发明名称 |
Tubular incandescent lamp |
摘要 |
A tubular incandescent lamp which comprises an elongate transparent envelope; and a plurality of small lamps linearly arranged and extending lengthwise through the envelope, each of said small lamps containing a helically coiled filament and wherein the difference between the inner diameter of the envelope and the outer diameter of the respective lamps is chosen to be 2 mm or less.
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申请公布号 |
US4285032(A) |
申请公布日期 |
1981.08.18 |
申请号 |
US19790062149 |
申请日期 |
1979.07.30 |
申请人 |
TOKYO SHIBAURA DENKI KABUSHIKI KAISHA |
发明人 |
HONDA, KIYOKAZU;YOSHIIKE, YOSHIJI;MURAKI, KATSUO;KAWAMATA, TERUYOSHI |
分类号 |
F21V19/00;G03B27/54;G03G15/04;G03G15/047;H01K1/24;H01K1/34;H01K1/42;H01K7/00;H01K9/00;(IPC1-7):F21S3/00 |
主分类号 |
F21V19/00 |
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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