Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1991-06-28
1999-06-01
Hofsass, Jeffery A.
Communications: electrical
Condition responsive indicating system
Specific condition
340638, G08B 2100
Patent
active
059091800
ABSTRACT:
For use within an electrical distribution to control current paths through a plurality of associated circuit breakers, a circuit arrangement comprises a plurality of circuit breakers, each having a status related to open contact position and a closed contact position. An informational display is included within the load-center to display the plurality of statuses at a user access side of the display, and a control circuit, coupled to the circuit breakers and the informational display, automatically monitors the contact status of the circuit breakers and drives the informational display so that a display of the statuses is provided.
REFERENCES:
patent: 3529292 (1970-09-01), Neill et al.
patent: 4556882 (1985-12-01), Brifman et al.
patent: 4754162 (1988-06-01), Kondou et al.
patent: 4977513 (1990-12-01), LaPalme
patent: 5051861 (1991-09-01), Purkayastha et al.
Bailey Curtis J.
Bilas Ronald J.
Farrington Ronald L.
Fleege Dennis W.
Reid Drew A.
Golden Larry I.
Hofsass Jeffery A.
Irfan Kareem M.
Square D Company
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