US PATENT SUBCLASS 333 / 229
.~.~ With temperature compensation

Current as of: June, 1999
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219  DF  RESONATORS (DISTRIBUTED PARAMETER TYPE) {7}
227  DF  .~ Cavity resonator {4}
229.~.~ With temperature compensation

DEFINITION

Classification: 333/229

With temperature compensation:

(under subclass 227) Subject matter wherein the cavity resonator has thermal compensation means to substantially reduce the effects of temperature variations on the operating frequency.