Frame for speaker device and speaker device

Details Frame for speaker device and speaker device Frame for speaker device and speaker device

2008-04-15

2008-04-15

Martin, Edgardo San (Department: 2837)

Acoustics

Diaphragm

Mounting or suspension means

C381S433000

Reexamination Certificate

active

11356020

ABSTRACT:
A speaker device includes a magnetic circuit system and a vibration system including a frame. The frame has a magnetic circuit housing unit housing the magnetic circuit, an outer peripheral portion arranged on an outer side thereof and having an annular shape, and plural arm parts connecting the magnetic circuit housing unit and the outer peripheral portion. A damper mounting part on which an outer peripheral portion of a damper is mounted is formed at the outer peripheral portion of the magnetic circuit housing unit. A rib upwardly standing is provided at the outer peripheral portion of an upper surface of the damper mounting part. The height of the vicinity of the connecting part between the rib and the arm part is set larger than the height of the rib corresponding to an area other than the vicinity, and thus the height of the rib is partly different. By reflecting this, the part of the rib corresponding to the connecting part between the rib and the arm part is formed to have a mountain shape when observed from the side. The height of the rib corresponding to the connecting part between the rib and the arm part is set to the height capable of withstanding the stress operating on the connecting part between the rib and the arm part at the time of the driving of the speaker device, and the height capable of regulating the position of the damper when the damper is mounted on the damper mounting part.

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patent: 2002-142290 (2002-05-01), None
patent: 2004312338 (2004-11-01), None

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