EP0184876A3 - Hochdruck-Gasentladungslampe mit einer aus Wolframblech bestehenden Elektrode - Google Patents
Hochdruck-Gasentladungslampe mit einer aus Wolframblech bestehenden Elektrode Download PDFInfo
- Publication number
- EP0184876A3 EP0184876A3 EP85201901A EP85201901A EP0184876A3 EP 0184876 A3 EP0184876 A3 EP 0184876A3 EP 85201901 A EP85201901 A EP 85201901A EP 85201901 A EP85201901 A EP 85201901A EP 0184876 A3 EP0184876 A3 EP 0184876A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure gas
- discharge lamp
- tungsten sheet
- sheet electrode
- discharge
- 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- Withdrawn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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052721 tungsten Inorganic materials 0.000 title abstract 2
- 239000010937 tungsten Substances 0.000 title abstract 2
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843444922 DE3444922A1 (de) | 1984-12-08 | 1984-12-08 | Hochdruck-gasentladungslampe mit einer aus wolframblech bestehenden elektrode |
| DE3444922 | 1984-12-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0184876A2 EP0184876A2 (de) | 1986-06-18 |
| EP0184876A3 true EP0184876A3 (de) | 1988-10-26 |
Family
ID=6252324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85201901A Withdrawn EP0184876A3 (de) | 1984-12-08 | 1985-11-19 | Hochdruck-Gasentladungslampe mit einer aus Wolframblech bestehenden Elektrode |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4700107A (de) |
| EP (1) | EP0184876A3 (de) |
| JP (1) | JPS61138446A (de) |
| CA (1) | CA1249014A (de) |
| DE (1) | DE3444922A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4229317A1 (de) * | 1992-09-02 | 1994-03-03 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Hochdruckentladungslampe |
| US5420477A (en) * | 1993-01-15 | 1995-05-30 | Welch Allyn, Inc. | Electrode for metal halide discharge lamp |
| KR100822490B1 (ko) * | 2000-02-11 | 2008-04-16 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 고압 방전 램프와 점화 안테나를 포함하는 유닛 |
| EP1143485A3 (de) * | 2000-04-03 | 2001-11-14 | Matsushita Electric Industrial Co., Ltd. | Entladungslampen, Verfahren zu ihrer Herstellung und Lampeneinheit |
| DE102004028562A1 (de) * | 2004-06-15 | 2006-01-05 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektrode für eine Entladungslampe und Entladungslampe |
| JP5040577B2 (ja) * | 2007-10-16 | 2012-10-03 | ウシオ電機株式会社 | 超高圧放電ランプ |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1723929A (en) * | 1926-03-09 | 1929-08-06 | Francotte Regnier | Luminous electric discharge tube |
| GB527901A (en) * | 1938-03-22 | 1940-10-18 | Rnc Pavel Meisel | Electric discharge tube |
| GB530405A (en) * | 1938-06-22 | 1940-12-11 | Electricitatsgesellschaft Sani | Improvements in mercury vapour lamps |
| DE712691C (de) * | 1939-06-15 | 1941-10-23 | Electricitaetsgesellschaft San | Hochdruckquecksilberdampfbogenlampe mit Gasgrundfuellung und nichtaktivierten, durchdie Entladung aufgeheizten Gluehelektroden |
| FR903909A (fr) * | 1942-08-12 | 1945-10-22 | Licht A G Vereinigte Glu Hlamp | Lampe à vapeurs métalliques à haute pression |
| US2508114A (en) * | 1947-12-05 | 1950-05-16 | Gen Electric | Tantalum electrode for electric discharge devices |
| GB1594976A (en) * | 1978-05-24 | 1981-08-05 | Gen Electric Co Ltd | High pressure electric discharge lamps |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2876377A (en) * | 1955-09-01 | 1959-03-03 | Westinghouse Electric Corp | Ribbon seal and method of fabrication |
| US3080497A (en) * | 1959-12-11 | 1963-03-05 | Gen Electric | Bent end incandescent lamp |
| NL174683C (nl) * | 1975-09-11 | 1984-07-16 | Philips Nv | Hogedrukgasontladingslamp. |
-
1984
- 1984-12-08 DE DE19843444922 patent/DE3444922A1/de not_active Withdrawn
-
1985
- 1985-11-19 US US06/799,524 patent/US4700107A/en not_active Expired - Fee Related
- 1985-11-19 EP EP85201901A patent/EP0184876A3/de not_active Withdrawn
- 1985-12-05 CA CA000496956A patent/CA1249014A/en not_active Expired
- 1985-12-05 JP JP60272625A patent/JPS61138446A/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1723929A (en) * | 1926-03-09 | 1929-08-06 | Francotte Regnier | Luminous electric discharge tube |
| GB527901A (en) * | 1938-03-22 | 1940-10-18 | Rnc Pavel Meisel | Electric discharge tube |
| GB530405A (en) * | 1938-06-22 | 1940-12-11 | Electricitatsgesellschaft Sani | Improvements in mercury vapour lamps |
| DE712691C (de) * | 1939-06-15 | 1941-10-23 | Electricitaetsgesellschaft San | Hochdruckquecksilberdampfbogenlampe mit Gasgrundfuellung und nichtaktivierten, durchdie Entladung aufgeheizten Gluehelektroden |
| FR903909A (fr) * | 1942-08-12 | 1945-10-22 | Licht A G Vereinigte Glu Hlamp | Lampe à vapeurs métalliques à haute pression |
| US2508114A (en) * | 1947-12-05 | 1950-05-16 | Gen Electric | Tantalum electrode for electric discharge devices |
| GB1594976A (en) * | 1978-05-24 | 1981-08-05 | Gen Electric Co Ltd | High pressure electric discharge lamps |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN, Band 5, Nr. 66 (E-55)[738], 2. Mai 1981; & JP-A-56 015 545 (USHIO DENKI K.K.) 14-02-1981 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1249014A (en) | 1989-01-17 |
| EP0184876A2 (de) | 1986-06-18 |
| DE3444922A1 (de) | 1986-06-12 |
| JPS61138446A (ja) | 1986-06-25 |
| US4700107A (en) | 1987-10-13 |
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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 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN Owner name: PHILIPS PATENTVERWALTUNG GMBH |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB |
|
| 17P | Request for examination filed |
Effective date: 19890418 |
|
| 17Q | First examination report despatched |
Effective date: 19890816 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
| 18W | Application withdrawn |
Withdrawal date: 19900115 |
|
| R18W | Application withdrawn (corrected) |
Effective date: 19900115 |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: FISCHER, ERNST, DR. |