发明名称 |
GAMING TICKET WITH ULTRAVIOLET SECURITY FEATURE |
摘要 |
The present invention provides a gaming ticket having light-sensitive security information thereon which is visible when the gaming ticket is exposed to light of an appropriate wavelength. In a preferred embodiment, the security information becomes visible when exposed to ultraviolet light and is printed over indicia on the gaming card which are revealed when at least one window on the card is opened.
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申请公布号 |
CA2194515(A1) |
申请公布日期 |
1998.07.07 |
申请号 |
CA19972194515 |
申请日期 |
1997.01.07 |
申请人 |
BINGO PRESS & SPECIALTY LIMITED |
发明人 |
BRIGHT, IAN;RYE, DOUGLAS |
分类号 |
B42D15/00;(IPC1-7):B42D15/00 |
主分类号 |
B42D15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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