EP0240736B1 - Vorschaltgerät oder Transformator, insbesondere für Entladungslampen - Google Patents

Vorschaltgerät oder Transformator, insbesondere für Entladungslampen Download PDF

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Publication number
EP0240736B1
EP0240736B1 EP87103220A EP87103220A EP0240736B1 EP 0240736 B1 EP0240736 B1 EP 0240736B1 EP 87103220 A EP87103220 A EP 87103220A EP 87103220 A EP87103220 A EP 87103220A EP 0240736 B1 EP0240736 B1 EP 0240736B1
Authority
EP
European Patent Office
Prior art keywords
ballast
transformer according
structural unit
contacts
pairs
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.)
Expired - Lifetime
Application number
EP87103220A
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German (de)
English (en)
French (fr)
Other versions
EP0240736A1 (de
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vossloh Schwabe GmbH
Original Assignee
Vossloh Schwabe GmbH
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 Vossloh Schwabe GmbH filed Critical Vossloh Schwabe GmbH
Priority to AT87103220T priority Critical patent/ATE64806T1/de
Publication of EP0240736A1 publication Critical patent/EP0240736A1/de
Application granted granted Critical
Publication of EP0240736B1 publication Critical patent/EP0240736B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/94—Holders formed as intermediate parts for linking a counter-part to a coupling part
    • H01R33/942—Holders formed as intermediate parts for linking a counter-part to a coupling part for tubular fluorescent lamps
    • 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

Definitions

  • the invention relates to a ballast or a transformer, in particular for discharge lamps, with a choke consisting of a magnetic core and at least one winding arranged thereon and a first pair of primary contacts for connection to the supply voltage, and a second pair of secondary contacts for connecting a consumer, the choke is designed as a structural unit with the two contact pairs.
  • the first pair of contacts are designed as a commercially available lamp holder and the second pair of contacts as a commercially available lamp base, so that the ballast can be screwed into a corresponding lamp holder instead of a light bulb.
  • the magnetic core consists of ring-shaped, laminated iron sheet; it is designed with a radially extending air gap and carries a ring winding.
  • the choke coil which is thus essentially ring-shaped, together with the first and the second contact pair, ie the lamp holder and the lamp base, form a structural unit united, the lamp base arranged above and with the lamp holder lying on an axis and the lamp holder is concentrically surrounded by the annular choke coil.
  • Such an adapter unit which has become known in several embodiments in a design which is similar in principle (DE-OS 32 O4 282, DE-OS 34 O2 379), is basically only suitable for the purposes for which the respective lamp holder and the respective lamp base are determined. Even if, for example, a different socket must be used instead of a screw thread lamp socket, this must be taken into account in the manufacture of the entire adapter device, because these elements form part of the structural unit. However, this means that on the one hand a number of different types of adapter ballasts must be kept in stock, and on the other hand that the devices and in particular the choke cannot be mass-produced in large quantities, for which purpose identical parts are a requirement.
  • the arrangement of the lamp holder, which forms the secondary-side contact pair, in the space enclosed by the ring inductor entails problems with regard to heat dissipation.
  • the object of the invention is therefore to create such a ballast or such a transformer, in particular for discharge lamps, which allows mass production, in particular of the choke coil, with little manufacturing effort and can be adapted without difficulty and without great effort to the most varied conditions of the particular application during manufacture or assembly.
  • the ballast or transformer mentioned at the outset is characterized in that the structural unit containing the choke is designed to fasten an optionally attached primary-side and secondary-side connection part, of which the primary-side connection part is electrical connection means for a supply voltage source and the secondary-side connection part is electrical Connection means for the consumer has that the two contact pairs of the unit are assigned corresponding counter contacts on the connection parts which are electrically connected to the respective connection means, the contact pairs of the unit and the counter contacts of the connection parts being at least partially resilient, and that in connection parts attached to the unit the mating contacts of the connecting parts electrically connected to the contact pairs together with the contact pairs of the connecting parts and the modular unit t are covered electrically insulated from the outside.
  • the unit which essentially only contains the throttle, can be cheaply produced in large quantities with the same structure, since it always has the same structure.
  • this can entire device can be adapted to the requirements of the respective application in a simple manner, so that there is a universal use.
  • This optional combination option of the different connection parts with the same structural unit eliminates the otherwise inevitably existing variety of types of known single-purpose devices, with which a substantial reduction in production costs can be achieved.
  • the so-called miniature fluorescent lamps in particular, can be operated universally by a corresponding choice of the connecting parts to be attached to the structural unit, and there is also a largely free design option with regard to the coupling with the supply voltage source, without the production costs being adversely affected thereby.
  • connection pairs of the unit and the mating contacts of the connection parts can, at least partially, be designed in the form of interacting plug contacts, so that the connection parts only need to be plugged onto the unit, and they can then be mechanically connected to the unit to increase stability.
  • the structural unit itself can be designed as a body, except for the contact pairs, which is surrounded on all sides by insulating material and which carries fastening devices for the connecting parts.
  • the structural unit is designed in the form of a flat disk, but it is also conceivable to design it, for example, in the form of an elongated body for special purposes.
  • the structural unit has at least one surface which is set up for attaching a connecting part and in whose area at least one contact pair is arranged. If, as mentioned, the structural unit is designed in the form of a flat disk, the two flat end faces of the disk can be set up for attaching the connecting parts, a pair of contacts then being arranged in the region of each end face.
  • the outer outline shape of the unit can adapt to the requirements of the respective application; Very simple and universally applicable conditions result when the structural unit is essentially cylindrical.
  • the throttle can be encapsulated with a plastic material forming the envelope and in this way form the aforementioned body, which is encased on all sides by insulating material.
  • the throttle can also be arranged in its own housing, in the walls of which the contact pairs are provided and which may have the fastening devices for the connecting parts.
  • the throttle can be cast with casting or impregnating resin.
  • connection parts can be permanently connected to the assembly, for example glued, during assembly.
  • the structural unit has devices for correct, releasable attachment of the connecting parts.
  • different connection parts can also be attached to the structural unit by the user of the device.
  • the throttle is designed with a layered jacket core, by means of which the winding is enclosed on all sides except for the end windings.
  • a choke is easier to manufacture than a toroidal core choke with a ring winding.
  • the arrangement can be such that the jacket core is flat and the winding heads adjoining it, the choke are approximately shaped on the outline of a cylindrical disk. This results in a particularly good use of space, which in turn increases small dimensions of the entire unit leads.
  • the simplification of the production also contributes if at least one contact of at least one contact pair is arranged in an insulating molded part that insulates the associated winding head against the core. This means that no additional mounting arrangements for this contact are required in the insulating material covering of the structural unit which may be formed by a housing.
  • the ballast is usually only in a supply line to the associated fluorescent lamp.
  • the assembly conditions are considerably facilitated if one contact of the two contact pairs is formed by an electrical connecting bridge inserted into the structural unit, which forms the other supply line for the consumer.
  • This connecting bridge can also be designed as an optionally interchangeable temperature fuse.
  • the connecting parts on the structural unit can also optionally be attached in one of several different positions.
  • the primary-side and the secondary-side connection means of the corresponding connection parts can be arranged coaxially or at an angle, in particular at right angles, to one another.
  • the second case comes into question, for example, in the case of lights in which the small fluorescent lamp is arranged in the manner of a candle.
  • the primary-side connection part can be a lamp base or a standard plug as connection means or have a connection plate or cap with a cable entry and cable clamps, so that the device, depending on the connection part used, either inserted in a standard light bulb socket or in a standard socket or, for example, as a small lamp with a supply cable, or as a hanging lamp etc. can be used.
  • the unit with its primary-side connection part can also be designed as a lamp canopy or have it arranged in such a way.
  • the secondary-side connection part can have a lamp holder or plug-in coupling as connection means or in turn a connection plate or cap carrying a cable entry and line terminals, as is also possible for the structural unit and / or the secondary-side connection part with a device for fastening a lamp glass or screen is provided.
  • the primary-side and / or the secondary-side connection parts have a connection plate or cap that can be attached to the structural unit, and the connection means are fastened to this via at least one support arm. In this way, multi-lamp lights or the like can be built up immediately.
  • ballasts are preferably, but not exclusively, usable for consumers in the form of fluorescent tubes. If the winding of the structural unit is designed accordingly, such devices can also be used as small transformers, for example for the power supply of low-voltage devices (desktop computers, etc.). The collective term “choke” is therefore also understood to mean a transformer if the windings are connected appropriately.
  • the so-called adapter ballast for discharge lamps shown in FIG. 1 in a first embodiment has an assembly 1 containing the choke and constructed in the manner of a cylindrical disk, which has two parallel, flat end faces 2 that are opposite one another in comparison to the diameter of the disk carries, on which a primary-side connector 3 and - opposite - a secondary-side connector 4 are placed.
  • the two connecting parts 3, 4 are made as molded parts from insulating material and each is provided with a disk-shaped, essentially cylindrical flange 5, which has screw holes 6 at two opposite points near its edge. Screws 7 are inserted into the screw holes 6, which are screwed into assigned screw holes 8 (FIG. 3) in the region of the respective end face 2 of the assembly 1 and through which the respective connecting part 3 or 4 is firmly connected to the assembly 1.
  • the primary-side connection part 3 carries electrical connection means for a supply voltage source in the form of a standard lamp base 9, while the secondary-side connection part 4 is designed in the form of a standardized socket 11 with electrical connection means for a small fluorescent lamp 10 (see, for example, FIG. 16) .
  • the connection means 9,1O are arranged coaxially to one another; their common axis is indicated at 12 in Fig. 1.
  • the assembly 1 is provided in the region of each of its two end faces 2 with a contact pair 13 which is formed by two parallel plug pins 13a, 13b which project over the end face and are arranged symmetrically to the axis 12 on a common diameter.
  • a contact pair 13 which is formed by two parallel plug pins 13a, 13b which project over the end face and are arranged symmetrically to the axis 12 on a common diameter.
  • one connector pin 13a of a pair of contacts 13 is connected to the winding of the choke of the assembly 1 to be described, while the other connector pin 13b is part of an electrical connecting bridge which acts as a temperature fuse 14 (FIG. 9 ) is trained.
  • the plug pins 13a and 13b are each arranged in pairs coaxially to one another on both end faces 2 and each form parts of a plug connection, which are assigned to mating contacts 3, 4 on the connecting parts. These mating contacts are formed by contact springs 15 (FIG. 2) which are inserted in the area of the flanges 5 in corresponding shaped recesses 16 in the connecting parts 3, 4. Each of the contact springs 15 is designed in the manner of a plug socket and, when the connecting parts 3, 4 are placed on the structural unit 1, is aligned with an associated plug pin 13a or 13b and coupled to it.
  • the contact springs 15 are connected to the two contacts 19, 20 of the contact means 9 in the form of a lamp base via screw terminals 17 and flexible insulated connecting lines 18.
  • connection part 4 on the secondary side is correspondingly designed on the side facing the structural unit 11 such that the illustration according to FIG. 2 also corresponds to a top view of the flange 5 of the connection part 4.
  • the connecting lines 18 are connected in this case to the connection springs 21 shown in dashed lines in FIG. 1 of the lamp socket 11 which forms the secondary connection means.
  • guide ribs 22 are formed on the structural unit 1 in the region of the two end faces 2 with their outer surfaces on a common circular arc, which engage an associated edge 23 of the flange 5 when the connecting parts 3, 4 are attached, and thus the connecting parts 3, 4 on the structural unit 1 form-fit and center.
  • the guide ribs 22 can also be omitted in certain embodiments, in which case the plug pins 13a, 13b, which engage in corresponding plug sockets on the connecting parts 3, 4, take over the mechanical guidance and centering of the connecting parts 3, 4 during assembly.
  • three screw holes 8 are provided on the structural unit 1 in the area of each end face 2 on both sides, which are arranged next to one another. In this way it is possible to attach a cable clamp to the structural unit 1 during assembly for the strain relief.
  • screw or solder contacts can of course also be used if this should be expedient in individual cases. If, as described, plug contacts are used, the flexible, insulated connecting lines 18 can optionally also be replaced by fixed wiring.
  • the details of the construction of the structural unit 1 can be gathered in particular from FIGS. 3 to 9:
  • the disk-shaped unit with a relatively small axial extent presents itself as a body that is externally encased except for the contact pairs 13 on all sides by insulating material, which carries with the screw holes 8 and the guide ribs 22 fastening devices for the connecting parts 3, 4. With its two end faces 2, this body has to be attached of the connecting parts 3, 4 serving flat, smooth surfaces, in the areas of which a contact pair 13 is arranged.
  • the assembly 1 contains a throttle 25 which is accommodated in a smooth-walled, can-like plastic housing 24 and which can also be cast in the plastic housing 24 with impregnating or casting resin.
  • the throttle 25 has a layered jacket core of the U / T type, the T-shaped core sheets designated 26 and arranged between the legs of the U-shaped core sheets 27.
  • the winding 28 placed on the center leg of the T-shaped core sheets 26 is enclosed on all sides except for the winding heads 29 (FIG. 6) by the core sheets 26, 27.
  • An air gap 29 is formed between the middle leg of the T-shaped core sheets 26 and the opposite leg of the U-shaped core sheets 27, the size of which is predetermined in accordance with the required impedance.
  • the T-shaped core sheets 26 are each formed in the region of the free end face of their middle leg with a recess in the form of an open groove 30, into which a pin 31 cut to the opposite leg of the U-shaped core sheets 27 is pressed.
  • the T-shaped core sheets 26 are positively clamped to the U-shaped core sheets 27 in the region of the middle leg via this pin connection, so that a mechanically stable structure of the core sheet stack and thus of the entire throttle 25 is obtained.
  • the magnetic flux running over the pins 31 of the individual sheets drives the pins into saturation because of their small cross-sectional dimensions, with the result that the effectiveness of the air gap 29 is hardly influenced.
  • further air gaps can be provided in the region of the end faces of the transverse leg of the T-shaped core sheets 26 at 32 if this should be necessary in view of the harmonic content.
  • the throttle 25 is guided in the housing 24 with its laminated core laterally between two continuous pillars 33, which represent an assembly aid and at the same time contain the screw holes 8 (FIG. 5).
  • Insulating material molded parts 34 are placed on both sides of the laminated core, which are essentially H-shaped in cross section and which accommodate the winding heads 29 and insulate them from the outside and from the core parts 26, 27.
  • the Isolierstoffformmaschine 34 are approximately circular in shape on their outer circumferential surface such that, together with the laminated core, they adapt the outline shape of the inductor 25 to the cylindrical shape and thus the flat, cylindrical disk shape of the structural unit 1.
  • the insulating plastic molded parts 34 carry on one side the plug pins 13a embedded at 35 (FIG.
  • each molded part 34 is formed with a through bore 36, in the manner shown in FIG. 9 that together with the plug pins 13b, an electrical connecting bridge forming temperature fuse element 14 is inserted, the connector pins 13b protrude through the bottom and the cover of the housing 24.
  • the temperature securing element 14 can also be inserted interchangeably into the bore 36; depending on the intended use of the device, it can also be replaced by a simple, continuous connecting bridge in the manner of a solid bolt.
  • the arrangement can also be such that the throttle 24 is directly encapsulated or encapsulated with plastic material, the principle of which is the same as that explained with reference to FIGS. 3-9 has been.
  • the structural unit 1 can naturally have any external shape suitable for the intended use.
  • plate-like bodies with four or more corners are conceivable, as it is also possible to produce the structural unit 1 in the form of an elongated prismatic body, for example by placing the connecting parts 3, 4 on the narrow sides of such a body.
  • the assembly 1 is set up for attaching connecting parts 3, 4 of the type described.
  • the connecting parts 3, 4 attached to the always identical component 1 with its contact pairs 13 are the respective intended use of the device designed accordingly. Examples of this are illustrated in FIGS. 10 - 16:
  • connection means 9a in the form of a Schuko plug, the plug pins 4O of which in the manner shown in FIG Inside the flange 5 arranged contact springs 15 are connected.
  • connection of the connecting part 3 a to the structural unit 1 is again carried out by means of screws 7.
  • An essentially cylindrical cover plate or cap 41 which is in principle formed by the flange 5 of the connection part 4 (FIG. 1), is placed on the associated end face 2 of the disk-like structural unit 1 as the secondary-side connection part 4a.
  • the end plate 41 has an insertion opening 42 for an electrical line 43, which is fastened at 44 to the cover plate 41 with strain relief and the wires of which are connected to the contact springs 15 which form the counter-contacts.
  • identical parts corresponding to FIG. 2 are provided with the same reference numerals, so that a further explanation is unnecessary in this respect.
  • a line containing a fluorescent tube can be connected to the consumer Hand lamp or the lamp holder of a pendant lamp.
  • the choke 25 is designed and switched as a transformer, so that the entire device, if appropriate together with a rectifier accommodated under the cap-like cover plate 41, can also be used as a power supply unit for supplying power to a low-voltage consumer, for example one Desktop calculator, can be used.
  • the embodiment according to FIG. 13 has the same design as that according to FIG. 1 on the primary side.
  • the same parts are again provided with the same reference numerals.
  • the secondary-side connecting part 4b basically has the design of the cover plate 41 according to FIGS. 10, 11; it is provided with the contact springs 15 forming the counter-contacts, which is not shown in detail in FIG. 13.
  • a laterally approximately radially extending arm 45 is formed, which carries as a connection means a lamp holder 46, into which a small fluorescent tube 47 is inserted with its base 48. 11, which is connected on the one hand to the contact springs 15 and on the other hand to the contacts of the lamp holder 46.
  • the arrangement is such that the axes of the lamp base 9 forming the primary connection means and the lamp holder 46 forming the secondary connection means run at right angles to one another.
  • the cover plate 41 can also be fastened to the structural unit 1 in any angular position in the manner already described with reference to FIGS. 1 - 10, the small fluorescent lamp 47 can be aligned according to the respective needs.
  • the embodiment according to FIG. 12 basically corresponds to a combination of the embodiments according to FIGS. 1 and 10; corresponding parts are designated with the same reference numerals as in these figures.
  • the primary-side connection part 3a is formed with connection means 9a in the form of a Schuko plug; the secondary-side connector 4 is, as shown in Fig. 1, formed with connection means in the form of a lamp jack, not shown, into which a small fluorescent lamp 10 is inserted with its socket 49.
  • a connecting part 3c is attached to the unit 1 on the primary side, which corresponds in its basic structure to the cover plate 41 according to FIG. 11, with the difference that the line 43 is introduced coaxially to the axis 12, a strain relief for line 43 is provided at 50.
  • connection part 4c on the secondary side is provided as a connection means 11c with a lamp holder for a small fluorescent tube, similar to the small fluorescent tube 10, which is not shown in further detail.
  • the lamp holder has on its outside a screw thread 51, which allows a lampshade to be attached directly to the connecting part 4c by means of a known screw ring. The entire device is therefore particularly suitable for use in the manufacture of hanging lamps.
  • FIG. 15 also serves the same purpose, in which connecting parts 3d, 4d are attached to the structural unit 1 on both sides, which in their basic structure correspond to the cover plate 41 according to FIGS. 10, 11 and therefore no longer in the following must be explained.
  • the primary-side upper connection part 3d carries a fastening eyelet 53, by means of which it can be fastened to a ceiling hook 54.
  • the lower connecting part 4d is screwed to a strain relief bracket 55 at 56, on which the electrical line 43 is held by a loop at 57 strain relief.
  • a lamp holder Connected to line 43 is a lamp holder, not shown, which optionally carries a lampshade and into which a fluorescent tube with a corresponding lamp base is inserted.
  • the assembly 1 with the two connecting parts 3d, 4d is accommodated in a lamp canopy 58, which is fixed to the line 43 by means of a clamping screw 59 in a known manner and which receives and covers the entire ballast.
  • connection part 4 has connection means in the form of a lamp socket, into which the small fluorescent tube 10 with its lamp base 49 is inserted.
  • a bayonet catch 60 is formed on the connection part 4 next to the flange 5, into which a lamp glass 61 with bayonet catch parts 62 molded on the inside engages.
  • the primary-side connector 3e is equipped as a connector 9e with a Swan lamp base.
  • a structural unit 1 containing the choke 25 is always provided, which, seen from both end faces 2, is symmetrical its central plane is formed.
  • Any primary and secondary connection units 3, 4, etc., whose counter-contacts always interact with the contact pairs 13 of the assembly 1, can be attached to both end faces 2.
  • the connection parts can be connected to the structural unit 1 in a detachable manner by means of the screws 7 or other corresponding fastening devices or elements, or in a non-detachable manner, for example by gluing or joint molding around with plastic material etc.
  • the contact pairs 13 and the contact springs 15 forming the counter-contacts are in any case covered by the flange 5 of the connecting parts and the structural unit 1 itself insulated from all sides.
  • connection part 4 for example of FIG. 1, which carries a plug-in lamp socket 11 as the connection means, can of course also be designed in such a way that the connection means can be formed by a plug-in coupling set up to receive a standard plug.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP87103220A 1986-04-03 1987-03-06 Vorschaltgerät oder Transformator, insbesondere für Entladungslampen Expired - Lifetime EP0240736B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87103220T ATE64806T1 (de) 1986-04-03 1987-03-06 Vorschaltgeraet oder transformator, insbesondere fuer entladungslampen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863611070 DE3611070A1 (de) 1986-04-03 1986-04-03 Vorschaltgeraet oder transformator, insbesondere fuer entladungslampen
DE3611070 1986-04-03

Publications (2)

Publication Number Publication Date
EP0240736A1 EP0240736A1 (de) 1987-10-14
EP0240736B1 true EP0240736B1 (de) 1991-06-26

Family

ID=6297775

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103220A Expired - Lifetime EP0240736B1 (de) 1986-04-03 1987-03-06 Vorschaltgerät oder Transformator, insbesondere für Entladungslampen

Country Status (15)

Country Link
EP (1) EP0240736B1 (xx)
JP (1) JPS62237603A (xx)
KR (1) KR870010578A (xx)
AT (1) ATE64806T1 (xx)
AU (1) AU7094887A (xx)
BG (1) BG46310A3 (xx)
DE (2) DE3611070A1 (xx)
ES (1) ES2022825B3 (xx)
FI (1) FI871431A (xx)
GR (1) GR3002563T3 (xx)
HU (1) HU195024B (xx)
IN (1) IN167691B (xx)
PL (1) PL154494B1 (xx)
YU (1) YU58187A (xx)
ZA (1) ZA872257B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8800596A (nl) * 1988-03-10 1989-10-02 Philips Nv Lagedrukontladingslamp.
DE4037947A1 (de) * 1990-04-09 1992-06-04 Holzer Walter Compact-leuchtstofflampe
DE4241314A1 (de) * 1992-12-08 1994-06-09 Holzer Walter Kompaktlampe mit Adapter
CA2155945A1 (en) * 1993-02-12 1994-08-18 Neil Stuart Traynor Extra low voltage lamp adaptor
DE9314422U1 (de) * 1993-09-23 1993-12-16 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Betriebsgerät für elektrische Lampen
EP0652691A1 (en) * 1993-11-05 1995-05-10 Sung-Ho Cho A ballast device for a compact fluorescent lamp
DE19504112A1 (de) * 1995-02-08 1996-08-22 Wila Leuchten Gmbh Anschlußeinheit für einseitig gesockelte Entladungslampen
GB9825299D0 (en) * 1998-11-18 1999-01-13 Microlights Ltd Improvements to electrical lamps
DE20002697U1 (de) * 2000-02-15 2000-04-13 Paul Neuhaus Gmbh Adapterstück zur Befestigung einer Lampenfassung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815080A (en) * 1973-04-12 1974-06-04 F Summa Fluorescent lamp adapter assembly
GB1595897A (en) * 1976-11-16 1981-08-19 Lessiter N Warning devices in electrical plugs or adaptors
US4316120A (en) * 1979-06-13 1982-02-16 General Electric Company Circular fluorescent lamp unit

Also Published As

Publication number Publication date
EP0240736A1 (de) 1987-10-14
JPS62237603A (ja) 1987-10-17
ZA872257B (en) 1987-11-25
YU58187A (en) 1989-10-31
KR870010578A (ko) 1987-11-30
AU7094887A (en) 1987-10-08
GR3002563T3 (en) 1993-01-25
ES2022825B3 (es) 1991-12-16
HU195024B (en) 1988-03-28
IN167691B (xx) 1990-12-08
ATE64806T1 (de) 1991-07-15
DE3770970D1 (de) 1991-08-01
PL264819A1 (en) 1988-05-12
FI871431A (fi) 1987-10-04
HUT43760A (en) 1987-11-30
PL154494B1 (en) 1991-08-30
BG46310A3 (en) 1989-11-15
FI871431A0 (fi) 1987-04-01
DE3611070A1 (de) 1987-10-08

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