Speedup for monetary transactions using a transponder in conjunc

Details Speedup for monetary transactions using a transponder in conjunc Speedup for monetary transactions using a transponder in conjunc

1995-08-18

1997-02-11

Buczinski, Stephen C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

235384, 340928, H04K 100, G07B 1502, G08G 100

Patent

active

056029195

ABSTRACT:
This invention allows a user to have a smartcard (66) and a smartcard-based transponder (14). This smartcard-based transponder (14) can accept money from the smartcard (14). The amount transferred from the smartcard (66) can be stored in the transponder memory (80,82). At a toll plaza (29), a toll amount can be subtracted within a short period of time, so that a vehicle (26) bearing the transponder (14) will not pass through the zone in which the transponder (14) and the interrogator (12) may perform RF communications before an appropriate toll amount can be decremented from the amount stored within the transponder (14).

REFERENCES:
patent: 4303904 (1981-12-01), Chasek
patent: 5086389 (1992-02-01), Hassett
patent: 5144553 (1992-09-01), Hassett
patent: 5310999 (1994-05-01), Claus et al.

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