US PATENT SUBCLASS 333 / 231
.~.~ With tuning
Current as of:
June, 1999
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333 /
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WAVE TRANSMISSION LINES AND NETWORKS
219
DF
RESONATORS (DISTRIBUTED PARAMETER TYPE)
{7}
227
DF
.~ Cavity resonator {4}
231
.~.~ With tuning {1}
232
DF
.~.~.~
> Having movable element {1}
DEFINITION
Classification: 333/231
With tuning:
(under subclass 227) Subject matter wherein the cavity has means whereby the cavity can be adjusted to resonate or operate at a specified frequency.