Patent ID: 6593701
Filing Date: 2003-07-15
Classification: H05B,Y02B

Abstract:
A decorative lamp comprising a casing, a control circuit and a light source where the casing has a pervious to light plate to mount the control circuit and light source with the light source facing the pervious to light plate, wherein the control circuit comprises:a power unit having at least one solar battery and at least one rechargeable battery, wherein the power unit converts solar energy to a charge current to charge the rechargeable battery; a light detecting unit connected to the power unit to detect changes in ambient light around the casing, wherein the light detecting unit outputs a different voltage depending on the intensity of the ambient light; and a signal amplifier unit having an input terminal and an output terminal connected through to an electronic switch to light source, wherein the signal amplifier controls the electronic switch to turn on or turn off the light source.