Image rotator for rotating an image ninety degrees

Details Image rotator for rotating an image ninety degrees Image rotator for rotating an image ninety degrees

1988-06-10

1989-08-29

Henry, Jon W.

G02B 1706, G02B 508

Patent

active

048611506

ABSTRACT:
An assembly including a plurality of mirrors is provided to optically rotate an image ninety degrees. A confining case holds the mirrors disposed end to end in a configuration of a right isosceles triangle. A window in registration with the first of the mirrors is oriented parallel to one leg of the triangle on the back side of the case, while a window in registration with a second of the mirrors is located along the other leg of the triangle on the front side of the case.

REFERENCES:
patent: 4103991 (1978-08-01), Kramer
patent: 4354733 (1982-10-01), Picquet et al.
patent: 4639097 (1987-01-01), Teske et al.
J. A. Holcombe, "An Inexpensive, Reflective, Image, Rotator", Applied Spectroscopy, vol. 32, No. 4, p. 405 (Jul.-Aug., 1978).
David A. Berkowitz, "Design of Plane Mirror Systems", Jour. Opt. Soc. Am. vol. 55, No. 11, pp. 1464-1467, Nov. 1965.
Sten Walles et al, "The Orientation of the Image formed by a Series of Plane Mirrors", Appl. Opt. vol. 3, No. 12, pp. 1447-1452, Dec. 1964.
Bernard S. Lee, "Oblique Reflecting Systems", Jour. Opt. Soc. Am., vol. 39, No. 6, pp. 487-489, Jun. 1949.

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