G - Physics – 07 – B
Patent
G - Physics
07
B
354/233, 354/38
G07B 17/00 (2006.01) B07C 1/00 (2006.01) G06F 11/14 (2006.01) G06F 11/16 (2006.01) G06F 13/366 (2006.01) G06F 13/42 (2006.01)
Patent
CA 1136277
B-447 PB-132 MULTIPROCESSOR PARCEL POSTAGE METERING SYSTEM HAVING SERIAL DATA BUS ABSTRACT OF THE DISCLOSURE A multiprocessor parcel postage metering system includes a system processor to which a scale subsystem processor, a postage printing subsystem processor and a peripherals subsystem processor may be connected. The processors share a common data bus over which data is trans- ferred serially. The system processor accepts weight and status data transmitted from the scale subsystem processor over the serial data bus. The system processor operates on this data and keyboard entry data to calculate required postage as a function of parcel origin, parcel destination, class of service and selected special fees. Printer setting data is transferred to the postage printing subsystem processor over the serial data bus. Peripheral devices, such as a document printer or a parcel identification number counter, are controlled by data sent to the peripherals subsystem processor over the serial data bus. Communications are con- trolled by the system processor which initiates any inter- processor data transfer by means of a control signal which is interpreted by the addressed subsystem processor as a demand for information.
345439
Macrae & Co.
Pitney-Bowes Inc.
LandOfFree
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