Strip mirror radiation splitter for range determination systems

Details Strip mirror radiation splitter for range determination systems Strip mirror radiation splitter for range determination systems

1982-06-30

1984-11-06

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

354406, G01J 136, G03B 708

Patent

active

044814135

ABSTRACT:
A totally reflecting strip mirror is utilized in a zoom lens system having an auto focus circuit replacing the partially reflective large mirror of the prior art to provide the same amount of radiation to the auto focus system with less waste, easier adjustment, and decreasing the necessary dimensions of the zoom lens system.

REFERENCES:
patent: 4160587 (1979-07-01), Heiniger et al.
patent: 4185191 (1980-01-01), Stauffer
patent: 4230942 (1980-10-01), Stauffer
patent: 4264810 (1981-04-01), Utagawa et al.
patent: 4352545 (1982-10-01), Uno et al.

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