| 摘要 |
FIELD: engineering of object access means. ^ SUBSTANCE: device has saved standard, containing fingerprint of authorized user, combined with verification code. In case of match between fingerprint of authorized user with one stored in memory, verification code if generated. Device activated by key periodically transmits an identifier, on receipt by access device of identifier, matching one of identifiers stored in memory, appropriate access key is extracted and sent to device activated by key to allow access to user. ^ EFFECT: high level of protection from unauthorized access. ^ 3 cl, 2 dwg |
