发明名称 Lottery ticket with hidden conductive ink security means has substrate with a division into a non-game data area and game data area having conductive ink region
摘要 The lottery ticket comprises substrate (22) with division into a non-game data area (24) and game data area (26). The non-game data no longer has a conductive ink region but a conductive ink region (28) is present in the game data area and hidden from view and us detectable by lottery authentication/validation device. An Independent claim is also included for a method of producing a lottery ticket.
申请公布号 FR2792541(A1) 申请公布日期 2000.10.27
申请号 FR20000004928 申请日期 2000.04.17
申请人 OBERTHUR GAMING TECHNOLOGIES INC 发明人 BOROWSKI JR JOSEPH CARL
分类号 A63F3/06;B41M3/00;B41M3/14;G07F7/08;(IPC1-7):A63F3/06;G09F3/02 主分类号 A63F3/06
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