Electronic apparatus and method for measuring cumulative power-o

Details Electronic apparatus and method for measuring cumulative power-o Electronic apparatus and method for measuring cumulative power-o

1996-11-06

1999-04-06

Miska, Vit

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

36518901, 365228, 371 212, G04F 800, G11C 700, G11C 2900

Patent

active

058927352

ABSTRACT:
An electronic apparatus for measuring cumulative power-on time of an electronic device is provided with: a capability of measuring the power-on time of the device; a nonvolatile memory having at least three memory areas, each of these areas used to cumulatively store the measured power-on time; and a capability for accurately measuring the cumulative power-on time by comparing the data stored in the memory areas and selecting the information that is most closely repeated in the majority of those memory areas. Also, a method of measuring cumulative power-on time of an electronic device is provided which consists of the steps of: measuring the power-on time of the device; writing the measured power-on time in at least three areas of a nonvolatile memory; and accurately measuring the cumulative power-on time by comparing the data stored in the memory areas and selecting the information that is most closely repeated in the majority of those memory areas.

REFERENCES:
patent: 4617639 (1986-10-01), Paine
patent: 4710888 (1987-12-01), Burke et al.
patent: 4748594 (1988-05-01), Iida
patent: 5067111 (1991-11-01), Asano et al.
patent: 5608684 (1997-03-01), Reasoner et al.

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