Controller for outdoor lighting systems

Details Controller for outdoor lighting systems Controller for outdoor lighting systems

1988-05-17

1990-10-30

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307141, 315360, H01H 4300, G04C 2300, H05B 3702

Patent

active

049670980

ABSTRACT:
A controller for outdoor lighting systems turns lights on and off at predetermined times during the day which are designated by a user. The turn on time is set when the user first turns on the lights. The turn off time is fixed by allowing the user to specify the amount of time that the lights will stay lit. The controller repeats the on-off sequence every 24 hours unless it is reprogrammed. Accurate timing is maintained by counting the pulses in standard 120 V, 60 Hz, line current. A manual override is provided which does not interfere with the programmed time sequence.

REFERENCES:
patent: 4354120 (1982-10-01), Schornack

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