FR2150021A5 - - Google Patents
Info
- Publication number
- FR2150021A5 FR2150021A5 FR7228770A FR7228770A FR2150021A5 FR 2150021 A5 FR2150021 A5 FR 2150021A5 FR 7228770 A FR7228770 A FR 7228770A FR 7228770 A FR7228770 A FR 7228770A FR 2150021 A5 FR2150021 A5 FR 2150021A5
- 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 |
|---|---|---|---|
| DE2140087A DE2140087A1 (de) | 1971-08-10 | 1971-08-10 | Halogengluehlampe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2150021A5 true FR2150021A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-30 |
Family
ID=5816380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7228770A Expired FR2150021A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-10 | 1972-08-09 |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005324A (en) * | 1976-03-17 | 1977-01-25 | General Motors Corporation | Tungsten-fluorine lamp with native retained oxygen therein and method of manufacture |
| JP2004303573A (ja) * | 2003-03-31 | 2004-10-28 | Matsushita Electric Ind Co Ltd | 高圧水銀ランプ、この高圧水銀ランプを用いたランプユニット、およびこのランプユニットを用いた画像表示装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1270684B (de) * | 1961-07-26 | 1968-06-20 | Philips Nv | Gasgefuellte Gluehlampe mit einem Wolfram-Gluehkoerper und Verfahren zu ihrer Herstellung |
| NL281243A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-07-26 | |||
| US3364376A (en) * | 1965-09-21 | 1968-01-16 | Gen Electric | Iodine cycle incandescent lamp including carbon monoxide |
| US3541378A (en) * | 1968-01-08 | 1970-11-17 | Westinghouse Electric Corp | Tungsten oxyhalide incandescent lamps |
| GB1215689A (en) * | 1968-11-05 | 1970-12-16 | Westinghouse Electric Corp | Method for dosing chlorine or fluorine into halogen-cycle-type incandescent lamps |
-
1971
- 1971-08-10 DE DE2140087A patent/DE2140087A1/de active Granted
-
1972
- 1972-07-11 US US00270730A patent/US3783328A/en not_active Expired - Lifetime
- 1972-08-04 GB GB3658472A patent/GB1385097A/en not_active Expired
- 1972-08-09 FR FR7228770A patent/FR2150021A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1385097A (en) | 1975-02-26 |
| DE2140087A1 (de) | 1973-02-22 |
| DE2140087C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-11 |
| US3783328A (en) | 1974-01-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |