US PATENT SUBCLASS 340 / 825.61
.~.~ Having delay line

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

825  DF  SELECTIVE {23}
825.57  DF  .~ Pulse responsive actuation {5}
825.61.~.~ Having delay line

DEFINITION

Classification: 340/825.61

Having delay line:

(under subclass 825.57) Subject matter including an element which retards the progress of a pulse.