Portable electronic apparatus having an interchangeable detachab

Details Portable electronic apparatus having an interchangeable detachab Portable electronic apparatus having an interchangeable detachab

1991-06-21

1993-01-26

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361380, H05K 502, H05K 710, G06F 116

Patent

active

051826992

ABSTRACT:
A portable computer comprises a base unit to which a keyboard and a display unit are attached. First and second batteries, functioning as a drive power source, and are attached to the base unit. An optional component may be attached to the base unit in place of the second battery. The optional component, for example, can be a modem device to be connected to a telephone line or an additional memory unit. In the base unit, there is formed a first mounting recess to which the first battery is detachably attached, and a second mounting recess to which the second battery or the optional component is selectively detachably attached.

REFERENCES:
patent: 4680674 (1987-07-01), Moore
patent: 4745524 (1988-05-01), Patton, III
patent: 4924355 (1990-05-01), Mitchell et al.
patent: 4991058 (1991-02-01), Watkins et al.
patent: 5058045 (1991-10-01), Ma
Shima Takeaki; "Connector For Cell"; Patent Abstracts of Japan vol. 012-367; Nov. 7, 1986.
Toshiba T1600 Portable Personal Computer User's Manual.

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