Communications: electrical – Continuously variable indicating – With meter reading
Patent
1990-05-15
1992-04-21
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
3408255, 370 858, H04Q 100
Patent
active
051072572
ABSTRACT:
A bus relay apparatus includes a counting unit and a switching unit. The counting unit counts polling signals transmitted from a bus controller present in a first group of a plurality of grouped data communication processors. The switching unit switches a bus direction in accordance with the count of the counting unit.
REFERENCES:
patent: 4569047 (1986-02-01), Aimura
patent: 4679192 (1987-07-01), Vanbrabant
patent: 4750114 (1988-06-01), Hirtle
patent: 4787082 (1988-11-01), Delaney et al.
patent: 4860006 (1989-08-01), Barall
Holloway III Edwin C.
NEC Corporation
Yusko Donald J.
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