Elimination of magnetic influence on atomic clocks

Details Elimination of magnetic influence on atomic clocks Elimination of magnetic influence on atomic clocks

1989-05-05

1990-08-28

Roskoski, Bernard

Horology: time measuring systems or devices

Regulating means

For compensation

368200, 331 3, G04B 1720, H03L 726

Patent

active

049531484

ABSTRACT:
Improved atomic clocks and frequency standards of the type where the frequency of an oscillator is stabilized by locking via a phase lock loop to an atomic resonator and where the output of the clock is taken from this oscillator. Protective means are provided to maintain a high accuracy when such clock is exposed to a strong magnetic field. The stabilization is based on two magnetic "C"-fields which are controlled and adjusted to maintain the accuracy of the clock.

REFERENCES:
patent: 4446446 (1984-05-01), Fowks
patent: 4476445 (1984-10-01), Riley, Jr.

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