US PATENT SUBCLASS 324 / 76.45
.~.~.~.~ Bandpass

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

76.11  DF  MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
76.39  DF  .~ Frequency of cyclic current or voltage (e.g., cyclic counting etc.) {6}
76.41  DF  .~.~ Frequency comparison, (e.g., heterodyne, etc.) {4}
76.44  DF  .~.~.~ With filtering {2}
76.45.~.~.~.~ Bandpass

DEFINITION

Classification: 324/76.45

Bandpass:

(under subclass 76.44) Subject matter that limits the range of frequencies that will be passed through a device.