Linewidth measuring with linearity calibration of the T.V. camer

Details Linewidth measuring with linearity calibration of the T.V. camer Linewidth measuring with linearity calibration of the T.V. camer

1983-05-24

1985-06-04

Tokar, Michael J.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

313384, 313462, H01J 314

Patent

active

045216860

ABSTRACT:
In making precision measurements with a television camera tube, the inherent scan non-linearity and magnification variations are readily calibrated by painting a grid of known dimensions on the tube face.

REFERENCES:
patent: 2449093 (1948-09-01), Weingarten
patent: 3547542 (1970-12-01), Bulpitt et al.
patent: 3683225 (1972-08-01), Butler
patent: 4283655 (1981-08-01), Mossman et al.
patent: 4373817 (1983-02-01), Coates

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