BE765484A - Lampe a vapeur d'halogenure de metal alcalin avec getter - Google Patents
Lampe a vapeur d'halogenure de metal alcalin avec getterInfo
- Publication number
- BE765484A BE765484A BE765484A BE765484A BE765484A BE 765484 A BE765484 A BE 765484A BE 765484 A BE765484 A BE 765484A BE 765484 A BE765484 A BE 765484A BE 765484 A BE765484 A BE 765484A
- Authority
- BE
- Belgium
- Prior art keywords
- getter
- alkaline metal
- metal halogenide
- steam lamp
- steam
- Prior art date
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
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3292770A | 1970-04-29 | 1970-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE765484A true BE765484A (fr) | 1971-10-08 |
Family
ID=21867614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE765484A BE765484A (fr) | 1970-04-29 | 1971-04-08 | Lampe a vapeur d'halogenure de metal alcalin avec getter |
Country Status (7)
Country | Link |
---|---|
US (1) | US3626229A (xx) |
JP (1) | JPS5038269B1 (xx) |
BE (1) | BE765484A (xx) |
DE (1) | DE2120471C3 (xx) |
FR (1) | FR2089721A5 (xx) |
GB (1) | GB1311644A (xx) |
NL (1) | NL157454B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7011321A (xx) * | 1970-07-31 | 1972-02-02 | ||
US3805105A (en) * | 1971-06-30 | 1974-04-16 | Gte Sylvania Inc | High pressure electric discharge device with zirconium-aluminum getter |
US4906887A (en) * | 1988-12-19 | 1990-03-06 | Gte Products Corporation | High pressure metal vapor lamp with outer protective envelope and getters therein |
US5229681A (en) * | 1989-10-10 | 1993-07-20 | Musco Corporation | Discharge lamp with offset or tilted arc tube |
HU207174B (en) * | 1991-01-31 | 1993-03-01 | Tungsram Reszvenytarsasag | High pressure discharge lamp with a getter appliance increasing life |
CA2197017C (en) * | 1996-02-08 | 2004-04-27 | Richard A. Parrott | Metal halide lamp |
US6586878B1 (en) * | 1999-12-16 | 2003-07-01 | Koninklijke Philips Electronics N.V. | Metal halide lamp with improved getter orientation |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2749462A (en) * | 1952-05-31 | 1956-06-05 | Gen Electric | High pressure mercury vapor lamp with zirconium getter |
-
1970
- 1970-04-29 US US32927A patent/US3626229A/en not_active Expired - Lifetime
-
1971
- 1971-03-31 JP JP46018836A patent/JPS5038269B1/ja active Pending
- 1971-04-07 NL NL7104712.A patent/NL157454B/xx not_active IP Right Cessation
- 1971-04-08 BE BE765484A patent/BE765484A/xx not_active IP Right Cessation
- 1971-04-15 FR FR7113383A patent/FR2089721A5/fr not_active Expired
- 1971-04-19 GB GB2531071*A patent/GB1311644A/en not_active Expired
- 1971-04-27 DE DE2120471A patent/DE2120471C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5038269B1 (xx) | 1975-12-08 |
NL157454B (nl) | 1978-07-17 |
DE2120471C3 (de) | 1975-04-30 |
GB1311644A (en) | 1973-03-28 |
NL7104712A (xx) | 1971-11-02 |
FR2089721A5 (xx) | 1972-01-07 |
DE2120471A1 (de) | 1971-11-18 |
US3626229A (en) | 1971-12-07 |
DE2120471B2 (de) | 1974-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: GENERAL ELECTRIC CY Effective date: 19910408 |