BE467443A - - Google Patents
Info
- Publication number
- BE467443A BE467443A BE467443DA BE467443A BE 467443 A BE467443 A BE 467443A BE 467443D A BE467443D A BE 467443DA BE 467443 A BE467443 A BE 467443A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/62—Two-way amplifiers
- H03F3/64—Two-way amplifiers with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US541769XA | 1939-08-14 | 1939-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE467443A true BE467443A (fr) |
Family
ID=21989253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE467443D BE467443A (fr) | 1939-08-14 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE467443A (fr) |
| GB (1) | GB541769A (fr) |
-
0
- BE BE467443D patent/BE467443A/xx unknown
-
1940
- 1940-07-31 GB GB12373/40A patent/GB541769A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB541769A (en) | 1941-12-10 |