Method and device to display a cycle of images of the moon, notably in a watch

The method involves dividing a cycle of display during lunation into several successive parts comprising several positions of a moon indicator disc (8). A primary movement adapted to bring over a separation line in a circular window is applied to the disc. A secondary movement, smaller than the prim...

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Bibliographic Details
Main Authors MEYLAN, FREDERIC, BORN, JEAN-JACQUES
Format Patent
LanguageEnglish
French
German
Published 11.01.2006
Subjects
HOROLOGY
MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL
MECHANICALLY-DRIVEN CLOCKS OR WATCHES
PHYSICS
TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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Summary:The method involves dividing a cycle of display during lunation into several successive parts comprising several positions of a moon indicator disc (8). A primary movement adapted to bring over a separation line in a circular window is applied to the disc. A secondary movement, smaller than the primary movement, is applied on the disc for passing the line between successive positions. Independent claims are also included for the following: (A) a device for displaying a cycle of successive images of the moon during lunation (B) a watch comprising a clockwork and a display device.
Bibliography:Application Number: EP20040016085