Optics: measuring and testing – By configuration comparison – With photosensitive film or plate
Patent
1978-09-25
1981-05-26
Rosenberger, R. A.
Optics: measuring and testing
By configuration comparison
With photosensitive film or plate
250560, 356387, G01B 1110
Patent
active
042695147
ABSTRACT:
A non-contact gage for continuously measuring the diameter of a moving member such as a wire or rod employs a source of radiant energy, a scanner and a radiant energy detector aligned across the path of travel of the member whose diameter is to be measured. Operation of the scanner causes a composite signal to be generated in the detector and a component of that signal is proportional to the diameter of the member. The diameter proportional component is separated electronically and fed to a read out device. Inherent non-linearities or inaccuracies such as may be caused mechanically by the scanner mechanism are electronically minimized or eliminated in the detection and display circuitry.
REFERENCES:
patent: 3108186 (1963-10-01), Flavell
patent: 3905705 (1975-09-01), Petrohilos
patent: 3955072 (1976-05-01), Johannsmeier et al.
patent: 4097158 (1978-06-01), DeHait
patent: 4101612 (1978-07-01), Barker et al.
Taylor, F. M. "Using a Laser Micrometer for Precision Control of Wire Diameter and Position on a CV Line", Proceedings of the 13th 23rd International Wire and Cable Symposium, Atlantic City, N.J. Dec. 1974.
Electron Machine Corporation
Rosenberger R. A.
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