Light signaling device

Details Light signaling device Light signaling device

2006-12-26

2010-10-19

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

Reexamination Certificate

active

07816843

ABSTRACT:
Luminous signalling device (1) includes one or more light tubes (8) and focusing elements (2, 3, 4, 5, 6, 7) for focusing a light beam, these elements being capable of focusing a light beam coming from the light tube(s), the elements for focusing a light beam comprising several cylindrical lenses (2, 3, 4, 5, 6, 7), each cylindrical lens having a longitudinal axis lying parallel to a straight section (9, 10, 11) of the light tube. The straight sections (9, 10, 11) are oriented in several directions around a predetermined azimuthal axis (A), the number and the orientation of the straight sections being chosen so that the light beams coming from the straight sections and focused by the cylindrical lenses (2, 3, 4, 5, 6, 7) are directed in all azimuthal directions about the azimuthal axis.

REFERENCES:
patent: 2387816 (1945-10-01), Wagner
patent: 5760531 (1998-06-01), Pederson
patent: 42 01 315 (1993-07-01), None
patent: 741 772 (1933-02-01), None
patent: 1 133 999 (1957-04-01), None
patent: 2004/114361 (2004-12-01), None

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