Intelligent electrical switch

Electrical transmission or interconnection systems – Plural supply circuits or sources – Connecting or disconnecting

Reexamination Certificate

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Details

C307S139000

Reexamination Certificate

active

06984900

ABSTRACT:
An electronic circuit for use with an exhaustible power source and load such as a light bulb, includes a microchip with an input that transmits a signal to the microchip when the load is activated or deactivated. The input does not form a serial link between the power source and the load. The power switch, by on/off switching, controls energy flow from the power source to the load. The electronic circuit has an automatic delayed shut-off function for the load and, a find-in-the-dark indicator and a power source level indicator which are active when the load is not energized and the power source is not being charged. The input to the microchip acts as an activation/deactivation user interface. The microchip allows the user to select specific functions based on the time duration of activation signals, the time duration between activation signals and the number of activation signals at the input.

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