WO2015051963A1 - Procédé et dispositif de commande du fonctionnement d'au moins une source lumineuse - Google Patents

Procédé et dispositif de commande du fonctionnement d'au moins une source lumineuse Download PDF

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Publication number
WO2015051963A1
WO2015051963A1 PCT/EP2014/069246 EP2014069246W WO2015051963A1 WO 2015051963 A1 WO2015051963 A1 WO 2015051963A1 EP 2014069246 W EP2014069246 W EP 2014069246W WO 2015051963 A1 WO2015051963 A1 WO 2015051963A1
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WO
WIPO (PCT)
Prior art keywords
current flow
light
switching regulator
light source
forward voltage
Prior art date
Application number
PCT/EP2014/069246
Other languages
German (de)
English (en)
Inventor
Erwin Köferl
Tilo HACKE
Original Assignee
Zf Friedrichshafen Ag
Ruling Technologies Sdn. Bhd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zf Friedrichshafen Ag, Ruling Technologies Sdn. Bhd. filed Critical Zf Friedrichshafen Ag
Publication of WO2015051963A1 publication Critical patent/WO2015051963A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light

Definitions

  • the present invention relates to a method for operating at least one light source, to a control device for operating at least one light source and to an input device.
  • Keys of an input device can be lit up.
  • the keys can be illuminated with at least one light source each having a predetermined light emission.
  • EP 1562170 A1 describes a method for setting a display and a display.
  • the present invention provides an improved method for operating at least one light source, an improved control unit for operating at least one light source and an improved input device according to the main claims.
  • Advantageous embodiments will become apparent from the dependent claims and the description below.
  • Light-emitting elements are tested during manufacture by the manufacturer and sorted according to their properties into different classes. Properties can be, for example, criteria such as a light output of the element, a light color of the element, an energy efficiency of the element and / or a color rendering index of the element.
  • the individual classes are characterized by precise characteristics provided by the manufacturer. On the basis of the characteristic curves, it is therefore possible to conclude directly on a light emission of the element based on electrical parameters, such as an electric current flow and an applied electrical voltage.
  • a method for operating at least one light source with at least one light-emitting element comprises a step of providing, a step of measuring, a step of comparing and a step of fitting, wherein the element is adapted to emit a light spectrum when an electrical forward voltage, which is greater than a minimum voltage to which the element is impressed and a resulting current flow flows through the element, wherein in the step of providing electrical energy for the light source is provided by using a switching regulator which imposes an emission-typical forward voltage on the element, wherein in the step of Measuring a current flow caused by the supplied forward voltage through the element is measured, wherein in the step of comparing the current flow is compared with an expected for the light-emitting element spectrum to be emitted by the current flow to obtain a correction quantity and in the step of adjusting, adjusting a duty cycle of a switching cycle of the element using the correction amount to operate the light source with a desired light emission.
  • a light-emitting element may be understood to mean a light-emitting diode, a laser diode or another light-emitting semiconductor component.
  • the light-emitting element may have a very low response delay to an electric current flow.
  • a light spectrum can be a section of an electromagnetic spectrum, in particular in the region of visible light.
  • the light spectrum can be monochrome.
  • the light spectrum can also be polychromatic.
  • a minimum stress can be a kink stress of the element, starting from the a light emission takes place.
  • An emission-type forward voltage may be an electrical voltage predetermined using engineering data of the element at which, based on the specifications, a desired light emission of the element is expected. In particular, the emission-type forward voltage can be determined using at least one known characteristic of the light-emitting element.
  • An expected current flow may be a predetermined electrical current flow using the technical data or the characteristic curve at which the desired light emission of the element is to be expected.
  • a switching cycle may be a pulsed operation of the light source. In particular, the switching cycle may be a pulse width modulation.
  • a duty cycle may be a pulse width of the pulse width modulation.
  • the duty cycle can be increased if the correction quantity represents a lower current flow than the expected current flow.
  • the duty cycle can also be reduced if the correction quantity represents a larger current flow than the expected current flow.
  • a given amount of light of the light source can be adjusted.
  • the element per unit time can have a longer lighting time. As a result, more light can be emitted on average.
  • a smaller duty cycle the element per unit time can have a shorter lighting time. As a result, less light can be emitted on average.
  • the electrical energy may be provided using an adjustable switching regulator.
  • the element is impressed by the switching regulator, a lower forward voltage when the correction quantity represents a greater than a threshold current flow, as the expected current flow.
  • the element can also be impressed with a higher forward voltage by the switching regulator if the correction quantity represents a current flow that is lower by more than the threshold current than the expected current flow. If the measured current flow deviates significantly from the expected current flow, the switching regulator can be tracked.
  • An altered flux voltage also changes the light emission during the current flow. At a higher flux voltage, more current flows through the element and more light is emitted from the element. At a lower flux voltage, less current flows through the element and less light is emitted from the element.
  • the tracking of the switching regulator can be done in predetermined steps. By tracking losses in the circuit can be compensated.
  • the threshold value may be, for example, 15% deviation, in particular 10% deviation, in particular 5% deviation of the actual current flow from the expected current flow.
  • the switching regulator may provide the forward voltage using a command variable.
  • the impressed by the switching regulator on the element flow voltage can be tapped.
  • the forward voltage can be compared to an expected forward voltage to adjust the command.
  • the switching regulator can be energized. As a result, the switching regulator can keep the forward voltage within a narrow tolerance range, even if the switching regulator is loaded unevenly.
  • the reference variable can be directly the forward voltage.
  • a voltage drop across a resistor connected between the switching regulator and the element can be measured to measure the current flow through the element.
  • the ohmic resistor can be used as a shunt to detect the current flow.
  • a voltage drop across a resistor connected between the element and a ground contact may be measured to measure the current flow through the element.
  • the ohmic resistor can be used as a shunt to detect the current flow.
  • the adapted duty cycle can be stored in order to operate the light source for a given period of time constant or to operate with a constant duty cycle.
  • the steps of measuring, comparing and fitting can be repeated after the given period of time.
  • the adjusted duty cycle can be stored in a memory.
  • the memory can be overwritten periodically. Due to a temporarily constant duty cycle and a subsequent check of the condition, a cost for operating the light source can be drastically reduced.
  • the electrical energy may be provided using at least a second switching regulator for at least a second light emitting element of the light source.
  • the second element is designed to a second
  • the second light spectrum is different from the light spectrum.
  • the light spectrum mixes with the second light spectrum to form an overall spectrum of the light source.
  • the second switching regulator can impose on the second element an emission-typical second forward voltage.
  • a second current flow through the second element caused by the provided second forward voltage can be measured.
  • the second current flow may be compared to an expected second current flow to obtain a second correction quantity.
  • a second duty cycle of a second switching cycle of the second element may be adjusted using the second correction quantity to operate the light source with the desired light emission.
  • a desired mixed color can be set very reliably by comparing the actual current flows.
  • a white balance of the light source can be adjusted. For example, by three light-emitting elements in the colors red, green and blue, each color of an RGB color space can be set. Through a warm white emitting element and a cold white emitting element different white tones can be adjusted.
  • the method may include a step of selecting, in which a connection between the switching regulator and the element is made in response to a Seelekt istssignal and a second connection between the second switching regulator and the second element in response to a second selection signal is provided.
  • the duty cycle is adjusted when the switching regulator is connected to the element.
  • the second duty cycle is adjusted when the second switching regulator is connected to the second element.
  • a control device for operating at least one light source with at least one light-emitting element comprises a device for providing, a device for measuring, a device for comparison and a device for adaptation.
  • the element is configured to emit a light spectrum when an electrical forward voltage greater than a minimum voltage is imposed on the device and a resulting current flow flows through the device.
  • the means for providing is configured to provide electrical energy to the light source using a switching regulator configured to impart an emission-typical forward voltage to the element.
  • the measuring device is designed to measure a current flow caused by the supplied forward voltage through the element.
  • the device for comparison is designed to compare the current flow with a current flow expected for the light spectrum to be emitted by the element in order to obtain a correction variable.
  • the means for adjusting is configured to adjust a duty cycle of a switching cycle of the element using the correction amount to operate the light source with a desired light emission.
  • a controller may be an electrical device that processes sensor signals and outputs control signals in response thereto.
  • the device may have one or more suitable interfaces, which may be formed in hardware and / or software.
  • the interfaces can be part of an integrated circuit, for example, in which functions of the control unit are implemented.
  • the interfaces may also be their own integrated circuits or at least partially consist of discrete components.
  • the interfaces may be software modules that For example, on a microcontroller in addition to other software modules are available.
  • the means for providing may be configured to provide electrical energy to the light source using at least a second switching regulator for at least one second light emitting element of the light source.
  • the second switching regulator is designed to impart to the second element an emission-typical second forward voltage.
  • the means for measuring is adapted to measure a second current flow caused by the provided second forward voltage through the second element.
  • the means for comparing is adapted to compare the second current flow with an expected second current flow to obtain a second correction quantity.
  • the means for adjusting is adapted to adapt a second switching cycle of the second element using the second correction quantity.
  • the controller may include means for selecting adapted to provide a connection between the switching regulator and the element in response to a selection signal and a second connection between the second switching regulator and the second element in response to a second selection signal.
  • the means for adjusting may be configured to adjust the duty cycle when the switching regulator is connected to the element and to adjust the second duty cycle when the second switching regulator is connected to the second element.
  • An input device comprises keys that can be illuminated by a respective light source with at least one light-emitting element.
  • the light sources of the keys are connected to a control unit according to the approach presented here and operated by the control unit.
  • Also of advantage is a computer program product with program code which can be stored on a machine-readable carrier such as a semiconductor memory, a hard disk memory or an optical memory and for carrying out the method according to one of the embodiments described above is used when running the program on a computer or device.
  • a machine-readable carrier such as a semiconductor memory, a hard disk memory or an optical memory
  • FIG. 1 is a block diagram of a controller for operating at least one light source according to an embodiment of the present invention
  • FIG. 2 is a circuit diagram of a plurality of light sources configured to operate with a controller according to one embodiment of the present invention
  • FIG. 3 is a flowchart of a method for operating at least one light source according to an embodiment of the present invention.
  • the control unit 100 has a device 104 for providing, a device 106 for measuring, a device 108 for comparison and a device 1 10 for adaptation.
  • the light source 102 has at least one light-emitting element 1 12.
  • the light-emitting element 1 12 is designed to emit a light spectrum when an electrical forward voltage greater than a minimum voltage is impressed on the element 1 12 and a resulting current flow through the element 1 12 flows.
  • the provisioning means 104 is configured to provide electrical energy to the light source 102 using a switching regulator 14.
  • the switching regulator 1 14 is designed to impart to the element 1 12 an emission-typical forward voltage.
  • the establishment Measuring device 106 is designed to measure a current flow caused by the supplied forward voltage through element 1 12.
  • the device 108 for comparison is designed to compare the current flow with a current flow expected for the light spectrum in order to obtain a correction variable.
  • the means 1 10 for matching is configured to adjust a duty cycle of a switching cycle of the element 1 12 using the correction amount to operate the light source 102 with a desired light emission.
  • the means 104 for providing is configured to provide electrical energy to the light source 102 using at least a second switching regulator for at least one second light emitting element of the light source 102.
  • the second switching regulator is designed to impart to the second element an emission-typical second forward voltage.
  • the means 106 for measuring is designed to measure a second current flow caused by the provided second forward voltage through the second element.
  • the means 108 for comparison is configured to compare the second current flow with an expected second current flow in order to obtain a second correction variable.
  • the fitting device 10 is configured to adjust a second switching cycle of the second element using the second correction quantity.
  • the light emitting elements 1 12 of the light source 102 emit light of different colors.
  • the different light colors of the elements 1 12 mix to an emitted mixed color of the light source 102.
  • the individual elements 1 12 are set by the target-actual comparison between the respective expected current flow and the actual current flow very precisely to the desired light emission. Therefore, the mixed color is set exactly to the desired mixed color.
  • the light source 102 may also have more than two light emitting elements 12.
  • the light source 102 has three light-emitting elements 12. By three different light colors results in a color triangle, which covers all mixed colors of the three elements 1 12. The light colors of the three elements 1 12 define the corners of the color triangle. The light source 102 can thus emit any color within the color triangle.
  • the controller 100 includes a means for selecting which is adapted to connect between the switching regulator 14 and the element 12 in response to a selection signal and a second connection between the second switching regulator and the second element in response to a second one To provide selection signal.
  • the means 1 10 for adjusting is adapted to adjust the duty cycle when the switching regulator 1 14 is connected to the element 1 12.
  • the fitting device 10 is adapted to adjust the second duty cycle when the second switching regulator is connected to the second element.
  • the means for selecting enables targeted control of the individual light-emitting elements 1 12.
  • the elements 1 12 of a light source 102 can be operated with different duty cycles.
  • FIG. 2 shows a circuit diagram 200 of a plurality of light sources 102 configured to operate with a controller according to one embodiment of the present invention.
  • the control unit is not shown, but essentially corresponds to the control unit in FIG. 1.
  • the light sources 102 are in this embodiment part of an input device 202. Each one of the light sources 102 is arranged in the region of a button that of the input device 202.
  • the light sources 102 are configured to illuminate the keys.
  • Each of the light sources 102 has a red light-emitting element 12, a green light-emitting element 112, and a blue light-emitting element 112.
  • the elements 1 12 are here light-emitting diodes 1 12 or LEDs 1 12. All red LEDs 1 12 are supplied by a first switching regulator 1 14 with electrical energy. All green LEDs 1 12 are powered by a second switching regulator 1 14 with electrical energy. All blue LEDs 1 12 are supplied by a third switching regulator 1 14 with electrical energy.
  • the switching regulators 1 14 are controlled by a device for providing, as shown for example in Fig. 1.
  • the switching regulator 1 14 each provide one for the LEDs 1 12 emission-typical forward voltage.
  • the light sources 102 are interconnected as a matrix.
  • the light sources 102 are arranged in rows and columns. The rows and columns do not denote a geometric orientation. In one row, a number of light sources 102 are electrically connected in parallel to one another. In one column, a number of light sources 102 are electrically connected in series.
  • the input device 202 has three rows and three columns.
  • the input device 202 has six rows and 21 columns. In this case, both the individual rows may have fewer than 21 light sources 102, and the individual columns may have fewer than six light sources 102.
  • Each line has per color a switch 204 in a line between the switching regulator 1 14 and the LEDs 1 12.
  • the switches 204 are controlled by means for selecting the controller.
  • the switches 204 are designed as transistors 204. Per line so three transistors 204 between the switching regulators 1 14 and the LEDs 1 12 are switched.
  • Each column has for each LED 1 12 depending on a further switch 206 between the LEDs 1 12 and a ground contact.
  • the further switches 206 are controlled by the device for adjusting the control unit.
  • the red LED 1 12, the green LED 1 12 and the blue LED 1 12 of a light source 102 are connected to each other at a common base.
  • the foot points of the light sources 102 of a column are connected to one another and guided via one of the further switches 206 to the ground contact.
  • the further switches 206 are designed as transistors 206.
  • the further switches 206 are designed to convert the duty cycles predetermined by the device for adaptation for the operation of the light-emitting elements 12 of the light sources 102 of a column of the matrix.
  • an ohmic resistance is arranged between the other switches 206 and the ground contact.
  • the current limiting resistors 208 are ohmic resistors.
  • a voltage is tapped analogously to a shunt resistor. Using this voltage, the means for measuring the controller measures an electrical current flow between the switching regulator 14 and the LEDs 12 of the color.
  • the means for measuring detects the voltage drop across the resistive resistors between the light sources and the ground contact to measure the actual current flow.
  • the measurement at the current limiting resistors 208 may then be omitted. It is irrelevant whether the ohmic resistance is arranged before or after the further switch 206.
  • FIG. 2 shows an input device 202 with keys which can be illuminated by a respective light source 102 with at least one light-emitting element 1 12.
  • the input device 202 may be referred to as a control panel 202 or as a keyboard 202.
  • the light sources 102 of the buttons are connected to and operable by a controller according to the approach presented here.
  • FIG. 2 shows an optimized configuration and control of an RBG LED illumination matrix 202.
  • the approach presented here allows a perfect white balance of lighting.
  • the approach presented here adapts a current consumption at maximum brightness to the available energy source.
  • Pixel matching by adapted pulse width modulation produces low losses.
  • the efficiency of LEDs 1 12 increases with a maximum brightness adapted to the available energy source. There is an automatic gray balance by a selection of the LEDs 1 12 and a calibration of each LED. Furthermore, an effort in the production can be reduced.
  • a separate, adjustable switching regulator 1 14 is used as a voltage source, whereby the supplied voltage of the color-typical forward voltage of the LEDs 1 12 is adjusted and the resulting current is set so that with presorted LEDs 1 12 only a minimal energy loss through the Series resistors 208 of the LEDs 1 12 is generated.
  • All LEDs 1 12 a keyboard 202 are pre-sorted and similar in terms of their luminous intensity and wavelength. Different luminous intensities can be used, however, only LEDs 1 12 of a sorting system are to be used in a keyboard 202. To compensate for small differences in the luminosity, each LED 1 12 is checked during the initialization phase completely and quickly and in normal operation in larger time intervals, whether the luminosity corresponds to the expected result in the gray balance. If necessary, the switching regulator 1 14 is readjusted for coarse adjustment. Furthermore, based on the data collected, a field is stored in memory, on the basis of which the PWM control is fine-corrected.
  • the calibration is carried out either via the voltage drop across a common current limiting resistor 208 for all LEDs 1 12 in one row or via the voltage drop across a current limiting resistor 206 common to all LEDs 12 in a column.
  • a current consumption of each LED 1 12 at the respective operating voltage is known.
  • the pulse width modulation ratio and thereby the instantaneous current consumption of each color component is known. Multiplication with the operating voltage results in the power consumption of each color component. This allows a precise utilization of the available power and this results in the maximum possible brightness.
  • the special calibration method presented here allows the use of two adjacent Binnings in the same keyboard 202.
  • LEDs 1 12 in a keyboard 202 are all used by the same or two adjacent Binnings and are therefore similar in terms of luminosity and wavelength. In different keyboards 202 different Binnings are possible. Ensuring this is a production task. This makes it unnecessary to adapt the parts lists. A calibration and white balance in the production is unnecessary.
  • the calibration in a column can be done without a measuring amplifier.
  • the line requires a differential amplifier, but fewer analog-to-digital converters are needed.
  • the method 300 may be performed on a controller as in FIG. 1.
  • the method 300 includes a step 302 of providing, a step 304 of measuring, a step 306 of comparing, and a step 308 of matching.
  • the light source has at least one light-emitting element configured to emit a light spectrum when an electrical forward voltage greater than a minimum voltage is impressed on the element and a resulting current flow flows through the element.
  • electrical energy for the light source is provided using a switching regulator.
  • the switching regulator is designed to impart to the element an emission-typical forward voltage.
  • step 304 of the measurement a current flow caused by the supplied forward voltage is measured by the element.
  • step 306 of the comparison the current flow becomes one for the light spectrum expected current flow compared to obtain a correction quantity.
  • step 308 of fitting a duty cycle of a switching cycle of the element is adjusted using the correction amount to operate the light source with a desired light emission.
  • step 308 of matching the duty cycle is increased when the correction quantity represents a lower current flow than the expected current flow. In one embodiment, in step 308 of matching, the duty cycle is decreased if the correction quantity represents a larger current flow than the expected current flow.
  • the duty cycle represents a ratio between a duty cycle and a turn-off time of the device. As the duty cycle is increased, the duty cycle is increased relative to the turn-off time. As a result, more light is emitted by the element on average.
  • the switch-on duration and the switch-off duration can be absolutely very short in order to outsmart the inertia of the eye.
  • the electrical energy is provided using an adjustable switching regulator.
  • the element is impressed by the switching regulator, a lower forward voltage when the correction quantity represents a greater than a threshold current flow, as the expected current flow.
  • the element is impressed with a larger forward voltage by the switching regulator if the correction quantity represents a current flow that is less than the threshold current flow than the expected current flow. With a larger flux voltage, a larger current flow occurs at the element. This translates more electrical power into light.
  • the forward voltage is provided by the switching regulator using a command variable.
  • the forward voltage imposed on the element by the switching regulator is tapped.
  • the flux voltage is compared with an expected flux voltage to adjust the command. For example, the forward voltage can be directly at the poles of the switching regulator are tapped. As a result, the forward voltage can be kept very constant.
  • a voltage drop across a resistor connected between the switching regulator and the element is measured to measure the current flow through the element.
  • the resistor can be used as a shunt resistor. Only a very low voltage drops via the shunt resistor. As a result, little energy is lost.
  • a voltage drop across a resistor connected between the element and a ground contact is measured to measure the current flow through the element.
  • step 308 of fitting the adjusted duty cycle is deposited to constantly operate the light source for a predetermined period of time.
  • the steps 304, 306, 308 of measuring, comparing and fitting are repeated after the predetermined period of time.
  • the electrical energy is provided using at least one second switching regulator for at least one second light emitting element of the light source.
  • the second element is configured to emit a second spectrum of light when a second electrical forward voltage greater than a minimum voltage is impressed on the second element and a resulting second current flow flows through the second element.
  • the second light spectrum is different from the light spectrum and mixes with the light spectrum to an overall spectrum of the light source.
  • the second switching regulator imposes on the second element an emission-typical second forward voltage.
  • a second current flow caused by the provided second forward voltage is measured by the second element.
  • the second current flow is compared to an expected second current flow to obtain a second correction quantity.
  • step 308 of fitting a second duty cycle of a second switch cycle of the second element using the second correction quantity adapted to operate the light source with the desired light emission.
  • the expected current flow and the at least one further expected current flow represent a deposited light color desired for the light source.
  • the desired light color can be kept safe.
  • the method comprises a step of selecting, in which a connection between the switching regulator and the element is made in response to a selection signal. A second connection between the second switching regulator and the second element is made in response to a second selection signal.
  • the duty cycle is adjusted when the switching regulator is connected to the element.
  • the second duty cycle is adjusted when the second switching regulator is connected to the second element. The selection allows a targeted driving of the light-emitting elements. By selecting different light colors can be set.
  • the light emission of the element may have a different character.
  • the emitted light spectrum may shift.
  • an exemplary embodiment comprises a "and / or" link between a first feature and a second feature, this can be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment, either only the first Feature or only the second feature.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
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Abstract

L'invention concerne un procédé et un dispositif (100) de commande du fonctionnement d'au moins une source lumineuse (102) qui comprend au moins un élément émetteur de lumière (112), caractérisé par un système d'alimentation (104), un système de mesure (106), un système de comparaison (108) et un système d'adaptation (110). L'élément (112) est adapté pour émettre un spectre lumineux lorsqu'une tension électrique directe supérieure à une tension minimum est appliquée à l'élément (112) et que le courant résultant d'écoule dans l'élément (112). Le système d'alimentation (104) est adapté pour fournir de l'énergie électrique à la source lumineuse (102) en utilisant un régulateur à découpage (114) qui est adapté pour appliquer à l'élément (112) une tension directe typique de l'émission. Le système de mesure (106) est adapté pour mesurer un flux de courant, généré par la tension directe fournie, qui s'écoule dans l'élément (112). Le système de comparaison (108) est adapté pour comparer le flux de courant à un flux de courant attendu pour le spectre lumineux que l'élément (112) doit émettre afin d'obtenir une grandeur de correction et le système d'adaptation (110)est adapté pour adapter le rapport cyclique d'un cycle de commutation de l'élément (112) en utilisant la grandeur de correction afin de faire fonctionner la source lumineuse (102) avec une émission de lumière voulue.
PCT/EP2014/069246 2013-10-10 2014-09-10 Procédé et dispositif de commande du fonctionnement d'au moins une source lumineuse WO2015051963A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013220397.7 2013-10-10
DE201310220397 DE102013220397A1 (de) 2013-10-10 2013-10-10 Verfahren und Steuergerät zum Betreiben zumindest einer Lichtquelle

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WO2015051963A1 true WO2015051963A1 (fr) 2015-04-16

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DE (1) DE102013220397A1 (fr)
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CN106054710B (zh) * 2016-06-20 2018-12-04 福州准点信息科技有限公司 饮食店智能化控制系统
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CN105955222B (zh) * 2016-06-20 2018-08-14 福州准点信息科技有限公司 家居远程智能控制系统
CN106094620B (zh) * 2016-06-20 2018-08-17 福州准点信息科技有限公司 远程模拟量采集报警系统
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