发明名称 |
VEHICULAR HEADLAMP OF THE PROJECTION TYPE |
摘要 |
The vehicular headlamp of the projection type in which a projection unit is installed within a lamp body, the projection unit including an elliptic reflector, a discharge lamp as a light source disposed at a first focal position of the elliptic reflector, an ultraviolet-rays shield glove for covering the discharge lamp, and a projection lens disposed at a forward location of the elliptic reflector, the projection lens collimating and projecting forward the light reflected from the elliptic reflector. The headlamp is improved in that the ultraviolet-ray shield glove is a tubular member which is opened at the fore end and includes a inner lens, disposed between the discharge lamp and the projection lens, for intercepting the ultraviolet rays.
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申请公布号 |
US5132881(A) |
申请公布日期 |
1992.07.21 |
申请号 |
US19910753453 |
申请日期 |
1991.08.30 |
申请人 |
KOITO MANUFACTURING CO., LTD. |
发明人 |
WAKIMIZU, YUKIO;WATANABE, SABURO;HANDA, MASAMI;OHSHIO, HIROHIKO |
分类号 |
F21S8/10;F21S8/12;F21V9/06 |
主分类号 |
F21S8/10 |
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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