Ruggedized chip scale atomic clock

Details Ruggedized chip scale atomic clock Ruggedized chip scale atomic clock

2009-09-24

2011-10-04

Mis, David (Department: 2817)

Oscillators

Plural oscillators

Selectively connected to common output or oscillator...

C331S003000, C331S037000, C331S040000, C331S041000, C331S066000, C331S069000, C331S158000, C331S173000

Reexamination Certificate

active

08031010

ABSTRACT:
The present invention is a Chip Scale Atomic Clock (CSAC)-enabled Time and Frequency Standard (CTFS) architecture. The CTFS architecture includes a microcontroller, a Time Compensated Crystal Oscillator (TCCO) circuit which is connected to the microcontroller, and a Chip Scale Atomic Clock (CSAC) which is connected to the microcontroller. The microcontroller is configured for selectively causing the CTFS to provide a TCCO circuit-based output frequency when the CTFS has not locked to a predetermined atomic resonance, and is further configured for causing the CTFS to provide a CSAC-based output frequency when the CTFS has locked to a predetermined atomic resonance.

REFERENCES:
patent: 4513259 (1985-04-01), Frerking
patent: 5717402 (1998-02-01), Chu

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