Electronic device including separable and independently...

Details Electronic device including separable and independently... Electronic device including separable and independently...

2005-02-15

2005-02-15

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S556100, C455S556200, C379S433010

Reexamination Certificate

active

06856814

ABSTRACT:
In an electronic device, a mobile communications device includes a housing having a first mounting surface disposed removably on an outer mounting surface of a casing body of a personal digital assistant, a battery pack having a second mounting surface disposed removably on the first mounting surface for supplying electric power to the mobile communications device, and a fastening unit for fastening releasably the battery pack on the housing. A first electrical connector provided on the outer mounting surface is connected electrically and detachably to a second electrical connector provided on the first mounting surface to permit signal transmission between the personal digital assistant and the mobile communications device. An engaging unit is provided on the outer mounting surface and the first mounting surface to permit engagement between the personal digital assistant and the mobile communications device when the first mounting surface is disposed on the outer mounting surface.

REFERENCES:
patent: 5625673 (1997-04-01), Grewe et al.
patent: 5640689 (1997-06-01), Rossi
patent: 5974334 (1999-10-01), Jones, Jr.
patent: 6701394 (2004-03-01), Wang

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