Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1987-08-24
1989-02-28
Pitts, Harold I.
Registers
Systems controlled by data bearing records
Credit or identification card systems
235380, 235487, G06K 500
Patent
active
048088030
ABSTRACT:
A security system that grants access to authorized persons includes a central controller, insertion-type card readers, proximity-type card readers, and an interface module that interfaces between the central controller and the proximity-type readers in order to make the proximity-type readers appear to the central controller as though they were insertion-type readers. When indentification data is presented to one of the card readers in the system, the identification data is passed to the central controller, which then checks its memory to determine whether the identification data identifies an authorized person. If the identification data is present in the memory of the central controller, then the person is authorized to enter, and the central controller sends a command to the approximate card reader instructing it to unlock the door that the card reader controls.
REFERENCES:
patent: 4677284 (1987-06-01), Genest
Hor John
Magier Louis H.
Yang Hei-Pen
Figgi International, Inc.
Pitts Harold I.
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