GB485329A - Improvements in and relating to electric discharge lamps - Google Patents
Improvements in and relating to electric discharge lampsInfo
- Publication number
- GB485329A GB485329A GB11404/37A GB1140437A GB485329A GB 485329 A GB485329 A GB 485329A GB 11404/37 A GB11404/37 A GB 11404/37A GB 1140437 A GB1140437 A GB 1140437A GB 485329 A GB485329 A GB 485329A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric discharge
- relating
- discharge lamps
- chromium
- close
- Prior art date
- 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
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Contact discs which close the ends of a gaseous electric discharge lamp may be made of an iron alloy containing 20 per cent of chromium.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75772A US2146579A (en) | 1936-04-22 | 1936-04-22 | Electric discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB485329A true GB485329A (en) | 1938-05-18 |
Family
ID=22127885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11404/37A Expired GB485329A (en) | 1936-04-22 | 1937-04-21 | Improvements in and relating to electric discharge lamps |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2146579A (en) |
| GB (1) | GB485329A (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2447159A (en) * | 1944-06-19 | 1948-08-17 | Gen Electric | Lamp terminal structure and method of manufacture |
| US2424457A (en) * | 1944-09-30 | 1947-07-22 | Gen Electric | Gaseous electric discharge lamp |
| US2462336A (en) * | 1945-05-18 | 1949-02-22 | Gen Electric | Electric discharge device and method of operation |
| US2433218A (en) * | 1945-06-12 | 1947-12-23 | Herzog Carl | Cold cathode fluorescent lamp |
| US2491854A (en) * | 1946-04-06 | 1949-12-20 | Gen Electric | Starting strip for electric discharge devices |
| US2627046A (en) * | 1946-06-05 | 1953-01-27 | Gen Electric | Electric discharge device |
| US2459789A (en) * | 1946-08-21 | 1949-01-25 | Superior Tube Co | Electrode construction for neon signs |
| US2512280A (en) * | 1947-03-10 | 1950-06-20 | Gen Electric | Electric discharge device construction |
| US2683836A (en) * | 1947-03-10 | 1954-07-13 | Gen Electric | Electric discharge device construction |
| US2508118A (en) * | 1948-03-03 | 1950-05-16 | Gen Electric | Starting strip for electric discharge devices |
| US2725495A (en) * | 1951-06-04 | 1955-11-29 | Westinghouse Electric Corp | Discharge lamp |
| US2769112A (en) * | 1953-06-11 | 1956-10-30 | Westinghouse Electric Corp | Discharge lamp, mount therefor, and method |
| US3265917A (en) * | 1963-12-31 | 1966-08-09 | Sylvania Electric Prod | Fail-safe arc discharge lamp with integral arc extinguishing means |
| JPS5313341Y2 (en) * | 1971-04-27 | 1978-04-11 | ||
| US4031399A (en) * | 1975-02-24 | 1977-06-21 | Beckman Instruments, Inc. | Fluorometer |
| US4174944A (en) * | 1978-01-30 | 1979-11-20 | Gte Sylvania Incorporated | Single lead electrically-activated flashlamp |
-
1936
- 1936-04-22 US US75772A patent/US2146579A/en not_active Expired - Lifetime
-
1937
- 1937-04-21 GB GB11404/37A patent/GB485329A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2146579A (en) | 1939-02-07 |
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