发明名称 |
Illuminated control knob for electric switch |
摘要 |
An electric switch having a pair of light bulbs located in tandem with one light bulb serving to light the outer peripheral edge of a control knob for indicating location of the switch in the dark and the other light bulb serving to light the control knob center for providing a system status.
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申请公布号 |
US4549050(A) |
申请公布日期 |
1985.10.22 |
申请号 |
US19840622540 |
申请日期 |
1984.06.20 |
申请人 |
GENERAL MOTORS CORPORATION |
发明人 |
LANG, PAUL R. |
分类号 |
H01H9/18;H01H13/02;(IPC1-7):H01H9/16 |
主分类号 |
H01H9/18 |
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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