Patent ID: 9399425
Filing Date: 2016-07-26
CPC Classification: B60Q,F21L,F21V,F21Y,H05B,Y02B

Claim Text:
1. A headlamp to be carried on a user's head and allowing hand-free lighting for such user, said headlamp comprising: a light source having one or more LED-type diodes; a power unit for supplying electric power to said light source, said power unit being controlled by a control information or a control signal; a control unit for controlling the light generated by said light source; wherein said control unit comprises an image sensor included in said headlamp and aligned with the axis of said LEDs, said image sensor generating at least one image of the area illuminated by said light source and means for processing said image in order to generate said control information or said control signal, wherein said processing means determines a specific control area (SCA) within said image, and being subject to image processing by an image processor; and said image processor calculating the average brightness of the pixels of said image or a specific control area of said image; wherein said image processor compares the result of said calculation with a predetermined threshold; and said image processor generates a control information or a control signal for increasing the light intensity of the LED when said result is less than the predetermined threshold; said image processor generates a control information or a control signal for reducing the light intensity of the LED when said result exceeds the predetermined threshold.