(under subclass 439) Subject matter wherein the coded indicia is sensed magnetically.
(1) Note. In this subclass the coded indicia is placed on the record as discrete elements of magnetic material. If the magnetic material is placed on the record as a continuous coating upon which information is subsequently impressed, classification is in Class 360.
SEE OR SEARCH THIS CLASS, SUBCLASS:
493, for records, per se, encoded with magnetic material.
SEE OR SEARCH CLASS
341, Coded Data Generation or Conversion,
15, for magnetic pattern reading type analog to digital converters.
360, Dynamic Magnetic Information Storage or Retrieval, appropriate subclasses for particular recording or reproducing structure and particular records. 365, Static Information Storage and Retrieval,
