EP2695490A1 - Procédé et dispositif d'éclairage a leds programmable - Google Patents
Procédé et dispositif d'éclairage a leds programmableInfo
- Publication number
- EP2695490A1 EP2695490A1 EP12721329.6A EP12721329A EP2695490A1 EP 2695490 A1 EP2695490 A1 EP 2695490A1 EP 12721329 A EP12721329 A EP 12721329A EP 2695490 A1 EP2695490 A1 EP 2695490A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cuts
- leds
- projectors
- mode
- cut
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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]
- H05B45/20—Controlling the colour 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
- H05B47/185—Controlling the light source by remote control via power line carrier 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
- H05B47/19—Controlling the light source by remote control via wireless transmission
Definitions
- the invention relates to a programmable LED lighting method and device.
- the present invention relates to the field of lighting, in particular in the aquatic environment.
- a lighting device comprising one or more submersible devices, also called underwater projectors, used for lighting pool pools and their direct environment (beach, terraces, gardens ). It also applies to lighting fountains, spas, or other places, as well as lighting in an air environment.
- Submerged floodlights or underwater floodlights for swimming pool lighting are nowadays widely used to illuminate the water of the pools and their environment, at nightfall, in order to secure the premises and provide an aesthetic rendering. More specifically, the invention applies to projectors using light emitting diode technology LED or LED in English for "light-emitting diode", which contain a set of LEDs of high brightness (see for example EP-1.840 documents. 450, EP-1.460.333).
- LED spotlights are very economical. They consume very small amounts of energy (only a few watts) and have a very long life (more than 10 years in daily use). LEDs are also stronger, have a much longer life than incandescent or fluorescent lamps, and have a yield three to four times higher than these.
- the remote control of the color change can be done by transmission of information by radio waves or wired or by using a power cable for transmission medium (line carrier current - CPL), see for example the document FR 2931925.
- line carrier current - CPL line carrier current - CPL
- the document US-2002 / 0.163.316 describes, for example, a device consisting of causing a rapid shutdown of the power supply of the LEDs.
- These systems are provided with a detection device for detecting the cutoff allowing the color change, and this, thanks to the energy accumulated generally in capacitors equipping the projector.
- Such operations can only be performed by operating a switch to cause a rapid cut that should not be too short or too long for the energy accumulated in the projectors to maintain the power supply of the device detection during the cut-off time.
- the color change occurs incrementally and in a predefined order.
- a cut of width too short could be likened to a spurious signal, thus generating the possibility of desynchronization of the projectors occurring when they do not detect the cut, and a break of width too long could be likened to a break power supply because of too long response time and therefore extinguish the projectors.
- the object of the invention is in particular to overcome the disadvantages of the prior art, in particular the disadvantages resulting from the implementation of the devices described above.
- Another object of the present invention is to provide a method and a lighting device that can receive and interpret a code for changing the mode of operation of the projectors while being relatively simple and inexpensive.
- Another objective is to propose a method and a device that makes it possible to instantly and easily change the color of the projectors.
- a lighting device in particular an underwater lighting device comprising a plurality of projectors each comprising at least one light source constituted by a set of LEDs capable of emitting different colored lights, said plurality of projectors being connected to a power source, and at least one housing of control connected to said power source.
- the control box is equipped with a cut-off device shaped to transmit, via a power cut-off device, advantageously constituted by a relay or a triac, control instructions to the projectors in the form of successions of power supply interruptions. varied durations.
- the projectors are equipped with an embedded detector equipped with a microprocessor adapted or configured to interpret said control instructions and to modulate a signal capable of modifying the color of each of the LEDs comprising all the LEDs.
- This device is remarkable in that the control instructions issued by the switching device of the control unit are transmitted in the form of a code consisting of combinations of interruptions of various durations of the power supply.
- the light source consists of a set of LEDs each of which is capable of emitting a single color.
- the light source consists of LEDs of different colors, each of which is capable of emitting a plurality of colors, the LEDs being, for example, RGB LEDs.
- control unit is provided with keys making it possible to select an operating mode associated with a control instruction transmitted in the form of combinations of cuts in the power supply.
- control unit comprises a microprocessor coupled to a time base making it possible to cut off power supply of a precise duration.
- the cut-off device is configured to generate combinations of m power cuts of n varied durations (long, and / or medium, and / or short). , said combinations of cuts constituting n m different operating modes: - Mode 1: first combination;
- the microprocessor is configured to generate combinations of two power cuts of two varied durations (long and / or short), said combinations of cuts comprise the following different modes of operation:
- power cuts are between 100 and 300 ms for a so-called “short” cut and between 300 and 500 ms for a so-called "long” cut.
- the device comprises a remote control communicating wirelessly with the control box, the latter being provided with a radio receiver constituted by an antenna.
- the microprocessor of the on-board detector comprises a program comprising the different operating modes so as to interpret said control instructions transmitted by the microprocessor of the transmitter and to modulate a signal capable of modifying the color of each of the LEDs comprising all the LEDs.
- the invention also relates to a lighting method, in particular underwater lighting of the kind comprising a plurality of projectors each comprising at least one light source consisting of a set of LEDs capable of emitting lights of different colors, said plurality of projectors being connected to a power source; and at least one control box connected to said power source and communicating with each of the projectors.
- control unit is configured to generate a code consisting of power cuts of varied durations (long, and / or medium, and / or short), or combinations of such cuts, and transmit control instructions able to change the color of each of the LEDs comprising all the LEDs, and equip the projectors with an embedded detector equipped with a microprocessor able to interpret said control instructions transmitted by the control unit under form of a succession of power cuts.
- a mode of operation of the projector is selected by means of the keys of the control box, said modes of operation being associated with control instructions.
- the supply interruptions generated by the control box are detected and their duration measured by the detector of the projectors equipped with a microprocessor, which interprets said code consisting of all the cuts and modulates a signal for modifying the mode of operation of the projectors.
- the microprocessor generates combinations of m cuts power n varying lengths (long and / or medium and / or short), said combinations of cuts constituting n m different operating modes following:
- the microprocessor generates combinations of two power cuts of two durations various (long and / or short), said combinations of cuts comprise the following different modes of operation:
- the microprocessor of the on-board detector is programmed with the various modes of operation of the projectors so as to interpret the said control instructions transmitted by the microprocessor of the transmitter and to modulate a signal capable of modifying the color of each of the LEDs. all the LEDs.
- Figure 1 is a schematic perspective view of an installation provided with the lighting device according to the invention.
- Figure 2 is a schematic view of a diagram illustrating the operating principle of the invention.
- Figure 3 is a schematic illustration of the operating principle of the circuit of a transmitter installed in the control box, according to the invention.
- FIG. 4 is a schematic illustration of the operating principle of the circuit of an on-board detector for projectors according to the invention.
- FIG. 1 schematically illustrates an installation applying the lighting device according to the invention.
- This lighting device 1 mainly comprises a plurality of projectors 2 equipping the walls of a pool P and each having one or more light sources constituted by a set of LEDs 3 (FIGS. 2 and 4) capable of emitting lights. of different colors, said light source being connected to a power source ( Figures 2, 3 and 4).
- the projectors 2 generally comprise a sealed body to be installed in a swimming pool P and / or near the pool P and may have various shapes.
- the lighting device 1 further comprises at least one control unit 4 arranged, generally, at a distance from the swimming pool P, on a building wall, for example, inside a dwelling.
- the control unit 4 is also connected to the power source and controls the power supply of each of the projectors 2.
- This control unit 4 is provided with keys 7, a radio wave antenna 6 and a power cut-off device 5.
- the cutoff device 5 of the control box 4 is configured to transmit, via a cut-off device, advantageously constituted by a relay or by a triac, or any other breaking system, instructions control circuit IC capable of modifying the color of each of the LEDs 3 constituting the sets of LEDs 3.
- the control instructions IC are transmitted to the projectors 2 which are equipped with an on-board detector 8, described below and able to interpret this kind IC instructions.
- control instructions IC are in the form of a combination of power cuts which are intended to change the operating mode of a projector 2, or a group of projectors 2, or all the projectors 2 at the same time. time.
- the keys 7 installed on the control box 4 allow a user to easily choose a mode of operation of the projectors 2 and, more particularly, to change the desired color for the lighting of the swimming pool P. More precisely, the keys 7 make it possible to select a combination of power cuts operating the color change of the LEDs 3.
- the cut-off device 5 installed in the control box 4, comprises various electronic components known per se and in particular a microprocessor 9 which is configured to generate a code consisting of combinations of power cuts of various durations ( long, and / or medium, and / or short). These combinations of cuts are perceived as a message interpretable by the projectors 2.
- this cut-off device 5 is mounted at the source of the supply of the projectors 2.
- the cuts constituting the combinations are in predetermined number and are of various predetermined lengths. These cuts are also sufficiently spaced apart to be detected and interpreted by the projectors 2 with a low error rate.
- the microprocessor 9 of the cut-off device 5 is coupled to a time base 10 enabling it to make these cuts of a precise duration to within 1 ms.
- This time base 10 may be constituted by an oscillator internal to the microprocessor 9 or by a quartz oscillator.
- the combinations of cleavages thus form a coding in the manner of the walrus, delivering information or instructions that correspond to the different modes of operation that the projectors can adopt.
- it is the combination consisting of several cuts of various durations that is sent in a salvo for a defined time which allows to obtain the vocabulary of the device and to constitute a set of instructions.
- the information is therefore interpreted by the projectors 2 when the burst of cuts is completely received.
- n m possible combinations corresponding to different instructions there are therefore n m possible combinations corresponding to different instructions.
- This interesting feature of the invention provides several beneficial advantages including the possibility of having a larger vocabulary but above all there is no error detection or misinterpretation, by the device of the invention, coding constituted by the combination of cuts of varied durations.
- a combination of power cuts has, for example, a duration of between 50 ms and 2 s.
- Short can vary between 100 and 300 ms and the duration of a so-called “long” power cut can vary between 300 and 500 ms.
- the short cuts must be long enough not to be confused with the frequent micro-cuts occurring on the networks.
- long cuts must be short enough not to cause the malfunction of the headlamps 2.
- the lighting device 1 may comprise a remote control 11 communicating wirelessly with the control unit 4.
- the latter is equipped with a radio receiver 12 called to capture the information transmitted by the remote control 11, the latter being also equipped with keys T.
- the user can choose, remotely, the mode of operation of the projectors 2 and therefore the desired color regardless of where it is located.
- the projector 2 as described above, comprises one or more light sources consisting of a set of LEDs 3. These are generally high power LEDs 3 well known to those skilled in the art.
- the light source consists of LEDs that can emit a single color, that is to say LEDs of white color, or red, or green, or blue, or yellow etc.
- This light source can also be made of LEDs 3 of different colors, usually red, green and blue, the combination of emissions makes it possible to obtain a very wide variety of colors. It is still possible to use LEDs each emitting the 3 basic colors (red, green and blue).
- These LEDs 3a are better known as RGB LEDs (Red / Green / Blue) or RGB LEDs for English (Red / Green / Blue).
- the single-color LEDs 3 and / or the RGB LEDs are assembled on the same electronic card in the projector 2, this electronic card comprising the electronic components of the projector 2.
- the LEDs 3 can be mounted on a card different from that provided for said components.
- the on-board detector 8 installed on an electronic card known per se, in the projector 2, comprises a microprocessor 13 configured to interpret the control instructions IC sent by the control device.
- This microprocessor 13 comprises a program consisting of the various operating mode possibilities that the projector can adopt so as to easily interpret the power cut combinations constituting the received IC command instructions.
- the microprocessor 13 modulates a signal to change, for example, the color of the LEDs 3.
- the on-board detector 8 requires a DC power supply obtained by an AC / DC rectifier or AC / DC converter 14, and which by construction integrates a capacitor of large capacity for filtering the alternating current.
- This capacitor makes it possible to have a reserve of energy or memory, which during power cuts designed to change the operating mode of the projectors 2, allows, on the one hand, the on-board detector 8 to operate a few moments after said cuts, and on the other hand, to keep the lights 2 on for about 2 to 5 seconds.
- the capacity of the capacitor makes it possible to vary the charging time thereof.
- this memory can be achieved by any other suitable means known to those skilled in the art.
- the on-board detector 8 in order to detect power supply interruptions, the on-board detector 8 must monitor the presence of an alternating current and cut off as soon as possible the power source of the LEDs 3, so as to preserve the energy reserve. contained in the capacitor. The detector 8 uses this accumulated energy to determine the elapsed time since the power failure. In other words, if the projector 2 is refueled before the detector has exhausted the energy accumulated in the capacitor, it is possible to determine the duration of the power failure and identify if it is long cuts, and / or medium, and / or short. Conversely, when the projector 2 is not refueled before the energy accumulated in the capacitor is exhausted, the on-board detector 8 stops working. Turning on the projector 2 again allows the on-board detector 8 to return to its previous state before the power supply is cut off.
- the lighting device consists of three projectors 2 installed in a pool P, a control unit 4 and a remote control 11 radio, these two elements being equipped with four keys 7, 7 'which have the following functions:
- the lights 2 lighting up with the last color previously selected.
- the user can select the desired color by using the keys 3 and 4. If he wants the projectors 2 to change colors automatically, according to the different sequences programmed in the projectors 2, the user presses the key 2, then selects the sequence that suits it using the 3 and 4 keys. Just press the key 1 to turn off the lights 2. When the user restarts the projectors 2, they will keep the last operating mode chosen . There may be other modes of operation, for example, decreasing or increasing the intensity of the light. By pressing, successively, the keys 1 and 2, all the projectors 2 are reset so that the latter are returned to the same operating state.
- This arrangement makes it possible to resynchronize all the projectors 2 in the event that one of them has misinterpreted the command instruction IC transmitted.
- This same device can be used to control the operating mode of a large number of projectors 2, for example, about forty projectors 2 distributed on the facade of a building and supplied to the same power source.
- the invention also relates to a lighting method, in particular underwater lighting of the kind comprising the aforementioned characteristics.
- the control unit 4 is equipped with a cut-off device 5 configured to transmit, via a cut-off device (for example constituted by a relay, or a triac, or other cut-off system), IC control instructions in the form of a short cut of various durations, or combinations of such cuts, the projectors 2, which are equipped with an onboard detector 8 configured to interpret said IC control instructions and able to change the color of each of LEDs 3 composing all the LEDs 3.
- a cut-off device for example constituted by a relay, or a triac, or other cut-off system
- IC control instructions in the form of a short cut of various durations, or combinations of such cuts
- the projectors 2 which are equipped with an onboard detector 8 configured to interpret said IC control instructions and able to change the color of each of LEDs 3 composing all the LEDs 3.
- an operating mode of the projector 2 is selected by means of the keys 7 of the control unit 4, said modes of operation being associated with control instructions IC.
- the control instructions IC are transmitted by the cut-off device 5 comprising a microprocessor 9, which generates a code consisting of combinations of power cuts of various durations (long, and / or or medium, and / or short) for modulating the colors of each of the LEDs 3. More specifically, this code consisting of a combination of power cuts is sent to the onboard detector 8 of the projectors 2 equipped with a microprocessor 13, which interprets said code and modulates a signal intended to modify the mode of operation of said projectors 2.
- the cut-off device 5, and more precisely the microprocessor 9, generates combinations of power cuts of varied durations (long, and / or medium and / or short).
- the microprocessor when the microprocessor generates combinations of m cuts of the supply of n varied durations, there are n m combinations of cuts constituting the following different modes of operation:
- said cut combinations comprise the following different operating modes:
- the microprocessor 13 of the on-board detector 8 is programmed with the various operating modes of the projectors 2 so as to interpret said control instructions IC transmitted by the microprocessor 9 of the cut-off device 5 and to modulate a signal capable of modifying the color of the each of the LEDs 3 of all the LEDs 3.
- the cut-off system 5 can be configured to also transmit to the projectors 2 parameters whose values are proportional to the duration of the cuts. These transmitted values can make it possible, for example, according to an interesting application, to remotely adjust the luminous intensity of the projectors 2 or to modify the color change rate or any other parameter of the operation of the projectors which can then be memorized by this latest.
- a parameter whose value is between 0 and 99 can be transmitted to the projectors by the cut-off device through a power failure of 10 ms and 1 s.
- the microprocessor 13 of the onboard detector is programmed to interpret the cut so that the parameter is incremented by one unit per 10 ms.
- a cutoff of 600 ms would be interpreted by the detector 8 as an instruction to set said parameter to 59%.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1101036A FR2973860A1 (fr) | 2011-04-06 | 2011-04-06 | Procede et dispositif d'eclairage a leds programmable |
PCT/FR2012/000130 WO2012136907A1 (fr) | 2011-04-06 | 2012-04-05 | Procédé et dispositif d'éclairage a leds programmable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2695490A1 true EP2695490A1 (fr) | 2014-02-12 |
EP2695490B1 EP2695490B1 (fr) | 2014-12-31 |
Family
ID=46085657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12721329.6A Active EP2695490B1 (fr) | 2011-04-06 | 2012-04-05 | Procédé et dispositif d'éclairage a leds programmable |
Country Status (5)
Country | Link |
---|---|
US (1) | US9247610B2 (fr) |
EP (1) | EP2695490B1 (fr) |
ES (1) | ES2534137T3 (fr) |
FR (1) | FR2973860A1 (fr) |
WO (1) | WO2012136907A1 (fr) |
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US20130293396A1 (en) | 2008-03-15 | 2013-11-07 | James R. Selevan | Sequenced guiding systems for vehicles and pedestrians |
US20130271294A1 (en) * | 2008-03-15 | 2013-10-17 | James R. Selevan | Sequenced guiding systems with location designation capability |
US9134599B2 (en) * | 2012-08-01 | 2015-09-15 | Pentair Water Pool And Spa, Inc. | Underwater image projection controller with boundary setting and image correction modules and interface and method of using same |
US9423608B2 (en) | 2012-08-01 | 2016-08-23 | Pentair Water Pool And Spa, Inc. | Multidimensional rotary motion apparatus moving a reflective surface and method of operating same |
DE102012224146B4 (de) * | 2012-12-21 | 2024-03-28 | Tridonic Gmbh & Co Kg | Master-Slave System auf der Sekundärseite einer galvanischen Isolationsbarriere (SELV-Barriere) eines Betriebsgeräts |
US9288088B1 (en) | 2013-02-22 | 2016-03-15 | Pi Variables, Inc. | Synchronizing the behavior of discrete digital devices |
US10839665B2 (en) | 2013-03-15 | 2020-11-17 | Hayward Industries, Inc. | Underwater lighting system with bather detection circuitry |
CA2905785A1 (fr) * | 2013-03-15 | 2014-09-25 | Hayward Industries, Inc. | Systeme d'eclairage sous l'eau a circuit de detection de baigneurs |
WO2014143779A2 (fr) | 2013-03-15 | 2014-09-18 | Hayward Industries, Inc | Système de commande de piscine/spa modulaire |
WO2016077812A1 (fr) | 2014-11-15 | 2016-05-19 | Selevan James R | Clignotement séquentiel et coordonné de torches électroniques de bord de route avec conservation active d'énergie |
US11313546B2 (en) | 2014-11-15 | 2022-04-26 | James R. Selevan | Sequential and coordinated flashing of electronic roadside flares with active energy conservation |
USD778753S1 (en) | 2015-04-29 | 2017-02-14 | Pi Variables, Inc. | Electronic traffic safety/guidance flare |
USD778752S1 (en) | 2014-12-31 | 2017-02-14 | Pi Variables, Inc. | Electronic traffic safety/guidance flare |
US10057964B2 (en) | 2015-07-02 | 2018-08-21 | Hayward Industries, Inc. | Lighting system for an environment and a control module for use therein |
US10472841B2 (en) * | 2015-09-09 | 2019-11-12 | Polygroup Macau Limited (Bvi) | Lighted inflatable apparatus |
US20170211285A1 (en) | 2016-01-22 | 2017-07-27 | Hayward Industries, Inc. | Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment |
US11720085B2 (en) | 2016-01-22 | 2023-08-08 | Hayward Industries, Inc. | Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment |
USD854437S1 (en) | 2017-02-10 | 2019-07-23 | Pi Variables, Inc. | Portable electronic flare system |
USD854438S1 (en) | 2017-02-10 | 2019-07-23 | Pi Variables, Inc. | Portable electronic flare |
US11725785B2 (en) | 2017-02-10 | 2023-08-15 | James R. Selevan | Portable electronic flare carrying case and system |
US10551014B2 (en) | 2017-02-10 | 2020-02-04 | James R. Selevan | Portable electronic flare carrying case and system |
EP3649811A4 (fr) | 2017-07-06 | 2021-03-31 | James R. Selevan | Dispositifs et procédés de signalisation synchronisée des positions de piétons ou de véhicules en mouvement |
WO2019183135A1 (fr) * | 2018-03-20 | 2019-09-26 | Zodiac Pool Systems Llc | Signalisation binaire par commutation de puissance |
US10904987B1 (en) * | 2020-09-05 | 2021-01-26 | Light Power Technologies, LLC | Systems and methods for operating lights |
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US5107184A (en) * | 1990-08-13 | 1992-04-21 | Electronic Ballast Technology, Inc. | Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases |
US6774584B2 (en) * | 1997-08-26 | 2004-08-10 | Color Kinetics, Incorporated | Methods and apparatus for sensor responsive illumination of liquids |
US6333605B1 (en) * | 1999-11-02 | 2001-12-25 | Energy Savings, Inc. | Light modulating electronic ballast |
US7204602B2 (en) * | 2001-09-07 | 2007-04-17 | Super Vision International, Inc. | Light emitting diode pool assembly |
ITCR20030003U1 (it) | 2003-03-18 | 2004-09-19 | Cappa Snc | Proiettore per piscine a luce di colore selettivamente variabile |
US7391168B1 (en) * | 2005-01-13 | 2008-06-24 | Universal Lighting Technologies, Inc. | Digital control of electronic ballasts using AC power lines as a communication medium |
ES1062487Y (es) | 2006-03-28 | 2006-09-16 | Sacopa Sa | Foco sumergible |
EP2038738A2 (fr) * | 2006-06-27 | 2009-03-25 | Philips Intellectual Property & Standards GmbH | Éclairage de grandes surfaces |
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FR2931925B1 (fr) * | 2008-05-30 | 2014-10-10 | Bleu Electr | Dispositif d'eclairage, eclairage et procede d'eclairage |
-
2011
- 2011-04-06 FR FR1101036A patent/FR2973860A1/fr active Pending
-
2012
- 2012-04-05 US US14/009,481 patent/US9247610B2/en active Active
- 2012-04-05 ES ES12721329.6T patent/ES2534137T3/es active Active
- 2012-04-05 WO PCT/FR2012/000130 patent/WO2012136907A1/fr active Application Filing
- 2012-04-05 EP EP12721329.6A patent/EP2695490B1/fr active Active
Non-Patent Citations (1)
Title |
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See references of WO2012136907A1 * |
Also Published As
Publication number | Publication date |
---|---|
US9247610B2 (en) | 2016-01-26 |
EP2695490B1 (fr) | 2014-12-31 |
ES2534137T3 (es) | 2015-04-17 |
US20140210373A1 (en) | 2014-07-31 |
WO2012136907A1 (fr) | 2012-10-11 |
FR2973860A1 (fr) | 2012-10-12 |
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