摘要:
The invention relates to control system configured for controlling at least one controllable device. The device has been assigned a corresponding identifier and is configured for transmitting an identification signal comprising the identifier of the device. The control system comprises a display for displaying a control item configured for controlling the controllable device. The control system also comprises a receiver configured for wirelessly receiving the identification signal comprising the identifier. The control system is configured for assigning a position of the control item on the display to the device identified by means of said received identifier.
摘要:
A controller for a lighting arrangement is provided, comprising a detector unit having a field of view and a pointing direction. The controller furthermore includes an interface unit for interfacing with the lighting arrangement, and a processing unit connected to the detector unit and the interface unit. The detector unit is arranged to provide detection data including parameters related to one or more identifiable beacons within the field of view of the detector unit. The processing unit is arranged to associate the detection data with a set of lighting parameters for the lighting arrangement and to control the lighting arrangement via the interface unit in accordance with the set of lighting parameters. Also a method of controlling alighting arrangement is provided.
摘要:
The present invention relates to a method for selecting at least one of a plurality of controllable devices (121-123), wherein each of the controllable devices (121-123) is adapted to transmit a distinguishable signal. The method comprising the steps of receiving (301) the signals from the plurality of controllable devices by means of a plurality of receiver modules comprised in a control device (110), wherein each receiver module separately detects a contribution of the signals; determining (302), using a correlation between the different signal contributions, a width and an angle of incidence for each of the signals; comparing (303-304) the width and the angle of incidence for each of the signals with a set of predetermined criteria; and selecting (305) at least one of the plurality of controllable devices best matching the set of predetermined criteria.
摘要:
There is provided a light detection system which is capable of determining in light embedded codes by detecting light in a scene which is illuminated by an illumination system (110) comprising one or more light sources (111,112,113) each providing a light contribution (I111, I112, I113) comprising an embedded code (ID#1, ID#2, ID#3) emitted as a temporal sequence of modulations in a characteristics of the light emitted. The light detection system comprises light detection means (220), which are arranged for acquiring at least one image of the scene, where the image is acquired a plurality of temporal shifted line instances. Each line of the acquired image comprises an instance of the temporal sequence of modulations of the first embedded code. The light detection system further comprises means (230) for determining embedded codes from the spatial pattern of modulations.
摘要:
A location commissioning method for a lighting system, having several lighting arrangements, includes selecting an illuminated position, assigning the position a position id, measuring light at the position, deriving light data associated with each lighting arrangement from the measured light, associating the light data with the position id, determining light transfer data from the light data and current drive data for the lighting arrangements, and storing in a light effect setting array for the position id. A light effect setting method includes requesting a selected light effect at a selected position, receiving a position id and a target light effect setting associated with the position, deriving the associated initial light effect setting array, for example by retrieving a stored one, determining the drive data for obtaining the target light effect setting, via the light transfer data in the array.
摘要:
The invention relates to a detection system for determining data embedded into the light output of a light source in a form of a repeating sequence of N symbols. The detection system includes a camera and a processing unit. The camera is configured to acquire a series of images of the scene via specific open/closure patterns of the shutter. The processing unit is configured to process the acquired series of images to determine the repeating sequence of N symbols. By carefully triggering when a shutter of the camera is open to capture the different symbols of the encoded light within each frame time of a camera, a conventional camera with a relatively long frame time may be employed. Therefore, the techniques presented herein are suitable for detecting the invisible “high frequency” coded light while using less expensive cameras as those used in the prior art.
摘要:
The present invention relates to a method for selecting at least one of a plurality of controllable devices (121-123), wherein each of the controllable devices (121-123) is adapted to transmit a distinguishable signal. The method comprising the steps of receiving (301) the signals from the plurality of controllable devices by means of a plurality of receiver modules comprised in a control device (110), wherein each receiver module separately detects a contribution of the signals; determining (302), using a correlation between the different signal contributions, a width and an angle of incidence for each of the signals; comparing (303-304) the width and the angle of incidence for each of the signals with a set of predetermined criteria; and selecting (305) at least one of the plurality of controllable devices best matching the set of predetermined criteria.
摘要:
This invention relates to a color controlled light source comprising a plurality of colored light elements, and a plurality of (filtered) photo detectors, having different spectral characteristics covering all or most of the total spectrum of the light elements. The (filtered) photo detectors detect the light output of the light source, and generate corresponding detection signals. The light source further has a color control unit for generating driving signals to the light elements on the basis of the detection signals and a predetermined target color point of the light output of the light source, and a modulator for individual signature modulation of the driving signal to each one of said light elements. A corresponding demodulator is provided for demodulation of the detection signals and extraction, from each detection signal, of actual values of the light outputs of the light elements. The color control unit has means for determining the spectral output of each light element on basis of the actual values, means for determining an actual color point from said spectral outputs of all light elements, and means for comparing said target color point with said actual color point and, if there is a difference, adjusting said driving signals in order to minimize the difference.
摘要:
This invention relates to a method for controlling a light output signal emitted by a set of light sources comprising at least one light source, wherein said light output signal comprises a modulation signal which carries individual information, the method comprising recurrently: remotely detecting the light output signal of said set of light sources; determining at least one quality measure of said remote detection of the light output signal; and adjusting the modulation signal on basis of said at least one quality measure.
摘要:
Coded light has been proposed to enable advanced control of light sources and transmit information using light sources. It is based on invisibly embedding of data and identifiers in their light output. Methods, devices and systems configured to efficient assignment of addresses in a coded lighting system, still allowing for unique identification, are proposed. More specifically, the assignment of addresses occurs in two phases, where in the initial phase wide area unique addresses are used, while in the second phase only local area unique addresses are used. Also, methods, devices and systems configured to efficiently distribute a set of addresses over a set of light sources in this second phase, to maximize the performance of the illumination contribution estimation, and positioning, are disclosed.