Device for the joint evaluation of several cyclic processes

Details Device for the joint evaluation of several cyclic processes Device for the joint evaluation of several cyclic processes

1975-03-18

1977-07-12

Weldon, Ulysses

Registers

Calculators

Single axis

235 88RC, G06C 2700

Patent

active

040356167

ABSTRACT:
Several transparent elements showing periodically-varying curves and a transparent element showing a date scale are superposed over each other and a ground element which shows a number of year scales of different length, subdivided from 0 to 100 years. The transparent elements are to be adjusted in respect to their position to said year scales according to a reference date and a desired reading date. The correct position of all curves and their inter-relationship are immediately visible i.e. without any foregoing use of the known mathematical tabulations which are standard e.g. in the biological rhythm field.

REFERENCES:
patent: 655653 (1900-08-01), Gnau
patent: 1435512 (1922-11-01), Boggio
patent: 2423822 (1947-07-01), Auerbach
patent: 3253780 (1966-05-01), Stewart et al.
patent: 3460508 (1969-08-01), Baxter

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