BE458726A - - Google Patents
Info
- Publication number
- BE458726A BE458726A BE458726DA BE458726A BE 458726 A BE458726 A BE 458726A BE 458726D A BE458726D A BE 458726DA BE 458726 A BE458726 A BE 458726A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
-
- 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
- H03F1/542—Replacing by standby devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH608417X | 1944-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE458726A true BE458726A (en:Method) |
Family
ID=4523226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE458726D BE458726A (en:Method) | 1944-05-10 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE458726A (en:Method) |
| CH (1) | CH246560A (en:Method) |
| GB (1) | GB608417A (en:Method) |
-
0
- BE BE458726D patent/BE458726A/xx unknown
-
1944
- 1944-05-10 CH CH246560D patent/CH246560A/fr unknown
-
1946
- 1946-02-22 GB GB5613/46A patent/GB608417A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB608417A (en) | 1948-09-15 |
| CH246560A (fr) | 1947-01-15 |