Method and system for securing operation of a printing module

Details Method and system for securing operation of a printing module Method and system for securing operation of a printing module

1995-10-13

1997-11-04

Beausoliel, Jr., Robert W.

Boots, shoes, and leggings

364235, 36491852, 364930, 380 51, G06F 1100

Patent

active

056849494

ABSTRACT:
A method for securing a postage transaction in a postage meter having an accounting module and a printing module includes A) storing a plurality of data patterns in the accounting module; B) storing the plurality of data patterns in the printing module; C) utilizing one of the accounting module and the printing module to request that a specific one of the plurality of data patterns be sent from the other of the accounting module and the printing module to the one of the accounting module and the printing module; D) sending a return data pattern from the other of the accounting module and the printing module to the one of the accounting module and the printing module in response to the request of step C); E) determining if the return data pattern and the specific one of the plurality of data patterns are the same; and F) initiating printing by the printing module only when in step E) it is determined that the return data pattern and the specific one of the plurality of data patterns are the same. A systems incorporates the method set forth above.

REFERENCES:
patent: 4813912 (1989-03-01), Chickneas et al.
patent: 4831555 (1989-05-01), Sansone et al.
patent: 4858138 (1989-08-01), Talmadge
patent: 4934846 (1990-06-01), Gilham
patent: 5077729 (1991-12-01), Wong
patent: 5293465 (1994-03-01), Abumehdi et al.
patent: 5471925 (1995-12-01), Heinrich et al.

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