Optical waveguides – Optical fiber bundle – Imaging
Patent
1991-05-10
1992-07-28
Lee, John D.
Optical waveguides
Optical fiber bundle
Imaging
2502081, G02B 604
Patent
active
051346800
ABSTRACT:
A CCD imaging device employing a light-gathering, fiber optic bundle is made to exhibit improved spatial and contrast resolution by shaping the face of the smaller of the two faces of the fiber optic bundle to match the curvature found to be present in commercially available CCD's of a size necessary to achieve the resolution required for radiographic imaging.
REFERENCES:
patent: 3211912 (1965-10-01), Schwarz
patent: 3757127 (1973-09-01), Dhaka
patent: 4707600 (1987-11-01), Nakao et al.
patent: 4763010 (1988-08-01), Fukaya et al.
patent: 4767192 (1988-08-01), Chang et al.
Lee John D.
Ngo John
Photometrics Ltd.
Shapiro Herbert M.
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