| http://www.w3.org/ns/prov#value | - The apparatus according to claim 101, wherein the modes of said dual mode image pick up device are a black and white mode for generating a black and white video signals and an IR mode for generating black and white signals of an IR illuminated scene and wherein said dual mode image pick up device changes the mode thereof from the black and white mode to the infrared mode by a removal of an optical
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