Image guide

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1985-07-19

1987-03-03

Sikes, William L.

350 9626, 350 9634, G02B 606

Patent

active

046471537

ABSTRACT:
The invention relates to improvements in an image guide using optical silica glass fibers. The improved image guide has a light shielding and light absorbing thin layer formed on the periphery of an optical fiber bundle consisting of a multiplicity of optical fibers to prevent incidence of external light from the peripheral surface of the bundle and to absorb and remove any scattered light as it is transmitted to parts other than the core of each optical fiber, thereby providing improved picture quality.

REFERENCES:
patent: 3699950 (1972-10-01), Humphrey et al.
patent: 4153333 (1979-05-01), Harada et al.
patent: 4306767 (1981-12-01), Kawachi et al.
patent: 4334733 (1982-06-01), Takeshima et al.
patent: 4360372 (1982-11-01), Maciejko

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