JPS4995482A - - Google Patents
Info
- Publication number
- JPS4995482A JPS4995482A JP48115979A JP11597973A JPS4995482A JP S4995482 A JPS4995482 A JP S4995482A JP 48115979 A JP48115979 A JP 48115979A JP 11597973 A JP11597973 A JP 11597973A JP S4995482 A JPS4995482 A JP S4995482A
- Authority
- JP
- Japan
- 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.)
- Pending
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 |
|---|---|---|---|
| GB4806472A GB1356893A (en) | 1972-10-18 | 1972-10-18 | Tungsten-halogen cycle electric incandescent lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4995482A true JPS4995482A (en。) | 1974-09-10 |
Family
ID=10447227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48115979A Pending JPS4995482A (en。) | 1972-10-18 | 1973-10-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3919578A (en。) |
| JP (1) | JPS4995482A (en。) |
| DE (1) | DE2352195A1 (en。) |
| GB (1) | GB1356893A (en。) |
| NL (1) | NL7314374A (en。) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3266909D1 (en) * | 1981-06-23 | 1985-11-21 | Emi Plc Thorn | Tungsten halogen incandescent lamps and mixed filling of gas and halogen compounds |
| US4998038A (en) * | 1988-12-05 | 1991-03-05 | Kabushiki Kaisha Toshiba | Pitted light diffusive coating, a method of forming the coating and a lamp having the coating |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL135014C (en。) * | 1966-09-20 | |||
| GB1276828A (en) * | 1970-10-15 | 1972-06-07 | Thorn Electrical Ind Ltd | Manufacture of tungsten halogen lamps |
| US3712701A (en) * | 1971-08-27 | 1973-01-23 | British Lighting Ind Ltd | Electric incandescent lamps |
-
1972
- 1972-10-18 GB GB4806472A patent/GB1356893A/en not_active Expired
-
1973
- 1973-10-16 US US406946A patent/US3919578A/en not_active Expired - Lifetime
- 1973-10-17 JP JP48115979A patent/JPS4995482A/ja active Pending
- 1973-10-18 DE DE19732352195 patent/DE2352195A1/de active Pending
- 1973-10-18 NL NL7314374A patent/NL7314374A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US3919578A (en) | 1975-11-11 |
| GB1356893A (en) | 1974-06-19 |
| NL7314374A (en。) | 1974-04-22 |
| DE2352195A1 (de) | 1974-05-02 |