FR759891A - - Google Patents
Info
- Publication number
- FR759891A FR759891A FR759891DA FR759891A FR 759891 A FR759891 A FR 759891A FR 759891D A FR759891D A FR 759891DA FR 759891 A FR759891 A FR 759891A
- Authority
- FR
- France
- 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)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR407645X | 1932-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR759891A true FR759891A (tr) | 1934-02-14 |
Family
ID=8897371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR759891D Expired FR759891A (tr) | 1932-11-14 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR759891A (tr) |
| GB (1) | GB407645A (tr) |
-
0
- FR FR759891D patent/FR759891A/fr not_active Expired
-
1933
- 1933-11-03 GB GB30627/33A patent/GB407645A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB407645A (en) | 1934-03-22 |