发明名称 |
Film design and improved circuit therefor enabling utilization of greater film exposure area |
摘要 |
An electronically controlled motor advance for film having light transmitting apertures along its edge that interact with a light source and a light sensitive switch for controlling the film advance motor. The usable film size is substantially increased by a unique method of advancing film which eliminates sprocket holes in conventional film.
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申请公布号 |
US4401376(A) |
申请公布日期 |
1983.08.30 |
申请号 |
US19820358028 |
申请日期 |
1982.03.15 |
申请人 |
POMAZI, LASZLO |
发明人 |
POMAZI, LASZLO |
分类号 |
G03B17/42;(IPC1-7):G03B1/12 |
主分类号 |
G03B17/42 |
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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