Apparatus with ambient magnetic field correction

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United States of America Patent

PATENT NO 8525516
APP PUB NO 20100259256A1
SERIAL NO

12747189

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Abstract

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This atomic clock comprises means for applying two mutually perpendicular oscillating magnetic fields (9, 10), governed by a control device (5) that makes them apply a static or nearly static magnetic field for compensating the ambient magnetic field in order to cancel sub-level energy variations of the matter, which disrupt the frequency of the returned photons and the reference provided by the clock. Traditional magnetic shielding may be omitted. Said device can also operate as a magnetometer.

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Patent Owner(s)

Patent OwnerAddress
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESPARIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Le, Prado Matthieu Charmes sur l'herbasse, FR 16 163
Leger, Jean-Michel Villard Bonnot, FR 25 319

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