CCD video scope with illumination to the object

Details CCD video scope with illumination to the object CCD video scope with illumination to the object

1995-09-13

1997-11-18

Bovernick, Rodney B.

Optical waveguides

Optical fiber bundle

Imaging

385116, G02B 606

Patent

active

056896026

ABSTRACT:
A CCD video scope is mounted in a camera head and has an image capture optical system defining an optical axis, and a half mirror with a light source offset from the optical axis and facing the half mirror, which coaxially defracts illumination light in relation to the optical axis. The resultant optical image is incident on a CCD element also lying on the optical axis. Bundled fibers are mounted between the light source and the half mirror, and have a diameter of less than 250.mu. and a length of 10 times or more the diameter. The light source has a light focusing lens with an exit angle equal to or less than the maximum light incident angle of the optical fiber elements.

REFERENCES:
patent: 4234910 (1980-11-01), Price
patent: 4930851 (1990-06-01), Yamamoto
patent: 4974094 (1990-11-01), Morito
patent: 5000533 (1991-03-01), Gerwers
patent: 5127078 (1992-06-01), Terry et al.
patent: 5394499 (1995-02-01), Ono et al.
patent: 5491766 (1996-02-01), Huynh et al.

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