Data processing: financial – business practice – management – or co – Business processing using cryptography – Postage metering system
Patent
1995-12-19
2000-11-21
Laufer, Pinchus M.
Data processing: financial, business practice, management, or co
Business processing using cryptography
Postage metering system
380 51, 705410, 705 62, G07B 1700, H04L 900
Patent
active
061515906
ABSTRACT:
A transaction evidencing system includes a plurality of computer systems operatively configured to form a network with one of the computer systems functioning as a server and the remaining computer systems functioning as clients. Each of the computer systems includes a processor, memory and storage media. At least some of the storage means includes non-metering application programs that are selectively run on the client computer systems. An unsecured printer is operatively coupled to at least one of the computer systems for printing in accordance with the non-metering application programs. A portable vault card, which is removably coupled to the server computer system, includes digital token generation and transaction accounting processing. The client computer systems issue requests for digital tokens to the server computer system in response to requests for indicia from the non-metering application programs. The requests for digital tokens include predetermined information required by the token generation processing. The server computer system communicates with the vault card when the vault card is coupled to the server computer system, sending the requests for digital tokens to the vault card and receiving from the vault card the generated digital tokens. The server computer system sends each digital token to the client computer system that requested the digital token. The requesting client computer system generates an indicia bitmap from the digital token. The server computer system receives from the vault a transaction record that includes the digital token and the predetermined information and stores the transaction record in its storage media.
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Cordery Robert A
Lee David K.
Pauly Steven J.
Pintsov Leon A
Riley David W.
Laufer Pinchus M.
Malandra, Jr. Charles R.
Melton Michael E.
Pitney Bowes Inc.
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