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US 7,460,682 B2Granted
Voice coil, speaker apparatus using the voice coil, and method for manufacturing the speaker apparatus
AssigneesPioneer Corporation, Tohoku Pioneer Corporation
InventorTatsuya Suzuki
Life of this patent
Estimating the term…
Abstract
There is provided a speaker apparatus manufactured by using a voice coil configured so that a lead wire electrically connected to a coil is clamped between an insulating sheet and a bobbin.
Claims3
A voice coil comprising:
- an electrically conductive bobbin;
- a coil wound on a surface of the bobbin;
- a first insulating sheet stuck to the surface of the bobbin above the coil;
- a second insulating sheet having a metal foil stuck to a part of the surface of the first insulating sheet;
- a first connection portion where the metal foil and an end of the coil are electrically connected to each other;
- a second connection portion where the metal foil and an end of a lead wire are electrically connected to each other;
- and
- a third insulating sheet stuck so as to clamp the lead wire between the third insulating sheet and the bobbin.
5 more elements
A speaker apparatus comprising:
- a voice coil including
- an electrically conductive bobbin;
- a coil wound on a surface of the bobbin;
- a first insulating sheet stuck to the surface of the bobbin above the coil;
- a second insulating sheet having a metal foil stuck to a part of the surface of the first insulating sheet;
- a first connection portion where the metal foil and an end of the coil are electrically connected to each other;
- a second connection portion where the metal foil and an end of a lead wire are electrically connected to each other;
- and
- a third insulating sheet stuck so as to clamp the lead wire between the third insulating sheet and the bobbin.
6 more elements
Dependencies are inferred from the claim text.