BE447592A - - Google Patents
Info
- Publication number
- BE447592A BE447592A BE447592DA BE447592A BE 447592 A BE447592 A BE 447592A BE 447592D A BE447592D A BE 447592DA BE 447592 A BE447592 A BE 447592A
- Authority
- BE
- Belgium
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
- H03F1/542—Replacing by standby devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL233043X | 1941-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447592A true BE447592A (fr) |
Family
ID=19780091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447592D BE447592A (fr) | 1941-10-20 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE447592A (fr) |
| CH (1) | CH233043A (fr) |
| FR (1) | FR885987A (fr) |
| NL (1) | NL56691C (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE510734A (fr) * | 1951-04-19 | |||
| DE921482C (de) * | 1951-09-19 | 1954-12-20 | Rudolf Sigerist | Heizkessel fuer Sammelheizungsanlagen mit Vorrichtung zur Verkleinerung des Feuerraumes |
| NL106149C (fr) * | 1955-05-07 | |||
| DE1035223B (de) * | 1956-03-17 | 1958-07-31 | Pintsch Electro Gmbh | Anordnung zur automatischen Umschaltung auf ein Reservegeraet bei Funkverbindungen |
| BE609595A (fr) * | 1960-10-26 |
-
0
- NL NL56691D patent/NL56691C/xx active
- BE BE447592D patent/BE447592A/xx unknown
-
1942
- 1942-09-18 FR FR885987D patent/FR885987A/fr not_active Expired
- 1942-10-20 CH CH233043D patent/CH233043A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR885987A (fr) | 1943-09-30 |
| CH233043A (de) | 1944-06-30 |
| NL56691C (fr) |