| 发明名称 |
Drive control apparatus for motion picture projector |
| 摘要 |
A drive control mechanism for selectively actuating a motion picture projector to several operational modes to transport film between a supply device and a take-up device is provided that utilizes a brake mechanism to stabilize a selective driving assembly and to prevent film spillage.
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| 申请公布号 |
US4101097(A) |
申请公布日期 |
1978.07.18 |
| 申请号 |
US19770770249 |
申请日期 |
1977.02.18 |
| 申请人 |
BELL & HOWELL COMPANY |
发明人 |
KIM, RAYMOND W. H.;LODGE, EDWARD H.;LUEDERS, ARTHUR L. |
| 分类号 |
G03B21/00;G03B21/43;(IPC1-7):G03B1/04;G11B15/32 |
主分类号 |
G03B21/00 |
| 代理机构 |
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代理人 |
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