US PATENT SUBCLASS 360 / 42
.~.~ Phase code

Current as of: June, 1999
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360 /   HD   DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL

39  DF  GENERAL PROCESSING OF A DIGITAL SIGNAL {10}
40  DF  .~ In specific code or form {4}
42.~.~ Phase code

DEFINITION

Classification: 360/42

(under subclass 40) Subject matter wherein a transition in polarity in a first direction is indicative of a first binary digit and a transition in polarity in an opposite direction is indicative of the second binary digit. Example: [figure]