US PATENT SUBCLASS 360 / 16
.~ Contact transfer

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

15  DF  RECORD COPYING {1}
16.~ Contact transfer {1}
17  DF  .~.~> With magnetic bias

DEFINITION

Classification: 360/16

(under subclass 15) Subject matter wherein a blank record carrier is placed in contact with the record carrier to be copied and duplication occurs at the point of contact.