Boots – shoes – and leggings
Patent
1981-02-17
1983-10-18
Zache, Raulfe B.
Boots, shoes, and leggings
364466, G06F 1520
Patent
active
044109610
ABSTRACT:
A peripheral interface board establishes a communications link between a postage value determining system processor associated with a postage scale and a plurality of peripheral devices. The interface includes a microcomputer which receives data and command signals from the system processor. A multiplexer interconnects the peripheral transmit line of the microcomputer with a selected peripheral device, while a further multiplexer interconnects the peripheral receive line of the microcomputer with the selected peripheral device. Typical mailing system peripheral devices include electronic postage meters, an electronic accounting system, a scale computer interface and a printer. In response to command signals from the system processor, the microcomputer establishes a communications link with a selected peripheral device. Communications subroutines include signal transmission and/or receipt, temporary storage of data received for communication to or from a peripheral device and communication with the system processor.
REFERENCES:
patent: 4127896 (1978-11-01), Raslavsky
patent: 4339807 (1982-07-01), Uchimura et al.
Dlugos Daniel F.
Manduley Flavio M.
Rubinstein Arthur
Pitchenik David E.
Pitney Bowes Inc.
Soltow, Jr. William D.
Whisker Robert H.
Zache Raulfe B.
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