NL273438A - - Google Patents
Info
- Publication number
- NL273438A NL273438A NL273438DA NL273438A NL 273438 A NL273438 A NL 273438A NL 273438D A NL273438D A NL 273438DA NL 273438 A NL273438 A NL 273438A
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Stand-By Power Supply Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST17343A DE1221295B (en) | 1961-01-13 | 1961-01-13 | Process for the correct phase, manually initiated switchover from a high or audio frequency generator in communication systems, especially from a carrier current generator, to a replacement generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL273438A true NL273438A (en) |
Family
ID=7457439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL273438D NL273438A (en) | 1961-01-13 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE612561A (en) |
| CH (1) | CH397012A (en) |
| DE (1) | DE1221295B (en) |
| GB (1) | GB948871A (en) |
| NL (1) | NL273438A (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE692528C (en) * | 1938-08-16 | 1940-06-21 | Aeg | Arrangement of two carrier current generators connected in parallel on the output side for multiple transmission systems |
| DE864273C (en) * | 1942-03-04 | 1953-01-22 | Siemens Ag | Arrangement for the automatic switching of the load of a vibration generator to a substitute vibration generator |
| NL77626C (en) * | 1947-01-24 | 1900-01-01 | ||
| DE946155C (en) * | 1951-02-01 | 1956-07-26 | Standard Elek K Ag | Arrangement for monitoring the carrier power supply in carrier-frequency message transmission systems |
-
0
- NL NL273438D patent/NL273438A/xx unknown
-
1961
- 1961-01-13 DE DEST17343A patent/DE1221295B/en active Pending
-
1962
- 1962-01-11 CH CH32562A patent/CH397012A/en unknown
- 1962-01-12 BE BE612561A patent/BE612561A/en unknown
- 1962-01-12 GB GB121662D patent/GB948871A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB948871A (en) | 1964-02-05 |
| CH397012A (en) | 1965-08-15 |
| BE612561A (en) | 1962-07-12 |
| DE1221295B (en) | 1966-07-21 |