Mask for photographic printing
专利汇可以提供Mask for photographic printing专利检索，专利查询，专利分析的服务。并且PURPOSE: To print a mark on the white edge of a photograph only by superposing an edgeless mask and an edged mask one over the other by providing the edgeless mask which have an opening corresponding to one frame of photographic paper and the edged mask which has the peripheral edge part of an opening covered with a frame an is so fitted that the mask can be superposed on the edgeless mask and removed away from the mask.
CONSTITUTION: When an edgeless image is obtained, an opening 24 is held in a hand and drawn down against the attractive force of a magnet 22 to rotate the edged mark 20 around a shaft 18 as shown by an arrow A into a dropped state, so that exposure light 44 passes through the opening 14 to print an edgeless image on photographic paper 12. when an edge image is obtained, the edged mask 20 is rotated around the shaft 18 in the opposite direction from the arrow A and the magnet 22 is attracted to the edged mask 20, so that the exposure light 44 passes through the opening 24 to print an edge image on the photographic paper 12. Consequently, a mark is printed on the white edge of a photograph.
COPYRIGHT: (C)1987,JPO&Japio，下面是Mask for photographic printing专利的具体信息内容。
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