Trolley apparatus for transmitting light signals

Details Trolley apparatus for transmitting light signals Trolley apparatus for transmitting light signals

1985-10-04

1987-06-23

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250551, 350 9615, H01J 516, G02B 626

Patent

active

046755217

ABSTRACT:
A transparent optical cable 5 including a flexible core 5a and a flexible but stiffer cladding 5b transmits light signals axially through the core. When a transparent contact plate 7 or roller 10 depresses and flatteningly distorts the cable, the light signals leak out through the core-cladding interface at the depressed portion and are transmitted through the plate or roller to a photoelectric transducer 8 or 12 mounted on the plate or proximate the roller on a movable object 1, which converts the light signals to electrical signals. Signal transmissions into the cable are also possible, and the input-output signal coupling depression may be made at any point along the length of the cable.

REFERENCES:
patent: 428748 (1890-05-01), Fike et al.
patent: 4165913 (1979-08-01), Fitch
patent: 4253727 (1981-03-01), Jeunhomme et al.

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