Patent · US Active

Signal column

US9863611B2 · kind B2 · utility

5Cited by

20References

10Claims

0Family size

Assignee

BALLUFF GMBH · DE

Inventors

Juergen Gutekunst · Leverkusen, DE
Viktor Virág · Kyoto, JP
Kristof SIMON · Oroszlány, HU
Henrik RUF · Bad Liebenzell, DE

Key dates

Filing date	Nov 25, 2013
Grant date	Jan 9, 2018
Priority date	—
Expiry date	Nov 25, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A signal column includes a rod-shaped, transparent housing, inside of which a rod-shaped signal generator is arranged. At least one light distribution element is arranged in the housing between the signal generator and the transparent housing, wherein the light distribution element directs light evenly from light sources of the signal generator to the housing wall.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.