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 (https=) |
Family
ID=22071183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486748D BE486748A (https=) | 1948-01-09 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE486748A (https=) |
| DE (1) | DE838801C (https=) |
| GB (1) | GB667070A (https=) |
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 |
| EP1550146A2 (en) * | 2002-04-11 | 2005-07-06 | Koninklijke Philips Electronics N.V. | Low-pressure mercury vapor discharge lamp |
| US7276853B2 (en) | 2002-04-11 | 2007-10-02 | Koninklijke Philips Electronics, N.V. | Low-pressure mercury vapor discharge lamp |
| DE50313133D1 (de) | 2002-04-17 | 2010-11-11 | Continental Ag | Verfahren zur erkennung von reifeneigenschaften |
| WO2004032180A2 (en) * | 2002-10-04 | 2004-04-15 | 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 |
|---|---|
| GB667070A (en) | 1952-02-27 |
| DE838801C (de) | 1952-05-12 |