Abstract: The present invention relates to a method for charging a battery of a battery powered device. The method comprising: at the battery powered device, detecting that a state of charge of the battery of the battery powered device is below a first threshold; wirelessly transmitting), from the battery powered device, to a control engine, a charging-request signal; instructing, by means of the control engine, a luminaire to expose the battery powered device for light; and charging the battery of the battery powered device by harvesting energy from the light emitted from the luminaire. A battery powered device and a control engine are also disclosed.

Abstract: The present inventive concept relates to a lighting system and a method for updating a database of light sources of a lighting system, each entry of the database correlating a light source ID of a light source of the lighting system with an associated location of the light source.

Abstract: The present invention relates to a control engine configured to control one or more UV-C light sources configured to emit UV-C light in a space. The control engine comprising circuitry configured to execute: a reference image acquiring function configured to construct a reference image using reference radar sensor signals received, at a first time-instance, from a plurality of radar sensors arranged in the space; a probing radar acquiring function configured to construct a probing image using probing radar sensor signals received, at a second time-instance at which the one or more UV-C light sources are inactive, from the plurality of radar sensors, wherein the second time-instance is after the first time-instance; and a control function. The control function is configured to obtain a difference metric between the probing image and the reference image. Upon the difference metric being smaller than a threshold, the control function is configured to activate the one or more UV-C light sources.

Abstract: The present inventive concept relates to an illumination system and a method for controlling an illumination system configured to illuminate a zone, the illumination system being further configured to serve a plurality of individuals.

Abstract: A light control system having a central control engine, at least one light sensor, and at least one light source. The central control engine is configured to receive illumination data from the light sensor. The light data represents an actual light profile. The central control engine is configured to retrieve a target light profile for a user and adjust an illumination of the light control system based on the target light profile for the individual user.

Abstract: The present invention relates to a method for determining a light setting of a light source configured to illuminate an individual, wherein the light setting of the light source includes information about a circadian stimulus and a color temperature of light emitted by the light source.

Abstract: A method for determining a position of each of a plurality of electronic devices belonging to a common system of electronic devices is disclosed. The method comprising, for each of the plurality of electronic devices: detecting presence of a person in a predetermined presence volume associated with the electronic device; in response to detecting presence of a person in the predetermined presence volume, wirelessly transmitting, from the electronic device, an ID-message comprising a device-ID of the electronic device; at a portable electronic device, receiving the ID-message and extracting the device-ID of the electronic device; and mapping a current position of the portable electronic device as a position of the electronic device for which device-ID has been extracted.

Abstract: A lighting system control engine for controlling a light environment at different locations is disclosed. The lighting system control engine comprising circuitry configured to: execute a light profile setting function configured to manipulate a template light profile describing illuminance and spectrum over a time period such that a first manipulated light profile associated with a first location and a second manipulated light profile associated with a second location are formed, said first and second manipulated light profiles are different, and said first and second locations are different; and execute a light source control function configured to, over time, control lighting at the first location in accordance with the first manipulated light profile and to, over time, control lighting the second location in accordance with the second manipulated light profile. Also, a lighting system including the control engine and a method for controlling light environments at different locations are disclosed.

Abstract: The present inventive concept relates to a lighting system and a method for estimating an actual light profile for an individual. The method comprises: exposing the individual to a predetermined light stimuli using a lighting system; sensing a body response of the individual in response to the predetermined light stimuli; and estimating the actual light profile based on the sensed body response of the individual and the predetermined light stimuli.

Abstract: An illumination apparatus is disclosed, comprising: a first light source having a first spectral light distribution with a first light intensity peak about a first peak wavelength, and a second light source having a second spectral light distribution with a second light intensity peak about a second peak wavelength being different from the first peak wavelength, a third light source having a third spectral light distribution with a main light intensity peak about a third peak wavelength being different from the first peak wavelength and from the second peak wavelength, wherein the illumination apparatus is configured to provide adjustment of light intensity of the first light source and of light of the second light source, wherein the illumination apparatus provides an adjustment of light intensity of the third light source to compensate for the adjusting of the relative light intensity between the first light source and the second light source.

Abstract: An illumination apparatus is disclosed, comprising: a first light source having a first spectral light distribution with a first light intensity peak about a first peak wavelength, and a second light source having a second spectral light distribution with a second light intensity peak about a second peak wavelength being different from the first peak wavelength, a third light source having a third spectral light distribution with a main light intensity peak about a third peak wavelength being different from the first peak wavelength and from the second peak wavelength, wherein the illumination apparatus is configured to provide adjustment of light intensity of the first light source and of light of the second light source, wherein the illumination apparatus provides an adjustment of light intensity of the third light source to compensate for the adjusting of the relative light intensity between the first light source and the second light source.

Abstract: An electronic device is disclosed comprising: a frame configured to be worn on a head of a user; a first light emitter mounted on the frame and configured to illuminate a first eye of the user, wherein an intensity and a spectrum of the first light emitter is adjustable; a second light emitter mounted on the frame and configured to illuminate a second eye of the user, wherein an intensity and a spectrum of the second light emitter is adjustable; a clock; a memory configured to store a target light profile comprising time-resolved data on an amount of light to be accumulated over time by the first and/or second eye of the user, wherein the time-resolved data comprises information about spectrum and intensity; and a controller configured to control the intensity and spectrum of the first and second light emitter based on the time and the target light profile.

Abstract: The present invention relates to a light control system and a method for illuminating a space. The light control system comprises a plurality of light sources each configured to emit light within an ultraviolet spectral range, each of the plurality of light sources being configured to illuminate a corresponding sub-portion of a space; a positioning system configured to determine positions (P) of one or more individuals within the space; a density system configured to, based on by the positioning system over time determined positions (P) of the one or more individuals, determine a density distribution of the one or more individuals in the space; and a control engine configured to control the plurality of light sources based on the density distribution such that a sub-portion of the space having a relatively high density is illuminated with light within the ultraviolet spectral range to a relatively higher degree than a sub-portion of the space having a relatively low density.

Abstract: An illumination apparatus is disclosed, comprising: a first light source having a first spectral light distribution with a first light intensity peak about a first peak wavelength, and a second light source having a second spectral light distribution with a second light intensity peak about a second peak wavelength being different from the first peak wavelength, a third light source having a third spectral light distribution with a main light intensity peak about a third peak wavelength being different from the first peak wavelength and from the second peak wavelength, wherein the illumination apparatus is configured to provide adjustment of light intensity of the first light source and of light of the second light source, wherein the illumination apparatus provides an adjustment of light intensity of the third light source to compensate for the adjusting of the relative light intensity between the first light source and the second light source.

Abstract: The present disclosure relates to a light exposure monitoring system that includes a central control server; a plurality of indoor light exposure zones and a positioning system configured to communicate with the central control server to determine: a position (P) of an individual within the plurality of indoor light exposure zones, and a distance between a head of the individual and a floor within the plurality of indoor light exposure zones

Abstract: The present invention relates to a light control system. The light control system comprising: a plurality of light sources each configured to emit light within a predetermined spectral range, each of the plurality of light sources being configured to illuminate a corresponding sub-portion of a space, a sensor configured to within the space, detect a location of a human or an animal; and a control engine configured to control the plurality of light sources based on the detected location of the human or the animal such that a sub-portion of the space in which the human or the animal is not present is exposed to the light within the predetermined spectral range at a predetermined threshold intensity. A method for exposing a sub-portion of a space with light within a predetermined spectral range at a predetermined threshold intensity is also provided.

Abstract: A light control system having a central control engine, at least one light sensor, and at least one light source. The central control engine is configured to receive illumination data from the light sensor. The light data represents an actual light profile. The central control engine is configured to retrieve a target light profile for a user and adjust an illumination of the light control system based on the target light profile for the individual user.

Abstract: The present disclosure relates to a light exposure monitoring system that includes a central control server; a plurality of indoor light exposure zones and a positioning system configured to communicate with the central control server to determine: a position (P) of an individual within the plurality of indoor light exposure zones, and a distance between a head of the individual and a floor within the plurality of indoor light exposure zones

Abstract: The present disclosure relates to a light exposure monitoring system that includes a central control server; a plurality of indoor light exposure zones and a positioning system configured to communicate with the central control server to determine: a position (P) of an individual within the plurality of indoor light exposure zones, and a distance between a head of the individual and a floor within the plurality of indoor light exposure zones.