EP1063468A1 - Lampe, insbesondere Markierungslampe für hohe, den Flugverkehr beeinträchtigende Hindernisse - Google Patents

Lampe, insbesondere Markierungslampe für hohe, den Flugverkehr beeinträchtigende Hindernisse Download PDF

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Publication number
EP1063468A1
EP1063468A1 EP00401413A EP00401413A EP1063468A1 EP 1063468 A1 EP1063468 A1 EP 1063468A1 EP 00401413 A EP00401413 A EP 00401413A EP 00401413 A EP00401413 A EP 00401413A EP 1063468 A1 EP1063468 A1 EP 1063468A1
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EP
European Patent Office
Prior art keywords
base
lamp
transformer
cylindrical
lamp according
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.)
Withdrawn
Application number
EP00401413A
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English (en)
French (fr)
Inventor
Jean-Marie Huvet
Jean-Christophe Husson
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OBSTA
Original Assignee
OBSTA
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 OBSTA filed Critical OBSTA
Publication of EP1063468A1 publication Critical patent/EP1063468A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • 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
    • 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
    • F21W2111/06—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved

Definitions

  • the present invention relates to a lamp of the type comprising two separable parts, namely a part forming a power supply in electric current, which is provided with a power cord connectable to a source of electric current, and a part forming light source, which has a coupling base electrically and mechanically to the block part supply, the electrical energy required to operate the light source part being supplied thereto through a voltage transformer, said transformer, including its circuit magnetic, being made in two separate parts, namely a part primary and secondary part, the electrical coupling between the base and the power supply part being provided by induction electromagnetic, without any electrical contact.
  • the present invention relates in particular to a lamp of the type defined above, usable as beacon lamp, and more particularly still as a lamp for lighting roofs of buildings, pylons of a cable-stayed bridge or a bridge suspended or any other obstacle to air navigation in elevation.
  • the block part power supply includes a metal case, usually in aluminum, which is made integral with a platform intended for support the beacon lamp and which contains the transformer tension mentioned above.
  • the part forming a light source or lamp itself is plugged into this power supply.
  • the lamp base, usually metallic, of the lamp has an axial pin which is electrically insulated from the metal base.
  • Spindle axial can be engaged in a female housing which is provided in the upper surface of the metal housing of the power supply unit and which is electrically connected to the output of the voltage transformer.
  • the metal base of the lamp is connected to earth by the metal case of the power supply unit on which it comes to bear.
  • the lamp itself is, in known manner, made up of a tube cylindrical outer glass, surrounding a helical coil, in glass, each end of which contains an electrode.
  • One of electrodes is electrically connected to the metal base which, in service, is grounded; the other electrode is electrically connected to the pin axial of the lamp.
  • a thin cylindrical metal grid, placed against the inner wall of the outer glass tube acts as a Faraday.
  • the present invention therefore aims to provide a lamp of the type defined above, in which the risks of oxidation above are deleted, so that the lamp can work properly even in aggressive environments.
  • the present invention also aims to provide a lamp of the type indicated above, which presents no danger to the personnel of maintenance when the lamp itself (the source part light) is removed for verification or replacement.
  • the present invention also aims to provide a lamp of the type indicated above, usable as beacon lamp, the transformer can be manufactured at a lower cost than that of the known beacon lamp described above.
  • the lamp according to the invention does not have no danger for maintenance personnel.
  • said body and said base are cylindrical and have faces opposite each other, which are flat and at least approximately perpendicular to the longitudinal axis of said body and said cylindrical base. Under these conditions, the coupling mechanical between said body and said base can judiciously be made by screwing.
  • said body and said base made of insulating material can each be provided a metal outer socket.
  • One of the two sockets protrudes beyond the corresponding end of the body or base and is threaded internally.
  • the other sleeve is externally threaded and can be screwed into the internally threaded sleeve.
  • each of the primary and secondary parts of said transformer can be formed by a coil placed in a cylindrical ferrite pot, with core central.
  • the ferrite pot of the primary part and the ferrite pot of the secondary part have their openings which face each other and join edge to edge after mechanical coupling of said body and of said base.
  • each metal socket has a dimension longitudinal such that its end furthest from the planar face end of said body or of said base is clearly beyond said transformer. Under these conditions, after screwing the two sockets metallic one inside the other, they form a kind of shielding which surrounds the transformer.
  • the part light source may consist of a discharge lamp comprising, in a manner known per se, an inner glass tube, filled gas and sealed, a cylindrical metal grid, which surrounds coaxially said inner tube and forms a Faraday cage, and a outer cylindrical tube, made of glass, which coaxially surrounds said grid and which is open at its lower end and closed at its upper end by a dome-shaped part with nipple hollow central serving as a centering means for said inner tube in glass.
  • this inner tube can include a central cylindrical part, closed at its ends lower and upper, and a serpentine part which surrounds helically said central cylindrical part and the end of which lower is closed, while its upper end is connected to the central cylindrical part and communicates with it near the upper end thereof, which is extended upwards by an appendage engaged in the hollow stud of the dome of the tube cylindrical outer.
  • the ends lower of said inner cylindrical part, of said part in coil, said grid and said outer cylindrical tube are embedded in the plastic of said base.
  • the cylindrical grid extends down to inside the metal socket of said base.
  • the lamp according to the invention may further comprise a first printed circuit board, which is embedded in the material plastic of said body, and a second printed circuit board, which is embedded in the plastic of said base, between the part secondary of said transformer and the lower ends of said inner cylindrical part and said serpentine part of the tube glass interior, which contain the electrodes of the lamp dump.
  • the first printed circuit board carries a bistable relay having two contacts mobiles mechanically coupled to each other, namely a first movable contact which is closed during normal lamp operation and a second movable contact which is open during normal operation of the lamp and which is connected to an external remote alarm circuit, a electronic chopping device and power regulator, a device rectification and filtering electronics, the input side of which alternating current is electrically connected to said power cord to through the first movable contact of the bistable relay, and whose side DC output is electrically connected to the coil of the part primary of said transformer via an output stage of said electronic chopper and power regulator.
  • the first printed circuit board can also carry a first voltage threshold device which is electrically connected to the coil of the primary part of said transformer and said bistable relay and which, when it detects that the voltage on said coil exceeds one first predefined voltage threshold, sends a trigger signal to the bistable relay to open its first mobile contact and close its second mobile contact.
  • a first voltage threshold device which is electrically connected to the coil of the primary part of said transformer and said bistable relay and which, when it detects that the voltage on said coil exceeds one first predefined voltage threshold, sends a trigger signal to the bistable relay to open its first mobile contact and close its second mobile contact.
  • the first printed circuit board can also carry a second voltage threshold device, which is electrically connected to the side alternating current input from the electronic rectifier and filtering and said bistable relay and which, when it detects that the voltage alternative power drops below a second threshold of predefined voltage, lower than the first voltage threshold, sends a trigger signal to the bistable relay to open its first mobile contact and close his second mobile contact.
  • a second voltage threshold device which is electrically connected to the side alternating current input from the electronic rectifier and filtering and said bistable relay and which, when it detects that the voltage alternative power drops below a second threshold of predefined voltage, lower than the first voltage threshold, sends a trigger signal to the bistable relay to open its first mobile contact and close his second mobile contact.
  • the second printed circuit board can carry a capacitor which is electrically connected on the one hand to one of the ends of the coil of the secondary part of said transformer and, on the other hand, to one of the electrodes of the discharge lamp, the other electrode of said discharge lamp being electrically connected by a conductive track of the printed circuit of the second circuit board printed on the other end of the coil of the abutment of said transformer.
  • the discharge lamp can be designed to emit light red to be able to serve as beacon lamp to be installed at the top an obstacle to elevated air navigation.
  • the lamp 1 shown in Figures 1 and 2 includes a lower part 2 and an upper part 3.
  • the lower part 2 constitutes an electric power supply unit and is provided, at this effect, a power cord 4 can be terminated by a plug 5 which can be plugged into a connected socket, for example, at the 220 V, 50 Hz sector.
  • the lower part 2 of the lamp 1 has a body 6 of plastic, for example polyurethane, which can be fixed by suitable means, by example of the fixing collars, to a support (not shown), by example a pole or a mast fixed on the roof of a building.
  • the upper part 3 of the lamp 1 constitutes the source of light or lamp proper. It can be made up of a discharge lamp 7 which receives the electrical energy necessary for its operation through a voltage transformer 8 ( Figure 2).
  • the discharge lamp 7 is provided with a base 9 which can be coupled electrically and mechanically at the lower part 2 of the lamp 1.
  • the electrical coupling between the upper part 3 and the lower part 2 of the lamp 1 are made in a special manner which will now be described.
  • the body 6 of the lower part 2 is made of a plastic material, for example polyurethane, and it preferably has a cylindrical shape, with an end face upper 6a which is at least substantially planar and perpendicular to the longitudinal axis of the cylindrical body 6.
  • the base 9 is made of a plastic, for example polyurethane and it has, preferably a cylindrical shape, with an end face lower 9a which is at least substantially planar and perpendicular to the longitudinal axis of the cylindrical base 9. In service, the faces end 6a and 9a of the body 6 and the base 9 are mutually contact.
  • the transformer 8 is made in two parts separated, namely a primary part 8a and a secondary part 8b which are embedded respectively in the plastic of the body 6 and in the plastic material of the base 9.
  • each of the primary and secondary parts 8a and 8b of the transformer 8 is constituted by a coil 11a or 11b, which is placed in a cylindrical pot 12a or 12b made of ferrite, fitted with a central core 13a or 13b.
  • the pot 12a is embedded in the plastic of the body 6 so that the edge of the opening of the pot 12a and the front face of its central core 13a are flush with the face upper end 6a of the body 6 and centered relative to this face, as we will see later.
  • the pot 12b is embedded in the plastic material of the base 9 so that the edge of its opening and the front face of its central core 13b are flush with the face lower end 9a of base 9 and centered with respect to this way in a manner which will be described later.
  • the primary coil 1a is connected to the power cord 4 by through circuits which will be described in detail later and which are carried by a printed circuit board 14a also embedded in the plastic of the body 6.
  • the coil secondary 11b is connected to the discharge lamp 7 by circuits which will be described in detail later and which are carried by another printed circuit board 14b also embedded in the material plastic base 9.
  • the discharge lamp 7 is functionally coupled to the part lower 2 forming electromagnetic induction power pack through the two parts 8a and 8b of the transformer 8, without any electrical contact.
  • the two parts 6b and 9b are made of a softer plastic than that of the remaining part of the body 6 or of the base 9, for example of a resin silicone.
  • parts 6b and 9b have a thickness, measured in the radial direction, significantly smaller than that of the remaining part of the body 6 or of the base 9, it is not absolutely essential that part 6b and / or part 9b is in a material softer than the material of the remaining part of the body 6 or of the base 9 if the latter material is both rigid enough to ensure good mechanical strength of the body 6 or of the base 9, while allowing slight displacements of one or the other of the two pots 12a and 12b by elastic deformation of the plastic when the two pots 12a and 12b are pressed against each other.
  • body 6 and base 9 are each provided with a socket metallic 15 or 16, for example stainless steel, which can assemble to each other by screwing.
  • a socket metallic 15 or 16 for example stainless steel, which can assemble to each other by screwing.
  • One of the two sockets 15 and 16, e.g. socket 16 protrudes beyond the end bottom 9a of the base 9 and is provided with an internal thread.
  • the other socket 15 is provided with an external thread and can be screwed into socket 16, as shown in figure 2.
  • the two sockets 15 and 16 preferably have a longitudinal dimension such that their end furthest from face 6a or 9a of body 6 or base 9 is clearly beyond transformer 8. So after assembly of the two sockets 15 and 16, these form a sort of shielding around the transformer 8.
  • the discharge lamp 7 comprises, in a manner known per se, a inner tube 17, made of glass, filled with gas and sealed, a grid cylindrical metal 18, which coaxially surrounds the inner tube 17 and forms a Faraday cage, and an outer cylindrical tube 19, in glass, which coaxially surrounds the grid 18.
  • the outer tube 19 is open at its lower end 19a and closed at its end upper part by a dome-shaped part 19b, which has a stud hollow center 19c serving, as will be seen below, as a means of centering for the inner tube 17.
  • the inner tube 17 itself comprises a cylindrical part central 17a, which is closed at its lower and upper ends, and a serpentine part 17b, which helically surrounds said part central cylindrical 17a.
  • the lower end of the coil 17b is closed and contains one 21 of the two electrodes 21 and 22 of the discharge lamp 7, the other electrode 22 (not shown in the Figure 2, but visible in Figure 7) being housed in the end closed bottom of the central cylindrical part 17a of the inner tube 17.
  • the upper end of the serpentine part 17b is connected to the central cylindrical part 17a near the upper end of it and it communicates with it.
  • the upper end of the central cylindrical part 17a is extended upwards by a appendix 17c which engages in the hollow stud 19c of the dome 19b of the outer cylindrical tube 19.
  • Appendix 17c is capped by a shim mechanical 23 in the shape of a frustoconical hat, which gets stuck the interior of the hollow stud 19c, thus ensuring the centering of the tube inner 17 relative to the outer tube 19.
  • the upper end of the metallic cylindrical grid 18 is sandwiched between the wedge 23 and the internal wall of the hollow stud 19c.
  • the lower ends of the central cylindrical part 17a, of the serpentine part 17b, of the grid 18 and the outer cylindrical tube 19 are embedded in the material plastic of the base 9.
  • the grid 18 extends downwards to the interior of the socket 16, as shown in FIG. 2.
  • the two electrodes 21 and 22 of the discharge lamp 7 are electrically connected by conductors 24 and 26 respectively to terminals 27 and 28, for example screw and nut terminals, carried by the printed circuit board 14b (only the conductor 24 and the terminal 27 are shown in Figure 2, but conductor 26 and terminal 28 are visible in figure 7).
  • the two ends 29 and 31 ( Figure 3) of the wire conductor forming the secondary coil 11b are connected respectively at terminals 32 and 33 (figure 7) of the circuit board printed 14b.
  • Terminals 32 and 33 can be, for example, formed by metallized areas of the printed circuit of the wafer 14b, to which the conductors 29 and 31 are welded.
  • the ends 34 and 35 ( Figures 4, 5 and 6) of the conductor forming the coil primary 11a are connected, for example soldered, to terminals or metallized areas 36 and 37 of the printed circuit of the wafer 14a.
  • the level of the resin inside the outer tube 19 of the discharge lamp 7 is below the level reached by the resin at the outside of said tube. This is due to the fact that when we pour the resin by simple gravity, the resin which rises inside the tube 19 compresses the air trapped in this tube, and the air pressure opposes the rise of the resin in the tube.
  • the lower part 2 of the lamp 1 according to the invention can be performed in a manner similar to that described above at About the top 3.
  • the sub-assembly constituted by the primary coil 11a and by the 12a ferrite pot is first placed on the flat bottom of a cavity circular 45 formed in the surface of a plate 46, which can be possibly the same plate as the plate 41 of FIG. 3 or a other tray.
  • the cavity 45 is threaded on its inner contour and has, in the center of its flat bottom, a centering pin 47 by means from which the pot 12b can be centered in the cavity 45.
  • the conducting wires 34 and 35 of the primary coil 11a are connected (soldered) to the printed circuit board 14a, then a cylindrical mold 49 is placed around the sleeve 15.
  • the mold 49 has a substantially greater axial length than that of the sleeve 15, so that when it is supported by its lower end on the tray 46, its upper end is at a higher level as the upper end of the printed circuit board 14a.
  • resin is then poured into the mold 49 until it is completely filled and that the printed circuit board 14a thus that part of the power cord 4 are embedded in the resin. When the latter has set, remove the mold 49 and unscrew the sleeve 15 in order to detach it from the plate 46. We then obtain the part lower part of the lamp 1 according to the invention.
  • the flexible resin was poured around each of the two ferrite pots 12a and 12b, but we could only plan around one of the two ferrite pots.
  • the plate 14a carries a electronic rectifying and filtering device 51, the side of which AC input is connected, on the one hand, directly to a terminal 52 and, on the other hand, via a first contact mobile 53 from a bistable relay 54, to another terminal 55.
  • the two wires of the power cord 4 are connected to terminals 52 and 55.
  • the plate 14a may comprise, next to the two terminals 52 and 55, another terminal for the connection of this earth wire.
  • the DC output side of the electronic device rectification and filtering 51 has a positive pole which is connected directly to terminal 36 already mentioned above, and a negative pole which is connected on the one hand to earth and on the other hand to terminal 37 already mentioned more high, via a shunt resistor 57 and the source-drain path of a field effect transistor 58, connected in series.
  • moving contact 53 of the relay bistable 54 is closed, so that the primary coil 11a of the transformer 8 is supplied with current through the device rectification and filtering electronics 51, resistor 57 and source-drain path of the field effect transistor 58.
  • This transistor 58 constitutes the output stage of a chopping electronic device and power regulator 59 which keeps the chopped current constant circulating in the primary coil 11a whatever the value of the alternating input voltage (between 150 and 280 V approximately).
  • These measures electronics 59 includes an operational amplifier 61 in series with a converter 62 passing from a direct current to a pulsed current at 25 kHz.
  • the two amplifier inputs operational 61 are connected respectively to point 63 on the side input of the electronic rectifying and filtering device 51 and at point 64 between the shunt resistor 57 and the transistor 58.
  • the output of the converter 62 is connected to the trigger of transistor 58.
  • the printed circuit board 14a further carries a first voltage threshold device 65, the input of which is connected at point 66 between terminal 37 and transistor 58, and whose output is connected to a first control input 67 of the bistable relay 54.
  • the voltage threshold device 65 monitors the voltage on the coil primary 1 la of transformer 8 in order to detect if it is not too big. Indeed, too much tension at point 66 reveals that the discharge lamp 7 is missing or defective. If the voltage at point 66 reaches or exceeds a first predefined voltage threshold, for example 600 V, the voltage threshold device 65 acts on the bistable relay 54 in order to cause the opening of its first movable contact 53 and, simultaneously closing a second mobile contact 68 of the relay bistable, which is mechanically connected to the first movable contact 53.
  • a first predefined voltage threshold for example 600 V
  • the supply current of the discharge lamp 7 is cut by contact 53 so as not to leave the circuit energized, which constitutes additional security for maintenance personnel, and also so as not to have to oversize the components in because of the voltages reached in the absence of a lamp, voltages which can reach 1 kV.
  • the second mobile contact 68 closes a circuit remote alarm to signal the detected fault.
  • the two sons 69 of this external remote alarm circuit are connected respectively at terminals 71 and 72 of the printed circuit board 14a and they can be included in the same cord as the cord wires 4, or in a separate cord from the power cord 4.
  • the printed circuit board 14a further carries a second voltage threshold device 73 whose input is connected at point 63 mentioned above and whose output is connected to a second input of command 74 of the bistable relay 54.
  • This second device with a threshold of voltage 73 is intended to detect whether the alternating supply voltage drops below a second predefined voltage threshold, for example 140 V, and, if this happens, it causes contact 53 to open and the contact 68 of relay 54 closed.
  • a discharge lamp such as the discharge lamp 7 described above malfunctions if the alternating supply voltage drops below a certain voltage value and in this case it is also desirable to cut the lamp supply current and report this fault.
  • Relay 54 is a bistable relay, as already indicated, so it must be reset when a fault has been detected. This can be done by cutting off the power supply for a few seconds, for example using a on / off (not shown) located in the upstream supply circuit of sheet 5.
  • the printed circuit board 14b carries a capacitor 75, the armatures of which are connected respectively at terminals 27 and 32 already mentioned above, as well a conductive track 76 which directly connects the terminals 28 and 33 already mentioned above.
  • the lamp with discharge 7 can be, for example, a lamp filled with a gas such as the lamp emits red light when it is switched on, so so that the lamp can be used as a beacon lamp to be installed by example on the roof of a tall building or at the top of any other obstacle to elevated air navigation.
  • the primary coil 11a has an outside diameter of 30 mm and it has 54 turns of conductive wires of 30/100 mm of diameter.
  • the secondary coil 11b has the same outside diameter and it can include 329 turns in conductive wires of 12.5 / 100 mm diameter.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP00401413A 1999-06-24 2000-05-23 Lampe, insbesondere Markierungslampe für hohe, den Flugverkehr beeinträchtigende Hindernisse Withdrawn EP1063468A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9908069A FR2795483B1 (fr) 1999-06-24 1999-06-24 Lampe, en particulier lampe de balisage pour obstacles a la navigation aerienne en elevation
FR9908069 1999-06-24

Publications (1)

Publication Number Publication Date
EP1063468A1 true EP1063468A1 (de) 2000-12-27

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Application Number Title Priority Date Filing Date
EP00401413A Withdrawn EP1063468A1 (de) 1999-06-24 2000-05-23 Lampe, insbesondere Markierungslampe für hohe, den Flugverkehr beeinträchtigende Hindernisse

Country Status (2)

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EP (1) EP1063468A1 (de)
FR (1) FR2795483B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002035578A1 (en) * 2000-10-27 2002-05-02 Microlights Limited Electrical lighting system
WO2003031263A1 (de) * 2001-10-05 2003-04-17 Siemens Aktiengesellschaft Mobiles überflurfeuer
WO2003092329A2 (en) 2002-04-26 2003-11-06 Access Business Group International Llc Inductively powered lamp assembly
WO2004097866A1 (en) * 2003-05-02 2004-11-11 George Alan Limpkin Apparatus for supplying energy to a load and a related system
EP3150911A1 (de) * 2015-10-02 2017-04-05 Hella KGaA Hueck & Co. Beleuchtungsanordnung
EP3299712A1 (de) * 2016-09-22 2018-03-28 Induperm A/S Beleuchtungsanordnung für flughäfen, insbesondere ein unterflurfeuer

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Publication number Priority date Publication date Assignee Title
US1907295A (en) * 1928-08-02 1933-05-02 Connecticut Telephone & Elec Signal light
FR1302259A (fr) * 1961-10-03 1962-08-24 Strong Electric Corp Appareil alimenté par induction
FR2266101A1 (en) * 1974-03-28 1975-10-24 Sachs Systemtechnik Gmbh Low voltage supply for fairy lights etc - uses ultrasonic transformer for reducing mains voltage
EP0134266A1 (de) * 1983-06-02 1985-03-20 Sintec Ag Leuchtsäule für den Strassenverkehr

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1907295A (en) * 1928-08-02 1933-05-02 Connecticut Telephone & Elec Signal light
FR1302259A (fr) * 1961-10-03 1962-08-24 Strong Electric Corp Appareil alimenté par induction
FR2266101A1 (en) * 1974-03-28 1975-10-24 Sachs Systemtechnik Gmbh Low voltage supply for fairy lights etc - uses ultrasonic transformer for reducing mains voltage
EP0134266A1 (de) * 1983-06-02 1985-03-20 Sintec Ag Leuchtsäule für den Strassenverkehr

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7474058B2 (en) 1999-06-21 2009-01-06 Access Business Group International Llc Inductively powered secondary assembly
US7153178B2 (en) 1999-06-21 2006-12-26 Access Business Group International Llc Method of manufacturing a lamp assembly
US6731071B2 (en) 1999-06-21 2004-05-04 Access Business Group International Llc Inductively powered lamp assembly
US6812645B2 (en) 1999-06-21 2004-11-02 Access Business Group International Llc Inductively powered lamp assembly
US6831417B2 (en) 1999-06-21 2004-12-14 Access Business Group International Llc Method of manufacturing a lamp assembly
US6917163B2 (en) 2000-06-12 2005-07-12 Access Business Group International Llc Inductively powered lamp assembly
GB2372380B (en) * 2000-10-27 2003-02-12 Microlights Ltd Improvements in and relating to an electrical lighting system
WO2002035578A1 (en) * 2000-10-27 2002-05-02 Microlights Limited Electrical lighting system
GB2372380A (en) * 2000-10-27 2002-08-21 Microlights Ltd An electrical lighting system with an inductively coupled power supply
WO2003031263A1 (de) * 2001-10-05 2003-04-17 Siemens Aktiengesellschaft Mobiles überflurfeuer
CN101881385B (zh) * 2002-04-26 2015-05-20 通达商业集团国际公司 感应电力灯组件
CN101684901B (zh) * 2002-04-26 2012-09-26 通达商业集团国际公司 感应电力灯组件
WO2003092329A2 (en) 2002-04-26 2003-11-06 Access Business Group International Llc Inductively powered lamp assembly
CN101555999B (zh) * 2002-04-26 2013-06-19 通达商业集团国际公司 感应电力灯组件
CN1631060B (zh) * 2002-04-26 2010-05-12 通达商业集团国际公司 感应电力灯组件
EP2079286A3 (de) * 2002-04-26 2010-01-27 Access Business Group International LLC Induktiv betriebene Lampeneinheit
EP2079286A2 (de) 2002-04-26 2009-07-15 Access Business Group International LLC Induktiv betriebene Lampeneinheit
EP2079093A2 (de) 2002-04-26 2009-07-15 Access Business Group International LLC Induktiv betriebene Lampeneinheit
WO2003092329A3 (en) * 2002-04-26 2004-09-16 Access Business Group Int Llc Inductively powered lamp assembly
EP2079093A3 (de) * 2002-04-26 2010-01-27 Access Business Group International LLC Induktiv betriebene Lampeneinheit
AU2004235543B2 (en) * 2003-05-02 2009-03-12 George Alan Limpkin Apparatus for supplying energy to a load and a related system
US7646279B2 (en) 2003-05-02 2010-01-12 Limpkin George A Apparatus for supplying energy to a load and a related system
CN1781168B (zh) * 2003-05-02 2011-06-29 乔治·阿兰·林普金 为负载供给能量的装置及相关系统
GB2416248A (en) * 2003-05-02 2006-01-18 George Alan Limpkin Apparatus for supplying energy to a load and a related system
WO2004097866A1 (en) * 2003-05-02 2004-11-11 George Alan Limpkin Apparatus for supplying energy to a load and a related system
GB2416248B (en) * 2003-05-02 2007-02-21 George Alan Limpkin Apparatus for supplying energy to a load and a related system
EP3150911A1 (de) * 2015-10-02 2017-04-05 Hella KGaA Hueck & Co. Beleuchtungsanordnung
EP3299712A1 (de) * 2016-09-22 2018-03-28 Induperm A/S Beleuchtungsanordnung für flughäfen, insbesondere ein unterflurfeuer

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FR2795483B1 (fr) 2001-09-21
FR2795483A1 (fr) 2000-12-29

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