EP0320933A3 - Pulsierend betriebene Metallhalogenlichtquelle - Google Patents
Pulsierend betriebene Metallhalogenlichtquelle Download PDFInfo
- Publication number
- EP0320933A3 EP0320933A3 EP88120992A EP88120992A EP0320933A3 EP 0320933 A3 EP0320933 A3 EP 0320933A3 EP 88120992 A EP88120992 A EP 88120992A EP 88120992 A EP88120992 A EP 88120992A EP 0320933 A3 EP0320933 A3 EP 0320933A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal halide
- light source
- cathode
- light
- arc tube
- 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- Withdrawn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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/827—Metal halide arc lamps
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13540587A | 1987-12-18 | 1987-12-18 | |
US135405 | 2002-05-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0320933A2 EP0320933A2 (de) | 1989-06-21 |
EP0320933A3 true EP0320933A3 (de) | 1990-05-23 |
Family
ID=22467964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88120992A Withdrawn EP0320933A3 (de) | 1987-12-18 | 1988-12-15 | Pulsierend betriebene Metallhalogenlichtquelle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0320933A3 (de) |
CA (1) | CA1316975C (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03152852A (ja) * | 1989-11-08 | 1991-06-28 | Matsushita Electric Works Ltd | 高輝度放電ランプ及び無電極放電灯装置 |
DE102008013607B3 (de) * | 2008-03-11 | 2010-02-04 | Blv Licht- Und Vakuumtechnik Gmbh | Quecksilberfreie Metallhalogenid-Hochdruckentladungslampe |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA577060A (en) * | 1959-06-02 | W. L. Cumming Harry | Electric discharge lamps | |
US3622217A (en) * | 1969-06-30 | 1971-11-23 | Xerox Corp | Light producing system |
US3840767A (en) * | 1973-08-23 | 1974-10-08 | Gen Electric | Selective spectral output metal halide lamp |
US4389201A (en) * | 1979-03-12 | 1983-06-21 | General Electric Company | Method of manufacturing a lamp |
-
1988
- 1988-12-15 EP EP88120992A patent/EP0320933A3/de not_active Withdrawn
- 1988-12-16 CA CA000586186A patent/CA1316975C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA577060A (en) * | 1959-06-02 | W. L. Cumming Harry | Electric discharge lamps | |
US3622217A (en) * | 1969-06-30 | 1971-11-23 | Xerox Corp | Light producing system |
US3840767A (en) * | 1973-08-23 | 1974-10-08 | Gen Electric | Selective spectral output metal halide lamp |
US4389201A (en) * | 1979-03-12 | 1983-06-21 | General Electric Company | Method of manufacturing a lamp |
Also Published As
Publication number | Publication date |
---|---|
EP0320933A2 (de) | 1989-06-21 |
CA1316975C (en) | 1993-04-27 |
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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 |
|
17P | Request for examination filed |
Effective date: 19890111 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE DE FR GB NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE DE FR GB NL |
|
17Q | First examination report despatched |
Effective date: 19920601 |
|
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: 19930507 |