发明名称 |
FILM CONVEYANCE DISPLAY DEVICE |
摘要 |
PURPOSE:To display the wind/rewind state of a film clearly by providing a transparent member with an opaque fringe pattern and superposing the member upon another display plate having a fringe pattern, and observing moire fringes. CONSTITUTION:The 1st display plate 12 having the fringe pattern on the surface at specific intervals and the 2nd display plate 11c which has the fringe pattern by providing a light-transmissive and an opaque alternately on the surface at specific interval are provided. The interlocking mechanism consisting of a driving cam 3 which drives at least one display plate associatively with film conveyance by pawls 1a of a sprocket 1 and perforations 23a of a film is provided so as to vary the position relation between both display plates 12 and 11c according to the conveyance of the film 23. |
申请公布号 |
JPS59126520(A) |
申请公布日期 |
1984.07.21 |
申请号 |
JP19830001286 |
申请日期 |
1983.01.08 |
申请人 |
MINOLTA CAMERA KK |
发明人 |
YAMANAKA AKIRA;MATSUMOTO TOSHIAKI;MAEDA HIROSUKE;TAKARADA TAKEO;KOGURE YASUSHI |
分类号 |
G03B17/18;(IPC1-7):03B17/18 |
主分类号 |
G03B17/18 |
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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