Mileage totalizer with non volatile memory

Details Mileage totalizer with non volatile memory Mileage totalizer with non volatile memory

1984-08-24

1986-12-16

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Measuring or testing

377 49, G01B 700

Patent

active

046302930

ABSTRACT:
A microprocessor transfers into a first so-called "fixed" zone of the memory the intermediate total distance travelled since the vehicle was put on the road and, in a second so called "journey" zone of the memory the successive partial distances travelled between each power supply cut off, the successive partial distances being transferred into the cells of the journey zone of the memory each time the power is switched off.

REFERENCES:
patent: 4031363 (1977-06-01), Freeman et al.
patent: 4409663 (1983-10-01), Becker et al.
patent: 4539641 (1985-09-01), Kawashimo et al.
Patents Abstracts of Japan, vol. 6, No. 79, 18 mai 1982 (P-115), (957), & JP-A 57 16307 (Nissan) 27 Janvier 1982.

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