Power status detecting apparatus

Details Power status detecting apparatus Power status detecting apparatus

1990-05-14

1992-03-17

Crosland, Donnie L.

Communications: electrical

Systems

Selsyn type

340310R, 340310A, 340511, 340635, 340657, 340660, 34082569, 34082572, 3581941, 307126, 455353, 359146, H04M 1104

Patent

active

050972499

ABSTRACT:
A power status detecting apparatus which is to be applied to a plurality of audio-visual equipments arranged such that currents flowing to AC lines of the respective equipments are detected so as to identify the power condition status of the respective equipments and in which identified information are supplied to a system control apparatus. Thus, system control for a plurality of equipments can be performed more positively and conveniently.

REFERENCES:
patent: 3971028 (1976-07-01), Funk
patent: 4703306 (1987-10-01), Barrift
patent: 4755792 (1988-07-01), Pezzolo et al.
patent: 4899129 (1990-02-01), MacFadyen et al.

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