Optical signalling device of the luminous tube type

Details Optical signalling device of the luminous tube type Optical signalling device of the luminous tube type

1989-02-21

1990-06-05

Orsino, Joseph A.

Communications: electrical

Systems

Signal light systems

34081515, 362263, 315241S, G08B 500

Patent

active

049317660

ABSTRACT:
An optical signalling device has a partially transparent envelope (2), a substantially U-shaped luminous tube (10) containing a gaseous atmosphere being placed within the envelope and supplied by a capacitor (C) which is charged and discharged by electric circuits placed on a printed circuit card (17).
Within an insulating casing (4) having an end-wall (13) and side walls (14, 15), there is placed and maintained a printed circuit card (17) which carries conductive tracks (38, 39) soldered directly to the supply terminals (36, 37) of the gas tube (10). The gas tube is placed in a plane substantially parallel to a longitudinal axis of the casing and has two portions (32a, 33a) adjacent to the ends of its parallel arms (32, 33) which are securely clamped between two resilient lips (44) forming part of the end-wall (13) through which they pass. The bent region (35) of the tube extends externally of the end-wall and is protected by a transparent cover (5) of the envelope (2).

REFERENCES:
patent: 2731577 (1956-01-01), Floyd
patent: 3668611 (1972-06-01), Schwartz
patent: 3673462 (1972-06-01), Girard
patent: 4142179 (1979-02-01), Lowndes
patent: 4346329 (1982-08-01), Schmidt
patent: 4429348 (1984-01-01), Dean
Electronics Australia, vol. 33, No. 5, Aug. 1971, pp. 56-57, 59, 61, Hughes, 6, "A High Efficiency Flasher".

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