Rotational moire timepiece

Details Rotational moire timepiece Rotational moire timepiece

1994-03-18

1996-12-17

Roskoski, Bernard

Horology: time measuring systems or devices

Displays or display device details

368233, G04B 1900, G04B 1906

Patent

active

055860893

ABSTRACT:
A timepiece having a plurality of plates (12, 14, 16) in place of the standard hour, minute and second's hands, printed with patterns of open and opaque areas (52). As these plates rotate, novel and stimulating visual effects in the form of multiple moire images (54) are produced. Optional internal illumination (38) enhances the moire images. Some patterns consist primarily of a series of angular linear shapes, that have an alternating sequence of approximately.

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patent: 4274154 (1981-06-01), Dostoomian et al.
patent: 4279031 (1981-07-01), Dostoomian
patent: 4357691 (1982-11-01), Goodchild
patent: 4789573 (1988-12-01), Jenkinson
patent: 4885193 (1989-12-01), Head
patent: 4976620 (1990-12-01), Jacquard et al.

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