GB505951A - Improvements in or relating to electric discharge devices - Google Patents
Improvements in or relating to electric discharge devicesInfo
- Publication number
- GB505951A GB505951A GB25012/38A GB2501238A GB505951A GB 505951 A GB505951 A GB 505951A GB 25012/38 A GB25012/38 A GB 25012/38A GB 2501238 A GB2501238 A GB 2501238A GB 505951 A GB505951 A GB 505951A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- core
- nickel
- centimetres
- relating
- 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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
Landscapes
- Solid Thermionic Cathode (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US164147A US2210674A (en) | 1937-09-16 | 1937-09-16 | Cathode for electronic tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB505951A true GB505951A (en) | 1939-05-19 |
Family
ID=22593180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25012/38A Expired GB505951A (en) | 1937-09-16 | 1938-08-25 | Improvements in or relating to electric discharge devices |
Country Status (4)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2495831A (en) * | 1947-09-11 | 1950-01-31 | Hartford Nat Bank & Trust Co | Electric discharge tube comprising a liquid cathode and a capacitative ignition electrode provided therein |
US5170091A (en) * | 1990-12-10 | 1992-12-08 | Ultraviolet Energy Generators, Inc. | Linear ultraviolet flash lamp with self-replenishing cathode |
-
0
- NL NL50961D patent/NL50961C/xx active
-
1937
- 1937-09-16 US US164147A patent/US2210674A/en not_active Expired - Lifetime
-
1938
- 1938-08-11 FR FR841997D patent/FR841997A/fr not_active Expired
- 1938-08-25 GB GB25012/38A patent/GB505951A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2210674A (en) | 1940-08-06 |
NL50961C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
FR841997A (fr) | 1939-06-02 |
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