Rate/time computer and control device

Details Rate/time computer and control device Rate/time computer and control device

1975-12-11

1977-12-27

Morrison, Malcolm A.

Boots, shoes, and leggings

235 92GA, 364569, G06F 1520, G06F 750, G06F 752

Patent

active

040656632

ABSTRACT:
A rate/time control device for computing an activity period. The control device includes a clock for generating a representation of present time and an element for storing a start time therein. A first input element provides an input to the storage device from the clock representative of the start time. A first output element is provided for receiving an output from the storage device representative of the start time. A time computer is included for computing the activity period by subtracting the start time from the present time.
The control device further includes a rate selector and a charge computer for calculating a monetary charge for the activity period by multiplying the rate by the activity period. A plurality of the control devices may be coupled together to allow one control element to operate a plurality of units.

REFERENCES:
patent: 3024991 (1962-03-01), Foote
patent: 3548161 (1970-12-01), Schwarz
patent: 3600560 (1971-08-01), Gosselin
patent: 3641314 (1972-02-01), Abramson
patent: 3775593 (1973-11-01), Gieringer et al.
patent: 3809872 (1974-05-01), Yamamura et al.

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