Communications: electrical – Continuously variable indicating – With meter reading
Patent
1992-02-28
1995-12-26
Black, Thomas G.
Communications: electrical
Continuously variable indicating
With meter reading
315119, 315127, 315292, 315316, H05B 3702, H05B 3703, H05B 3906
Patent
active
054791596
ABSTRACT:
A monitoring apparatus is included in each street light of a plurality of street lights. Each monitoring apparatus monitors the operation of the associated street lamp and stores data representing the operation thereof. Data is sent from each monitoring apparatus to a monitoring station, via the power supply cables connected to the street lamps, under control of the monitoring station. The monitoring station stores the data until it is requested to transfer the data to an interrogating station. The data is then analysed to identify faulty street lights.
REFERENCES:
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patent: 4396844 (1983-08-01), Miller et al.
patent: 4520274 (1985-05-01), Stants
patent: 4707679 (1987-11-01), Kennon et al.
patent: 4808982 (1989-02-01), Knapp
patent: 4810936 (1989-03-01), Nuckolls et al.
patent: 5095502 (1992-08-01), Finzel
patent: 5194860 (1993-03-01), Jones et al.
Kelly William
Kendall Leslie
Black Thomas G.
Jung David Yiuk
Mutual Systems Ltd.
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