Indicating apparatus

Details Indicating apparatus Indicating apparatus

1988-06-27

1990-12-04

Lazarus, Ira S.

Illumination

Illuminated scale or dial

362 26, 362 28, 362326, G01D 1128

Patent

active

049758071

ABSTRACT:
The present invention relates to an indicating apparatus which has light-refractive sections comprising concave and convex sections that are formed of ultraviolet-cured resin having light transmission properties and are disposed on a back surface of an indicating plate and adjacent an illuminating light source, is easy to manufacture, and, furthermore, is capable of obtaining the same three-dimensional illumination effect as those processed into a form of lens.

REFERENCES:
patent: 2664848 (1954-01-01), Nauth
patent: 3017609 (1962-01-01), Ritchie
patent: 4268615 (1981-05-01), Yonezawa
patent: 4310871 (1982-01-01), Adachi
patent: 4323951 (1982-04-01), Pasco
patent: 4447860 (1984-05-01), Stone et al.
patent: 4765701 (1988-08-01), Cheslak
European Search Report, The Hague, 08-12-89.

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