Photosensor
AssigneesNippon Telegraph & Telephone Public Corporation, Hitachi, Ltd.
InventorsHideaki Yamamoto, Toshihisa Tsukada, Eiichi Maruyama, Hiroya Inagaki
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Abstract
A photosensor including a fiber substrate having a light receiving window formed in a surface thereof spaced from an information surface to be read, a bundle of optical fibers disposed in the fiber substrate and positioned in the light receiving window. A plurality of color filters of different characteristics are disposed on an end face of the bundle of optical fibers, and a plurality of arrays of photosensitive elements corresponding to the color filters are also provided. The arrays of photosensitive elements are integrally provided with the fiber substrate and disposed in the region of the end face of the bundle of the optical fibers farthest away from the information surface.
Claims14
A photosensor comprising a fiber substrate having a light-receiving window formed in one surface thereof, the one surface being spaced from an information surface to be read, a bundle of optical fibers being disposed within said substrate and positioned within said light-receiving window, a plurality of color filters of different characteristics being disposed on an end face of said bundle of optical fibers, and a plurality of arrays of photosensitive elements corresponding to said color filters, said arrays of photosensitive elements being integrated onto said fiber substrate and disposed in the region of the end face of said bundle of optical fibers positioned farthest away from the information surface.
Dependencies are inferred from the claim text.