Projection alignment and focusing aid

Details Projection alignment and focusing aid Projection alignment and focusing aid

1986-06-02

1988-05-03

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

G08C 906

Patent

active

047422173

ABSTRACT:
An alignment and focusing aid to assure that a detector array receives a properly focused image from a predetermined desired area of a remote object by providing an elongated radiation source located at an optical position indicative of the location of the detector array using a partly reflective mirror in the path between the object and the array to project radiation from the source to the object so that the proper focus condition and the desired area may be adjusted by focusing and positioning the image of the radiation source on the object.

REFERENCES:
patent: 3360635 (1967-02-01), Wolf et al.
patent: 3634696 (1972-01-01), Wildhaber
patent: 3809894 (1974-05-01), Renzo

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