Parallel interface for printer

Details Parallel interface for printer Parallel interface for printer

1994-04-08

1995-06-13

Evans, Arthur G.

395101, G06F 1500

Patent

active

054251354

ABSTRACT:
A parallel interface for external devices such as a printer with bi-directional transmission and direct memory access (DMA) capabilities. The present invention also provides a printer side interface to allow bi-directional capability which is compatible with current printer interfaces.

REFERENCES:
patent: 4651278 (1987-03-01), Herzog et al.
patent: 4989163 (1991-01-01), Kawamata et al.
patent: 4992956 (1991-02-01), Kaku et al.
patent: 5090830 (1992-02-01), Kroeger
IEEE P1284 D1.00, Mar. 15, 1993, Forrest D. Wright, et al., "Standard Signaling Method for a BI-Directional Parallel Peripheral Interface for Personal Computers", pp. 1-118.
"Parallel Port Controller (Type 1)", IBM Personal System/2 Hardware Interface, Technical Reference, May 1988, pp. i, ii, 1-8.
"Parallel Port Controller", IBM Personal System/2 Hardware Interface Technical Reference-Common Interfaces, Oct. 1990, pp. 7--12.

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