Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S8/00—Lighting devices intended for fixed installation
  • F21S8/08—Lighting devices intended for fixed installation with a standard
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
  • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
  • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
  • F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
  • F21V23/009—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being inside the housing of the lighting device
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
  • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
  • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
  • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
  • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
  • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
  • F21V23/045—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor receiving a signal from a remote controller
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
  • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
  • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
  • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section

Definitions

• the invention relates to a lighting device for an object, in particular a tower, such as a wind turbine.
• the invention also relates to an object, in particular a tower, with a lighting device, as well as to a complex, such as a wind farm, with several objects, in particular towers, and respective lighting devices.
• objects may refer to, for example, a building, a bridge, a pylon, a mast, a chimney, a helipad, or the like.
• Aviation obstacles include, for example, high-rise buildings, telecommunications towers, wind turbines, cranes, bridge piers, masts, especially radio masts, or chimneys and similar tall structures, which are generally referred to below as towers.
• the lighting device serves to mark the aviation obstacle.
• lighting devices are used as hazard lights or navigational beacons.
• lighting devices are equipped with electric light sources, such as Light-emitting diodes (LEDs). Fires with LED light sources are used, for example, in DE 203 12 647 U1 or DE 697 25 705 T2 described.
• LEDs Light-emitting diodes
• EP 1 984 622 B1 The wind turbine described has a receiver that receives signals from aircraft to activate the flight lighting system only when an aircraft approaches the wind turbine. This is intended to alert the pilot of the vehicle that the vehicle is approaching the wind turbine or a wind farm. Similarly, a lighting system can be used in offshore wind turbines to safely prevent a collision between an offshore wind turbine and a ship.
• DE 20 2022 002 564 U1 concerns a light intended for use as an air obstacle warning light which includes its own traffic signal receiver.
• a network for signal transmission between a multitude of different control devices, actuators, sensors, receivers, transmitters, and the like.
• the lights represent only a part of a multitude of networked components.
• complex cabling within the respective Complexity is required, which necessitates complicated installation. Addressing the lights in the respective network also often presents a challenge because the number of usable addresses is limited.
• This object(s) is achieved by the subject matter of claim 1.
• a lighting device for an object in particular a tower, such as a wind turbine, which comprises a lighting device compartment and at least one lighting device.
• the lighting device compartment is delimited, at least in sections, by at least one window. It may be preferred that the lighting device compartment be equipped with at least one or precisely one window to allow the all-round emission of lighting light.
• the window may, for example, be cylindrical in shape and completely surround the lighting device compartment, wherein the window extends around an axis of rotation that defines an axial direction.
• the window is implemented as a lens that is designed and configured to align the lighting light emitted by the lighting device.
• a window formed as a lens may, for example, be shaped in the manner of a Fresnel lens.
• the lighting device compartment or the entire lighting device may be formed substantially rotationally symmetrically with respect to an axis.
• the lighting device preferably has a main extension direction that defines an axial direction. In the axial direction, the lamp space can be delimited on at least one side by a plate, such as a cover plate or a base plate.
• the lighting device preferably comprises at least one row of, in particular identical, illuminants, which are arranged circumferentially distributed in the illuminant chamber and/or are oriented in different radial directions to emit illuminant light. Additionally or alternatively, the lighting device can have several, in particular several rows, of, in particular identical, illuminants offset in the axial direction. Preferably, several illuminants offset in the axial direction are arranged within the same illuminant chamber.
• the lighting device comprises first illuminants with a first predetermined luminous spectrum, for example with a characteristic wavelength in the visible red range.
• the lighting device can in particular comprise at least one first illuminant with a characteristic Wavelength in the range 650 nm to 780 nm.
• the lighting device can have at least one second illuminant with a second predetermined luminous spectrum that differs from the first predetermined luminous spectrum.
• the lighting device can have second illuminants with a characteristic wavelength in the non-visible infrared range.
• the lighting device has illuminants with a predetermined white, red and/or infrared luminous spectrum.
• the lighting device can in particular have at least one second illuminant with a characteristic wavelength in the range 780 nm to 140 nm.
• the lighting device can have a luminous intensity in the range of 5 cd to 90 cd, preferably in the range of 10 cd to 70 cd. In some embodiments, the lighting device can have a luminous intensity in the range of 100 cd to 500,000 cd, preferably in the range of up to 200,000 cd. It can be particularly preferred for the lighting device to be designed and configured to emit red light with a luminous intensity in the range of 200 cd to 2,000 cd or in the range of 2,000 cd to 20,000 cd. Alternatively or additionally, the lighting device can be designed and configured to emit white light with a luminous intensity in the range of up to 100,000 cd or up to 200,000 cd.
• the window is preferably matched to the luminous spectrum of the at least one illuminant of the lighting device.
• the window is substantially transparent to the luminous spectrum of the illuminant(s).
• the illuminant(s) is(are) equipped with illuminant electronics for operating the illuminant(s).
• illuminants implemented as light-emitting diodes comprise LED driver electronics as illuminant electronics.
• the illuminant electronics can be arranged directly on the illuminant(s).
• the illuminant electronics can be arranged in a base region, in particular on a mounting flange, which is provided for fastening the lighting device to the object, in particular a tower.
• the illuminant space and the receiving space denote adjacent, spatially separate regions of the lighting device that are jointly encapsulated.
• the receiving space can form an axial extension relative to the receiving space, wherein in particular no partition wall is provided between the receiving space and the illuminant space.
• Electronic components are preferably arranged in the receiving space.
• Technical devices, such as electronic components, designed and configured to influence the operation of the at least one illuminant can be arranged in the receiving space.
• technical devices, such as electronic components, designed and configured to operate independently of the operation of the at least one illuminant and/or without influencing the operation of the illuminant can be arranged in the receiving space.
• the electronic components arranged or arrangeable in the receiving space can be at least partially electrically and/or signal-transmittingly connected to the at least one illuminant and/or the illuminant electronics. It may be preferred for the illuminant electronics to be arranged entirely outside the illuminant space. Alternatively, the illuminant electronics can be arranged only partially or entirely within the receiving space. Preferably, the electronic components accommodated in the receiving space are different from the illuminant electronics. In some embodiments, the electronic components in the receiving space comprise the illuminant electronics.
• the lighting device preferably comprises control electronics for actuating the at least one lighting means, in particular according to a BNK mode.
• the electronic components accommodated in the receiving space can at least partially or completely comprise or implement the control electronics.
• the control electronics are preferably designed and configured to operate the at least one lighting means in a first active mode, in particular an active night mode, or a first passive mode, in particular a passive night mode, wherein the lighting means is operated at a nominal light intensity in the first active mode and is inactive in the first passive mode or is operated at a light intensity reduced compared to the nominal light intensity.
• the lighting means can be operated with a predetermined flashing rhythm.
• control electronics can be designed and configured to operate at least one lighting means in a second active mode, in particular an active day mode, wherein the second active mode differs from the first active mode.
• control electronics can be designed and configured to operate at least one light source in the first active mode to emit beacon light with a first characteristic light spectrum (for example, to emit red light) and in the second active mode to emit beacon light with a second characteristic light spectrum (for example, to emit white light).
• the housing shields the electronic components located therein from the environment.
• the housing forms a housing or part of a housing for dust- and/or water-protected accommodation of the electronic components.
• the housing and the lamp compartment can form a common housing.
• the housing for dust- and/or water-protected accommodation of electronic components and/or lamps can be defined, for example, according to a protection class of the so-called International Protection Code (IP Code). Protection classes can describe the degree of protection of the housing against contact, foreign bodies, water, and the like. IP codes can be defined, for example, according to IEC 529, EN 60529, DIN VDE 0470-1 in the respective 2014 versions. The first digit of the IP code indicates the protection against foreign bodies and contact. A higher value indicates greater protection.
• IP Code International Protection Code
• the lighting device allows for a significant simplification thanks to the integration of electronic components, which in conventional systems are arranged outside the lighting device in control cabinets on or in an object, in particular a tower.
• the integration of electronic components into the lighting device enables decentralized operation of the lighting device. In this way, the cabling, addressing, and assembly costs for using the lighting device can be significantly reduced.
• the accommodation of electronic components in the receiving space of the lighting device reduces unwanted electromagnetic interactions that can occur in some conventional systems with control cabinets located far away from the lighting device.
• the number of wired signal lines in an object for transmitting control signals from a control cabinet to a lighting device can be reduced.
• the height of the receiving space is at least 50%, in particular at least 75%, preferably at least 90%, of the height of the illuminant space and/or not more than 200%, in particular not more than 150%, preferably not more than 125% or not more than 110%, of the height of the illuminant space. It may be preferred that the receiving space has a radial width which is not greater than that of the The lamp compartment defines a floor area. The lamp compartment is preferably arranged flush with the floor area.
• the lighting device further comprises a supply channel separate from the illuminant chamber and the receiving chamber.
• the supply channel is designed and configured to accommodate electronic supply lines, signal lines, and/or a cooling medium for the at least one illuminant.
• the illuminant chamber surrounds the supply channel in the radial direction.
• the receiving chamber can surround the supply channel in the radial direction.
• the illuminant chamber is delimited, at least in sections, by an inner wall that separates the supply channel from the illuminant chamber.
• the supply channel preferably extends in the axial direction through at least part of the lighting device.
• the supply channel can extend into the lighting device, starting at the base region, in particular at a mounting flange.
• the lighting device is free of a wired signal line for transmitting control signals from a control cabinet to the lighting device.
• the The lighting device has control electronics that are designed and configured for, preferably exclusively, wireless communication with network components of the object, in particular the tower, or the complex, that are external to the lighting device.
• the lighting means, the electronic components, any control electronics, etc. are preferably designed and configured for operation without a wired signal line to a control cabinet in or on the object, in particular the tower, or the complex.
• this preferred embodiment preferably has an electrical supply line for operating the lighting device. Because the lighting device is designed and configured for operation without wired reception of control signals, it can be used with significantly reduced assembly and cabling effort. This can reduce costs and sources of error.
• the lighting device comprises, as a network component, both a traffic receiver and a radio signal receiver and/or transmitter.
• the radio signal receiver and/or transmitter and the traffic receiver can be interconnected for signal transmission.
• At least one or precisely one lighting device of this object, in particular a tower comprises a traffic receiver.
• the lighting device of the object, in particular a tower, with the traffic receiver preferably also comprises a radio signal receiver and/or transmitter.
• several lighting devices of the object are free of a wired signal line for transmitting control signals from a control cabinet to the respective lighting device.
• the several lighting devices designed free of a wired signal line to the control cabinet can be equipped with a respective radio signal receiver and/or transmitter (network component).
• at least one or exactly one lighting device of the object, in particular a tower comprises a radio signal receiver and/or transmitter and, if appropriate, a traffic receiver.
• several lighting devices of the object, in particular a tower are free of a wired signal line for transmitting control signals from a control cabinet to the respective lighting device.
• the master lighting device is arranged at the top of an object, in particular the top of a tower, for example on a nacelle of a wind turbine, and at least one slave lighting device is arranged at lower positions of the object, in particular the tower, for example as a level light.
• a complex such as a wind farm, can comprise several towers, wherein at least one object, in particular a tower, comprises a lighting device as described above.
• the complex can comprise several lighting devices as described above.
• the complex can comprise various lighting devices, wherein at least one lighting device is designed as described above. It is conceivable that the complex has several different lighting devices according to different embodiments described above.
• several lighting devices of several towers are free of respective wired signal lines for transmitting control signals from a control cabinet to the respective lighting device.
• the several lighting devices designed free of a wired signal line to the control cabinet are equipped with a respective radio signal receiver and/or transmitter.
• at least one other lighting device of at least one object, in particular tower, of the complex comprises both a traffic receiver and a radio signal receiver and/or transmitter.
• the several lighting devices (slave lighting devices) are connected to the other lighting devices (master lighting devices) are wirelessly connected for signal transmission via their radio signal receivers and/or transmitters.
• the master lighting device is arranged on an object, in particular a tower, of the complex, such as a central wind turbine of a wind farm, and at least one slave lighting device is provided on other towers and/or the same object, in particular a tower.
• One or more lighting devices equipped with a radio signal receiver and/or transmitter can be used to establish communication, in particular redundant communication, for controlling or maintaining the complex, such as a wind farm. This allows the wired network architecture to be implemented in a greatly simplified manner.
• the supply channel 7 can be designed and configured for a preferably passive cooling of the firing device 1.
• the supply channel 7 can For example, air, in particular ambient air, can be contained as a cooling medium.
• the air supply duct 7 can be partially open to the environment in order to ensure an exchange of air and heat.
• the supply duct 1 can have at least one opening 70 in the region of a mounting flange 9 for fastening the lighting device to a tower.
• the supply duct 7 is preferably circumferentially delimited in the region of the lighting device compartment 3 by its inner wall 37.
• the lighting devices 4 and/or the lighting device electronics 41 are preferably fastened to the inner wall 37 and connected to the inner wall 37 for conductive heat transfer.
• the inner wall 37 is preferably formed from a metal material. The waste heat from the lighting devices 4 or the lighting device electronics 41 can be effectively dissipated by the cooling medium present in the supply duct 7.
• the receiving space 5 forms a dust- and watertight encapsulation within which electronic components are housed.
• the receiving space 5 can, for example, form a housing corresponding to protection class IP 68. It is conceivable that the lamp compartment 3 together with the receiving space 5 form a housing corresponding to a protection class. Alternatively, the lamp compartment 3 and the receiving space 5 can form separately encapsulated housings, each of which corresponds to a protection class.
• the illuminant chamber 3 is arranged in the axial direction A between the receiving chamber 5 and the mounting flange 9. Thanks to this arrangement, a receiving chamber 5 with a particularly large volume for accommodating electronic components can be realized without disrupting the circumferential emission of beacon light in the radial direction R.
• control electronics for operating the lighting devices can be housed in the receiving space 5.
• at least one traffic receiver for receiving transponder signals from a vehicle can be housed in the receiving space 5.
• the lighting device can comprise various antennas 21, 22 for different communication paths as a network component.
• a first radio antenna 21 can be designed and configured for communication with a mobile network, for example according to the LTE standard.
• wireless communication can be provided between the lighting device 1 and network components arranged remotely therefrom, for example a central data storage, diagnostic, maintenance and/or control station (not shown).
• the lighting device 1, in particular at least one electronic component arranged within the receiving space 5, can be designed and configured, for example, to receive control signals for the lighting device 1 or optionally other components of a tower or complex by means of the first radio antenna 21.
• the lighting device 1, in particular at least one electronic component arranged within the receiving space 5, can be designed and configured to transmit status or diagnostic information from the lighting device 1 by means of the first radio antenna 21.
• a transformer for converting a mains voltage into a supply voltage matched to the lighting means 4 can be arranged in the receiving space 4.
• the illustrated design of a lighting device 11 largely corresponds to the one described above with regard to Fig. 1 described embodiment of a lighting device 1, so that in order to avoid repetition, reference is made to the above statements.
• the lighting device 11 differs from the lighting device 1 essentially only in the arrangement of the receiving space 5 and the lighting device space 3, which is reversed in the axial direction A.
• the receiving space 5 is arranged in the axial direction A between at least one illuminant space 3 and the mounting flange 9.
• the lamp compartment 3 is also in the Fig. 2 illustrated embodiment, sleeve-shaped or hollow-cylindrical.
• the lamp chamber 3 extends between the base plate 39 and the cover plate 33.
• the lamp chamber 3 extends between an inner wall 37 and an outer window 31.
• the receiving space 5 is also cylindrical.
• the receiving space 5 extends between the annular base 59 and the circular cover 51.
• the receiving space 5 extends between an inner receiving wall 57 and an outer wall 55.
• the outer wall 55 can be formed as described above with respect to the firing device 1.
• the outer wall is formed like a window or lens, in particular from a transparent plastic material such as PMMA.
• the receiving space 5 is arranged directly adjacent to the illuminant space 3.
• the cover 51 of the receiving space borders the illuminant space 3.
• the cover 51 can be in planar contact with the base plate 39.
• the base plate 39 can be materially connected to the cover 51, for example, welded.
• the cover 51 can be formed integrally with the base plate 39.
• the column section 6 extends in the lighting device 11 between the receiving space 5 and the mounting flange 9.
• the column section 6 is formed by a segment of the supply channel 7 protruding from the receiving space.
• the supply channel 7 extends completely in the axial direction A both along the receiving space 5 and along the lamp space 3. This allows particularly good cooling of electronic components in the receiving space 5 by the cooling medium in the supply channel 7.
• Electronic components in the receiving space 5 are preferably mounted on the receiving inner wall 57.
• the supply channel 7 is preferably circumferentially delimited in the region of the receiving space 5 by its receiving inner wall 57.
• the receiving inner wall 57 and the inner wall 37 can be formed in one piece, for example as a common tube.
• the supply channel 7 extends in the axial direction A essentially through the entire firing device 1. In the axial direction A, the supply channel 6 can be limited by the cover plate 33.
• a plurality of illuminant compartments and/or receiving compartments can be provided, offset in the axial direction A.
• a receiving compartment can be provided in the axial direction between two different illuminant compartments.
• the different illuminant compartments can have the same or, preferably, different illuminants (for example, one for red light and the other for white light or infrared light as beacon light).
• Figure 3 shows an exemplary complex in the form of a wind farm 100, which comprises several towers in the form of wind turbines 101, 103.
• Fig. 3 also shows a helicopter 200 to symbolize an aircraft operating near the complex and the towers.
• Beaconing devices 1, 101 are arranged on the wind turbines 101, 103.
• the beaconing device 101 can be designed as described above.
• the various reference numerals 1, 111 for beaconing devices are intended to indicate that one of the towers 101 of the wind farm 100 comprises a beaconing device 111 with a traffic receiver.
• the traffic receiver is preferably arranged as an electronic component within a receiving space 5 of the beaconing device 111.
• the lighting device 111 When an aircraft, such as helicopter 200, approaches the lighting device 111, its traffic receiver receives a predetermined signal from the helicopter.
• the control electronics of the lighting device 111 can activate the lamps 4 accordingly. As long as the traffic receiver of the lighting device 111 does not detect an approaching aircraft during night operation, its lamps 4 are operated in a passive state. If the traffic receiver of the lighting device 111 detects an approaching or nearby aircraft, such as helicopter 200, during night operation, the lighting device 111 activates its lamps 4.
• the other lighting devices 1 of the tower 101 can also be switched to a corresponding active or passive state.
• the lighting device 111 can receive a control signal for activating and/or Passivation of further lighting devices 1 using radio signal transmitters and/or receivers of the lighting devices 1, 111. Additionally or alternatively, it is conceivable that, starting from the lighting device 111 of the tower 101, further lighting devices 1 of other towers 103 are also controlled.
• all of the lighting devices 1, 111 comprise radio signal receivers and/or transmitters. It may be preferred that some or all of the lighting devices 1, 111 be free of a respective wired signal transmission line connected to the control cabinet of the respective tower 101, 103. For example, only one lighting device 1, 111 per wind turbine 101, 103, for example, one attached to its nacelle 105, may be connected to the respective control cabinet via a control signal line.
• the electronic components of a lighting device 1, 111 can be designed to transmit status signals, diagnostic signals, control signals, or the like to other network components in the respective tower or complex, or from other network components connected to the lighting device 1, 111 by cable or wirelessly.
• a lighting device 1, 111 equipped with a radio signal receiver and/or transmitter can thus be designed, for example, as a redundant communication path for a remote control room or the like, in particular so that the tower or complex can be controlled from the control room via the lighting device 1, 111 and/or to provide the control room with information from the tower or complex via the lighting device 1, 111.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

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Applications Claiming Priority (1)

Publications (1)

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Family Applications (1)

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Citations (8)

• 2024
  • 2024-01-19 EP EP24152874.4A patent/EP4589192A1/fr active Pending

Patent Citations (8)

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