US PATENT SUBCLASS 360 / 77.14
.~.~.~.~.~ By pilot signal

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}
75  DF  .~ Controlling the head {3}
77.01  DF  .~.~ Track centering {2}
77.12  DF  .~.~.~ Elongated web carrier (i.e., tape) {1}
77.13  DF  .~.~.~.~ Transverse scan path {2}
77.14.~.~.~.~.~ By pilot signal {1}
77.15  DF  .~.~.~.~.~.~> Plural pilot signals along single transverse path

DEFINITION

Classification: 360/77.14

By pilot signal:

(under subclass 77.13) Subject matter wherein the centering of the transducer head over the transverse track on the record carrier is controlled by a reference signal recorded on the transverse track.