GB1487502A - Halogen incandescent lamp - Google Patents
Halogen incandescent lampInfo
- Publication number
- GB1487502A GB1487502A GB739275A GB739275A GB1487502A GB 1487502 A GB1487502 A GB 1487502A GB 739275 A GB739275 A GB 739275A GB 739275 A GB739275 A GB 739275A GB 1487502 A GB1487502 A GB 1487502A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil segments
- coiled
- halogen incandescent
- coil
- incandescent lamp
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
1487502 Halogen incandescent lamps PATENT - TREUHAND - GES FUR ELEKTRISCHE GLUHLAMPEN mbH 21 Feb 1975 [12 March 1974] 7392/75 Heading H1F A halogen incandescent lamp includes an M-shaped coiled-coil filament which is divided into four coiled-coil segments 9a that are separated by single-coil segments 9b, the filament being supported by two long outer support wires 6 and one short central support wire 7 with the supports 6, 7 engaging the three single-coil segments 9b and wherein the single-coil segments 9b are of a length greater than the diameter of the coiled-coil segments. Preferably the length of the single-coil segments is 2¢-3¢ times the diameter of the coiled-coil segments, and, as shown, the support wires 6, 7 are mounted on a quartz glass bridge 8.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE7408624 | 1974-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1487502A true GB1487502A (en) | 1977-10-05 |
Family
ID=6644154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB739275A Expired GB1487502A (en) | 1974-03-12 | 1975-02-21 | Halogen incandescent lamp |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2264466A7 (en) |
GB (1) | GB1487502A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760543A (en) * | 1995-07-28 | 1998-06-02 | Patent-Treuhand-Gesellschaft Fur Elektrische Gluehlampen Mbh | Electrical incandescent lamps having hook-shaped coil holder with constricted opening |
WO2003107393A2 (en) * | 2002-06-17 | 2003-12-24 | Koninklijke Philips Electronics N.V. | Halogen incandescent lamp for mains voltage |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7704774A (en) * | 1977-05-02 | 1978-11-06 | Philips Nv | ELECTRIC LIGHT BULB. |
EP0271858B1 (en) * | 1986-12-16 | 1999-03-10 | Gte Products Corporation | High voltage hard glass halogen capsule |
-
1975
- 1975-02-21 GB GB739275A patent/GB1487502A/en not_active Expired
- 1975-03-11 FR FR7507524A patent/FR2264466A7/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760543A (en) * | 1995-07-28 | 1998-06-02 | Patent-Treuhand-Gesellschaft Fur Elektrische Gluehlampen Mbh | Electrical incandescent lamps having hook-shaped coil holder with constricted opening |
WO2003107393A2 (en) * | 2002-06-17 | 2003-12-24 | Koninklijke Philips Electronics N.V. | Halogen incandescent lamp for mains voltage |
WO2003107393A3 (en) * | 2002-06-17 | 2004-11-04 | Koninkl Philips Electronics Nv | Halogen incandescent lamp for mains voltage |
Also Published As
Publication number | Publication date |
---|---|
FR2264466A7 (en) | 1975-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES348270A1 (en) | Electric lamp and method of manufacture | |
GB1043086A (en) | Improvements in electric lamp filament support | |
GB1421091A (en) | Photoflash lamps | |
GB1191247A (en) | Incandescent Lamp | |
GB1524582A (en) | Incandescent lamp | |
GB1176438A (en) | Quartz-Halogen Lamps | |
GB1487502A (en) | Halogen incandescent lamp | |
GB1189977A (en) | Improvements in Tungsten-Halogen Incandescent Lamps | |
CA1013415A (en) | Coiled coil filament for normal incandescent lamp | |
CA1014217A (en) | Headlight and incandescent lamp for anti-dazzle beam | |
GB1241196A (en) | Incandescent lamp | |
GB1325658A (en) | Electric filament lamp | |
GB1435979A (en) | Halogen incandescent lamp | |
GB1195109A (en) | Tungsten Incandescent Lamps. | |
ES469324A1 (en) | Electric incandescent lamp | |
GB1125226A (en) | Improvements in electric incandescent projection lamps | |
GB1158886A (en) | Improvements relating to Lamp Bulbs | |
JPS531979A (en) | Fluorescent incandescent bulb filament and method for manufacture thereof | |
GB1137439A (en) | Projection lamp | |
GB983630A (en) | Projection lamp | |
GB963316A (en) | Incandescent lamp base | |
GB1482070A (en) | Electric incandescent lamp | |
GB1025189A (en) | Incandescent lamp | |
GB605649A (en) | Improvements in electric incandescent lamps | |
GB1167665A (en) | Electric Lamp |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |