Event reporting using a two-wire non-blocking bus structure

Details Event reporting using a two-wire non-blocking bus structure Event reporting using a two-wire non-blocking bus structure

1990-12-27

1992-10-13

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082512, 34082536, 34082557, 34087009, 340506, 340508, 370 859, H04Q 100

Patent

active

051554801

ABSTRACT:
An apparatus for non-blocking event reporting from event reporting units to a monitoring circuit includes a first and second common wire coupling the units to the monitoring circuit. A constant level signal is generated on the first wire and a pulse signal is generated on the second wire. The monitoring circuit detects the level and pulse signals and reports multiple overlapping events occuring at the event reporting units.

REFERENCES:
patent: 3435145 (1969-03-01), Pinualt et al.
patent: 3688296 (1972-03-01), Donohue et al.
patent: 4091384 (1978-05-01), Green
patent: 4117479 (1978-09-01), Galvin et al.
patent: 4610012 (1986-09-01), Terada et al.
patent: 4740787 (1988-04-01), Kimura
patent: 4752698 (1988-06-01), Furuyama et al.
patent: 4782481 (1988-11-01), Eaton
Schematic 2-42932-1382.
Schematic 2-42933-4018.

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