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Patent Searching and Data


Title:
SPEAKER UNIT, MANUFACTURING METHOD THEREFOR AND PORTABLE INFORMATION TERMINAL
Document Type and Number:
WIPO Patent Application WO/2010/073836
Kind Code:
A1
Abstract:
Provided are a speaker unit with which disconnection of wire parts or impact with other members can be prevented, a manufacturing method therefor and a portable information terminal. A frame (31) comprises terminals (61, 62). A diaphragm (32) is supported by the frame (31) to be able to vibrate in one direction (DR). A magnet (33) is affixed to the frame (31). A voice coil (50) comprises a coil part (55) and wire parts (51, 52). The coil part (55) is affixed to the diaphragm (32) to receive the magnetic field from the magnet (33). The wire parts (51, 52) electrically connect the coil part (55) and the terminals (61, 62). The wire parts (51, 52) have bends (BD) that are bent in the one direction (DR) from the coil (55) toward the terminals (61, 62).

Inventors:
KOSUDA KZUYUKI (JP)
HATANAKA YUKI (JP)
Application Number:
PCT/JP2009/069158
Publication Date:
July 01, 2010
Filing Date:
November 11, 2009
Export Citation:
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Assignee:
SANYO ELECTRIC CO (JP)
KOSUDA KZUYUKI (JP)
HATANAKA YUKI (JP)
International Classes:
H04R9/04; H04R31/00
Foreign References:
JP2003153382A2003-05-23
JPH06296298A1994-10-21
JP2008118217A2008-05-22
Attorney, Agent or Firm:
Hiroshi Sumiya (JP)
KADOYA HIROSHI (JP)
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