FR598709A - Appareil de protection pour lampes de t. s. f. - Google Patents
Appareil de protection pour lampes de t. s. f.Info
- Publication number
- FR598709A FR598709A FR598709DA FR598709A FR 598709 A FR598709 A FR 598709A FR 598709D A FR598709D A FR 598709DA FR 598709 A FR598709 A FR 598709A
- Authority
- FR
- France
- Prior art keywords
- lamps
- protection device
- protection
- 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/544—Protection of filaments
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR598709T | 1925-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR598709A true FR598709A (fr) | 1925-12-23 |
Family
ID=8969095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR598709D Expired FR598709A (fr) | 1925-05-04 | 1925-05-04 | Appareil de protection pour lampes de t. s. f. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR598709A (fr) |
-
1925
- 1925-05-04 FR FR598709D patent/FR598709A/fr not_active Expired
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