Radiant energy – Photocells; circuits and apparatus – Flame light source
Patent
1986-06-27
1987-12-01
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Flame light source
250561, G01N 2186
Patent
active
047106417
ABSTRACT:
A precise position control for maintaining the burn face of a propellant sample within a precise optical depth of field positional range during burn face recession that may be non-uniform in nature. The position control employs an array of laser excited binary signal optical sensors with closed loop digital and analog electronic signal processing.
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AIAA-85-1257, Application of a Copper-Vapor Laser to High-Speed, High Resolution, Front Lit Cinephotography of Solid Propellant Deflagration, J. L. Laird et al, Jul. 8-10, 1985.
Aulds James M.
Becker Roger J.
Hollins Gerald B.
Nelms David C.
Oen William L.
Singer Donald J.
The United States of America as represented by the Secretary of
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