BE440684A - - Google Patents
Info
- Publication number
- BE440684A BE440684A BE440684DA BE440684A BE 440684 A BE440684 A BE 440684A BE 440684D A BE440684D A BE 440684DA BE 440684 A BE440684 A BE 440684A
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/16—Monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL637507X | 1939-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440684A true BE440684A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19788914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440684D BE440684A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1939-09-14 |
Country Status (6)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2747032A (en) * | 1956-05-22 | Vacuum tube amplifier circuits for | ||
| US2516007A (en) * | 1944-04-08 | 1950-07-18 | Westinghouse Electric Corp | Oscillator control system |
| US2605404A (en) * | 1945-10-09 | 1952-07-29 | Jr George E Valley | Pulse generator |
| US2554087A (en) * | 1947-02-26 | 1951-05-22 | Hartford Nat Bank & Trust Co | High-frequency oscillator with a back-coupled electron tube |
| NL83879C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1953-06-17 | 1957-01-15 | ||
| DE1059050B (de) * | 1954-09-27 | 1959-06-11 | Siemens Ag | Einrichtung zur UEberwachung der Betriebsfaehigkeit wenigstens zweier Tonwahl- oder Tonrufgeneratoren |
| US2885549A (en) * | 1954-10-26 | 1959-05-05 | United Aircraft Corp | Square wave generator |
| US2992363A (en) * | 1955-06-03 | 1961-07-11 | Gasaccumulator Svenska Ab | Stand-by unit arrangement |
| DE1035223B (de) * | 1956-03-17 | 1958-07-31 | Pintsch Electro Gmbh | Anordnung zur automatischen Umschaltung auf ein Reservegeraet bei Funkverbindungen |
| NL97476C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-03-22 | 1900-01-01 | ||
| GB1037833A (en) * | 1963-03-07 | 1966-08-03 | Elliott Brothers London Ltd | Improvements in or relating to the construction of electronic equipment |
| US3345578A (en) * | 1964-03-09 | 1967-10-03 | Sylvania Electric Prod | Redundant amplifier circuits |
-
0
- BE BE440684D patent/BE440684A/xx unknown
- NL NL58996D patent/NL58996C/xx active
-
1940
- 1940-11-13 DE DEP2173D patent/DE1082941B/de active Pending
-
1941
- 1941-01-16 US US374783A patent/US2319320A/en not_active Expired - Lifetime
- 1941-07-01 FR FR873527D patent/FR873527A/fr not_active Expired
-
1946
- 1946-05-28 GB GB16227/46A patent/GB637507A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL58996C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| US2319320A (en) | 1943-05-18 |
| GB637507A (en) | 1950-05-24 |
| DE1082941B (de) | 1960-06-09 |
| FR873527A (fr) | 1942-07-10 |