FIELD: information technology.
SUBSTANCE: system includes a data medium containing data recorded in form of a Fourier hologram and a reading device. The reading device restricts movement of the data medium in two spatial directions and allows manual movement in a third direction.
EFFECT: high reliability of the system.
5 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2417440C2 |
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|
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|
RU2380750C2 |
| AUTHENTICITY VERIFICATION | 2006 |
|
RU2417448C2 |
