Speaker unit and a method for manufacturing the same

Details Speaker unit and a method for manufacturing the same Speaker unit and a method for manufacturing the same

1997-05-28

1999-04-06

Dang, Khanh

Acoustics

Diaphragm

Mounting or suspension means

181172, G10K 1300

Patent

active

058921850

ABSTRACT:
A speaker unit has a cylindrical yoke, an annular frame secured to the yoke, and a diaphragm having a central spherical vibrating portion and an annular support portion formed around the vibrating portion and mounted on the annular frame. An annular vertical holding wall is formed on the annular frame, and an annular vertical abutment portion is formed on the annular support portion and abutted against the annular vertical holding wall.

REFERENCES:
patent: 4752963 (1988-06-01), Yamazaki et al.
patent: 4799266 (1989-01-01), Sakamoto et al.
patent: 5157731 (1992-10-01), Mitobe

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