LU27758A1 - - Google Patents
Info
- Publication number
- LU27758A1 LU27758A1 LU27758DA LU27758A1 LU 27758 A1 LU27758 A1 LU 27758A1 LU 27758D A LU27758D A LU 27758DA LU 27758 A1 LU27758 A1 LU 27758A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR997250T | 1945-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU27758A1 true LU27758A1 (es) |
Family
ID=9558475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU27758D LU27758A1 (es) | 1945-06-25 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE460046A (es) |
| FR (1) | FR997250A (es) |
| LU (1) | LU27758A1 (es) |
-
0
- BE BE460046D patent/BE460046A/xx unknown
- LU LU27758D patent/LU27758A1/xx unknown
-
1945
- 1945-06-25 FR FR997250D patent/FR997250A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE460046A (es) | |
| FR997250A (fr) | 1952-01-03 |