FIELD: instrument making.
SUBSTANCE: invention is related to the field of optical image generation with application of computer equipment and may be used in systems of biometric personal identification. Device comprises serially installed and optically joined to each other light source, prism and a photodetector, which is connected to unit of processing. Prism is made in the form of strongly elongated body, length of which is equal to width of analysed part of body, and near prism there is a linear motion detector installed for analysed part of body relative to perceiving facet of prism, being electrically connected to unit of processing.
EFFECT: device application makes it possible to produce guaranteed high quality of image with a considerable simplification, cost and weight reduction of device structure for registration of a papillary pattern.
14 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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| DEVICE FOR RECORDING PAPILLARY PATTERN | 2001 |
|
RU2190352C1 |
