03992708 is referenced by 17 patents and cites 7 patents.

An optical tracking system wherein an analog computer program is operated multaneously with a real projectile firing. The program is forced to match its output of projectile position with real-time data. When no data is available, the analog program acts as a very sophisticated flywheel to keep optical tracking mounts continuously positioned very closely to the actual target position until it can be reacquired.

Title
Optical tracking analog flywheel
Application Number
5/597252
Publication Number
3992708
Application Date
July 18, 1975
Publication Date
November 16, 1976
Inventor
J Max Massey Jr
King George
VA, US
Larry Ray Olson
King George
VA, US
Assignee
The United States of America represented by the Secretary of the Navy
DC, US
IPC
G01S 9/02
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