FR2348571B1 - - Google Patents
Info
- Publication number
- FR2348571B1 FR2348571B1 FR7711013A FR7711013A FR2348571B1 FR 2348571 B1 FR2348571 B1 FR 2348571B1 FR 7711013 A FR7711013 A FR 7711013A FR 7711013 A FR7711013 A FR 7711013A FR 2348571 B1 FR2348571 B1 FR 2348571B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
|---|---|---|---|
| US05/676,840 US4049988A (en) | 1976-04-14 | 1976-04-14 | Tungsten halogen lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2348571A1 FR2348571A1 (fr) | 1977-11-10 |
| FR2348571B1 true FR2348571B1 (US07202987-20070410-C00007.png) | 1982-10-22 |
Family
ID=24716232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7711013A Granted FR2348571A1 (fr) | 1976-04-14 | 1977-04-13 | Perfectionnement apporte aux lampes a incandescence du type tungstene-halogene |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL185740C (nl) * | 1978-09-13 | 1991-04-16 | Philips Nv | Elektrische gloeilamp. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1655488A (en) * | 1925-03-18 | 1928-01-10 | Gen Electric | Electric incandescent lamp |
| US2219890A (en) * | 1930-08-08 | 1940-10-29 | Gen Electric | Electric lamp device |
| US3091718A (en) * | 1960-07-08 | 1963-05-28 | Duro Test Corp | Constant lumen maintenance lamp |
| US3431448A (en) * | 1967-01-16 | 1969-03-04 | Gen Electric | Bromine regenerative cycle incandescent lamps |
| US3831053A (en) * | 1973-06-28 | 1974-08-20 | Gen Electric | Differential output lamp containing chlorine and hydrogen |
| US3974413A (en) * | 1975-05-01 | 1976-08-10 | General Motors Corporation | Incandescent lamp with modified helium fill gas |
-
1976
- 1976-04-14 US US05/676,840 patent/US4049988A/en not_active Expired - Lifetime
-
1977
- 1977-03-19 DE DE19772712191 patent/DE2712191A1/de not_active Withdrawn
- 1977-03-29 JP JP3514277A patent/JPS52131674A/ja active Pending
- 1977-03-29 GB GB13245/77A patent/GB1537999A/en not_active Expired
- 1977-04-13 FR FR7711013A patent/FR2348571A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4049988A (en) | 1977-09-20 |
| GB1537999A (en) | 1979-01-10 |
| JPS52131674A (en) | 1977-11-04 |
| DE2712191A1 (de) | 1977-10-27 |
| FR2348571A1 (fr) | 1977-11-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |