Temperature-compensated crystal resonator unit

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

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219210, H01L 4108

Patent

active

044437323

ABSTRACT:
The disclosed temperature-compensated crystal resonator unit has a crystal resonator element with a first ceramic member attached thereto, which resonator element is housed in a vessel with a second ceramic member being mounted on the housing and electrically connected to said first ceramic member in series thereto, both of said first and second ceramic members having positive temperature coefficients of electric resistance, said second ceramic member being mechanically separated from both the first ceramic member and the crystal resonator element.

REFERENCES:
patent: 3414706 (1968-12-01), Flanagan et al.
patent: 3749879 (1973-07-01), Armstrong

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