Patent ID: 6404079
Filing Date: 2002-06-11
Classification: F21V,H05B,Y02B

Abstract:
A multi-purpose control device comprising:a remote controller to emit a remote control signal, and comprising a processor, a modulation circuit, an infrared emitter and a display that is connected to the output terminal of the processor of the remote controller, wherein first, second, third, fourth and fifth input ports of the processor of the remote controller are respectively connected to â€œONâ€ , â€œOFFâ€ , â€œAUTOâ€ , â€œTIMEâ€  and â€œLUXâ€  buttons provided in the remote controller; a detecting body comprising: a remote control detecting device comprising a remote control signal receiver for receiving said remote control signal from said remote controller, an amplifying circuit for amplifying said received remote control signal and a first decoder for decoding said amplified remote control signal, wherein the output terminal of said first decoder is connected to a buzzer to generate a sound that can be heard by the user to confirm the emitted signal having been received; a human body sensing device for sensing a human body entering a passive infrared sensing region near an entry way said human body sensing device comprising a passive infrared sensor, an amplifying circuit and a determining circuit for correction: a processor having two input ports, one connected to said remote control detecting device and the other connected to said human body sensing device, respectively. an encoder; an emission circuit for emitting an infrared signal; and a receiver connected to a light source to receive said infrared signal emitted from said detecting body and comprising a receiving circuit, a wireless amplifying circuit, a second decoder and a relay, said relay being connected to the light source to control the light source, said detecting body being positioned at said entry way to form said sensing region and to sense a human body entering said sensing region, whereby said detecting body emits said infrared signal to said receiver to actuate said light source; a time-and-lux setting circuit, wherein said time-an-lux setting circuit is used to control the duration that said light source is turned on and the brightness level in the indoor area that said human body sensing device needs to function, said time-and-lux setting circuit comprising a first comparator, a second comparator, an optical device and a capacitor, wherein the negative input terminal of said first comparator is connected to an output terminal of said encoder, the positive input terminal of said first comparator is connected to said processor and said optical device, the positive input terminal of said second comparator is connected to the output terminal of said first comparator, said capacitor and an output pin of said processor, and the-output terminal of said second comparator is connected to said processor.