Parallel telephone bus segmentation system

Details Parallel telephone bus segmentation system Parallel telephone bus segmentation system

1994-11-04

1999-08-17

Pham, Chi H.

Pulse or digital communications

Cable systems and components

379269, 379398, 379399, H04B 300, H04L 2000

Patent

active

059404434

ABSTRACT:
A bus system providing increased connection flexibility and hot pluggable connections includes an open collector bus, a receiver connected to the open collector bus via a current sensor, a driver connected to the open collector bus, a peripheral card and a flexible cable operatively coupling the peripheral card, the receiver and the driver so as to provide point-to-point connection between the peripheral card and the open collector bus. The current sensor provides a control signal to the driver to increase the impedance of the driver in the event that a current is produced by the peripheral card.

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patent: 5220211 (1993-06-01), Christopher et al.
patent: 5257289 (1993-10-01), Jopson
patent: 5463685 (1995-10-01), Yee
"Scheme for Connecting Processors Through an Open Collector Bus", IBM Technical Disclosure Bulletin, August 1982, vol. 25, pp. 1268-1269.

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