Watch Displaying the Date and Indicating Astronomical Information
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United States of America Patent
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Issued Date -
Sep 27, 2007
app pub date -
Aug 5, 2005
filing date -
Aug 16, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In order to display alternately various parameters in the same aperture (46) of a dial or possibly in distinct apertures, the watch is provided with a rotating display disc (51) which includes a series (60) of numbers, representing the dates (1-31) on one part of its circumference and, on the rest of the circumference, at least one image of a celestial body, for example the moon (62) and/or the sun, and optionally other symbols (64). Over time, this image is set in different positions in the aperture, to represent the phases of the moon or the rising and setting of the sun. In an electronic watch, the display disc is preferably driven by an electric motor (54) via a large reduction gear (56).
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