Electronic counter with non-volatile memory

Details Electronic counter with non-volatile memory Electronic counter with non-volatile memory

1978-03-24

1980-09-23

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92CA, 235 92DP, 235 92ST, G06M 312

Patent

active

042245060

ABSTRACT:
There is disclosed a volatile electronic counter wherein the count is retained over power off periods. This is accomplished by the use of a non-volatile memory with means for rapidly writing therein the contents of the volatile memory upon sensing a power down condition. Upon later sensing a power up condition, the contents of the non-volatile memory are returned to the volatile memory.

REFERENCES:
patent: 3988575 (1976-10-01), Guimier et al.
patent: 4005409 (1977-01-01), Feuer
patent: 4049951 (1977-09-01), Baty et al.
patent: 4089058 (1978-05-01), Murdock

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