Patent · US Active

Lighting system and method for improving the alertness of a person

US10226593B2 · kind B2 · utility

1Cited by

2References

13Claims

0Family size

Assignee

PHILIPS LIGHTING HOLDING B.V. · NL

Inventors

Matthias Wendt · Neu-Anspach, DE
Harald Josef Günther Radermacher · Aachen, DE
Bozena Erdmann · Aachen, DE
Oscar Garcia Morchon · Aachen, DE

Key dates

Filing date	Mar 31, 2016
Grant date	Mar 12, 2019
Priority date	—
Expiry date	Mar 31, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B20/40
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A lighting system for improving the alertness of a person comprising: one or more light sources (101) arranged to emit light into an environment, at least one of the one or more light sources being arranged with a primary function comprising providing illumination into the environment; and a controller (103) configured to cause at least one of the at least one light sources to provide a secondary function of emitting at least a first light pulse (503) having a duration of between 1 ms and 50 ms, wherein there is an idle period (505) lasting at least 0.1 s on either side of the first light pulse.

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