Portable electronic device

Details Portable electronic device Portable electronic device

2007-09-18

2007-09-18

Cumming, William D. (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

Reexamination Certificate

active

10802783

ABSTRACT:
A portable electronic device wherein a first case has a first sound radiating hole formed in the front wall thereof and positioned as opposed to a speaker and a second sound radiating hole formed in the rear wall thereof and positioned as opposed to the speaker. The two cases are rotatably joined by a hinge mechanism. The second case has a second knuckle constituting the hinge mechanism and is provided with a strip member for opening or closing the second sound radiating hole with the closing or opening movement of the second case. The strip member has a free end portion to be wound up by the second knuckle to open the second sound radiating hole when the two cases are in a closed state or to be paid out to close the second sound radiating hole when the two cases are in an opened state.

REFERENCES:
patent: 2004/0192417 (2004-09-01), Nagasawa et al.
patent: 2001-309002 (2001-11-01), None
patent: 2002-58094 (2002-02-01), None
patent: 2002-0063023 (2002-08-01), None

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