BE686073A - - Google Patents
Info
- Publication number
- BE686073A BE686073A BE686073DA BE686073A BE 686073 A BE686073 A BE 686073A BE 686073D A BE686073D A BE 686073DA BE 686073 A BE686073 A BE 686073A
- 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
-
- 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
-
- 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
- H01J61/74—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6511266A NL6511266A (en:Method) | 1965-08-28 | 1965-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE686073A true BE686073A (en:Method) | 1967-02-27 |
Family
ID=19794002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE686073D BE686073A (en:Method) | 1965-08-28 | 1966-08-26 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3439209A (en:Method) |
| AT (1) | AT266259B (en:Method) |
| BE (1) | BE686073A (en:Method) |
| CH (1) | CH477090A (en:Method) |
| DE (1) | DE1539498C3 (en:Method) |
| ES (1) | ES330611A1 (en:Method) |
| FI (1) | FI41416B (en:Method) |
| GB (1) | GB1152719A (en:Method) |
| NL (1) | NL6511266A (en:Method) |
| NO (1) | NO120120B (en:Method) |
| SE (1) | SE303334B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3806747A (en) * | 1973-03-08 | 1974-04-23 | Gte Sylvania Inc | Sodium vapor lamp having an improved grooved alumina arc tube |
| US3806748A (en) * | 1973-03-08 | 1974-04-23 | Gte Sylvania Inc | Sodium vapor lamp having a grooved alumina arc tube with side rod heater retainer |
| NL7405871A (nl) * | 1974-05-02 | 1975-11-04 | Philips Nv | Inrichting voorzien van een gas- en/of dampontladingsbuis. |
| NL168993C (nl) * | 1975-01-17 | 1982-05-17 | Philips Nv | Werkwijze voor het bedrijven van een zelfstabiliserende ontladingslamp. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL34272C (en:Method) * | 1931-11-06 | |||
| BE397776A (en:Method) * | 1932-12-31 | |||
| US2016111A (en) * | 1933-10-30 | 1935-10-01 | William J Hitchcock | Gas discharge lamp, especially mercury lamp |
| US2733371A (en) * | 1950-05-12 | 1956-01-31 | Internally conducttvely coated | |
| US3219869A (en) * | 1963-07-01 | 1965-11-23 | Gen Electric | Cesium vapor discharge lamp |
-
1965
- 1965-08-28 NL NL6511266A patent/NL6511266A/xx unknown
-
1966
- 1966-08-15 US US572513A patent/US3439209A/en not_active Expired - Lifetime
- 1966-08-23 DE DE1539498A patent/DE1539498C3/de not_active Expired
- 1966-08-25 SE SE11491/66A patent/SE303334B/xx unknown
- 1966-08-25 CH CH1232866A patent/CH477090A/fr not_active IP Right Cessation
- 1966-08-25 AT AT807566A patent/AT266259B/de active
- 1966-08-25 GB GB38114/66A patent/GB1152719A/en not_active Expired
- 1966-08-25 NO NO164439A patent/NO120120B/no unknown
- 1966-08-25 FI FI2233/66A patent/FI41416B/fi active
- 1966-08-26 ES ES0330611A patent/ES330611A1/es not_active Expired
- 1966-08-26 BE BE686073D patent/BE686073A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1539498C3 (de) | 1975-09-25 |
| AT266259B (de) | 1968-11-11 |
| FI41416B (en:Method) | 1969-07-31 |
| NL6511266A (en:Method) | 1967-03-01 |
| US3439209A (en) | 1969-04-15 |
| GB1152719A (en) | 1969-05-21 |
| ES330611A1 (es) | 1967-12-16 |
| NO120120B (en:Method) | 1970-08-31 |
| SE303334B (en:Method) | 1968-08-26 |
| CH477090A (fr) | 1969-08-15 |
| DE1539498A1 (de) | 1969-11-06 |
| DE1539498B2 (de) | 1975-02-13 |