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    • 2. 发明授权
    • LED based illumination system
    • US11943849B2
    • 2024-03-26
    • US17629980
    • 2020-07-29
    • eldoLAB Holding B.V.
    • Marc SaesTijs Versteegde
    • H05B45/30H05B47/175
    • H05B45/30H05B47/175
    • A method of initializing an LED driver to power an LED light engine comprising one or more LEDs is disclosed, the method comprising:



      connecting a control terminal of the LED driver to a control terminal of the LED light engine;
      determining whether the control terminal of the LED light engine is a communication terminal by outputting a communication signal from the control terminal of the LED driver to the control terminal of the LED light engine;
      establishing that the control terminal of the LED light engine is a communication terminal if a reply communication signal to the communication signal is received within a predetermined period;
      if the control terminal of the LED light engine is a communication terminal, perform an initialisation of the LED driver by exchanging configuration data between the LED driver and the LED light engine;
      if the control terminal of the LED light engine is not a communication terminal, determining an impedance value observed at the control terminal of the LED light engine and performing an initialisation of the LED driver based on the impedance value.
    • 5. 发明申请
    • LED BASED ILLUMINATION SYSTEM
    • US20220256667A1
    • 2022-08-11
    • US17629980
    • 2020-07-29
    • eldoLAB Holding B.V.
    • Marc SAESTijs VERSTEEGDE
    • H05B45/30H05B47/175
    • A method of initializing an LED driver to power an LED light engine comprising one or more LEDs is disclosed, the method comprising: connecting a control terminal of the LED driver to a control terminal of the LED light engine; determining whether the control terminal of the LED light engine is a communication terminal by outputting a communication signal from the control terminal of the LED driver to the control terminal of the LED light engine; establishing that the control terminal of the LED light engine is a communication terminal if a reply communication signal to the communication signal is received within a predetermined period; if the control terminal of the LED light engine is a communication terminal, perform an initialisation of the LED driver by exchanging configuration data between the LED driver and the LED light engine; if the control terminal of the LED light engine is not a communication terminal, determining an impedance value observed at the control terminal of the LED light engine and performing an initialisation of the LED driver based on the impedance value.
    • 7. 发明授权
    • Digital communication system and a method of transferring power and data between circuits of the system
    • US11163347B2
    • 2021-11-02
    • US16640555
    • 2018-08-29
    • EldoLAB Holding B.V.
    • Marc Saes
    • G06F1/26G06F13/20G06F13/40H02J7/34
    • A method of transferring power and data between a first circuit and a second circuit is described, whereby the second circuit comprises a processing unit having an I/O terminal and an electric energy storage element, the electric energy storage element being configured to be charged by the first circuit via the I/O terminal and configured to power the processing unit, the method comprising: establishing a wired communication link between an I/O terminal of the first circuit and the I/O terminal of the second circuit; operating the I/O terminal of the second circuit as an output terminal and the I/O terminal of the first circuit as an input terminal; transmitting data via the I/O terminal of the second circuit to the I/O terminal of the first circuit by modulating an output level of the I/O terminal of the second circuit between a high level and a low level; determining whether the output level of the I/O terminal of the second circuit corresponds to the high level or the low level and, when the output level corresponds to the high level: operating the I/O terminal of the first circuit as an output terminal; and raising an output level of the I/O terminal of the first circuit to a level that is at least equal to the high level during at least part of a period when the output level of the I/O terminal of the second circuit corresponds to the high level, thereby charging the electric energy storage element.
    • 8. 发明申请
    • CONTROL CIRCUITS AND METHODS FOR DRIVING AT LEAST ONE LED GROUP
    • US20210259079A1
    • 2021-08-19
    • US17253429
    • 2019-07-08
    • Eldolab Holding B.V.
    • Marc SAES
    • H05B45/48H05B45/3725
    • According to a first aspect of the invention, a control circuit and method are provided for a controlled start-up of N LED groups, wherein the control circuit comprises a LED switching element and a chargeable element in parallel with each LED group, and a low-power source, and wherein the method comprises a step of prior to supplying power to the LED groups, setting the LED switching elements in a second state which corresponds with the LED group being off, by charging the chargeable elements with the low-power source.
      According to a second aspect a control circuit and method are provided for controlling X LED groups, wherein the control circuit comprises a LED switching element and a chargeable element in parallel with each LED group, wherein the top of a lower chargeable element is connected via a diode with the top of a higher chargeable element.
      According to a third aspect of the invention, a control circuit and method are provided for controlling M LED groups, wherein the control circuit comprises a LED switching element and a chargeable element in parallel with each LED group, and a switch, wherein the switch has a lighting mode wherein current flows through the LED groups or the corresponding LED switching elements, and a charging mode wherein current flows to the chargeable elements, thereby charging the chargeable elements.