Lan controller proprietary bus

Details Lan controller proprietary bus Lan controller proprietary bus

1988-01-13

1989-04-18

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

3408255, 370 61, H04Q 100

Patent

active

048231240

ABSTRACT:
A local area network (LAN) communications bus arrangement comprises a multiprocessor (.mu.P) bus, a direct memory access bus, and an adapter bus. The microprocessor bus permits the attachment of various computer elements while providing other integrity and communication functions to other computer elements or computer systems beyond the bus. The communications bus arrangement includes an adapter interface having up to four daughterboards. Each daughterboard has odd and even numbered connectors. The daughterboards are designed to handle control, data and address lines on the connectors. These daughterboards are the hardware means by which communications with LANs which are attached to the bus arrangement are accomplished with processes, disks tapes, memories, attached to the proprietary bus.

REFERENCES:
patent: 3856993 (1974-12-01), Closs et al.
patent: 4553235 (1985-11-01), Svensson
patent: 4654654 (1987-03-01), Butler et al.
G.E. Friend, et al., "Understanding Data Communications," Radio Shack, Ft. Worth, Tex. 76102, 1984, pp. 4-14 and 8-27.
D.L. Cannon et al., "Understanding Communications Systems," Texas Instruments, Dallas, Texas 75265, 1984, pp. 193-194.

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