Optical device for producing rotational displacement of an incid

Details Optical device for producing rotational displacement of an incid Optical device for producing rotational displacement of an incid

1999-05-14

2000-06-20

Shafer, Ricky D.

Optical: systems and elements

Prism

359837, 359741, 359720, 359708, 359669, 359625, G02B 504, G02B 302, G02B 1310, G02B 2700

Patent

active

060784415

ABSTRACT:
An array of graduated prisms disposed in a circle for rotating an incident image, the prisms are disposed with their end faces at the periphery of the circle and their apices at the center. The end faces are all oriented in the same direction either clockwise or counterclockwise, depending on the direction of rotation.

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Knapp, Philip. M.D., "Use of Membrane Prisms," Symposiium: Strabismus Management, vol. 79, Sep.-Oct. 1975, pp. 718-721.

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