Optical disk storage media identification
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United States of America Patent
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Issued Date -
Oct 16, 2003
app pub date -
Apr 16, 2002
filing date -
Apr 16, 2002
priority date (Note) -
Abandoned
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Abstract
A optical disk cartridge for a new generation of optical disk storage technology. Notches are formed in the front-edge corners of the cartridge to identify the cartridge as containing an optical disk of a new generation. When a notched cartridge is inserted into a previous generation disk unit, the notches prevent the full-insert detection switch from activating, thus preventing the disk from spinning-up and being accessed. An optical disk drive unit is also provided, in which the full-insert detection switches are repositioned as to not be in vicinity to the notches of the optical disk cartridge. Thus, the optical disk drive unit of the new generation variety will spin-up disks in cartridges have notches as well as older cartridges without notches, providing backward compatibility.
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