FR2130502A2 - - Google Patents
Info
- Publication number
- FR2130502A2 FR2130502A2 FR7209842A FR7209842A FR2130502A2 FR 2130502 A2 FR2130502 A2 FR 2130502A2 FR 7209842 A FR7209842 A FR 7209842A FR 7209842 A FR7209842 A FR 7209842A FR 2130502 A2 FR2130502 A2 FR 2130502A2
- 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.)
- Granted
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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712114805 DE2114805A1 (en) | 1971-03-26 | 1971-03-26 | High pressure discharge lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2130502A2 true FR2130502A2 (en) | 1972-11-03 |
FR2130502B2 FR2130502B2 (en) | 1977-12-23 |
Family
ID=5802893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7209842A Expired FR2130502B2 (en) | 1971-03-26 | 1972-03-21 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2114805A1 (en) |
FR (1) | FR2130502B2 (en) |
GB (1) | GB1342057A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0762475A1 (en) * | 1995-08-23 | 1997-03-12 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Metal halide discharge lamp for projection purposes |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU196861B (en) * | 1987-01-23 | 1989-01-30 | Tungsram Reszvenytarsasag | Low colour-temperature high-pressure metal-halide lamp with good colour reproduction |
EP1225614B1 (en) * | 1999-10-18 | 2015-02-18 | Panasonic Corporation | High-pressure discharge lamp, lamp unit, method for producing high-pressure discharge lamp, and incandescent lamp |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3153169A (en) * | 1961-06-02 | 1964-10-13 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Discharge lamp |
-
1971
- 1971-03-26 DE DE19712114805 patent/DE2114805A1/en active Pending
-
1972
- 1972-03-21 FR FR7209842A patent/FR2130502B2/fr not_active Expired
- 1972-03-27 GB GB1419472A patent/GB1342057A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3153169A (en) * | 1961-06-02 | 1964-10-13 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Discharge lamp |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0762475A1 (en) * | 1995-08-23 | 1997-03-12 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Metal halide discharge lamp for projection purposes |
Also Published As
Publication number | Publication date |
---|---|
FR2130502B2 (en) | 1977-12-23 |
DE2114805A1 (en) | 1972-10-05 |
GB1342057A (en) | 1973-12-25 |