Display device for a watch
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United States of America Patent
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Mar 24, 2009
Grant Date -
Sep 28, 2006
app pub date -
Jul 8, 2004
filing date -
Jul 14, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A display device is provided for a watch movement provided with a final gear train intended to drive, at least in a mediated way, means of displaying the time and an energy source driving the final gear train. In one implementation, the display device comprises a display disk for an additional function, and a display gearing of which one moving part carries the display disk. The display device also comprises a second energy source connected mechanically to the display gearing and operating means for the display gearing, designed so as to cause the gearing to be driven by the second energy source when the information for display has to be changed.
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