发明名称 |
URLADDNINGSROR MED TVA INRE ELEKTRODER |
摘要 |
The invention relates to a low-pressure sodium-vapour discharge lamp which contains an excess of sodium. According to the invention the discharge tube contains a capillary connecting duct extending from a pool of liquid sodium. The provision of the capillary connecting duct prevents the power consumption of the lamp from increasing during the life of the lamp. |
申请公布号 |
SE403533(B) |
申请公布日期 |
1978.08.21 |
申请号 |
SE19740015710 |
申请日期 |
1974.12.16 |
申请人 |
NV * PHILIPSŸ GLOEILAMPENFABRIEKEN |
发明人 |
L M * SPRENGERS |
分类号 |
H01J61/24;H01J61/28;H01J61/74;(IPC1-7):01J61/18 |
主分类号 |
H01J61/24 |
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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