发明名称 |
PROJECTING LIGHT SOURCE, PROJECTING LIGHT SOURCE LIGHTING DEVICE, PROJECTING LIGHT DEVICE, AND PROJECTOR |
摘要 |
<p>PROBLEM TO BE SOLVED: To provide a projecting light source, a projecting light source lighting device, a projecting light device, and a projector, having a small size and preventing the obstruction of distribution of light by a mark of a lamp. SOLUTION: This projecting light source is composed of a bulb 6 made of quartz glass; a pair of electrode shafts 7, 8; a pair of electrodes 9, 10; and a discharge medium 11. The bulb 6 has an intermediate part 13 having a discharge space 12 and a pair of sealing parts 14, 15 unitedly formed at the both ends of the intermediate part 13. A mark 16a is indicated in the sealing part embedded in the neck part of reflector 5.</p> |
申请公布号 |
JP2003109405(A) |
申请公布日期 |
2003.04.11 |
申请号 |
JP20010337155 |
申请日期 |
2001.09.27 |
申请人 |
HARISON TOSHIBA LIGHTING CORP |
发明人 |
GOKAMI YASUTAKA;ISHIKAWA SATOKO;OTANI TETSUO |
分类号 |
G03B21/00;F21S2/00;F21V19/00;F21Y101/00;G03B21/14;H01J61/36;H04N5/74;(IPC1-7):F21S2/00 |
主分类号 |
G03B21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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