Time delay computer

Details Time delay computer Time delay computer

1980-12-04

1983-08-02

Chin, Gary

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

Applications

Measuring or testing

364569, 368119, G04F 1000

Patent

active

043970311

ABSTRACT:
The time of arrival of a constant speed moving object at a given location is calculated from data representing the time of arrival of the object at two preceeding locations and the relative physical distances between the three locations. An up-down counter counts up at a fixed frequency f.sub.1 during the time interval of the object's transversal of the distance between the first two locations and counts down at a pre-selected frequency f.sub.2 thereafter. The preselected frequency f.sub.2 is a function of the distances between locations and the fixed frequency f.sub.1. When the counter counts down to zero it produces an output pulse that occurs at the time the object reaches the given location. Operation of the time delay computer is independent of object speed.

REFERENCES:
patent: 2382981 (1945-08-01), Edgerton
patent: 3227887 (1966-01-01), Messelt et al.
patent: 3611134 (1971-10-01), McDowell
patent: 3824463 (1974-07-01), Oehler
patent: 3956616 (1976-05-01), Knollenberg
patent: 3968401 (1976-07-01), Bryant
patent: 4165459 (1979-08-01), Curtice
patent: 4168467 (1979-09-01), Bailey et al.
patent: 4234881 (1980-11-01), Stauers

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