FIELD: radio engineering, communication.
SUBSTANCE: device contains a biometric parameter scanner 1, a decoder 2, a recurrent shift register withe the linear feedback 3, a one-way OR-NO gate 4, a manual password input 5, a subtractor 6, the first multi-input OR-NO gate 7, a clock pulse generator 8, the first two-input AND gate 9, the second multi-input OR-NO gate 10, the second two-input AND gate 11, a configuration input of the recurrent shift register with the linear feedback 12, an output of the access authorisation signal issuance 13.
EFFECT: increasing the reliability of the device and reducing its hardware resources.
1 dwg
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