US PATENT SUBCLASS 360 / 130.23
.~.~.~.~.~ Helical scan


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



360 /   HD   DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL

110  DF  HEAD {13}
128  DF  .~ Head accessory {4}
130.2  DF  .~.~ Record guide {1}
130.21  DF  .~.~.~ Tape record {1}
130.22  DF  .~.~.~.~ Rotating head {1}
130.23.~.~.~.~.~ Helical scan {1}
130.24  DF  .~.~.~.~.~.~> Head drum details


DEFINITION

Classification: 360/130.23

Helical scan:

(under subclass 130.22) Subject matter where the head rotation involves a helical scan of the record