Fiber optic reading magnifiers

Details Fiber optic reading magnifiers Fiber optic reading magnifiers

1996-01-11

1997-02-04

Bovernick, Rodney B.

Optical waveguides

Optical fiber bundle

Imaging

385121, G02B 606

Patent

active

056007515

ABSTRACT:
A reading magnifier formed by a bundle of juxtaposed longitudinally tapered optical fibers having a viewing end and a flat base end. The flat base end is cut at a bias across the bundle of optical fibers such that a line normal to the flat base end forms an acute angle with the direction of orientation of the optical fibers. The viewing end of the bundle may also be cut at an angle relative to the optical fibers. The reading magnifier provides a cone of light admittance that is skewed at an angle relative to a cylinder normal to the flat base end. The tilted admittance cone may also be achieved by bending the bottom portion of a bundle of tapered continuous optical fibers.

REFERENCES:
patent: 3043910 (1962-07-01), Hicks
patent: 3402000 (1968-09-01), Crawford
patent: 3874783 (1975-04-01), Cole
patent: 3941121 (1976-03-01), Olinger et al.
patent: 4099833 (1978-07-01), Tosswill
patent: 5293437 (1994-03-01), Nixon

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