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method for applying a security code to a subject, such as a bank card, credit card, id card or a part of an engine or machine
method for applying a security code to a subject, such as a bank card, credit card, id card or a part of an engine or machine
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机译:将安全码应用于对象的方法,例如银行卡,信用卡,身份证或引擎或机器的一部分
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PCT No. PCT/NL96/00480 Sec. 371 Date Aug. 7, 1998 Sec. 102(e) Date Aug. 7, 1998 PCT Filed Dec. 9, 1996 PCT Pub. No. WO97/21552 PCT Pub. Date Jun. 19, 1997For applying a security code to an article, such as a cheque guarantee card, credit card, identity card or component of a motor or machine, use is made of a hologram or kinegram wherein personification or identification symbols, letters, numerals or figures are or will be cut out by burning-in using a laser beam, said hologram or kinegram being affixed to an underlying hologram or kinegram which is affixed to the article directly or via one or more holograms or kinegrams, the various features being such that the optical effect of an underlying hologram or kinegram is visible through the cut-out symbols.
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