Title: Lenticular optical system

Abstract: The present invention includes an optical system with a first composite image viewable through a lenticular lens sheet. The first composite image is formed of a multiplicity of spaced apart parallel stripes with transparent stripes or voids therebetween. A second composite image or indicia can be positioned beneath the first composite image in a second plane. When viewed along one angle, the first composite image is visable. When viewed along a second angle, the second composite image is viewed through the transparent stripes or voids in the first composite image. A watch utilizing this optical system is also described.

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Inventors: Rosenthal, Bruce A. (E. Rockaway, NY, US)

Application Number: 641257
Filing Date: 1975-12-16
Publication_date: 1977-07-12
Assignee:
Primary Class(es): 368/232 359/628, 968/383, 968/DIG1
Other Classes:
US Patent Ref:

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Other Refs:
Primary Examiner: Schaefer, Robert K.
Assistant Examiner: Miska, Vit W.
Attorney: Sutton; Paul J.