Device for controlling the functions of an electronic watch
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United States of America Patent
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Oct 16, 1984
Grant Date -
N/A
app pub date -
Oct 14, 1980
filing date -
Dec 6, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The case 1 of the watch comprises elements consisting of ribbed zones 3, 4 and 5 of different structures which can supply mechanical vibrations when they are rubbed by the user of the watch. A transducer transforms these acoustic vibrations into an electric signal. An electronic circuit comprising generator means, a pulse shaper, counters, a register and a comparator allows the vibration message generated by the activation of one or the other of the ribbed zones 3, 4 and 5 to be decoded and one or the other of the functions appearing on the display 2 of the watch to be controlled.
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