发明名称 CARD CARRYING MICROFILM AND ASSOCIATED READING LENS AND PROCESS OF FORMING SAME
摘要 A card 21 having an information portion 25 upon which information appears that can be read in the normal manner; a portion carrying a microfilm 31 upon which information is recorded and a portion carrying a lens 37 suitable for reading the microfilm. The card comprises a paper card having an aperture 27 formed in one end region in which is located the microfilm. A pair of flexible clear plastic sheets laminate opposite sides of the paper card including the microfilm. A lens aperture is formed through the clear plastic sheets and through the paper card at an end region opposite the microfilm. A round plastic lens is located in the lens aperture. The lens comprises a central magnifying portion and two outer annular gripping flanges that grip opposite sides of the card respectively, for securing the lens in the lens aperture. The flanges provide a rim that is higher than the maximum surface of the central magnifying portion on each side thereof for providing protection for the central magnifying portion of the lens. <IMAGE>
申请公布号 GB2115743(B) 申请公布日期 1985.02.27
申请号 GB19820005671 申请日期 1982.02.26
申请人 * LENS-CARD SYSTEMS INC 发明人 DAVID L * ADRIAN
分类号 B42D15/10;G06K19/04 主分类号 B42D15/10
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