Button key structure integrated with a speaker

Details Button key structure integrated with a speaker Button key structure integrated with a speaker

2005-08-23

2005-08-23

Lao, Lun-yi (Department: 2673)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S168000, C361S689000, C200S0050EA, C200S004000, C235S472010, C455S556200

Reexamination Certificate

active

06933927

ABSTRACT:
A button key structure integrated with a speaker consists of a direction key, a lower lid and a speaker. The direction key is hollow and includes an outer key and an inner key. The outer key is slightly smaller than the key opening and is extended outside the casing. The inner key is slightly larger than the key opening and is confined between the casing and a circuit board. The inner key has contact points located at the bottom to correspond to touch switches located on the circuit board. The lower lid couples with the direction key to form a housing compartment to house the speaker. The speaker connects electrically to the circuit board through a conductive rubber.

REFERENCES:
patent: 4081631 (1978-03-01), Feder
patent: 6570994 (2003-05-01), Berthoud et al.
patent: 6622920 (2003-09-01), Ho et al.
patent: 6680676 (2004-01-01), Hayashi et al.
patent: 6717074 (2004-04-01), Lu
patent: 07-302633 (1995-11-01), None
patent: 09-331165 (1997-12-01), None

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