发明名称 |
Lamp with filament segments in curved layers |
摘要 |
An incandescent lamp has a filament formed by a plurality of filament segments. Each segment is formed by a straight coil section. The segments are mutually parallel and arranged in several layers. A first layer of filament segments is arranged along a first curved surface, and a second layer of filament segments is arranged along a second curved surface. The two curved surfaces are symmetrical with respect to a plane.
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申请公布号 |
US6525452(B1) |
申请公布日期 |
2003.02.25 |
申请号 |
US20000593915 |
申请日期 |
2000.06.14 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
GUINARD REMI |
分类号 |
H01K1/18;H01K1/14;(IPC1-7):H01J1/88;H01J1/96;H01J19/42 |
主分类号 |
H01K1/18 |
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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