BE778347A - Lampe a halogene, a filament de tungstene, perfectionnee - Google Patents
Lampe a halogene, a filament de tungstene, perfectionneeInfo
- Publication number
- BE778347A BE778347A BE778347A BE778347A BE778347A BE 778347 A BE778347 A BE 778347A BE 778347 A BE778347 A BE 778347A BE 778347 A BE778347 A BE 778347A BE 778347 A BE778347 A BE 778347A
- Authority
- BE
- Belgium
- Prior art keywords
- perfected
- halogen lamp
- tungsten filament
- filament
- tungsten
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB299571 | 1971-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE778347A true BE778347A (fr) | 1972-05-16 |
Family
ID=9749959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE778347A BE778347A (fr) | 1971-01-22 | 1972-01-21 | Lampe a halogene, a filament de tungstene, perfectionnee |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT308899B (fr) |
| AU (1) | AU458233B2 (fr) |
| BE (1) | BE778347A (fr) |
| CA (1) | CA940998A (fr) |
| CH (1) | CH558083A (fr) |
| DE (1) | DE2203087C3 (fr) |
| FR (1) | FR2123009A5 (fr) |
| GB (1) | GB1345901A (fr) |
| IT (1) | IT946826B (fr) |
| NL (1) | NL7200850A (fr) |
| SE (1) | SE367511B (fr) |
| ZA (1) | ZA72271B (fr) |
-
1971
- 1971-01-22 GB GB299571A patent/GB1345901A/en not_active Expired
-
1972
- 1972-01-17 ZA ZA720271A patent/ZA72271B/xx unknown
- 1972-01-19 SE SE00593/72A patent/SE367511B/xx unknown
- 1972-01-21 BE BE778347A patent/BE778347A/fr unknown
- 1972-01-21 FR FR7202076A patent/FR2123009A5/fr not_active Expired
- 1972-01-21 AU AU38195/72A patent/AU458233B2/en not_active Expired
- 1972-01-21 CH CH95072A patent/CH558083A/fr not_active IP Right Cessation
- 1972-01-21 NL NL7200850A patent/NL7200850A/xx not_active Application Discontinuation
- 1972-01-21 AT AT49372A patent/AT308899B/de not_active IP Right Cessation
- 1972-01-21 IT IT19693/72A patent/IT946826B/it active
- 1972-01-22 DE DE2203087A patent/DE2203087C3/de not_active Expired
- 1972-01-24 CA CA133,007A patent/CA940998A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA940998A (en) | 1974-01-29 |
| ZA72271B (en) | 1972-09-27 |
| IT946826B (it) | 1973-05-21 |
| FR2123009A5 (fr) | 1972-09-01 |
| DE2203087A1 (de) | 1972-08-03 |
| AT308899B (de) | 1973-07-25 |
| AU458233B2 (en) | 1975-02-20 |
| NL7200850A (fr) | 1972-07-25 |
| SE367511B (fr) | 1974-05-27 |
| GB1345901A (en) | 1974-02-06 |
| DE2203087B2 (de) | 1977-12-01 |
| AU3819572A (en) | 1973-07-26 |
| CH558083A (fr) | 1975-01-15 |
| DE2203087C3 (de) | 1978-07-20 |
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