Light sense controller

Details Light sense controller Light sense controller

2007-08-21

2007-08-21

Tran, Thuy Vinh (Department: 2821)

Electrical connectors

With circuit component or comprising connector which fully...

C307S117000

Reexamination Certificate

active

11477354

ABSTRACT:
A light sense controller uses a light sensor to sense light variations, and then turns a socket on or off in response to the light levels for controlling household appliances coupled the socket. The light sense controller includes a plug and at least one socket. A step-down circuit couples to the plug for receiving AC power and outputting a supply voltage. A stabilizer couples to the step-down circuit for receiving the supply voltage, and outputs a first and second work voltage. A light sensor outputs a control signal in response to ambient brightness. A controller couples to the stabilizer and the light sensor for receiving the first work voltage and the control signal, and outputs a drive signal. An outputting circuit couples to the stabilizer, the controller, the plug, and the socket for receiving the second work voltage and the drive signal, and turns the socket on or off.

REFERENCES:
patent: 6060838 (2000-05-01), Cantoni et al.
patent: 2003/0092297 (2003-05-01), Reindle et al.
patent: 2006/0044858 (2006-03-01), Holme Pedersen et al.
patent: 410050390 (1998-02-01), None

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