JPS4988372A - - Google Patents
Info
- Publication number
- JPS4988372A JPS4988372A JP13445173A JP13445173A JPS4988372A JP S4988372 A JPS4988372 A JP S4988372A JP 13445173 A JP13445173 A JP 13445173A JP 13445173 A JP13445173 A JP 13445173A JP S4988372 A JPS4988372 A JP S4988372A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31166772A | 1972-12-04 | 1972-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4988372A true JPS4988372A (de) | 1974-08-23 |
Family
ID=23207925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13445173A Pending JPS4988372A (de) | 1972-12-04 | 1973-12-03 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4988372A (de) |
| FR (1) | FR2209214A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8005456A (nl) * | 1980-10-02 | 1982-05-03 | Philips Nv | Hogedrukkwikdampontladingslamp. |
| US4801846A (en) * | 1986-12-19 | 1989-01-31 | Gte Laboratories Incorporated | Rare earth halide light source with enhanced red emission |
| US4978884A (en) * | 1988-05-19 | 1990-12-18 | U.S. Phillips Corporation | Metal halide discharge lamp having low color temperature and improved color rendition |
| JP2003016998A (ja) | 2001-06-28 | 2003-01-17 | Matsushita Electric Ind Co Ltd | メタルハライドランプ |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1443865A (fr) * | 1962-10-16 | 1966-07-01 | Sylvania Electric Prod | Appareil de décharge électrique |
| US3384775A (en) * | 1965-05-06 | 1968-05-21 | Gen Electric | Mercury metal halide discharge lamp having iodine present in stoichiometric proportions with respect to the reactive metals |
| US3334261A (en) * | 1965-10-24 | 1967-08-01 | Sylvania Electric Prod | High pressure discharge device having a fill including iodine mercury and at least one rare earth metal |
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1973
- 1973-12-03 JP JP13445173A patent/JPS4988372A/ja active Pending
- 1973-12-04 FR FR7343206A patent/FR2209214A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2209214B1 (de) | 1976-06-25 |
| FR2209214A1 (en) | 1974-06-28 |