Oscillators synchronised by an intermittent escapement

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United States of America Patent

PATENT NO 9128464
APP PUB NO 20130070569A1
SERIAL NO

13610024

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Abstract

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A timepiece including a first resonator oscillating at a first frequency and connected by a main gear train to a main energy source via a main escapement, a second resonator oscillating at a second frequency which is lower than the first frequency and cooperating with the main escapement in order to synchronize maintenance of the first resonator to the second frequency.

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Patent Owner(s)

Patent OwnerAddress
THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTDSWISS MA LIN MARIN-EPAGNIER NEUCHATEL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Helfer, Jean-Luc Bienne, CH 95 322
Hessler, Thierry St-Aubin, CH 53 353
Karapatis, Nakis Premier, CH 27 261
Sarchi, Davide Renens, CH 82 548

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