Three-dimensional display system with a feedback control loop se

Details Three-dimensional display system with a feedback control loop se Three-dimensional display system with a feedback control loop se

1985-08-09

1988-05-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

340755, G01J 120

Patent

active

047437480

ABSTRACT:
A system for accurately controlling the motion of a mirror membrane used in a three-dimensional display system. The system senses the pressure differential across the membrane mirror as a means of indirectly measuring mirror position. This pressure differential is converted into an electrical signal which is used in a closed loop feedback system to force the membrane position to follow accurately the command signal.

REFERENCES:
patent: 3031928 (1962-05-01), Kopito
patent: 3493290 (1970-02-01), Traub
patent: 3496851 (1970-02-01), Himmelsbach
patent: 4091274 (1978-05-01), Angelbeck et al.
patent: 4271355 (1981-06-01), Wisner et al.
patent: 4462044 (1984-07-01), Thomason et al.
"A New 3-Dimensional Display Technique" by Alan C. Traub, May, 1968.

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