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Reading of holographic markings formed as security markings on such as a banknotes using a laser
Reading of holographic markings formed as security markings on such as a banknotes using a laser
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机译:使用激光读取在钞票上形成为安全标记的全息标记
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摘要
An item such as a banknote (1) has security markings (3) that can be in the form of a holograph. The holographic markings are reconstructed on a screen (11) by directing the output of a laser (9) onto the surface which is then reflected.
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