FR938163A - Perfectionnements à des lentilles - Google Patents
Perfectionnements à des lentillesInfo
- Publication number
- FR938163A FR938163A FR938163DA FR938163A FR 938163 A FR938163 A FR 938163A FR 938163D A FR938163D A FR 938163DA FR 938163 A FR938163 A FR 938163A
- Authority
- FR
- France
- Prior art keywords
- enhancements
- lens
- lens enhancements
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/33—Modifications of amplifiers to reduce non-linear distortion in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US573857XA | 1942-12-23 | 1942-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR938163A true FR938163A (fr) | 1948-09-07 |
Family
ID=22010256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938163D Expired FR938163A (fr) | 1942-12-23 | 1946-02-05 | Perfectionnements à des lentilles |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR938163A (fr) |
GB (1) | GB573857A (fr) |
-
1943
- 1943-12-17 GB GB21195/43A patent/GB573857A/en not_active Expired
-
1946
- 1946-02-05 FR FR938163D patent/FR938163A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB573857A (en) | 1945-12-10 |
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