Self-luminescent pointer device for a gauge

Details Self-luminescent pointer device for a gauge Self-luminescent pointer device for a gauge

1990-10-01

1991-09-17

Husar, Stephen F.

Illumination

Illuminated scale or dial

116288, 362220, 362263, G01D 1128

Patent

active

050500457

ABSTRACT:
A self-luminescent pointer device for a gauge has the pointer which is fitted on a pointer shaft and includes an elongated discharge tube. A constricted portion is formed on a part of an outer surface of its elongated hollow rod bulb of the discharge tube. An interior electrode is provided at the end of the bulb and an exterior electrode is provided on the outer surface of the bulb in its axial direction. The constricted portion of the bulb is engaged with a cut-away portion of a holding plate so that the discharge tube is positioned and fixed in its longitudinal direction. Electric power is supplied to the interior electrode and the exterior electrode of the discharge tube through each power supply terminal.

REFERENCES:
patent: 3219008 (1965-11-01), Harris et al.
patent: 4163428 (1979-08-01), Ishikawa
patent: 4252078 (1981-02-01), Fukasawa et al.

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