Portable computer having an external battery mounting portion an

Details Portable computer having an external battery mounting portion an Portable computer having an external battery mounting portion an

1992-06-16

1993-04-06

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361380, 292228, 220346, H05K 712, E05C 314, G06F 116

Patent

active

052008835

ABSTRACT:
A compact electronic apparatus includes a housing substantially in the form of a rectangular prism. The top face of the housing includes a substantially rectangular front half portion on which a keyboard unit is mounted and a substantially rectangular rear half portion continuous with the rear face. The housing includes a pair of receiving recess openings to the rear half portion of the top surface and the rear surface. A battery pack and an optional component each having substantially the same shape as their respective recess, are each removably fitted in their receiving recess. The battery pack and optional component each have an outer surface which is exposed to the outside and constitutes part of the rear face of the housing and part of the rear half portion of the top face when the battery pack optional component are fitted in their respective receiving recess.

REFERENCES:
patent: 3709538 (1973-01-01), Seitz et al.
patent: 4191917 (1980-03-01), Brown et al.
patent: 4392503 (1983-07-01), Watanabe
patent: 4571456 (1986-02-01), Paulsen et al.
patent: 4680674 (1987-07-01), Moore
patent: 4742478 (1988-05-01), Nigro, Jr. et al.
patent: 4903222 (1990-02-01), Carter et al.
patent: 4942356 (1990-07-01), Ellingen et al.
patent: 5015546 (1991-05-01), Dulaney et al.
Toshiba T1600 Portable Personal Computer User's Manual (Sep. 1988), pp. i, 2-1 to 2-7, 4-20 to 4-25.
Published Unexamined Japanese Utility Model Application No. 64-54369 (Japanese language, no translation available), Apr., 1989.

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