Controller system or emulating local parallel minicomputer/print

Details Controller system or emulating local parallel minicomputer/print Controller system or emulating local parallel minicomputer/print

1984-06-11

1987-02-03

Williams, Jr., Archie E.

Boots, shoes, and leggings

364519, G06F 312, G06F 3023, G06F 1110, G06F 1516

Patent

active

046412638

ABSTRACT:
A remote line printer system is used for printing on a line-by-line printer at a remote location. Data stored in a minicomputer and fed in parallel format from a print port. The minicomputer, which thinks it is driving a local printer, is connected to a microprocessor controlled transmitter which emulates the conventional minicomputer/printer interface. The transmitter includes a serializer which converts character data from parallel to serial for transmission serially to a microprocessor controlled remote receiver via a communications line. At the receiver a deserializer converts serial data into parallel format for printing by a line printer which thinks it is being driven by a local host computer. The system includes retransmission of data in case of error as well as compression of data before transmission and decompression of data before printing.

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