Static pick-up for timepiece
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United States of America Patent
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-
Mar 6, 1984
Grant Date -
N/A
app pub date -
Feb 25, 1981
filing date -
Mar 7, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A static pick-up may comprise a sapphire substrate of which the upper sure bears at least two metallic electrodes and a dielectric and the lower surface is metallized in a manner to receive directly an electronic circuit adapted to detect the position of a finger placed on the pick-up. The electrodes are coupled to the lower surface metallization by means of metallized passages. The pick-up may be employed as a control means for introducing and correcting data as displayed by a timepiece.
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