US PATENT SUBCLASS 360 / 41
.~.~ Nonreturn to zero

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}
41.~.~ Nonreturn to zero

DEFINITION

Classification: 360/41

(under subclass 40) Subject matter wherein a first or

opposite polarization of the record throughout an entire bit cell is indicative of a first or second binary digit and transitions in polarity occur only between unlike digits. Example: [figure]