Turning mirror for integrating image and light indicator ray bun

Details Turning mirror for integrating image and light indicator ray bun Turning mirror for integrating image and light indicator ray bun

1986-06-09

1988-05-03

Punter, William H.

350538, 350601, G02B 2310, G02B 2710

Patent

active

047416084

ABSTRACT:
An electrical-optical system is disclosed having a turning mirror (24) for superimposing light rays (44) of an indicator LED (40) into the primary optical path (28) of an image (18). The turning mirror (24) comprises a solid having a frontal mirrored reflective surface (78) with a pinhole (80) etched therein. Offset from the pinhole (80), and disposed on the backside of the turning mirror (24) is a cavity (86) housing an LED indicator light (40). The light rays from the LED (40) pass through the pinhole (80) in such a direction as to be colinear with the image ray bundle (28) reflected from the mirrored surface (78).

REFERENCES:
patent: 3464757 (1969-09-01), Schmidt et al.
patent: 3597054 (1971-08-01), Winter
patent: 4000419 (1976-12-01), Crost et al.
patent: 4090506 (1978-05-01), Pilgrim
patent: 4204756 (1980-05-01), Kobori et al.
patent: 4205894 (1980-06-01), Filipovich et al.

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