Star Micronics Company Limited

Yoichi Gotoh

Yoshiharu Oishi

Yoshikazu Tsuchikiri

Electroacoustic transducer

A pole piece is placed on a lower case A pole piece has a core and a base The bobbin portion extends from the lower case toward the internal space of a case so as to surround the outer periphery of the core The bobbin portion is divided into a plurality of portions along the circumferential direction of the core The bobbin portion has basal parts and elongated parts The pole piece is pressed from the above of the lower case in a state where the bobbin portion is passed through holes of the base to be positioned on the outer periphery of the core so that the pole piece is fitted and placed into the lower case A coil is configured by winding a conductor wire around the elongated parts of the bobbin portion

Growing community of inventors

Shizuoka, Japan

Yoichi Gotoh