Solid-state cumulative operations measurement system

Details Solid-state cumulative operations measurement system Solid-state cumulative operations measurement system

1986-05-09

1987-12-08

Fears, Terrell W.

Static information storage and retrieval

Powering

365149, 365201, 365228, 365229, 365233, G11C 1300

Patent

active

047121955

ABSTRACT:
The system accurately measures a summation of the operations when an operating voltage is present. The system includes a capacitor charged by a supply voltage and a volatile memory register connected to receive the operating voltage signals to be measured and operable to store those signals as a measure of operations. A nonvolatile memory register is provided having stages corresponding to the stages of the volatile memory register. A store sequencing means is connected to be powered by the energy stored in the capacitor when the supply voltage is removed to transfer the count stored in the volatile memory register into the nonvolatile memory register. A means is provided for detecting when the supply voltage is applied, with a recall sequencing means operable in response thereto to transfer the count stored in the nonvolatile memory register into the volatile memory register.

REFERENCES:
patent: 4285050 (1981-08-01), Muller
patent: 4327410 (1982-04-01), Patel et al.
patent: 4523295 (1985-06-01), Zato
patent: 4564922 (1986-01-01), Muller

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