User authorization verification apparatus for computer systems including a central device and a plurality of pocket sized remote units
作者： Avigdor Grynberg
DOI:
关键词: Keying 、 Computer hardware 、 Hand held 、 Engineering 、 Code (cryptography) 、 Authorization 、 Verification system
摘要: A remote user authorization verification system including a central device having data imput and output, memory comparison facilities, plurality of hand held, pocket size units arranged for communication with the by means conventional telecommunications devices, such as telephone, information input keying apparatus, apparatus enciphering being operative providing an enciphered code to authorized status user.
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