Image reading device
AssigneeCanon Kabushiki Kaisha
InventorTatsundo Kawai
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Abstract
An image reading device having a translucent substrate and plural photoelectric converting elements arranged thereon, comprises opaque areas formed in the translucent areas of the translucent substrate in the vicinity of the photoelectric converting elements for the purpose of transmitting a uniform amount of light for each photoelectric converting element.
Claims42
An image reading device having a light-transmitting substrate and plural photoelectric converting elements arranged thereon, comprising:
- dummy pattern areas formed in light-transmitting areas of said substrate in the vicinity of said photoelectric converting elements for transmitting a uniform amount of light through said substrate, said dummy pattern areas being formed on at least one of (1) a side portion, and (2) an end portion of said photoelectric elements.
An image reading device having a light-transmitting substrate, a plurality of photoelectric conversion elements provided on said substrate, and a window for transmitting light through the substrate, comprising:
- a dummy pattern area disposed at an end of a column of said photoelectric conversion elements, for transmitting a uniform amount of light through said substrate, said dummy pattern area having a configuration which is similar to at least one of said photoelectric conversion elements.
An image reading device having a light-transmitting substrate, plural photoelectric converting elements arranged thereon, and a window for transmitting light through the substrate, comprising:
- dummy pattern areas formed on an end of a column of said photoelectric converting elements, wherein said dummy pattern area has a configuration similar to at least one of said photoelectric converting elements.
Dependencies are inferred from the claim text.