Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1980-01-07
1982-09-14
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
250203R, G01J 120
Patent
active
043497322
ABSTRACT:
Method and apparatus for spatially stabilizing a projected beam of light, such as laser light. The beam is expanded prior to projection and then reduced and error corrected after reception.
REFERENCES:
patent: 3881107 (1975-04-01), Bory
patent: 4117319 (1978-09-01), White
patent: 4158176 (1979-06-01), Hunt et al.
patent: 4169227 (1979-09-01), Malissin et al.
patent: 4279472 (1981-07-01), Street
patent: 4280215 (1981-07-01), Okano
Whitby Clyde M.
White, deceased Douglas L.
Clarkson Douglas M.
Nelms David C.
Rothenberg Jeff
The Singer Company
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