US PATENT SUBCLASS 360 / 74.5
.~.~.~ Responsive to physical property of record

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

69  DF  AUTOMATIC CONTROL OF A RECORDER MECHANISM {3}
71  DF  .~ Controlling the record {3}
74.1  DF  .~.~ Stopping or reversing {4}
74.5.~.~.~ Responsive to physical property of record {2}
74.6  DF  .~.~.~.~> Photoelectric
74.7  DF  .~.~.~.~> Conductive

DEFINITION

Classification: 360/74.5

Responsive to physical property of record:

(under subclass 74.1) Subject matter where the stopping or reversing is controlled by detecting a physical property of the record (i.e., notch, slot, etc.).