Electric lamp and discharge devices: systems – Plural load device systems
Patent
1997-02-21
1999-10-05
Kinkead, Arnold
Electric lamp and discharge devices: systems
Plural load device systems
315323, 34031001, 34082517, 34082506, 307 36, 307 38, 307 39, 307 40, H02J 314, H02J 100
Patent
active
059629916
ABSTRACT:
A new and improved outdoor lighting control system for an outdoor lighting system network for automatically sensing, conveying, and recording data relevant to the operation of the lighting system network so that both control and maintenance can be performed more efficiently. At each of plural lamp locations in the network, there is a controller module that receives electric power input and that supplies electric power to the remaining lamp locations. Each controller module has a first relay to deliver current to one or more outdoor illumination lamps at the controller module's location, and a second relay for switching electric power on to a succeeding lamp location. A first current sensor monitors current to the lamps at each lamp location, and a second current sensor monitors current to the remaining locations. The network's power lines form portions of a bi-directional data link via which data is transmitted from each controller module to a command station, and vice versa.
REFERENCES:
patent: 4691341 (1987-09-01), Knoble et al.
patent: 5172008 (1992-12-01), Odagiri
patent: 5563455 (1995-02-01), Cheng
patent: 5661347 (1997-08-01), Luger et al.
Intelilite, L.L.C.
Kinkead Arnold
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