Apparatus for the adjustment of two intersecting optical axes

Details Apparatus for the adjustment of two intersecting optical axes Apparatus for the adjustment of two intersecting optical axes

1978-06-21

1980-01-29

Henry, Jon W.

G02B 2714

Patent

active

041858921

ABSTRACT:
Adjustable optical apparatus having two optical systems both rotatable about a first axis of rotation. The first optical system has a first deflection element which, in addition to being rotatable about the first axis, is also rotatable about a second axis of rotation arranged at an angle to the first axis. The second optical system has a second light deflecting element which, in addition to being rotatable about the first axis, is also rotatable about a third axis of rotation at an angle to the first axis. The second optical system also includes a partially transmitting mirror, and a prism, both of which move bodily with the second light deflecting element around the first axis of rotation. The arrangement is useful in connection with a sighting system for gunnery control or weapon control, either in actual battle or in simulated situations such as in training apparatus.

REFERENCES:
patent: 3005185 (1961-10-01), Cumming et al.
patent: 3813170 (1974-05-01), Sears

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