US 12,072,675 B2
Rotary disk moon phase indicator
Cédric Blatter, Commugny (CH); and Simon Springer, Berne (CH)
Assigned to The Swatch Group Research and Development Ltd, Marin (CH)
Filed by The Swatch Group Research and Development Ltd, Marin (CH)
Filed on Jul. 19, 2021, as Appl. No. 17/379,178.
Claims priority of application No. 20201541 (EP), filed on Oct. 13, 2020.
Prior Publication US 2022/0113679 A1, Apr. 14, 2022
Int. Cl. G04B 19/26 (2006.01)
CPC G04B 19/268 (2013.01) 15 Claims
OG exemplary drawing
 
1. A display device for a timepiece for displaying a set of Moon phase representations reproducing the image of the Moon in the sky, said display device being configured to function according to at least a first primary operating mode and/or according to at least a first secondary operating mode and comprising at least one:
Moon disk; said at least one Moon disk comprising said set of Moon phase representations; said set of Moon phase representations including at least three Moon phases and each Moon phase of said at least three Moon phases being configured to have a first surface, a second surface and/or a delimitation configured to delimit said first surface and said second surface;
aperture; said at least one aperture being configured to reveal said set of Moon phase representations, and,
drive organ; said at least one drive organ being configured to move said at least one Moon disk along a first axis in said at least a first primary operating mode and/or to move said at least one aperture along a second axis in at least a first secondary operating mode,
wherein said first axis and said second axis are coaxial.