FR725479A - Gas discharge tube - Google Patents
Gas discharge tubeInfo
- Publication number
- FR725479A FR725479A FR725479DA FR725479A FR 725479 A FR725479 A FR 725479A FR 725479D A FR725479D A FR 725479DA FR 725479 A FR725479 A FR 725479A
- Authority
- FR
- France
- Prior art keywords
- gas discharge
- discharge tube
- tube
- gas
- 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
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
-
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL377041X | 1930-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR725479A true FR725479A (en) | 1932-05-12 |
Family
ID=19785603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR725479D Expired FR725479A (en) | 1930-10-31 | 1931-10-30 | Gas discharge tube |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE383516A (en) |
DE (1) | DE626466C (en) |
FR (1) | FR725479A (en) |
GB (1) | GB377041A (en) |
NL (1) | NL36694C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE965856C (en) * | 1952-09-17 | 1957-06-27 | Licentia Gmbh | Incandescent cathode tubes with steam or gas filling and oxide cathode |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE443585A (en) * | 1940-12-02 | |||
DE922475C (en) * | 1942-06-16 | 1955-01-17 | Philips Nv | Electric gas discharge tubes |
-
0
- NL NL36694D patent/NL36694C/xx active
- BE BE383516D patent/BE383516A/xx unknown
-
1931
- 1931-10-20 DE DEN32823D patent/DE626466C/en not_active Expired
- 1931-10-24 GB GB29558/31A patent/GB377041A/en not_active Expired
- 1931-10-30 FR FR725479D patent/FR725479A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE965856C (en) * | 1952-09-17 | 1957-06-27 | Licentia Gmbh | Incandescent cathode tubes with steam or gas filling and oxide cathode |
Also Published As
Publication number | Publication date |
---|---|
NL36694C (en) | |
GB377041A (en) | 1932-07-21 |
DE626466C (en) | 1936-02-26 |
BE383516A (en) |
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