US PATENT SUBCLASS 327 / 252
.~.~.~ With passive time delay element

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

100  DF  SIGNAL CONVERTING, SHAPING, OR GENERATING {29}
231  DF  .~ Phase shift by less than period of input {7}
237  DF  .~.~ Variable or adjustable {9}
252.~.~.~ With passive time delay element {1}
253  DF  .~.~.~.~> Having multiple outputs

DEFINITION

Classification: 327/252

With passive time delay element:

(under subclass 237) Subject matter wherein the time required for a signal to travel between two points in a circuit is controlled by an element powered only by an input signal, without any bias voltage.

(1) Note. A passive element (such as a capacitor, resistor, or inductor), does not add any amplification or gain (i.e., it presents some loss to the system).

SEE OR SEARCH THIS CLASS, SUBCLASS:

250, for a variable or adjustable phase shift with an active time delay element.