WO2021026853A1 - Dispositif de commande de gradation avec circuit de distribution de courant - Google Patents

Dispositif de commande de gradation avec circuit de distribution de courant Download PDF

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Publication number
WO2021026853A1
WO2021026853A1 PCT/CN2019/100702 CN2019100702W WO2021026853A1 WO 2021026853 A1 WO2021026853 A1 WO 2021026853A1 CN 2019100702 W CN2019100702 W CN 2019100702W WO 2021026853 A1 WO2021026853 A1 WO 2021026853A1
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WO
WIPO (PCT)
Prior art keywords
current
dimming controller
drive circuit
dimming
dali
Prior art date
Application number
PCT/CN2019/100702
Other languages
English (en)
Inventor
Tjaco Middel
Zaosheng HU
Original Assignee
Tridonic Gmbh & Co Kg
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 Tridonic Gmbh & Co Kg filed Critical Tridonic Gmbh & Co Kg
Priority to PCT/CN2019/100702 priority Critical patent/WO2021026853A1/fr
Priority to GB2200712.4A priority patent/GB2600304B/en
Publication of WO2021026853A1 publication Critical patent/WO2021026853A1/fr

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    • 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]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/25—Circuit arrangements for protecting against overcurrent

Definitions

  • the present disclosure generally relates to dimming controllers.
  • the present disclosure relates to dimming controllers for use in a digital addressable lighting interface (DALI) system or other lighting control systems with current distribution circuits to eliminate a need for an external power supply.
  • DALI digital addressable lighting interface
  • the drive circuits for driving the light emitting devices are designed to support functions such as voice control, fault protection, dimming, and so on.
  • control methodologies including analogue dimming, digital serial interface (DSI) , digital multiplex signal (DMX) , 0-10V dimming interface, and digital addressable lighting interface (DALI) are commonly used.
  • DALI is a lighting control protocol for digitally addressable control of luminaires in a lighting system (e.g., fluorescent lamps, light emitting diodes (LEDs) , emergency lighting, etc. ) , as well as groups of such devices.
  • DALI has been internationally standardized through the International Electrotechnical Commission (IEC) . The standard defines the communications protocol and electrical interface for DALI compliant devices.
  • IEC International Electrotechnical Commission
  • the use of DALI is particularly common in an environment that requires central control of groups of luminaires, with a user-friendly interface and flexibility for expansion.
  • a DALI compliant lighting system requires not only the luminaires with a digital interface but also an associated bus device and a digitally controlled DALI controller.
  • the DALI controller enables dimming commands to be sent to the DALI circuit to stipulate the dimming requirements.
  • an external power supply should be suitably installed to the DALI system for powering the DALI controller. Without an external power supply, there is no communication as the DALI devices interpret such configuration as a fault condition and go into a fault state.
  • the external power supply is a 9.5-22.5V (typically 16V) DC power supply designed with a current limiting circuit.
  • the DALI controller must operate in conjunction with an external power supply.
  • circuit and installation simplicity are specifically essential.
  • installation simplicity by removing the need for the external power supply is advantageous when users install lighting products.
  • additional wiring due to installing external power supplies makes certification of lighting products more difficult and also increases design and manufacturing costs.
  • the dimming controller can eliminate a need for an external power supply such that no additional wiring is required.
  • a dimming controller for use in a DALI system or other lighting control systems, that can control a drive circuit to generate a first current for driving one or more light emitting devices.
  • the dimming controller comprises an input port for receiving the first current; an output port for supplying a second current to the one or more light emitting devices; a processor configured to communicate with the drive circuit, and to command the drive circuit to generate the first current having a target magnitude of the first current; and a current distribution circuit configured to divide the first current received by the input port into the second current delivered to the output port and a third current delivered to elsewhere in the dimming controller, a first part of the third current being used as a power supply current to power the processor so as to eliminate a need for additionally wiring the dimming controller to an external power supply other than the drive circuit to obtain the power supply current.
  • the current distribution circuit includes a sensing subcircuit for measuring the second current and the third current.
  • the processor is further configured to determine and update the target magnitude of the first current according to magnitudes of the second and third currents as measured by the sensing subcircuit such that the second current delivered to the output port attains a predetermined magnitude intended to drive the one or more light emitting devices.
  • the sensing subcircuit measures the second current and the third current using current detection resistors, an operational amplifier, or a current transformer.
  • the sensing subcircuit further comprises a look-up table.
  • the processor is configured to generate a dimming signal to command the drive circuit to generate the first current.
  • the dimming signal is based on a DALI protocol.
  • a second part of the third current is used as a power supply current to power one or more accessory devices including a DALI sensor, and a second drive circuit.
  • the one or more accessory devices are constant current loads with predetermined current consumptions, for enabling the second part of the third current to be computed by a simple algorithm.
  • the current distribution circuit further comprises a voltage regulator configured to regulate a first voltage received by the input port to a second voltage and to supply the second voltage with the third current to elsewhere in the dimming controller.
  • the current distribution circuit further comprises a protection subcircuit configured to be triggered by an excessive magnitude of the second current or the third current for preventing an electrical failure leading to an overcurrent condition.
  • FIG. 1 depicts a block diagram of a conventional DALI system having a dimming controller.
  • FIG. 2 depicts a block diagram for a DALI system without an external power supply in accordance with an exemplary embodiment of the present disclosure.
  • FIG. 3 depicts a block diagram of the DALI controller in accordance with an exemplary embodiment of the present disclosure.
  • FIG. 4 depicts a block diagram of a DALI system having several DALI devices connected in accordance with an exemplary embodiment of the present disclosure.
  • the present disclosure generally relates to a dimming controller in a lighting system. More specifically, but without limitation, the present disclosure relates to a dimming controller for use in a DALI system or other lighting control systems with a current distribution circuit for driving the light emitting devices and powering the dimming controller and other accessory devices. It is an objective of the present disclosure to eliminate a need for an external power supply such that no additional wiring is required. When applying the present disclosure in a DALI system, it is a further objective to simplify the DALI system and reduce the system cost without sacrificing the compatibility with the DALI standard.
  • FIG. 1 illustrates the components and wirings in a conventional DALI system having a dimming controller 02 and an external power supply 01.
  • the DALI system comprises an LED driver 03, one or more light emitting devices 30, a dimming controller 02, an external power supply 01, and a configurator 04.
  • the dimming controller 02 operates as a master device for controlling the LED driver 03.
  • the dimming controller 02 is a DALI controller operated in accordance with a DALI protocol.
  • Different commands can be sent through a pair of DALI communication lines (DALI OUT) to the LED driver 03 for making changes on the luminance level of the one or more light emitting devices 30 or other configurations.
  • the command can be delivered in the form of a packet, which may include the address, command, and data.
  • the external power supply 01 is an essential device in the DALI system for providing power to the DALI system.
  • an alternating current (AC) power supply provides an AC line voltage at a line frequency of 50Hz or 60Hz to the external power supply 01 for generating a direct current (DC) voltage of 9.5-22.5V (typically 16V) with a current limit of 250mA.
  • the dimming controller 02 needs the external power supply 01 in order to operate.
  • the LED driver 03 is an addressable device, which receives a plurality of signals for driving the one or more light emitting devices 30.
  • an AC line having at least a neutral (N) line and a live (L) line, is provided to the LED driver 03 for supplying power.
  • the dimming controller 02 transmits data over a pair of DALI communication lines to the LED driver 03 for controlling the luminance of the one or more light emitting devices 30.
  • the dimming controller 02 may be connected to a wireless or wired network. This enables the dimming controller 02, and thus the DALI system, to be controllable by a computer device, which may be at a remote location.
  • the configurator 04 in the computer device enables the testing and setting up of the DALI system by parameterizing and configuring the DALI system.
  • Other accessories may be communicable with the DALI system using the DALI communication lines if required.
  • the dimming controller 02 is designed to operate in conjunction with an external power supply 01. In order to simplify the wiring for easier installation and low system cost, it is advantageous to have a DALI system without an external power supply 01.
  • the dimming controller in a DALI system is merely exemplary in nature and is not intended to limit the disclosure or its application and/or uses. It should be appreciated that a vast number of variations exist. The detailed description will enable those of ordinary skill in the art to implement an exemplary embodiment of the present disclosure without undue experimentation, and it is understood that various changes or modifications may be made in the function, system topology, and arrangement of the circuit described in the exemplary embodiment without departing from the scope of the present disclosure as set forth in the appended claims.
  • Coupled or “connected, ” or any variant thereof, covers any coupling or connection, either direct or indirect, between two or more elements, unless otherwise indicated or clearly contradicted by context.
  • luminance when used in reference to a light emitting device is a measurement of the light output of the device.
  • addressable when used in connection with a network with multiple devices coupled together, refers to a device that is configured to receive data intended for multiple devices, including itself, and to selectively respond to particular information intended for it.
  • the lighting system of the present disclosure includes a plurality of addressable devices.
  • the preferred lighting control protocol is DALI, which allows individual control and monitoring of each device in the lighting system. It should be understood that the DALI system may be changed to other lighting control interfaces without departing from the scope and spirit of the present disclosure.
  • each device In a DALI configuration, each device is connected to the two DALI communication lines. In one lighting system compatible with DALI standard, typically a maximum of 64 devices can be connected thereto.
  • FIG. 2 a block diagram for a DALI system without an external power supply in accordance with an exemplary embodiment of the present disclosure is depicted.
  • the DALI system of the present disclosure comprises a drive circuit 10, a dimming controller 20, and one or more light emitting devices 30.
  • the DALI system according to FIG. 2 advantageously does not contain an external power supply or a voltage regulator for generating the required DC voltage of 9.5-22.5V.
  • the corresponding wirings are also not required, which contribute to the simplicity of the DALI system.
  • the drive circuit 10 is configured to generate a first current (I D ) to the dimming controller 20 for driving the one or more light emitting devices 30.
  • the drive circuit 10 can be implemented by integrated circuit (IC) devices, electronic circuits including analog and/or digital electronic components, or a combination thereof.
  • the drive circuit 10 includes a power line input port 10a, a dimming port 10b, and an output port 10c.
  • a power source is connected to the power line input port 10a for providing electric energy thereto.
  • an AC line having at least a neutral (N) line and a live (L) line, is provided to the drive circuit 10.
  • the drive circuit 10 is configured to supply and control the current flowing from the output port 10c with the first current.
  • the driving signal at the output port 10c has a predefined DC voltage.
  • the luminance of the one or more light emitting devices 30 can be changed in response to the magnitude of the current supplied by the drive circuit 10.
  • the drive circuit 10 can alter the magnitude of the first current based on a dimming signal received at the dimming port 10b, wherein the dimming signal is generated by the dimming controller 20 and coupled to the drive circuit 10.
  • the dimming signal is transmitted using two wires, and the polarity of the two wires is not sensitive.
  • the control method may employ dimming protocol or 0-10V dimming interface.
  • the dimming controller 20 provides a low-level current supply to the two wires to provide a passive dimming control.
  • the dimming port 10b receives coded DALI packets from the DALI controller 20 over the 2-wire DALI communication line.
  • the drive circuit 10 When the dimming signal received is set to 0%, the drive circuit 10 is set to generate no output current to the dimming controller 20. If the drive circuit 10 does not support any standby function, the drive circuit 10 and the dimming controller 20 will be shut down. If a standby function is supported, a minimum output voltage (standby voltage) at the output port 10c of the drive circuit 10 is needed. The standby voltage can be less than the minimum output voltage of the output port 10c during normal operation. This standby voltage should be sufficient to power the dimming controller 20 to ensure normal operation of the DALI system.
  • the light emitting device 30 is referred to as any device configured to generate light.
  • the light emitting device 30 is a solid-state device that converts electrical energy to light, such as LED.
  • the light emitting device 30 can be a gas discharge lamp, an incandescent lamp, a lighting panel, a low-voltage halogen lamp, or the like, or any combinations thereof.
  • an accurately controlled second current (I LED ) is supplied thereto for controlling the luminance.
  • the dimming controller 20 advantageously acts as an interface between the drive circuit 10 and the one or more light emitting devices 30, with a function of obtaining electric power directly from the drive circuit 10 without a need for an external power supply.
  • the dimming controller 20 comprises a current distribution circuit 22 and a DALI block 21.
  • the current distribution circuit 22 divides the first current received from the drive circuit 10 into a second current (I LED ) delivered to the one or more light emitting devices 30 and a third current (I CONT ) delivered to elsewhere in the dimming controller 20. At least part of the third current is being used as a power supply current to power the dimming controller 20 to eliminate a need for an external power supply other than the drive circuit 10 to obtain the power supply current.
  • the DALI block 21 enables the dimming controller 20 to be used in the DALI system by supplying power to all connected devices and providing control commands by sending coded DALI packets.
  • the dimming controller 20 is coupled to the dimming port 10b of the drive circuit 10 and further configured to send the dimming signal to the dimming port 10b of the drive circuit 10.
  • the dimming signal is determined according to a target magnitude of the first current such that the second current delivered can attain a predetermined magnitude intended to drive the one or more light emitting devices 30.
  • the dimming controller 20 may be connected to a wired or wireless network, such as a local area network (LAN) or a wide area network (WAN) .
  • a wired or wireless network such as a local area network (LAN) or a wide area network (WAN) .
  • LAN local area network
  • WAN wide area network
  • a network communication module or a wireless communication module may be connected to the DALI communication lines for connecting the DALI system to a router using a network protocol (such as IEEE 802.11, WiFi, Bluetooth, Zigbee) .
  • a network protocol such as IEEE 802.11, WiFi, Bluetooth, Zigbee
  • the dimming controller 20 further comprises an input port 201 and an output port 202.
  • the input port 201 is arranged to receive the first current generated by the drive circuit 10, and the output port 202 is arranged to supply the second current to the one or more light emitting devices 30.
  • the input port 201 is coupled to a current distribution circuit 22 for dividing the first current (I D ) received by the input port 201 into the second current (I LED ) delivered to the output port 202 and the third current (I CONT ) delivered to elsewhere in the dimming controller 20.
  • the third current may be used by the processor 211, other digital circuits in the dimming controller 20, or other accessory devices in the DALI system. Therefore, we can summarize the current relationship with the following equations:
  • a first part of the third current (I 1 ) is used as a power supply current to power the processor 211 and DALI interface 212 to eliminate a need for additionally wiring the dimming controller 20 to an external power supply other than the drive circuit 10 to obtain the power supply current.
  • a second part of the third current (I 2 ) is used as a power supply current to power other DALI devices (not shown in FIG. 3) in the DALI system or accessory devices, such as DALI sensors, push buttons, and control panels.
  • detection of current consumption by the other DALI devices is avoided and therefore not required by considering the second part of the third current (I 2 ) as a constant value based on the number and type of accessory devices connected. Each connected accessory device is assumed to be a constant current load with a predetermined current consumption. Therefore, the second part of the third current (I 2 ) can be computed easier with a simple algorithm.
  • the current distribution circuit 22 further comprises a voltage regulator 221, a sensing subcircuit 222, and a protection subcircuit 223.
  • the working voltage range of the dimming controller 20 is 9.5-22.5V DC. If the output voltage of the drive circuit 10, as received at the input port 201 of the dimming controller 20, is not within the working voltage range, the dimming controller 20 and the corresponding DALI system cannot operate.
  • the voltage regulator 221 may regulate the input voltage (first voltage) at the input port 201 and supply a fixed output voltage (second voltage) , typically 16V, to elsewhere in the dimming controller 20.
  • the voltage regulator 221 may be implemented using a single IC with a circuit of discrete components for setting the regulated voltage, or integrated in and embedded within the processor 211 with a circuit of discrete components.
  • a sensing subcircuit 222 is included to the dimming controller 20 for measuring at least the second current and the third current.
  • the sensing subcircuit 222 may be implemented by shunt measurement of the of the second current and/or the third current, which can be realized by using current detection resistors, an operational amplifier, a current transformer, or other similar electronic devices.
  • the sensing subcircuit 222 is configured to measure the first current and the second current instead, whereas the third current may be computed by the processor 211.
  • the sensing subcircuit 222 may further comprise a look-up table or other active or passive feedback circuit. The third current may be determined with reference to the look-up table without performing shunt measurement.
  • An excessively large magnitude of the second current or the third current as measured by the sensing subcircuit 222 may trigger the protection subcircuit 223, such that an electrical failure leading to an overcurrent condition can be avoided.
  • the protection subcircuit 223 can, therefore, prevent an overcurrent in the one or more light emitting devices 30, the dimming controller 20, or other DALI devices.
  • Other protection mechanisms may be included in the current distribution circuit 22 such as under current protection, mis-wiring protection circuit, and over temperature protection circuit.
  • the processor 211 is configured to determine a target first current magnitude according to the magnitudes of the second and third currents as measured by the sensing subcircuit 222 such that the second current delivered to the output port 202 attains a predetermined magnitude intended to drive the one or more light emitting devices 30.
  • the processor 211 used can be a micro-controller unit (MCU) , a field-programmable gate array (FPGA) , or other programmable environments.
  • the processor 211 can from time to time update the target first current magnitude accordingly and compensate the reduced current due to the third current, then generate a dimming signal to command the drive circuit 10 to generate the first current according to the target first current magnitude.
  • the processor 211 is connected to a DALI interface 212 for generating signals compatible with the DALI standard such that commands can be sent through the pair of DALI communication lines (DALI OUT) .
  • the DALI interface 212 may require a current limiting circuit.
  • the DALI communication lines are arranged in a 2-wire bus for carrying the communication and powering some other DALI devices.
  • the bus wiring can be arranged in a daisy-chain, a star connection, or a combination thereof.
  • the second current should have a magnitude of 30mA.
  • the dimming controller 20 connected between the drive circuit 10 and the one or more light emitting devices 30, if the first current has a magnitude of 30mA, the second current cannot attain a current of 30mA. Assuming that the third current has a magnitude of 10mA, then the second current is only 20mA. In order to make the second current to attain a magnitude of 30mA, the drive circuit 10 should be dimmed at 15%such that the first current has a magnitude of 45mA.
  • the second current can attain a magnitude of 30mA and the one or more light emitting devices 30 can deliver a luminance according to a dimming ratio of 10%.
  • the third current is not having a constant magnitude, and may vary from time to time depending on the DALI devices connected to the DALI system and the power consumption of the dimming controller 20, particularly the voltage regulator 221, the sensing subcircuit 222, and the processor 211.
  • FIG. 4 a block diagram of a DALI system having several DALI devices connected in accordance with an exemplary embodiment of the present disclosure is depicted.
  • Each drive circuit 10 is coupled to a dimming controller 20 for driving the one or more light emitting devices 30. All the dimming controllers 20 are connected together using the DALI communication lines in a daisy-chain arrangement.
  • the DALI communication lines may also connect a network communication module 50, a DALI sensor 60, and other accessory devices 70 to form the DALI system.
  • the other accessory devices 70 may be DALI compatible, including push buttons, control panels, or another drive circuit for driving other light emitting devices.
  • the network communication module 50 is a network device for enabling communication between the DALI system and a router 41 by using a network protocol (such as IEEE 802.11, WiFi, Bluetooth, Zigbee) .
  • a computer device 42 is connected to the router 41 and configured to test and set up of the DALI system by parameterizing and configuring each dimming controller 20.
  • As the drive circuit 10 and the dimming controller 20 can be integrated into an integrated driving device 11 in the form of a functional box, and each of the integrated driving devices 11 is configured to drive one set of output load, which can be the one or more light emitting devices 30. It is apparent that the wirings can be minimized and long wirings of DALI power supply can be eliminated.

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

Abstract

L'invention concerne un dispositif de commande de gradation pour commander un circuit d'attaque pour générer un premier courant pour entraîner un ou plusieurs dispositifs électroluminescents. Le dispositif de commande de gradation comprend un port d'entrée pour recevoir le premier courant ; un port de sortie pour fournir un deuxième courant aux dispositifs électroluminescents ; un processeur configuré pour communiquer avec le circuit d'attaque et pour commander le circuit d'attaque pour générer le premier courant ayant une amplitude cible du premier courant ; et un circuit de distribution de courant configuré pour diviser le premier courant reçu par l'orifice d'entrée entre le deuxième courant délivré au port de sortie et le troisième courant délivré ailleurs dans le dispositif de commande de gradation. Une première partie du troisième courant est utilisée comme courant d'alimentation pour alimenter le processeur pour éliminer un besoin de câblage supplémentaire du régulateur de gradation à une alimentation électrique externe.
PCT/CN2019/100702 2019-08-15 2019-08-15 Dispositif de commande de gradation avec circuit de distribution de courant WO2021026853A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2019/100702 WO2021026853A1 (fr) 2019-08-15 2019-08-15 Dispositif de commande de gradation avec circuit de distribution de courant
GB2200712.4A GB2600304B (en) 2019-08-15 2019-08-15 Dimming controller with current distribution circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/100702 WO2021026853A1 (fr) 2019-08-15 2019-08-15 Dispositif de commande de gradation avec circuit de distribution de courant

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201110826A (en) * 2009-09-02 2011-03-16 Univ Ishou Digital addressable dimming lighting system
US20150264759A1 (en) * 2014-03-11 2015-09-17 Minebea Co., Ltd. Light source driving device and method for driving light source
US20160330805A1 (en) * 2015-05-05 2016-11-10 Arkalumen Inc. Circuit and apparatus for controlling a constant current dc driver output
US20170231055A1 (en) * 2016-02-10 2017-08-10 Hubbell Incorporated Toggle Control for Lighting System
US20180177023A1 (en) * 2015-06-22 2018-06-21 Tridonic Gmbh & Co Kg Lamp control unit, lighting device and lighting system
CN110099486A (zh) * 2019-04-30 2019-08-06 欧普照明股份有限公司 一种调光控制电路及调光控制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5361264B2 (ja) * 2008-07-04 2013-12-04 ローム株式会社 半導体装置
US10513437B2 (en) * 2015-07-28 2019-12-24 Schlumberger Technology Corporation System and methodology utilizing a getter based storage system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201110826A (en) * 2009-09-02 2011-03-16 Univ Ishou Digital addressable dimming lighting system
US20150264759A1 (en) * 2014-03-11 2015-09-17 Minebea Co., Ltd. Light source driving device and method for driving light source
US20160330805A1 (en) * 2015-05-05 2016-11-10 Arkalumen Inc. Circuit and apparatus for controlling a constant current dc driver output
US20180177023A1 (en) * 2015-06-22 2018-06-21 Tridonic Gmbh & Co Kg Lamp control unit, lighting device and lighting system
US20170231055A1 (en) * 2016-02-10 2017-08-10 Hubbell Incorporated Toggle Control for Lighting System
CN110099486A (zh) * 2019-04-30 2019-08-06 欧普照明股份有限公司 一种调光控制电路及调光控制方法

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GB202200712D0 (en) 2022-03-09
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