Registers – Records – Conductive
Reexamination Certificate
2005-03-08
2005-03-08
Fureman, Jared J. (Department: 2876)
Registers
Records
Conductive
C235S451000, C257S679000, C361S737000
Reexamination Certificate
active
06863220
ABSTRACT:
A radio operated data card whose outer jacket forms a sealed protected housing for internal electrical components, including an RFID integrated circuit which incorporates data storage and a radio frequency transceiver, an on card antenna, and manually operated, normally open electrical switch contacts connected between the on-card electronic circuitry and the antenna. The open switch contacts normally disable the card, protecting the data on the card from being surreptitiously read until the switch contacts are intentionally closed by the cardholder to enable data transfer to occur. The cardholder may activate the card by applying external pressure to the surface of the card at a predetermined position, closing the switch contacts which open again automatically when pressure is removed. A tactile indicia on the surface of the card allows the cardholder to determine by touch where the card should be pressed to enable data transfers to occur. In an alternate embodiment, a mating key in the possession of the cardholder may be brought into proximity with the card to close the normally open switch to permit information to be read from the card.
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Call Charles G.
Fureman Jared J.
Massachusetts Institute of Technology
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