FIELD: physics.
SUBSTANCE: invention relates to biometrics, dactyloscopy, to methods of taking fingerprints. Method of obtaining an image of a rolled fingerprint, including pressing a finger to a flat sensor of a contact fingerprint scanner, processing the electrical signal from the sensor and recording the image in a memory device, wherein the contact plane of the sensor is rotated around the finger pressed to it so that the sensor successively comes into contact with the lateral, central and other lateral zones of the nail phalanx of the finger, wherein the finger is exposed to the clamping device to improve the contact of the finger with the sensor, characterized in that during the rotation of the sensor, the clamping device is moved and the sensor in directions parallel to the contact plane of the sensor in opposite directions, synchronously and by an equal amount.
EFFECT: more complete imprint and automation of the process.
6 cl, 7 dwg
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