Method and apparatus for measuring response time

Horology: time measuring systems or devices – Controlled by a disparate device – Electrical device

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368118, G04F 800

Patent

active

045485135

ABSTRACT:
A method of measuring the response time of an electrical instrument which generates an output signal in response to the application of a specified input, wherein the output signal varies as a function of time and when subjected to a step input approaches a steady-state value, comprises the steps of: (a) applying a step input of predetermined value to the electrical instrument to generate an output signal; (b) simultaneously starting a timer; (c) comparing the output signal to a reference signal to generate a stop signal when the output signal is substantially equal to the reference signal, the reference signal being a specified percentage of the steady-state value of the output signal corresponding to the predetermined value of the step input; and (d) applying the stop signal when generated to stop the timer.

REFERENCES:
patent: 3553582 (1971-01-01), Gouillou
patent: 3564399 (1971-02-01), Laukien
patent: 3581196 (1971-05-01), Spaid
patent: 3942123 (1976-03-01), Georgi

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