EP0295592A3 - Elektrische Lampe - Google Patents
Elektrische Lampe Download PDFInfo
- Publication number
- EP0295592A3 EP0295592A3 EP19880109328 EP88109328A EP0295592A3 EP 0295592 A3 EP0295592 A3 EP 0295592A3 EP 19880109328 EP19880109328 EP 19880109328 EP 88109328 A EP88109328 A EP 88109328A EP 0295592 A3 EP0295592 A3 EP 0295592A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric lamp
- light output
- high light
- despite high
- output normal
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3719761 | 1987-06-13 | ||
DE3719761 | 1987-06-13 | ||
DE3808702 | 1988-03-16 | ||
DE3808702 | 1988-03-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0295592A2 EP0295592A2 (de) | 1988-12-21 |
EP0295592A3 true EP0295592A3 (de) | 1991-01-02 |
Family
ID=25856613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880109328 Withdrawn EP0295592A3 (de) | 1987-06-13 | 1988-06-11 | Elektrische Lampe |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0295592A3 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9321215U1 (de) * | 1993-12-22 | 1996-09-12 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Halogenglühlampe |
DE102007015481A1 (de) | 2007-03-30 | 2008-10-02 | Osram Gesellschaft mit beschränkter Haftung | Baueinheit für eine elektrische Lampe mit Außenkolben |
EP1975975A1 (de) | 2007-03-30 | 2008-10-01 | Patent-Treuhand-Gesellschaft Für Elektrische Glühlampen mbH | Baueinheit für eine elektrische Lampe mit Aussenkolben |
DE102007015483A1 (de) | 2007-03-30 | 2008-10-02 | Osram Gesellschaft mit beschränkter Haftung | Baueinheit für eine elektrische Lampe mit Außenkolben |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2271108A (en) * | 1940-01-17 | 1942-01-27 | Kenneth L Wade | Incandescent lamp |
FR1260887A (fr) * | 1959-06-02 | 1961-05-12 | Ampoule électrique à incandescence, notamment petite ampoule électrique et lampe à réflecteur, notamment réflecteur de forme parabolique | |
US3784275A (en) * | 1971-04-29 | 1974-01-08 | Philips Corp | Method of manufacturing an incandescent lamp |
JPS52120587A (en) * | 1976-04-01 | 1977-10-11 | Toshiba Corp | Bulb lamp |
US4463277A (en) * | 1980-08-11 | 1984-07-31 | North American Philips Lighting Corporation | Compact halogen-cycle incandescent lamp, and lamp unit utilizing such lamp as a light source |
EP0140330A2 (de) * | 1983-10-31 | 1985-05-08 | Kabushiki Kaisha Toshiba | Miniaturglühlampe |
DE8708356U1 (de) * | 1987-06-13 | 1987-08-27 | Norda, Marie Luise, 2991 Dersum, De |
-
1988
- 1988-06-11 EP EP19880109328 patent/EP0295592A3/de not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2271108A (en) * | 1940-01-17 | 1942-01-27 | Kenneth L Wade | Incandescent lamp |
FR1260887A (fr) * | 1959-06-02 | 1961-05-12 | Ampoule électrique à incandescence, notamment petite ampoule électrique et lampe à réflecteur, notamment réflecteur de forme parabolique | |
US3784275A (en) * | 1971-04-29 | 1974-01-08 | Philips Corp | Method of manufacturing an incandescent lamp |
JPS52120587A (en) * | 1976-04-01 | 1977-10-11 | Toshiba Corp | Bulb lamp |
US4463277A (en) * | 1980-08-11 | 1984-07-31 | North American Philips Lighting Corporation | Compact halogen-cycle incandescent lamp, and lamp unit utilizing such lamp as a light source |
EP0140330A2 (de) * | 1983-10-31 | 1985-05-08 | Kabushiki Kaisha Toshiba | Miniaturglühlampe |
DE8708356U1 (de) * | 1987-06-13 | 1987-08-27 | Norda, Marie Luise, 2991 Dersum, De |
Non-Patent Citations (2)
Title |
---|
ELEKTROTECHNISCHE ZEITSCHRIFT, AUSGABE B. vol. 28, no. 4, Februar 1976, BERLIN DE Seiten 86 - 87; KLOPFER: "VERBESSERUNGSMOGLICHKEITEN VON GLUHLAMPEN" * |
PATENT ABSTRACTS OF JAPAN vol. 2, no. 9 (M-77)(6598) 23 Januar 1978, & JP-A-52 120587 (TOKYO SHIBAURA DENKI K K) 10 November 1977, * |
Also Published As
Publication number | Publication date |
---|---|
EP0295592A2 (de) | 1988-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
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RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19900703 |