发明名称 |
Dental astral lamp |
摘要 |
A dental astral lamp using a tungsten halogen lamp as a light source is detachably provided on its light emanating plane with a color temperature transducing filter serving to reduce a luminous intensity at its focal position to a range of 1,500 to 4,500 luxes and transduce a color temperature to a range of 5,000 to 7,500 kelvins.
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申请公布号 |
US4897772(A) |
申请公布日期 |
1990.01.30 |
申请号 |
US19880289250 |
申请日期 |
1988.12.23 |
申请人 |
G-C DENTAL INDUSTRIAL CORP. |
发明人 |
IBUSUKI, MASUMI;ISHIKAWA, HIDEHITO |
分类号 |
F21S2/00;A61B19/00;A61C19/00;F21S8/00;F21V9/08 |
主分类号 |
F21S2/00 |
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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