BE486748A - - Google Patents
Info
- Publication number
- BE486748A BE486748A BE486748DA BE486748A BE 486748 A BE486748 A BE 486748A BE 486748D A BE486748D A BE 486748DA BE 486748 A BE486748 A BE 486748A
- Authority
- BE
- Belgium
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
- H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US486748XA | 1948-01-09 | 1948-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE486748A true BE486748A (xx) |
Family
ID=22071183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE486748D BE486748A (xx) | 1948-01-09 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE486748A (xx) |
DE (1) | DE838801C (xx) |
GB (1) | GB667070A (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003032364A1 (en) * | 2001-10-04 | 2003-04-17 | Koninklijke Philips Electronics N.V. | Low-pressure mercury discharge lamp |
WO2003085695A2 (en) * | 2002-04-11 | 2003-10-16 | Koninklijke Philips Electronics N.V. | Low-pressure mercury vapor discharge lamp |
CN100380568C (zh) * | 2002-04-11 | 2008-04-09 | 皇家飞利浦电子股份有限公司 | 低压汞蒸汽放电灯 |
WO2003086789A1 (de) | 2002-04-17 | 2003-10-23 | Continental Teves Ag & Co. Ohg | Verfahren zur erkennung von reifeneigenschaften |
AU2003260931A1 (en) * | 2002-10-04 | 2004-04-23 | Koninklijke Philips Electronics N.V. | Low-pressure mercury vapour discharge lamp |
-
0
- BE BE486748D patent/BE486748A/xx unknown
-
1949
- 1949-01-04 GB GB195/49A patent/GB667070A/en not_active Expired
-
1950
- 1950-07-26 DE DEI1657A patent/DE838801C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE838801C (de) | 1952-05-12 |
GB667070A (en) | 1952-02-27 |