US PATENT SUBCLASS 369 / 285
.~.~.~ With mask

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

Internet Version by PATENTEC © 1999      Terms of Use


369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

272  DF  STORAGE MEDIUM STRUCTURE {11}
283  DF  .~ Layered (e.g., permanent protective layer) {2}
284  DF  .~.~ Radiation beam modified or controlling (e.g., photosensitve, optical track) {1}
285.~.~.~ With mask

DEFINITION

Classification: 369/285

With mask:

(under subclass 284) Subject matter having a mask placed upon the storage medium surface to merge between stored signals.