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Patent Searching and Data


Title:
スピーカ装置の製造方法、およびスピーカ装置
Document Type and Number:
Japanese Patent JP7291888
Kind Code:
B2
Abstract:
To precisely arrange a voice coil in a magnetic gap.SOLUTION: A manufacturing method of the speaker device includes the steps of: attaching a magnetic circuit 110 to a frame; fitting and arranging a tubular jig 210 inside a magnetic gap of the magnetic circuit 110; arranging a voice coil body 120 along an outer peripheral surface of the jig 210 to insert a coil into the magnetic gap; inserting the jig 210 into an open hole formed on a diaphragm 130; bonding the diaphragm 130 and a tongue piece 125 which is provided by bending an end of a bobbin 122 of the voice coil body 120 radially outward; and pulling out the jig 210 from the magnetic gap.SELECTED DRAWING: Figure 8

Inventors:
Shinya Kagawa
Koichi Kuze
Application Number:
JP2019059357A
Publication Date:
June 16, 2023
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H04R9/04; H04R31/00
Domestic Patent References:
JP2003299188A
JP1215200A
JP2011101282A
JP63003599A
JP6013293U
Foreign References:
US4312118
Attorney, Agent or Firm:
Hiromori Arai
Eisaku Teratani
Shinichi Michisaka