LOCKING SAFEGUARD DEVICE Russian patent published in 1994 - IPC

Abstract RU 2023126 C1

FIELD: locking safeguard devices. SUBSTANCE: locking safeguard device consists of body accommodating source and receiver of radiation, key, information processing unit and keyhole. Key is made in form of flexible plate with deep code hologram applied to it. Keyhole is made in form of slot to receive key and imparting to its surface the shape requires for reestablishing the code hologram. EFFECT: higher efficiency. 1 dwg

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RU 2 023 126 C1

Authors

Kudrjavtsev Jurij Vital'Evich

Dates

1994-11-15—Published

1990-11-13—Filed