Indicator illuminated with electroluminescent lighting

Details Indicator illuminated with electroluminescent lighting Indicator illuminated with electroluminescent lighting

1984-09-04

1985-12-17

Feinberg, Craig R.

Illumination

Illuminated scale or dial

362 26, 362 30, 362 84, G01D 1128

Patent

active

045595828

ABSTRACT:
A moveable pointer (15) on an indicator (11) is illuminated by use of at least one electroluminescent strip (21) which is mounted separately from the pointer (15). The pointer (15) is able to conduct light internally in such a way that light transmitted to one portion (23) of the pointer (15) illuminates another portion of the pointer (25). The electroluminescent strip (21) forms a light source for the pointer (15) so that the strip (21) may be mounted adjacent the pointer's hub (23) in order to provide the necessary illumination. This arrangement permits an indicator (11) to be illuminated with electroluminescent lighting in order that passive vision aids, such as night vision goggles, may be used, while providing sufficient illumination for the indicator's dial pointer (15).

REFERENCES:
patent: 2259910 (1941-10-01), Rylsky
patent: 2287605 (1942-06-01), Dickson et al.
patent: 2837052 (1958-06-01), Viret
patent: 2858632 (1958-11-01), Caserio et al.
patent: 2872567 (1959-02-01), Strange
patent: 2945145 (1960-07-01), Neugass
patent: 3027668 (1958-09-01), Hardesty
patent: 4218726 (1980-08-01), Fukasawa et al.
patent: 4258643 (1981-03-01), Ishikawa et al.
patent: 4297681 (1981-10-01), Dircksen
patent: 4380043 (1983-04-01), Takamatsu et al.

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