FR665991A - Electric discharge tube - Google Patents
Electric discharge tubeInfo
- Publication number
- FR665991A FR665991A FR665991DA FR665991A FR 665991 A FR665991 A FR 665991A FR 665991D A FR665991D A FR 665991DA FR 665991 A FR665991 A FR 665991A
- Authority
- FR
- France
- Prior art keywords
- electric discharge
- discharge tube
- tube
- electric
- 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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1882671X | 1928-02-11 | ||
GB685728A GB308879A (en) | 1928-03-05 | 1928-03-05 | Improvements in or relating to electric discharge tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR665991A true FR665991A (en) | 1929-09-25 |
Family
ID=26240989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR665991D Expired FR665991A (en) | 1928-02-11 | 1928-12-17 | Electric discharge tube |
Country Status (2)
Country | Link |
---|---|
US (1) | US1882671A (en) |
FR (1) | FR665991A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2820169A (en) * | 1955-03-14 | 1958-01-14 | Rca Corp | Combination beam plate and outer shield |
-
1928
- 1928-12-11 US US325229A patent/US1882671A/en not_active Expired - Lifetime
- 1928-12-17 FR FR665991D patent/FR665991A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1882671A (en) | 1932-10-18 |
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