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
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