High-stability piezoelectric oscillator

Oscillators – With outer casing or housing – With temperature modifier

Reexamination Certificate

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C331S068000, C331S158000

Reexamination Certificate

active

07427902

ABSTRACT:
There is provided a high-stability piezoelectric oscillator. The high-stability piezoelectric oscillator includes an oscillating circuit unit that has a piezoelectric vibrator and oscillating circuit components, an inner oven that accommodates the oscillating circuit unit, an outer oven that accommodates the inner oven, and an outer metallic case that covers the outer oven. Further, airtightness is ensured inside and outside the outer metallic case. Furthermore, at least one of the outer oven and the inner oven is airtightly sealed.

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S.V. Anastasiev. et al; A New High Stability DOCXO. Statistics of the Results of Frequency Stability Measurements.; Proceedings of the 2002 IEEE International Frequency Control Symposium & PDA Exhibition.; May 2002; pp. 633-638.
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