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US 2004/0104387 A1Published application
Image pick-up unit including an image pick-up device and optical filter layers
AssigneePENTAX Corporation
InventorsMakoto Mogamiya, Teruso Sakai
Life of this patent
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Abstract
An image pick-up unit includes an image pick-up device; and a plurality of optical filters which are cemented together in layers and positioned in front of the image pick-up device. At least two optical filters among the plurality of optical filters, which have different optical properties, are different in shape from each other.
Claims18
An image pick-up unit comprising:
- an image pick-up device;
- and
- a plurality of optical filters which are cemented together in layers and positioned in front of said image pick-up device,
- wherein at least two optical filters among said plurality of optical filters, which have different optical properties, are different in shape from each other.
1 more element
An image pick-up unit comprising:
- an image pick-up device;
- and
- a plurality of optical filters which are made of cemented layers of optical material, and positioned immediately in front of said image pick-up device,
- wherein the length and width of at least one optical filter of said plurality of optical filters are different from the length and width of another optical filter of said plurality of optical filters.
1 more element
Dependencies are inferred from the claim text.