发明名称 |
Tape surface discriminating system |
摘要 |
A system for discriminating between the front and back surfaces of a tape over the entire length thereof, which comprises a device for discriminating the tape surfaces at least at one end of the tape, and a device for detecting any twisted section at an intermediate point of the moving tape on the basis of a change in the projected area of the tape in the tape width direction.
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申请公布号 |
US4467215(A) |
申请公布日期 |
1984.08.21 |
申请号 |
US19810331349 |
申请日期 |
1981.12.16 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
KATO, TOSHIHIRO |
分类号 |
G01N21/86;(IPC1-7):G01B11/04 |
主分类号 |
G01N21/86 |
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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