Television camera measuring devices

Details Television camera measuring devices Television camera measuring devices

1973-10-04

1976-03-16

Libman, George H.

Telegraphy

Systems

Simplex-reversing periodic

178DIG1, 178DIG36, 315370, H04N 316

Patent

active

039447375

ABSTRACT:
A circuit for improving the accuracy of a video measuring device which removes errors caused by variations in the horizontal deflection voltage by continuously monitoring the horizontal deflection voltage and comparing it with a preset reference voltage and adjusting the horizontal deflection voltage if any variation from the reference occurs. This assures that measurements made with the video system remain accurate at all times and measurements can be made with great accuracy.

REFERENCES:
patent: 3243509 (1966-03-01), Stut
patent: 3598963 (1971-08-01), Osugi et al.
Principles of Television Engineering, Fink, First Edition, 1940, pp. 54-57.
Instrum. & Exp. Tech., Vol. 15, No. 1, part 1 Jan.-Feb. 1972.

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