发明名称 Sheet containing directional half-tone images and method for making the same.
摘要 <p>A sheet containing an integrated directional, photographic image. Each sheet may contain one or more such images. Also a method for forming such images in microlens sheetings comprising directing a highly collimated light through an interposed half-tone mask.</p>
申请公布号 EP0215672(A2) 申请公布日期 1987.03.25
申请号 EP19860307136 申请日期 1986.09.16
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 ORENSTEEN, BRUCE D. MINNESOTA MINING AND;BRADSHAW, THOMAS I. MINNESOTA MINING AND
分类号 G03C1/00;G02B5/128;G09F13/16;H04N1/00;(IPC1-7):G02B5/128 主分类号 G03C1/00
代理机构 代理人
主权项
地址