US PATENT SUBCLASS 242 / 344
.~.~.~ With indicator or detector

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

324  DF  UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) {13}
335  DF  .~ Cartridge system (i.e., cartridge work station or cartridge) {7}
341  DF  .~.~ Coil-to-coil cartridge {6}
344.~.~.~ With indicator or detector

DEFINITION

Classification: 242/344

With indicator or detector:

(under subclass 341) Subject matter wherein the cartridge includes a device for either: (a) measuring the length or other physical condition of the carrier, or (b) sensing a physical condition (e.g., completion of a winding or unwinding cycle or a particular type of cartridge).

(1) Note. The measuring is not limited to a specific linear indicia, but may indicate a portion of material to be wound/unwound or time required to wind/unwind.