Interrupt system

Details Interrupt system Interrupt system

1997-05-12

1998-08-25

Leja, Ronald W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

307 38, H02H 300

Patent

active

057989010

ABSTRACT:
An interrupt system (10) having a plurality of electrical devices (12) having a time frame in which to examine an interrupt acknowledgement cycle, first and second lines (14 and 16) electrically connected to each of the electrical devices (12), a device (18) for issuing an interrupt signal on the first line (14), with said devices (12) determining during its time frame whether the cycle is intended for itself, and selected electrical devices (12) asserting a common acknowledgement signal on the second line (16) indicating the cycle is being serviced, such that removal of any electrical device (12) does not compromise the system interrupt capability.

REFERENCES:
patent: 4918566 (1990-04-01), Brodsky et al.
patent: 5293589 (1994-03-01), Skordov et al.
patent: 5455760 (1995-10-01), Bilas et al.

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