US PATENT SUBCLASS 330 / 306
.~.~ And bandpass, broadband (e.g., wideband) or sidepass means

Current as of: June, 1999
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330 /   HD   AMPLIFIERS

250  DF  WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) {21}
302  DF  .~ Including frequency-responsive means in the signal transmission path {4}
306.~.~ And bandpass, broadband (e.g., wideband) or sidepass means

DEFINITION

Classification: 330/306

And bandpass, broadband (e.g., wideband), or sidepass means:

(under subclass 302) Subject matter including means which determines the range of the frequencies of the applied signal that will be amplified.

SEE OR SEARCH CLASS

455, Telecommunications,

188.1+, for selectable band receivers.