Interlock for power sources in data processing apparatus

Details Interlock for power sources in data processing apparatus Interlock for power sources in data processing apparatus

1979-02-15

1980-07-22

Hix, L. T.

Electrical transmission or interconnection systems

Miscellaneous systems

Power packs

307 66, 361339, 361380, 312215, H02J 900, E05B 6546

Patent

active

042141729

ABSTRACT:
A mechanical interlock for a hand held data processing device which prevents removal of an alternate electric power source when a separate power source is disengaged from the device and the electronic circuitry powered by it.
The technical problem addressed by this invention is that of preventing adverse effect on electronic circuitry, such as loss of data stored in memory, due to removal of all electric power therefrom by assuring an uninterrupted source of electric power.

REFERENCES:
patent: 3941441 (1976-03-01), Scheerhorn
patent: 4074118 (1978-02-01), Washizuka

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