BE425995A - - Google Patents
Info
- Publication number
- BE425995A BE425995A BE425995DA BE425995A BE 425995 A BE425995 A BE 425995A BE 425995D A BE425995D A BE 425995DA BE 425995 A BE425995 A BE 425995A
- 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
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH510539X | 1937-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425995A true BE425995A (fr) |
Family
ID=4517412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425995D BE425995A (fr) | 1937-02-02 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2329455A (fr) |
| BE (1) | BE425995A (fr) |
| DE (1) | DE910934C (fr) |
| FR (1) | FR832724A (fr) |
| GB (2) | GB510539A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619615A (en) * | 1939-05-11 | 1952-11-25 | Gen Electric | Circuit for operating electric discharge lamps |
| US4170744A (en) * | 1978-03-10 | 1979-10-09 | General Electric Company | Combination discharge-incandescent lamp with thermal switch control |
| CH642775A5 (de) * | 1982-05-13 | 1984-04-30 | Johann Buser | Entladungsgefaess mit hochstromdurchfuehrungen. |
| WO2002029851A1 (fr) * | 2000-10-04 | 2002-04-11 | Theodore Mcbain | Ampoule electrique a deux fonctions independantes |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190314163A (en) * | 1903-06-25 | 1904-04-07 | Frederick William Le Tall | Improvements in Apparatus for Electric Lighting. |
| US985486A (en) * | 1907-07-16 | 1911-02-28 | Alfred A Wohlauer | Electric-lighting apparatus. |
| DE330821C (de) * | 1919-09-27 | 1920-12-23 | Paul Bachmann | Aus Quecksilberdampf-, Metall- und Kohlenfadenlampen zusammengesetzter Beleuchtungs- und Bestrahlungsapparat |
| AT135460B (de) * | 1931-10-03 | 1933-11-25 | Philips Nv | Elektrische Entladungsröhre mit Metalldampffüllung. |
| NL36696C (fr) * | 1931-10-03 | |||
| US2065988A (en) * | 1932-01-25 | 1936-12-29 | Sperti Lamp Corp | Lamp |
| US1976149A (en) * | 1932-01-25 | 1934-10-09 | Sperti Lamp Corp | Lamp |
| FR751345A (fr) * | 1932-03-01 | 1933-08-31 | Lampes Sa | Perfectionnements aux lampes |
| US1990170A (en) * | 1932-12-07 | 1935-02-05 | Gen Electric | Gaseous electric discharge lamp device |
| US2020737A (en) * | 1932-12-24 | 1935-11-12 | Gen Electric | Gaseous electric discharge arc lamp |
-
0
- BE BE425995D patent/BE425995A/xx unknown
-
1938
- 1938-01-27 FR FR832724D patent/FR832724A/fr not_active Expired
- 1938-01-30 DE DEB1157D patent/DE910934C/de not_active Expired
- 1938-02-01 US US188126A patent/US2329455A/en not_active Expired - Lifetime
- 1938-02-02 GB GB3277/38A patent/GB510539A/en not_active Expired
- 1938-02-02 GB GB11727/39A patent/GB510590A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB510539A (en) | 1939-08-02 |
| DE910934C (de) | 1954-05-06 |
| US2329455A (en) | 1943-09-14 |
| GB510590A (en) | 1939-08-02 |
| FR832724A (fr) | 1938-10-03 |