電気音響変換器 - Star Micronics Co., Ltd.

Title:

電気音響変換器

Document Type and Number:

Japanese Patent JP4260333

Kind Code:

B2

Abstract:

A bobbin unit includes a base portion and a coil winding portion on which a conductor is wound. A hole is formed in a central part of the base portion to allow an armature to pass through. Coil side terminals to which ends of the conductor are fixed and signal input terminals to which an external signal is entered are provided at opposite ends of the base portion with the hole located in between. The coil side terminals are electrically connected to their corresponding signal input terminals inside the base portion. A coil is formed on the coil winding portion by winding the conductor. The ends of the conductor are fixed to the respective coil side terminals.

Inventors:

Kiyoshi Urushiba
Tomoya Suzuki

Application Number:

JP2000074496A

Publication Date:

April 30, 2009

Filing Date:

March 16, 2000

Export Citation:

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