Discharge lamp and light-source apparatus
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United States of America Patent
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May 24, 2011
Grant Date -
Sep 25, 2008
app pub date -
Mar 17, 2008
filing date -
Mar 20, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A discharge lamp (10) has a fixing base (20) on one end. In some embodiments, the fixing base comprises a cylindrical first body portion (21) having a pair of notches (21H), a cylindrical second body portion being larger than the diameter of the first body portion and having a joint (23H), and a groove portion (25) formed in between the first and second body portion and having an equal or less diameter of a space of the pair of notches. A first body portion and a stepped surface (21B) of the groove portion is contacted to a base surface of a lamp holder (50) when the fixing base is inserted to the lamp holder.
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