GB1167157A - Electric Discharge Tube. - Google Patents
Electric Discharge Tube.Info
- Publication number
- GB1167157A GB1167157A GB56632/66A GB5663266A GB1167157A GB 1167157 A GB1167157 A GB 1167157A GB 56632/66 A GB56632/66 A GB 56632/66A GB 5663266 A GB5663266 A GB 5663266A GB 1167157 A GB1167157 A GB 1167157A
- Authority
- GB
- United Kingdom
- Prior art keywords
- weight
- amount
- iron boride
- electric discharge
- fluorescent lamp
- 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
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP140866 | 1966-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1167157A true GB1167157A (en) | 1969-10-15 |
Family
ID=11500651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB56632/66A Expired GB1167157A (en) | 1966-01-08 | 1966-12-19 | Electric Discharge Tube. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3513349A (ja) |
BE (1) | BE692297A (ja) |
DE (1) | DE1589227B2 (ja) |
FR (1) | FR1507611A (ja) |
GB (1) | GB1167157A (ja) |
NL (1) | NL6618407A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044276A (en) * | 1976-04-09 | 1977-08-23 | Gte Sylvania Incorporated | High pressure mercury vapor discharge lamp having improved electrodes |
DE4415748C2 (de) * | 1994-05-04 | 1998-08-13 | Matsushita Electric Works Ltd | Elektrode für eine Leuchtstofflampe |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE512852A (ja) * | 1951-07-17 | |||
US3312856A (en) * | 1963-03-26 | 1967-04-04 | Gen Electric | Rhenium supported metallic boride cathode emitters |
-
1966
- 1966-12-19 GB GB56632/66A patent/GB1167157A/en not_active Expired
- 1966-12-28 US US605327A patent/US3513349A/en not_active Expired - Lifetime
- 1966-12-30 NL NL6618407A patent/NL6618407A/xx unknown
-
1967
- 1967-01-05 DE DE19671589227 patent/DE1589227B2/de not_active Withdrawn
- 1967-01-06 FR FR90274A patent/FR1507611A/fr not_active Expired
- 1967-01-06 BE BE692297D patent/BE692297A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1589227A1 (de) | 1970-03-05 |
BE692297A (ja) | 1967-06-16 |
DE1589227B2 (de) | 1971-06-16 |
US3513349A (en) | 1970-05-19 |
FR1507611A (fr) | 1967-12-29 |
NL6618407A (ja) | 1967-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |