Disk-shaped information memorizing medium cartridge
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 2, 2001
Issued Date -
N/A
app pub date -
Apr 26, 2000
filing date -
Feb 2, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A disk-shaped information memorizing medium having as small as possible a gap formed between a cartridge housing and an opening and closing door to prevent dust from entering. To this end, an opening window is provided through one plane portion of the cartridge housing opposing an information memorizing surface of an optical disk and the opening and closing door is swung along a plane of this plane portion.
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