Self-adjustable horological oscillator
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United States of America Patent
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Dec 27, 2022
Grant Date -
Oct 8, 2020
app pub date -
Mar 17, 2020
filing date -
Apr 3, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A horological movement (6) including: a plate (7); a mechanical resonator (8) including an oscillating balance (11) rotatably mounted relative to the plate (7), and a spiral spring (22) coupled to the balance (11); an electromagnetic regulator (29) coupled to the mechanical resonator (8) to regulate the frequency of the oscillations of the balance (11), and including at least one permanent magnet (30) fixedly mounted relative to the plate (7), at least one coil (31), a quartz or silicon resonator (32) and an electronic circuit (33) connected to the resonator (32) and to the coil (31), all mounted on the balance (11) while being completely included in an inner cavity (18) delimited by the latter.
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