Ampex Corporation

Andrew K Magyary

Lawrence R Teeple, Jr

Kenneth N Severs

The invention provides a modification of the conventional rolling loop transport system, which enables the system to operate at the relatively high pull-down speeds required to match the 1.3 millisecond vertical blanking times of a video format, thereby allowing use of the improved transport in a video system. The instant transport utilizes two gaps in a rotor set apart at 180.degree., entrance of the film at a selected shallow angle, a shortened distance from the exposure gate to the film outlet with no decay of the film loop until expulsion, and a secondary pair of fixed registration pins disposed at the point of expulsion of the film at the film outlet which, in conjunction with a vacuum platen extending from the exposure gate to the film outlet, significantly reduces the jitter at the exposure gate, to allow the use of the transport in high density laser or electron beam recorders.

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San Mateo, CA, United States of America

Andrew K Magyary