Solar powered portable calculator

Details Solar powered portable calculator Solar powered portable calculator

1975-01-03

1977-04-12

Morrison, Malcolm A.

Registers

Transfer mechanism

Traveling pawl

186206, 250215, 320 2, G06F 1530, H01V 130

Patent

active

040177254

ABSTRACT:
A portable calculator utilizing a solar panel array which can be either slidably moved within the calculator's housing or pivotly connected to it and which when exposed to incident light provide power for the calculator.

REFERENCES:
patent: 2780765 (1957-02-01), Chapin et al.
patent: 2919353 (1959-12-01), Paradise
patent: 2946945 (1960-07-01), Regnier et al.
patent: 2951163 (1960-08-01), Shaffer et al.
patent: 3731474 (1973-05-01), Tsurvishi

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