US PATENT SUBCLASS 369 / 214
.~.~ Cylindrical storage element

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

176  DF  DYNAMIC MECHANISM SUBSYSTEM {8}
213  DF  .~ Additional motion of storage element support to effect tracking {1}
214.~.~ Cylindrical storage element

DEFINITION

Classification: 369/214

Cylindrical storage element:

(under subclass 213) Subject matter wherein the storage medium has an elongate axially symmetric tubular configuration with a closed curved surface and an axis of

rotation coincident with its axis of symmetry.