FR945297A - Improvements in the manufacture of discharge tubes and fluorescent lamps - Google Patents
Improvements in the manufacture of discharge tubes and fluorescent lampsInfo
- Publication number
- FR945297A FR945297A FR945297DA FR945297A FR 945297 A FR945297 A FR 945297A FR 945297D A FR945297D A FR 945297DA FR 945297 A FR945297 A FR 945297A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- fluorescent lamps
- discharge tubes
- tubes
- discharge
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US436381A US2334631A (en) | 1942-03-26 | 1942-03-26 | Base structure for electrical devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR945297A true FR945297A (en) | 1949-04-29 |
Family
ID=23732175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR945297D Expired FR945297A (en) | 1942-03-26 | 1947-04-18 | Improvements in the manufacture of discharge tubes and fluorescent lamps |
Country Status (3)
Country | Link |
---|---|
US (1) | US2334631A (en) |
FR (1) | FR945297A (en) |
GB (1) | GB580406A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2535773A (en) * | 1943-04-17 | 1950-12-26 | Gen Electric | Terminal and seal construction for electric lamps and similar devices |
US2638660A (en) * | 1945-04-03 | 1953-05-19 | Philips Lab Inc | Electrical insulator |
US2449637A (en) * | 1946-09-06 | 1948-09-21 | Gen Electric | Method and apparatus for manufacturing fluorescent lamps |
US2496065A (en) * | 1948-01-16 | 1950-01-31 | Sylvania Electric Prod | Electric discharge lamp |
US2805308A (en) * | 1953-07-14 | 1957-09-03 | Gen Electric | Photoelectric crystal mounting |
US2910611A (en) * | 1955-11-03 | 1959-10-27 | Gen Electric | Incandescent lamp mount and method of manufacture |
US2974761A (en) * | 1958-06-04 | 1961-03-14 | Networks Electronic Corp | Electrical component with improved metal-to-glass end sealing mechanism |
DE102012217212A1 (en) * | 2012-09-24 | 2014-04-10 | Osram Gmbh | Electrode device for discharge lamp, has two electrically conductive support wires and electrode wire which is partially coated with emitter material, where emitter material is fixed to support wires |
-
1942
- 1942-03-26 US US436381A patent/US2334631A/en not_active Expired - Lifetime
-
1943
- 1943-03-19 GB GB4481/43A patent/GB580406A/en not_active Expired
-
1947
- 1947-04-18 FR FR945297D patent/FR945297A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB580406A (en) | 1946-09-06 |
US2334631A (en) | 1943-11-16 |
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