Method and apparatus for controlling a solar-powered radio-controlled timepiece when a storage element is inadequately charged
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United States of America Patent
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Mar 20, 2001
Grant Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Oct 17, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a solar-powered, radio-controlled timepiece an incorrect display can occur before the operating voltage definitively falls below the switch-off level if each pulse for the electromechanical transducer is no longer sufficient for advancing the display. A step monitor senses such an insufficient pulse and triggers a reset command in order to switch on the radio signal receiver for automatically correcting the hands position to the absolute time which is decoded from the current time telegram.
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