发明名称 |
Electric incandescent lamp |
摘要 |
In an electric incandescent lamp having a tungsten filament with a number of light-emissive sections (5, 7) connected by a non-light-emissive conductor, complicated constructions are often used so that said non-light-emissive conductor dissipates little energy. In such an incandescent lamp according to the invention the non-light-emissive conductor consists of a piece (9) of the tungsten wire (1) from which the light-emissive sections (5, 7) have been wound helically and around which a wire (2) of a less noble metal than tungsten is wound. The lamp may be used as a copying lamp. FIG. 1e.
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申请公布号 |
US4414484(A) |
申请公布日期 |
1983.11.08 |
申请号 |
US19810272437 |
申请日期 |
1981.06.10 |
申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
NOTELTEIRS, VICTOR R.;CLAESSENS, STEPHANUS J. |
分类号 |
H01K1/24;H01K7/00;(IPC1-7):H01J1/88;H01J19/42;H01K1/18 |
主分类号 |
H01K1/24 |
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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