Oscillators – Automatic frequency stabilization using a phase or frequency... – Molecular resonance stabilization
Patent
1982-05-18
1984-10-09
Grimm, Siegfried H.
Oscillators
Automatic frequency stabilization using a phase or frequency...
Molecular resonance stabilization
331 44, 331 941, H03L 726
Patent
active
044764456
ABSTRACT:
Methods and apparatus for rapidly and automatically syntonizing the frequency of a passive atomic resonator of an atomic clock with a reference frequency which corresponds to the frequency of an external reference signal. Any difference between the hyperfine transition frequency of the resonator and the reference frequency generates an error signal which is used as a basis for automatically determining the magnitude of a quantity which adjusts the actual hyperfine transition frequency of the resonator.
REFERENCES:
patent: 3798565 (1974-03-01), Jechart
patent: 3862365 (1975-01-01), Kobayashi et al.
Brousseau R. et al., "An Electronic System For The Tuning Of Masers" IEEE Trans. on Instrumentation and Measurement, vol. IM-22, #4, pp. 367-375, Dec. 1973.
Flanagan et al., "Hardening Frequency Standards for Space Applications", IEEE Transactions on Nuclear Science, vol. NS-24, No. 6, Dec. 1977, pp. 2252-2258.
Matsuda et al., "Signal Intensity Characteristics of the .sup.87 Rb Double Resonance Due to the Pumping Light", Japanese J. of Appl., Physics, vol. 16, No. 3, Mar. 1977, pp. 391-396.
EG&G Inc.
Grimm Siegfried H.
Mis David C.
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