| 发明名称 |
APPARATUS FOR CONTROLLING A PLURALITY OF LIGHT SOURCES |
| 摘要 |
Three variable, addable factors are controlled simultaneously from a single manual setting of the apparatus to produce a resultant having a constant characteristic.
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| 申请公布号 |
US3643294(A) |
申请公布日期 |
1972.02.22 |
| 申请号 |
USD3643294 |
申请日期 |
1970.08.10 |
| 申请人 |
BELL & HOWELL CO. |
发明人 |
JAMES F. WILSON |
| 分类号 |
H01H19/58;H04N9/73;(IPC1-7):H01H19/58;H01H21/78;H04N9/48 |
主分类号 |
H01H19/58 |
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