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TWO POSITION IMAGE ROTATION DEVICE

IP.com Disclosure Number: IPCOM000023242D
Original Publication Date: 1977-Feb-28
Included in the Prior Art Database: 2004-Mar-29

Publishing Venue

Xerox Disclosure Journal

Abstract

Referring to the drawing, at the left a combination of two prisms 2 and 4 is shown within two half lenses 6 and 8. The inversions of an image passing through each prism suc-cessively is shown by stages. Only the effect of the prism is shown. The half lens at lower left and at top left form a real image of an object in the normal way. If the "R" at lower left is moved to be in the object plane and the "Re at the upper left is moved to the image plane, an additional