FR2345808B1 - - Google Patents
Info
- Publication number
- FR2345808B1 FR2345808B1 FR7708456A FR7708456A FR2345808B1 FR 2345808 B1 FR2345808 B1 FR 2345808B1 FR 7708456 A FR7708456 A FR 7708456A FR 7708456 A FR7708456 A FR 7708456A FR 2345808 B1 FR2345808 B1 FR 2345808B1
- Authority
- FR
- France
- 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
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7708456A FR2345808A1 (fr) | 1977-03-22 | 1977-03-22 | Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7708456A FR2345808A1 (fr) | 1977-03-22 | 1977-03-22 | Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2345808A1 FR2345808A1 (fr) | 1977-10-21 |
| FR2345808B1 true FR2345808B1 (US07179912-20070220-C00144.png) | 1982-08-20 |
Family
ID=9188388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7708456A Granted FR2345808A1 (fr) | 1977-03-22 | 1977-03-22 | Perfectionnements apportes aux lampes a decharge a vapeur d'halogene de metal |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2345808A1 (US07179912-20070220-C00144.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8253335B2 (en) * | 2010-06-03 | 2012-08-28 | General Electric Company | Arc shaped discharge chamber for high intensity discharge automotive lamp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB398799A (en) * | 1930-12-20 | 1933-09-19 | British Thomson Houston Co Ltd | Improvements in electric discharge lamps |
| GB457644A (en) * | 1935-07-03 | 1936-12-02 | British Thomson Houston Co Ltd | Improvements in high pressure metal vapour electric discharge devices |
| US3858078A (en) * | 1973-07-09 | 1974-12-31 | Gte Sylvania Inc | Metal halide discharge lamp having an arched arc tube |
| NL7503164A (nl) * | 1974-03-20 | 1975-09-23 | Thorn Electrical Ind Ltd | Boogontladingsbuis voor hogedruk kwik/metaal- halogenide lampen. |
| DE2535922A1 (de) * | 1975-08-12 | 1977-03-03 | Patra Patent Treuhand | Quecksilberdampf-hochdruckentladungslampe fuer horizontale brennlage |
-
1977
- 1977-03-22 FR FR7708456A patent/FR2345808A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2345808A1 (fr) | 1977-10-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |