Method of and arrangement for producing numerical values proport

Details Method of and arrangement for producing numerical values proport Method of and arrangement for producing numerical values proport

1983-03-30

1986-04-08

Krass, Errol A.

Boots, shoes, and leggings

364565, 377 49, G01P 2100

Patent

active

045817138

ABSTRACT:
A method and a device for the generation of numerical values which are proportional to the frequency of the measured pulses of a measured-pulse train are proposed which make available the numerical values covering a wide measuring range with high precision and in a shortest possible time. To this end, in invariably predetermined reference time intervals, the number of the periods of the measured pulses is in each case measured as an approximate value for the frequency, and a correction value is added to the approximate value. The correction values are contained in at least one table as table values under respective addresses, the table values being derived from the difference between the time durations measured in successive reference time intervals up to the respective last measured pulse in the reference time interval. The table values are proportional to the reciprocal value of the total of the reference time interval and the difference between the time durations measured in the successive reference time intervals up to the respective last pulse in the interval.

REFERENCES:
patent: 3892952 (1975-07-01), Shibata et al.
patent: 4101838 (1978-07-01), Aihara et al.
patent: 4405980 (1983-09-01), Hess
patent: 4420814 (1983-12-01), Arikawa
patent: 4434470 (1984-02-01), Thomas et al.
patent: 4462110 (1984-07-01), Baldwin et al.
patent: 4485452 (1984-11-01), Cording et al.

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