041287A3 Display signs
11/06/2003US20030207882 Aminoheterocyclic derivatives as antithrombotic or anticoagulant agents
11/05/2003EP1359786A2 Speaker apparatus
11/05/2003CN1127283C Loudspeaker and manufacture of same
11/05/2003CN1127282C Loudspeaker
11/05/2003CN1127281C Double-cone loudspeaker
10/2003
10/30/2003WO2003090496A1 Acoustic device
10/30/2003WO2003026344A3 Acoustic device
10/30/2003WO2003013180A3 Acoustic device
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