Load information display device and circuit breaker

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system

Reexamination Certificate

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Details

C702S058000, C702S188000, C324S424000, C324S114000, C340S638000

Reexamination Certificate

active

11062823

ABSTRACT:
This invention is intended to reduce the cost by displaying the load information of a plurality of circuits with a single display device and transferring one of the two communication units in the measuring instruments from the measuring instruments to the display device to acquire the load information of a plurality of circuits. The display device and the measuring instruments are separated from each other, and the display device includes a plurality of communications units connectable with a plurality of devices, while each of many measuring instruments includes a single communication unit.

REFERENCES:
patent: 5553094 (1996-09-01), Johnson et al.
patent: 2001/0000355 (2001-04-01), Santos et al.
patent: 2003/0009301 (2003-01-01), Anand et al.
patent: 2003/0165142 (2003-09-01), Mills et al.
patent: 2002-095152 (2002-03-01), None

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