FR752995A - Perfectionnements aux amplificateurs thermoioniques - Google Patents
Perfectionnements aux amplificateurs thermoioniquesInfo
- Publication number
- FR752995A FR752995A FR752995DA FR752995A FR 752995 A FR752995 A FR 752995A FR 752995D A FR752995D A FR 752995DA FR 752995 A FR752995 A FR 752995A
- Authority
- FR
- France
- Prior art keywords
- thermionic amplifiers
- thermionic
- amplifiers
- 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
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2137413X | 1932-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR752995A true FR752995A (fr) | 1933-10-04 |
Family
ID=10899483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR752995D Expired FR752995A (fr) | 1932-04-07 | 1933-03-22 | Perfectionnements aux amplificateurs thermoioniques |
Country Status (2)
Country | Link |
---|---|
US (1) | US2137413A (fr) |
FR (1) | FR752995A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3090381A1 (fr) | 2018-12-24 | 2020-06-26 | L'oreal | Composition cosmétique à base de ginseng |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2547324A (en) * | 1945-11-26 | 1951-04-03 | Wilmina L Hurley | Apparatus for determining the voltage of a battery |
-
1933
- 1933-03-22 FR FR752995D patent/FR752995A/fr not_active Expired
- 1933-04-04 US US664356A patent/US2137413A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3090381A1 (fr) | 2018-12-24 | 2020-06-26 | L'oreal | Composition cosmétique à base de ginseng |
Also Published As
Publication number | Publication date |
---|---|
US2137413A (en) | 1938-11-22 |
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