FR769344A - Improvements to electronic discharge devices - Google Patents
Improvements to electronic discharge devicesInfo
- Publication number
- FR769344A FR769344A FR769344DA FR769344A FR 769344 A FR769344 A FR 769344A FR 769344D A FR769344D A FR 769344DA FR 769344 A FR769344 A FR 769344A
- Authority
- FR
- France
- Prior art keywords
- discharge devices
- electronic discharge
- electronic
- devices
- 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
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
- H01J21/12—Tubes with variable amplification factor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0032—Tubes with variable amplification factor
Publications (1)
Publication Number | Publication Date |
---|---|
FR769344A true FR769344A (en) | 1934-08-24 |
Family
ID=1551892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR769344D Expired FR769344A (en) | 1934-02-26 | Improvements to electronic discharge devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR769344A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2587255A (en) * | 1948-12-01 | 1952-02-26 | Vogel Snyder | Portable baby bed |
-
1934
- 1934-02-26 FR FR769344D patent/FR769344A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2587255A (en) * | 1948-12-01 | 1952-02-26 | Vogel Snyder | Portable baby bed |
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