Light fixture with infrared light beam and with visible light beam
First Claim
1. A light fixture comprising:
- at least one visible light source emitting visible light;
at least one infrared (IR) light source emitting infrared light in an infrared spectrum;
an outer housing in which the at least one visible light source and the at least one IR light source are located;
a first projection system configured to collect at least some of the visible light emitted by the at least one visible light source and configured to generate at least one first light beam of the visible light along an optical axis having a first beam characteristic;
a second projection system configured to collect at least some of the infrared light emitted by the at least one IR light source and configured to generate at least one second light beam of the IR light along the optical axis, wherein the second projection system is configured such that, at least outside the outer housing, the second beam characteristic substantially corresponds to the first beam characteristic; and
a control unit configured to determine a control signal to be emitted by the at least one IR light source through the second light beam, the control signal including encoded control information used for controlling a light emission of a light source of a receiving unit receiving the control signal.
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0 Petitions
Accused Products
Abstract
The present invention relates to a light fixture comprising at least one visible light source emitting visible light, at least one IR light source emitting infrared light in an infrared spectrum, an outer housing in which the at least one visible light source and the at least one IR light source is located, a first projection system configured to collect at least some of the visible light and configured to generate at least one first light beam of the visible light along an optical axis having a first beam characteristic, a second projection system configured to collect at least some of the infrared light and configured to generate at least one second light beam of the IR light along the optical axis, wherein the second projection system is configured such that at least outside the outer housing the second beam characteristic substantially corresponds to the first beam characteristic.
15 Citations
18 Claims
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1. A light fixture comprising:
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at least one visible light source emitting visible light; at least one infrared (IR) light source emitting infrared light in an infrared spectrum; an outer housing in which the at least one visible light source and the at least one IR light source are located; a first projection system configured to collect at least some of the visible light emitted by the at least one visible light source and configured to generate at least one first light beam of the visible light along an optical axis having a first beam characteristic; a second projection system configured to collect at least some of the infrared light emitted by the at least one IR light source and configured to generate at least one second light beam of the IR light along the optical axis, wherein the second projection system is configured such that, at least outside the outer housing, the second beam characteristic substantially corresponds to the first beam characteristic; and a control unit configured to determine a control signal to be emitted by the at least one IR light source through the second light beam, the control signal including encoded control information used for controlling a light emission of a light source of a receiving unit receiving the control signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system, comprising:
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a light fixture comprising; at least one visible light source emitting visible light, at least one infrared (IR) light source emitting infrared light in an infrared spectrum, an outer housing in which the at least one visible light source and the at least one IR light source are located, a first projection system configured to collect at least some of the visible light emitted by the at least one visible light source and configured to generate at least one first light beam of the visible light along an optical axis having a first beam characteristic, and a second projection system configured to collect at least some of the infrared light emitted by the at least one IR light source and configured to generate at least one second light beam of the IR light along the optical axis, wherein the second projection system is configured such that, at least outside the outer housing, the second beam characteristic substantially corresponds to the first beam characteristic; and a plurality of response units, wherein each response unit comprises; at least one IR receiver configured to receive the second light beam, and at least one light source emitting light in the visible range, wherein light sources of the plurality of response units that are illuminated by the first and second light beams are controlled in accordance with a control signal encoded in the at least one second light beam.
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16. A light fixture comprising:
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at least one visible light source emitting visible light; at least one infrared (IR) light source emitting infrared light in an infrared spectrum; an outer housing in which the at least one visible light source and the at least one IR light source are located; a first projection system configured to collect at least some of the visible light emitted by the at least one visible light source and configured to generate at least one first light beam of the visible light along an optical axis having a first beam characteristic; a second projection system configured to collect at least some of the infrared light emitted by the at least one IR light source and configured to generate at least one second light beam of the IR light along the optical axis, wherein the second projection system is configured such that, at least outside the outer housing, the second beam characteristic substantially corresponds to the first beam characteristic; and a zoom group configured to change one or more beam characteristics of the first beam and of the second beam, wherein the zoom group is located in a portion of a path of the first and second light beams where the second beam characteristic substantially corresponds to the first beam characteristic.
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17. A light fixture comprising:
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at least one visible light source emitting visible light; at least one infrared (IR) light source emitting infrared light in an infrared spectrum; an outer housing in which the at least one visible light source and the at least one IR light source are located; a first projection system configured to collect at least some of the visible light emitted by the at least one visible light source and configured to generate at least one first light beam of the visible light along an optical axis having a first beam characteristic, wherein the first light projection system comprises at least one first light collecting element configured to collect light from a plurality of visible light sources and to generate a plurality of first light beams; and a second projection system configured to collect at least some of the infrared light emitted by the at least one IR light source and configured to generate at least one second light beam of the IR light along the optical axis, wherein the second projection system is configured such that, at least outside the outer housing, the second beam characteristic substantially corresponds to the first beam characteristic.
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18. A light fixture comprising:
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at least one visible light source emitting visible light; at least one infrared (IR) light source emitting infrared light in an infrared spectrum; an outer housing in which the at least one visible light source and the at least one IR light source are located; a first projection system configured to collect at least some of the visible light emitted by the at least one visible light source and configured to generate at least one first light beam of the visible light along an optical axis having a first beam characteristic; and a second projection system configured to collect at least some of the infrared light emitted by the at least one IR light source and configured to generate at least one second light beam of the IR light along the optical axis, wherein the second projection system is configured such that, at least outside the outer housing, the second beam characteristic substantially corresponds to the first beam characteristic, wherein the second light projection system comprises at least one first light collecting element configured to collect light from a plurality of IR light sources and to generate a plurality of second light beams.
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Specification