Self-illuminated tell-tale

Details Self-illuminated tell-tale Self-illuminated tell-tale

1994-05-13

1995-12-19

Husar, Stephen F.

Illumination

Revolving

362 61, 362800, 7317006, F21V 704

Patent

active

054774241

ABSTRACT:
A tell-tale construction includes an optical fiber ribbon that emits light along its length to make the tell-tale visible at night. The optical fiber ribbon is housed between a pair of plastic strips having the size, flexibility, and weight of a conventional tell-tale, and the plastic strips are transparent or translucent so that the light emitted from the ribbon is visible through the plastic. In a preferred embodiment, a light emitting diode is modified by forming a slot in its leading end so that a first end of the optical fiber ribbon is insertable into the slot, in alignment with the light-emitting anode of the LED. In other embodiments, a central light source is employed and optical fibers deliver light to each tell-tale to eliminate the need for a light source associated with each tell-tale.

REFERENCES:
patent: 3789793 (1974-02-01), Keim
patent: 3799106 (1974-03-01), Lamport
patent: 4522069 (1985-06-01), Birnbaum

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