Boots – shoes – and leggings
Patent
1982-03-16
1985-09-03
Shaw, Gareth D.
Boots, shoes, and leggings
34082501, 370 87, H04J 308
Patent
active
045396558
ABSTRACT:
A distributed automated control network system consisting of a master host computer, network processing nodes for monitoring and control of work locations and a subhost node which interfaces the nodes and host computer. The subhost includes dual microprocessor configurations on a common bus, one for communications and one for control, operating 180.degree. out of phase. Each node can be configured from a variety of modular subsystems on a common bus including modules for network control, data acquisition, digital and analog inputs and outputs, display terminals and the like in accordance with system requirements. The nodes communicate via two fiber optic channels, one operating clockwise and the other counterclockwise with foldback capability in the event of a fault. A conventional signal back-up is also provided.
REFERENCES:
patent: 3681694 (1972-08-01), Sarati
patent: 3882456 (1975-05-01), Takada
patent: 4009469 (1977-02-01), Boudreau et al.
patent: 4144410 (1979-03-01), Flickinger et al.
patent: 4190821 (1980-02-01), Woodward
patent: 4380046 (1983-04-01), Fung
Penney et al., "Survey of Computer Communication Loop Networks", Aug. 4, 1979, pp. 165-180.
Felix Andre B.
Hembree Thomas D.
Rollins Paul F.
Trussell Gerald C.
Nelson Gregory J.
Phoenix Digital Corporation
Shaw Gareth D.
Wiens Tim A.
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