Device for signal transmission by means of optical conductors

Details Device for signal transmission by means of optical conductors Device for signal transmission by means of optical conductors

1976-03-08

1977-08-02

Corbin, John K.

350 96R, G02B 516

Patent

active

040392503

ABSTRACT:
A device for the transmission of light by optical conductors which are arranged in a plurality of bundles that extend between a display surface and a source of illumination and which are gathered together into a strand of conductors at either the display surface or source of illumination characterized by a coupling device, which may be separate or integral with the strand of gathered conductors, disposed at the strand to obtain substantially equal distribution of the intensity of light leaving the conductors. The coupling device comprises a plurality of light conducting elements which are arranged in conductor bundles at the one end and in the strand of conductors at the other end and which elements at a point spaced from one end are spread into a substantially flat band or layer of elements which is subsequently spirally wound around a common axis extending parallel to optical conductors so that the conducting elements of each of the bundles are substantially uniformly distributed across the area of the opposite end of the coupling means. The conducting elements during the method of forming the coupling means may be held in their spread position by a carrier element or layer which carrier element subsequent to winding may be retained or removed as desired. If the carrier element is to be removed, an additional securing means may be added adjacent the end of the wound layer of conductor elements prior to removing the carrier element.

REFERENCES:
patent: 3481195 (1969-12-01), Hendrickson et al.
patent: 3825336 (1974-07-01), Reynolds
Graff et al., "Large Area Probe," IBM Tech. Sisc. Bullet., vol. 18, No. 1, June 1975, pp. 189-190.

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