Microprocessor operated timing controller

Details Microprocessor operated timing controller Microprocessor operated timing controller

1986-02-10

1987-06-09

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307132R, 307132E, 307141, 307 38, 364141, 200 38R, H01H 4302

Patent

active

046722327

ABSTRACT:
The timing controller includes a triac, a receptacle, and an AC wall outlet coupled in series. A sensor is coupled across the receptacle to sense when a lamp plugged therein is turned on or off. A microprocessor is coupled to the sensor circuit and stores each time the lamp is turned on and each time it is turned off. After twenty-four hours have lapsed, the microprocessor operates the electronic switch in accordance with the stored temporary program to turn the lamp on and off at the same times on each succeeding day. In the event of a power failure, the subsequent reapplication of power will cause the microprocessor to turn the lamp on and off for four-hour periods.

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