CN1747127B - Incandescent lamp - Google Patents
Incandescent lamp Download PDFInfo
- Publication number
- CN1747127B CN1747127B CN 200510099885 CN200510099885A CN1747127B CN 1747127 B CN1747127 B CN 1747127B CN 200510099885 CN200510099885 CN 200510099885 CN 200510099885 A CN200510099885 A CN 200510099885A CN 1747127 B CN1747127 B CN 1747127B
- Authority
- CN
- China
- Prior art keywords
- incandescent lamp
- current feed
- intercept
- bulb
- coiled filament
- 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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000011521 glass Substances 0.000 claims abstract description 10
- 239000011888 foil Substances 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 17
- 150000002367 halogens Chemical class 0.000 claims description 17
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000002788 crimping Methods 0.000 description 11
- 238000010891 electric arc Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 238000004880 explosion Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000008207 working material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/40—Leading-in conductors
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Resistance Heating (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Abstract
The invention relates to an incandescent lamp having a lamp bulb (2), in the interior (10) of which a luminous body (12) is accommodated, the current supply leads of which are guided through a press seal (8) which seals the lamp bulb (2), according to which the current supply leads comprise two current supply lead sections (30, 32) which are partially embedded in the press seal (8) and which are each formed by a coiled filament (40) which surrounds an insertion core (42), wherein the current supply lead sections (30, 32) are each connected in the press seal (8) to a sealing foil (46, 48), on which in turn a contact pin (49, 51) is fastened which projects from the press seal (8) and is connected to a backup fuse (68, 70), the backup fuse (68, 68), 70) Is arranged outside the inner space of the lamp bulb (2) and outside the press seal (8), and wherein the auxiliary fuse (68, 70) comprises a melting wire surrounded by a glass sleeve and an external wire connected to the glass sleeve.
Description
Technical field
The present invention relates to a kind of incandescent lamp, especially a kind of halogen incandescent lamp.
Background technology
DE 296 20 098 U1 disclose a halogen incandescent lamp, and the luminous element of one of them coiled filament form is contained in a fluorescent tube or the bulb.This fluorescent tube seals by extruding unilaterally, and a current down-lead structure that is used for coiled filament passes this crimping section.This lamp in be pressed onto in the high pressure range and work, wherein since high working voltage may cause producing arc discharge between two adjacent current feeds in the current down-lead structure.This electric arc especially produces owing to the short circuit between the coiled filament parts, this for example may be when lamp be worked institute causes because the contact of two coiled filament side legs (main for the luminous element that curves U-shaped or V-arrangement) or coiled filament open circuit.May constitute critical thin point (focus) when the life-span of contiguous this halogen incandescent lamp on coiled filament, it especially blows when the process of connection.Because the partial combustion of coiled filament material is especially producing an electric arc between two current feeds above the crimping section.Because short circuit current may produce so high temperature in crimping section, make to cause the bulb explosion.
For fear of this heat load of crossing of described crimping section, in DE 296 20 098 U1, advise, constitute the part that at least one has the interior current feed of small relatively cross section, and almost completely be embedded in the crimping section.
When short circuit current occurring, a part of wire material evaporates in crimping section inside, and produces one section free capillary, and discharge at first burns away along this capillary.From freedom effective length capillaceous, electric arc disappears soon automatically.The fuse of this form is also referred to as intrinsic fuse.Verified, in some application scenarios, can not make the diameter of current feed select for a short time of corresponding to set-point, so that the essential measures that adopts other according to DE 296 20 098 U1.
Showed a kind of fuse in US-PS 4 132 922, wherein current feed realizes that its end segments is embedded in the crimping section on a U-shaped melting wire position, and the intermediate portion protrudes in the inner room of bulb.This U-shaped fusion silk position requires to need to use a kind of distinctive sealed foil in crimping section, therefore because additional structure member is used in the technology of processing Halogen lamp LED and the expense of device aspect is relative high.
German utility model DE 91 02 566 U1 have showed a kind of fuse, wherein current feed is made of the intercept of individual pen spiral, this intercept is embedded in the crimping section like this, make the space that surrounded by coiled filament keep as the cavity of blown tubular, this cavity plays the effect of release channel when electric arc occurring.This intrinsic fuse can only be processed with high technology expense.
Summary of the invention
The purpose of this invention is to provide a kind of incandescent lamp, particularly a kind of halogen incandescent lamp, it can carry out work with the operational reliability of height, and can be with simple method manufacturing.
According to the present invention a kind of incandescent lamp is proposed, this incandescent lamp has a bulb, in the inner room of this bulb, hold a luminous element, the current feed of this luminous element passes the squeeze sealing member guiding of a sealed bulb, according to the present invention, described current feed comprises two current feed intercepts of partly imbedding in the squeeze sealing member, described current feed intercept surrounds a coiled filament that inserts core body by one respectively and constitutes, wherein said current feed intercept is connected with a sealed foil respectively in squeeze sealing member, on described sealed foil, fix the contact pilotage from squeeze sealing member, stretching and be connected to a spare fuse again respectively, described spare fuse is located at the inner room outside of bulb and in the squeeze sealing member outside, and wherein said spare fuse comprise by glass bushing around the fusion silk, also comprise the outside lead that is connected to this glass bushing.
According to incandescent lamp of the present invention be particularly useful in be pressed onto in the high pressure range and move, this lamp and have a bulb holds a luminous element in the inner room of this bulb.This inner room seals by a squeeze sealing member, and a current feed that is used for luminous element passes this squeeze sealing member guiding.Described current feed has the current feed intercept of a spiral, and this current feed intercept is embedded in the crimping section basically and surrounds one and insert core body, and the length of this insertion core body is matched with the length of current feed intercept.Additionally use a spare fuse that preferably is placed in the lamp socket.
Verified, even when using the coiled filament of thick relatively diameter, also can prevent the mistake heat load of crimping section and the bulb explosion that causes thus by this structure.
Guarantee a reliable response of described spare fuse; because because described spiral and electric arc that be furnished with a high current intensity of current feed intercept formation that inserts core body; make spare fuse enough to respond apace, thereby the protection incandescent lamp exempt from explosion.
Verified, this embodiment can particularly advantageously be applied to this incandescent lamp structure: wherein require current feed and the luminous element that is designed to coiled filament to be made of the relatively large wire of diameter.Be this situation in the bulb that uses the peg technology for example, wherein luminous element carries out fixed-site by the fixedly peg of bulb, and (typically＞150W) therefore also made by large diameter tungsten filament by design with higher relatively power for coiled filament.This peg technology is described in the applicant's EP 0 466 460B1 to some extent.If in this case when using large diameter tungsten filament-be welded direct on the molybdenum fusion paper tinsel operational reliability of the intrinsic fuse effect assurance lamp that no longer may describe by preamble thus as common when using the peg technology usually-coiled filament end of constituting by elementary winding.If a kind of like this lamp uses with a spare fuse, then in the spare fuse response, there is the lamp explosion.Even select sensitive more fuse to address this problem, because normal current strength overload concerning this fuse, thereby exist because normal current strength and risk that the inefficacy of overladen spare fuse causes bulb to damage in advance.Therefore according to solution of the present invention fuse is constituted more insensitively, get rid of that it is impaired.
Realize by coiled filament roof pressure diametrically at the coiled filament of current feed intercept and the mechanical connection that is inserted between wherein the insertion core body.
Verified, for coiled filament with insert core body and can use identical materials, tungsten preferably.
In a particularly advantageous embodiment, described luminous element is made of a coiled filament, and its U-shaped or V-arrangement ground are crooked and constitute one or two coiled filament intercept respectively on its side leg.These coiled filament intercepts can be made of coiled coil filament, wherein preferably constitute to the intermediate location that is made of elementary winding, be furnished with the current feed intercept of an insertion core body non-helically.
When coiled filament intercept and current feed intercept integrally constituted, then the manufacturing of luminous element was very simple.
Described fluorescent tube can be contained in the external bulb by a screw cap carrying.
Description of drawings
Describe the present invention in detail by means of preferred embodiment below.In the accompanying drawing:
Fig. 1 illustrates a front view according to first embodiment of the bulb of halogen incandescent lamp of the present invention.
Fig. 2 illustrates a current feed intercept of the halogen incandescent lamp among Fig. 1.
Fig. 3 illustrates the embodiment of a complete halogen incandescent lamp, and it has a spare fuse that is combined in the screw cap.
Embodiment
Fig. 1 illustrates an end view that is used for the halogen incandescent lamp 1 of general lighting purposes, and it especially can use in middle pressure scope in low pressure.
This halogen incandescent lamp 1 has a bulb 2 of being made by quartz glass.Form a dome 4 on an end segments of bulb 2, heart has a suction tube annex 6 in this dome.In the course of processing of halogen incandescent lamp 1, on above-mentioned suction tube annex, connect a blast pipe, vacuumize by its inner room 8, and fill a kind of blanketing gas that contains halogen bulb.After filling, remove blast pipe and with suction tube annex 6 sealing.
Hold a luminous element 12 (representing with fine rule in Fig. 1) in inner room 10, its approximate in the embodiment shown U-shaped ground is crooked, wherein constitutes two doublewound coiled filament intercepts 14,16 on the side leg of each U-shaped; 18,19.Described two coiled filament intercepts 14,16 of each U-shaped side leg; 18,19 are connected, and make the coupling part 24 that two coiled filament intercepts 14,19 of being positioned at Fig. 1 top extend by a substantial horizontal respectively and interconnect by coupling part 20 or 22.Described two coiled filament intercepts 16,18 near squeeze sealing member 8 carry out the transition to short intercept, and they play the effect of internal current lead-in wire 26,28.
In the embodiment shown, described coupling part 20,22,24 constitute non-helically, internal current lead-in wire 26,28 is made at the position towards squeeze sealing member at least non-helically, and wherein above-mentioned current feed, coupling part 20,22,24 and coiled filament intercept 14,16,18 are integrally made by identical taenidium with 19.
Non-helical internal current lead-in wire 26,28 carries out the transition to current feed intercept 30,32 respectively, and they are equally integrally made with the luminous element of being made by taenidium 12.According to the present invention, these current feed intercept 30,32 overwhelming majority with its length are embedded in the squeeze sealing member 8, and enter into the inner room 10 of bulb 2 with the relatively short for example about 1-2mm of end segments.
In the embodiment shown, the fixed-site of above-mentioned luminous element 12 realizes by so-called peg technology, wherein the deformation construction glass linking arm by glass bulb 2 or fixedly peg 34,36,38, they extend radially inwardly to coupling part 20,22,24 in couples mutually and constitute like this on diameter, make described coupling part 20,22,24 be clamped at fixedly between the peg, make luminous element 12 be fixed on the inside of inner room 10 reliably thus.This technology is described in detail in above-mentioned document EP 0 446 460 B1, and this paper repeats no more.
Laying of coiled filament need higher relatively energy consumption, taenidium must constitute relatively more slightly, therefore the intrinsic fuse that uses in the above-mentioned background technology lost efficacy, perhaps at least only have more small operational reliability, therefore when producing electric arc, can cause squeeze sealing member 8 overheated and explosions.This point special construction by two current feed intercepts 30,32 in according to solution of the present invention uses at the same time under the situation of spare fuse and is avoided.By means of Fig. 2 current feed 30,32 is described.This illustrates the end segments of luminous element 12, and it is arranged in the shade position among Fig. 1.Therefore in this embodiment, internal current goes between and 26 constitutes non-helically and carry out the transition in the current feed intercept 32 that is made of a coiled filament 40.This coiled filament for example designs with the pitch identical with the coiled filament of the coiled filament intercept 14,16,18,19 of whole double uses.Certainly, also can select different pitch.
Going into one at the spatial interpolation that surrounds by coiled filament 40 and inserting core body 42, it in described embodiment by with luminous element 12 identical materials, promptly make by tungsten.Between this insertion core body 42 and coiled filament 40 be connected by make coiled filament at 44 places, middle part radially roof pressure realize that to the excircle that inserts core body wherein said distortion is preferably in the hot state of coiled filament 40 and realizes down.As can also being seen by Fig. 2, described coiled filament 40 closely terminates in the top that is positioned at following end segments of inserting core body 42 among Fig. 2.
The current feed intercept 30,32 of Xing Chenging in this way, its most of length component is embedded in the squeeze sealing member 8, and is welded on the there with a sealed foil 46,48 of being made by molybdenum.In the end segments that is positioned at the bottom and contact pilotage 49,51 welding of two sealed foils 46,48 described in Fig. 1, its end segments is stretched from squeeze sealing member 8.
Described Halogen lamp LED 1 has a spare fuse, as in Fig. 3 with shown in the complete lamp example.
Fig. 3 illustrates complete halogen incandescent lamp, and wherein above-mentioned halogen incandescent lamp 1 is installed in the external bulb 50, and this bulb is by 52 carryings of a screw cap.This screw cap has a ceramic body 54 in the embodiment shown, at the support flange 56 upper support external bulbs 50 of this ceramic magnet, and the incandescent lamp 1 of packing into therein.Described support flange 56 also carries a thread bush 58 of screw cap 52.Constitute contact-making surface 60,62 on this thread bush 58 and on support flange 56, they are connected with the contact pilotage 49 or 51 of attaching troops to a unit respectively by lead 64,66.In the embodiment shown, assemble a spare fuse 68,70 respectively as being connected between contact pilotage 49,51 and the contact-making surface 60,62.This spare fuse preferably by one by a glass bushing around the fusion silk and the outside lead that is connected to glass bushing formed.Design spare fuse like this, it can " not blown " under normal lamp current.
If in this structure, for example produce an electric arc when blowing during terminal point useful life reaching at luminous element 12, then this electric arc extends on squeeze sealing member 8 tops in according to solution of the present invention, and owing to the structure according to current feed intercept 30,32 of the present invention has a very large current strength, this current strength causes a response extremely rapidly of spare fuse 68,70, cuts off the explosion that power supply also stops incandescent lamp 1 reliably thus.If there is not current feed intercept 30,32 according to the present invention's formation, so at a lamp that constitutes with the peg technology with under this required condition that is used for luminous element 12 employed tungsten filament diameters, described spare fuse 68,70 may respond so torpidly, so that may cause the bulb explosion.
Certain described spare fuse 68,70 also can constitute as illustrated in fig. 3 by alternate manner.Above-mentioned lamp for example is that 250 watts of power consumptions are designed under 230 volts of rated voltages.The desired life-span is at least 2400 hours.The diameter of described in the embodiment shown insertion core body is 42.2mm, and length is 7.0mm, and the length of coiled filament 40 is 6.9mm, and the wire diameter that is used for luminous element 12 is 82 μ m as the preliminary working material.
The invention discloses a kind of incandescent lamp 1, especially a kind of halogen incandescent lamp that is used for being pressed onto high pressure range, it has a bulb 2, holds a luminous element 12 that is preferably spiral in the inner room 10 of this bulb.Its current feed passes squeeze sealing member 8 guiding of bulb 2, and has the current feed intercept 30,32 of spiral according to the present invention, and this current feed intercept surrounds one and inserts core body 42.This incandescent lamp 1 is set a spare fuse 68,70, and this fuse responds when the electric arc of high current intensity occurring.In a preferred embodiment, described luminous element 12 utilizes the fixedly peg 34,36,38 that integrally constitutes on bulb 2 to fix.
Claims (13)
1. incandescent lamp, this incandescent lamp has a bulb (2), in the inner room (10) of this bulb, hold a luminous element (12), the current feed of this luminous element passes squeeze sealing member (8) guiding of a described bulb of sealing (2), it is characterized in that, described current feed comprises two current feed intercepts of partly imbedding in the squeeze sealing member (8) (30,32), described current feed intercept surrounds a coiled filament (40) that inserts core body (42) by one respectively and constitutes, wherein said current feed intercept (30,32) in squeeze sealing member (8) respectively with a sealed foil (46,48) connect, on described sealed foil, fix one again respectively and from squeeze sealing member (8), stretch and be connected to a spare fuse (68,70) contact pilotage (49,51), described spare fuse (68,70) be located at the inner room outside of bulb (2) and in squeeze sealing member (8) outside, and wherein said spare fuse (68,70) comprise by glass bushing around the fusion silk, also comprise the outside lead that is connected to this glass bushing.
2. incandescent lamp as claimed in claim 1, wherein, described luminous element (12) by at least one fixedly peg (34,36,38) fix, this fixedly peg integrally go up to constitute at bulb (2).
3. incandescent lamp as claimed in claim 1 wherein, constitutes the diameter wiry＞50 μ m of luminous element and/or coiled filament (40).
4. incandescent lamp as claimed in claim 1, wherein, described current feed has the current feed (26,28) not spiral or that be made of the individual pen spiral of two inside respectively, and this current feed is furnished with a current feed intercept (30,32) respectively.
5. incandescent lamp as claimed in claim 1, wherein, described coiled filament (40) is inserting on the core body (42) by the thermal deformation roof pressure in an intercept (44).
6. incandescent lamp as claimed in claim 1, wherein, described current feed intercept (30,32) and insertion core body (42) are made by tungsten.
7. incandescent lamp as claimed in claim 1, wherein, described luminous element (12) is a coiled filament that curves U-shaped or V-arrangement, constitutes one or two coiled filament intercept (14,16,18,19) on the side leg of this coiled filament respectively.
8. incandescent lamp as claimed in claim 7, wherein, described coiled filament intercept (14,16,18,19) is a coiled coil filament.
9. as claim 7 or 8 described incandescent lamps, wherein, described current feed intercept (30,32) integrally constitutes with coiled filament.
10. as claim 7 or 8 described incandescent lamps, wherein, the position between coiled filament intercept (14,16,18,19) and current feed intercept (30,32) is respectively non-helical, perhaps is made of the individual pen spiral.
11. incandescent lamp as claimed in claim 1, wherein, described bulb (2) is surrounded by an external bulb (50), and this external bulb itself is bearing on the screw cap (52).
12. incandescent lamp as claimed in claim 1, wherein, described incandescent lamp is the halogen incandescent lamp that is used for being pressed onto high pressure range.
13. incandescent lamp as claimed in claim 3 wherein, constitutes the diameter wiry＞80 μ m of luminous element and/or coiled filament (40).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004044364.5 | 2004-09-10 | ||
| DE200410044364 DE102004044364A1 (en) | 2004-09-10 | 2004-09-10 | Halogen filament lamp/bulb for medium/high voltage ranges has a bulb with a lighting unit inside and a supply of current running through a nipping seal for sealing the bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1747127A CN1747127A (en) | 2006-03-15 |
| CN1747127B true CN1747127B (en) | 2010-10-06 |
Family
ID=35853605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510099885 Expired - Fee Related CN1747127B (en) | 2004-09-10 | 2005-09-09 | Incandescent lamp |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1670037A1 (en) |
| JP (1) | JP2006080079A (en) |
| CN (1) | CN1747127B (en) |
| DE (1) | DE102004044364A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109255985B (en) * | 2018-10-30 | 2021-11-12 | 孙丹清 | Material object and diagram quick display device for electronic commerce teaching |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3441776A (en) * | 1967-05-12 | 1969-04-29 | Gen Electric | Filament support for incandescent electric lamps |
| US3717783A (en) * | 1969-02-21 | 1973-02-20 | Philips Corp | Electric incandescent lamp comprising an internal fuse |
| US4132922A (en) * | 1977-10-13 | 1979-01-02 | Westinghouse Electric Corp. | Gas-filled incandescent lamp with integral fuse assembly |
| DE9102566U1 (en) * | 1990-03-15 | 1991-05-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Halogen bulb |
| DE29620098U1 (en) * | 1996-11-20 | 1998-03-19 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München | Halogen lamp |
| CN1269910A (en) * | 1997-09-12 | 2000-10-11 | 奥斯兰姆施尔凡尼亚公司 | Long-life halogen cycle incandescent lamp and glass envelope composition |
| CN2488169Y (en) * | 2001-06-29 | 2002-04-24 | 江训全 | Single end halogen lamp bulb |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS493503Y1 (en) * | 1970-02-18 | 1974-01-28 | ||
| DE4008367A1 (en) | 1990-03-15 | 1991-09-26 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | ONE-SIDED CRUSHED HALOGEN BULB |
| EP0466460A3 (en) | 1990-07-11 | 1993-01-27 | Minnesota Mining And Manufacturing Company | Method of making a flexible louvered plastic film |
| JPH06290763A (en) * | 1993-03-30 | 1994-10-18 | Toshiba Lighting & Technol Corp | Double tube halogen bulb |
| DE4305503A1 (en) * | 1993-02-23 | 1994-08-25 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric lamp with base on one side |
| DE59702042D1 (en) * | 1996-04-19 | 2000-08-24 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Halogen lamp |
| JP2001068065A (en) * | 1999-08-31 | 2001-03-16 | Toshiba Lighting & Technology Corp | Light bulbs and beacon lights |
| EP1210728B1 (en) * | 2000-07-17 | 2006-12-13 | Koninklijke Philips Electronics N.V. | Electric lamp and method of manufacturing it |
-
2004
- 2004-09-10 DE DE200410044364 patent/DE102004044364A1/en not_active Withdrawn
-
2005
- 2005-08-11 EP EP05017528A patent/EP1670037A1/en not_active Withdrawn
- 2005-09-07 JP JP2005259439A patent/JP2006080079A/en active Pending
- 2005-09-09 CN CN 200510099885 patent/CN1747127B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3441776A (en) * | 1967-05-12 | 1969-04-29 | Gen Electric | Filament support for incandescent electric lamps |
| US3717783A (en) * | 1969-02-21 | 1973-02-20 | Philips Corp | Electric incandescent lamp comprising an internal fuse |
| US4132922A (en) * | 1977-10-13 | 1979-01-02 | Westinghouse Electric Corp. | Gas-filled incandescent lamp with integral fuse assembly |
| DE9102566U1 (en) * | 1990-03-15 | 1991-05-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Halogen bulb |
| DE29620098U1 (en) * | 1996-11-20 | 1998-03-19 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München | Halogen lamp |
| CN1269910A (en) * | 1997-09-12 | 2000-10-11 | 奥斯兰姆施尔凡尼亚公司 | Long-life halogen cycle incandescent lamp and glass envelope composition |
| CN2488169Y (en) * | 2001-06-29 | 2002-04-24 | 江训全 | Single end halogen lamp bulb |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-40879A 1998.02.13 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1670037A1 (en) | 2006-06-14 |
| CN1747127A (en) | 2006-03-15 |
| DE102004044364A1 (en) | 2006-03-16 |
| JP2006080079A (en) | 2006-03-23 |
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