Zumtobel Lighting Gmbh

Technische Unversität Berlin

Manfred Petschulat

Hartmut S Engel

Gerald Ladstätter

Patrik Gassner

Sebastian Schubnell

Andreas Schwaighofer

Patrick Gassner

Katherina Keller

Bert Junghans

Günther Johler

Thomas Knoop

Thomas Roth

Günter Johler

Melanie Hagenbring

Jens Lohse

Klaus Vambersky

Sandra Beecken

Nils Weber

Martine Knoop

The invention relates to a lighting system for lighting a space (R) which lighting system has means () for producing space illumination over a large area, and means () for producing concentrated local lighting. Furthermore the lighting system has a presence detector () for detecting the presence of at least one person (P) in the space (R) and a control device () for controlling the means () for producing the space illumination and the means () for producing the local lighting. To this end the control device () is configured to control the space illumination over a large area automatically as a function of the daylight or as a function of the daytime and to control the local lighting automatically as a function of the presence of at least one person (P) in the space (R). Because the space illumination is controlled automatically as a function of the daylight or of the daytime, the illumination can be prevented from being reduced so much that a lighting mood is produced which has a negative effect. Nevertheless the lighting system can be controlled advantageously n energy terms, in particular since the local lighting can be controlled as a function of the presence of persons in the space.

Lighting system and method for controlling a lighting system

In an illumination system () having a control unit () and at least one de-central lamp operating device () for operating one or more associated lamps (LA), the lamp operating device () can be operated in different operational modes. In accordance with the invention the central control unit () and the lamp operating device () are so configured that the selection and setting of an operational mode for the lamp operating device () can be carried out from or via the central control unit ().

Illumination system

The invention relates to a lamp (), especially a suspended lamp, comprising a housing () that is provided with a first light emitting area () with a first light influencing element () on one side thereof while being fitted with a second light emitting area () with a second light influencing element () on another side for direct illumination. In order to improve indirect illumination of the lamp, the second light influencing element () can be moved into at least two different positions (S, S, S).

Lamp, especially suspended lamp, comprising a first and a second light emitting area

The present invention relates to a luminaire, which comprises a plate-shaped light guide, and first lamps disposed on one or more narrow sides of the light guide and configured to couple light into the plate-shaped light guide, wherein the light coupled into the light guide is emitted via a flat side of the light guide in a first irradiating direction of the luminaire. Said luminaire is characterized in that the first lamps are formed by a plurality of light-emitting diodes and that the luminaire furthermore comprises second lamps and a reflector arrangement associated therewith, by way of which the light of the second lamps is emitted in a second irradiating direction opposite the first irradiation direction.

Luminaire having separate lamps for direct lighting and indirect lighting

A luminaire having a box-like luminaire housing for receiving at least one elongate light source and at least one reflector surface arranged&#x2014;seen from the region to be illuminated&#x2014;neighboring the light source, the luminaire housing forms a light exit opening which is closed by a light exit element. The light exit element has in a first emission region, located in substance in front of the light source, a first light emission characteristic, and has in a second emission region, separate from the first emission region, a second light emission characteristic different with respect to the first light emission characteristic.

Lamp with a box-like lamp housing element and a light outlet element

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Wolfurt, Austria

Manfred Petschulat