Illumination – Supported by vehicle structure – Condition responsive
Patent
1987-08-18
1989-05-02
Davie, James W.
Illumination
Supported by vehicle structure
Condition responsive
362 32, G02B 600
Patent
active
048262730
ABSTRACT:
A light pipe including a light diverting section, in which light flowing through the light pipe in a longitudinal direction is diverted at least generally radially out from the light pipe or, alternatively, the light diverting section can be used as a receiver (rather than a transmitter) to collect light rays from light emanating around the device and divert them for passage down through the light pipe. An automotive application of the former, transmitter mode is serving as a visula indicator from a remote location in which the surface end of the light pipe is not clearly visible, such as for example on a "black box" located under a vehicle seat. An automotive application of the latter, receiver mode is as a light collector to receive or accept infrared rays from any compass position and from a range of vertical positions and direct them to a receptor, as part of an infrared personal entry system into the vehicle. The light diverting section includes a centrally located reflective surface on its side distal to the light pipe section which is conical (FIGS. 4 and 5) or concavely curved (FIGS. 1 and 2), the latter causing vertical as well as radial dispersion.
REFERENCES:
patent: 3439157 (1969-04-01), Myles
patent: 4084215 (1978-04-01), Willenbrock
patent: 4379613 (1983-04-01), Coburn
patent: 4585298 (1986-04-01), Mori
Markovich, "New! Piped-In Dash Lighting", Mechanix Illustrated, vol. 62, No. 461, Oct. 1966, pp. 92-93 and 152.
Edmund Scientific Co., "Explore New Fiber Optic Design Concepts", Cataloge 701, Sep. 1969, p. 12.
Tinder David V.
Wodnicki Glen G.
Davie James W.
United Technologies Automotive Inc.
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