US PATENT SUBCLASS 334 / 57
.~.~ With vernier tuning means

Current as of: June, 1999
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334 /   HD   TUNERS

47  DF  WITH SWITCHING MEANS {8}
56  DF  .~ Inductor only modified or substituted by switching {1}
57.~.~ With vernier tuning means {1}
58  DF  .~.~.~> Variable capacitor

DEFINITION

Classification: 334/57

(under subclass 56) Subject matter in which the tuner has means associated therewith to give fine tuning or adjustment to the tuned circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

51, for vernier tuning means combined with a drum or cylinder type turret tuner.

71+, for tuned circuits in which the resonant frequency is varied by a continuously variable inductor.