| 发明名称 |
PROJECTION LAMP COMPRISING SINGLE ENDED ARC DISCHARGE LAMP AND AN INTERFERENCE FILTER |
| 摘要 |
A projection lamp comprises a single-ended metal halide arc discharge lamp disposed within a curved reflector and an interference filter disposed in front of the reflector, the filter being highly transmissive of visible light and reflective of radiation for which the metal halide, in molten salt form, is highly absorptive. |
| 申请公布号 |
DE3174237(D1) |
申请公布日期 |
1986.05.07 |
| 申请号 |
DE19813174237 |
申请日期 |
1981.06.26 |
| 申请人 |
GTE PRODUCTS CORPORATION |
发明人 |
ROTHWELL, HAROLD L.;KEEFFE, WILLIAM M.;ENGLISH, GEORGE J. |
| 分类号 |
F21V9/06;F21V17/04;G03B21/20;H01J61/12;(IPC1-7):G03B21/20;G02B19/00;H01J61/40 |
主分类号 |
F21V9/06 |
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