Parallel processing high speed printing system for an...

Facsimile and static presentation processing – Static presentation processing – Position or velocity determined

Reexamination Certificate

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Details

C358S001100

Reexamination Certificate

active

07099039

ABSTRACT:
A system and a method to control the motion of envelopes within a postage printing module to accommodate the use of slower print techniques and to achieve high throughput in a mail processing system. Envelopes transported in a mail processing system are diverted into two or more parallel print paths. At the parallel postage printing modules envelopes are processed according to a motion profile in which the envelope is decelerated from a transport velocity to a slower printing velocity. After the printing operation has been completed, the envelope is accelerated back to the transport velocity and transferred to a downstream module, where the parallel print paths are merged back into a single print path. The print head is preferably geared to operate in synchronism with the print transport. Further, upon the occurrence of an error condition, such as a jam, the print transports for the parallel paths are decelerated to a stop in such a manner as to preserve the spacing between subsequent envelopes to be the same as if no error condition had occurred. Displacement motion of the print transport during a stoppage or restarting is therefore controlled as a predetermined function, or set of functions, of the displacement of other modules in the system.

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patent: 5730049 (1998-03-01), Broschart
patent: 6305858 (2001-10-01), Mugrauer
patent: 6589000 (2003-07-01), Boss
patent: 2001/0045342 (2001-11-01), Frei
patent: 2002/0040354 (2002-04-01), Deshayes et al.
patent: WO96/32293 (1996-10-01), None
patent: 1134085 (2000-03-01), None
patent: WO9632293 (1996-10-01), None

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