INDIKATOR

Indicator for displaying text or symbols on small surfaces readable under very large reading angles from the normal of the displaying surface and during strongly incident light. The indicator comprises a light-impervious casing, at least one incandescent lamp, a transparency and a light conducting i...

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1. Verfasser: WALLIN E O I
Format: Patent
Sprache:swe
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Beschreibung
Zusammenfassung:Indicator for displaying text or symbols on small surfaces readable under very large reading angles from the normal of the displaying surface and during strongly incident light. The indicator comprises a light-impervious casing, at least one incandescent lamp, a transparency and a light conducting insert in the shape of a prism having an exit surface for the light from the incandescent lamp or lamps, said light entering the prism at the side surface or surfaces opposite to the exit surface in direct connection with which the transparency is provided.