Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1983-05-02
1986-02-11
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
250234, G01J 120
Patent
active
045700605
ABSTRACT:
A follow-up guidance and information transfer system is disclosed for use between a control point and a moving object utilizing a laser beam generated at the control point. The incident beam is directed by a movable mirror toward the moving object and reflected therefrom by a corner cube or the like along the same path. A detector disposed in the passing zone detects direction and amplitude of deviations of the reflected beam from the path of the incident beam, and a mirror control responds to the detected signals to direct the path of the incident beam to follow the moving object.
REFERENCES:
patent: 3437815 (1969-04-01), Bleicher
patent: 3566126 (1971-02-01), Lang
patent: 3952208 (1976-04-01), Desvignes et al.
patent: 3995792 (1976-12-01), Otto et al.
patent: 4096380 (1978-06-01), Eichweber
Kamei Shigeki
Takahashi Akira
Tsumura Toshihiro
Waratani Hiroji
Hitachi Kidenkogyo Kabushiki Kaisha
Nelms David C.
Yagiantena Kabushiki Kaisha
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