Controlled acceleration deceleration circuit for optical tracers

Details Controlled acceleration deceleration circuit for optical tracers Controlled acceleration deceleration circuit for optical tracers

1988-03-14

1989-08-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

318577, G05B 100

Patent

active

048535273

ABSTRACT:
In an optical line tracer sudden changes of velocity can cause instability and vibration. Means are provided to limit acceleration or deceleration to a specific rate of change. Speed change signals are processed through a ramp circuit which converts the step function signal to a ramp function before application.

REFERENCES:
patent: 3704372 (1972-11-01), Parker et al.
patent: 3832544 (1974-08-01), Landy, Jr.
patent: 3883735 (1975-05-01), Murphy et al.
patent: 4049962 (1977-09-01), Kaller
patent: 4625104 (1986-11-01), Parker et al.

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