Capacitively coupled identity verification and escort memory app

Details Capacitively coupled identity verification and escort memory app Capacitively coupled identity verification and escort memory app

1996-02-22

1997-10-28

Hejec, Donald T.

Registers

Record controlled calculators

Dividing

235487, G06K 1906, G06K 1900

Patent

active

056820321

ABSTRACT:
The invention provides a control system responsive to a data-bearing record that has two electrodes configured so that one of the two is either in physical contact with, or is at least more nearly proximate, a reader plate than is the other electrode. The reader portion of the system may use a pulsed capacitive apparatus both to sense the object or user's proximity and thereafter for data communication with the escort apparatus e.g., to receive data representative of a bearer's identity. A preferred data bearing escort apparatus is powered by electrical voltage pulses generated by the reader. This preferred escort apparatus comprises a microcomputer and a non-volatile escort memory, but does not contain a battery. Moreover, because the electrodes disposed on the data-bearing record can be very thin, as well as being proscribed in lateral extent, the data-bearing record may be conveniently small.

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Zimmerman, T.G., "Personal Area Networks(PAN): Near-Field Intra-body Communication" Proc. 4th Ann. Wireless Symposium, Feb. 12-16, 1996, Santa Clara, California, USA.

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