FR545968A - Improvements to delayed-action devices using thermionic valves - Google Patents
Improvements to delayed-action devices using thermionic valvesInfo
- Publication number
- FR545968A FR545968A FR545968DA FR545968A FR 545968 A FR545968 A FR 545968A FR 545968D A FR545968D A FR 545968DA FR 545968 A FR545968 A FR 545968A
- Authority
- FR
- France
- Prior art keywords
- delayed
- action devices
- thermionic valves
- thermionic
- valves
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/288—Modifications for introducing a time delay before switching in tube switches
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB352721A GB178957A (en) | 1921-01-29 | 1921-01-29 | Improvements in and relating to delay action devices employing thermionic valves |
Publications (1)
Publication Number | Publication Date |
---|---|
FR545968A true FR545968A (en) | 1922-10-25 |
Family
ID=9759997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR545968D Expired FR545968A (en) | 1921-01-29 | 1922-01-16 | Improvements to delayed-action devices using thermionic valves |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR545968A (en) |
GB (1) | GB178957A (en) |
-
1921
- 1921-01-29 GB GB352721A patent/GB178957A/en not_active Expired
-
1922
- 1922-01-16 FR FR545968D patent/FR545968A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB178957A (en) | 1922-05-01 |
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