Television – Camera – system and detail – Optics
Patent
1992-03-24
1996-10-22
Garber, Wendy
Television
Camera, system and detail
Optics
348360, H04N 5225
Patent
active
055681972
ABSTRACT:
A camera apparatus having photographing lenses and an optical low-pass filter for limiting the image information of predetermined spatial frequency components, the filter being disposed at an arbitrary position on the optical axis of the photographing lenses. One of the sides of the optical low-pass filter is formed as a diffraction grating structure having a low pass effect, and the other side is formed in an aspherical shape.
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Canon Kabushiki Kaisha
Garber Wendy
Ho Tuan V.
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