NL78145C - - Google Patents
Info
- Publication number
- NL78145C NL78145C NL78145DA NL78145C NL 78145 C NL78145 C NL 78145C NL 78145D A NL78145D A NL 78145DA NL 78145 C NL78145 C NL 78145C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1024696X | 1949-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL78145C true NL78145C (xx) |
Family
ID=4553296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL78145D NL78145C (xx) | 1949-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH275999A (xx) |
| DE (1) | DE844325C (xx) |
| FR (1) | FR1024696A (xx) |
| NL (1) | NL78145C (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2691065A (en) * | 1951-01-12 | 1954-10-05 | Rca Corp | Multiplex relay system |
| DE1034716B (de) * | 1952-02-09 | 1958-07-24 | Iapatelholdiapatentverwertungs | Einrichtung zur Funktionspruefung einer frequenzmodulierten Empfangsanlage |
| DE972510C (de) * | 1952-10-03 | 1959-08-06 | Andre Eugene Pinet | Verriegelungsvorrichtung fuer Empfaenger in Mehrfachuebertragungssystemen |
| US2876341A (en) * | 1953-06-11 | 1959-03-03 | Western Union Telegraph Co | Fault alarm radio repeater system |
| US3048840A (en) * | 1956-03-06 | 1962-08-07 | Itt | Communication system |
| DE1047272B (de) * | 1957-09-25 | 1958-12-24 | Siemens Ag | Richtfunkverbindung mit mindestens drei Radiofrequenzkanaelen und einem Ersatzkanal |
| DE1245446B (de) * | 1962-02-20 | 1967-07-27 | Siemens Ag | Richtfunk-UEberlagerungsempfaenger fuer in der Frequenz modulierte Wellen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2128230A (en) * | 1937-09-02 | 1938-08-30 | Bell Telephone Labor Inc | Power transfer circuit |
-
0
- NL NL78145D patent/NL78145C/xx active
-
1949
- 1949-09-20 CH CH275999D patent/CH275999A/de unknown
-
1950
- 1950-09-12 DE DEP3320A patent/DE844325C/de not_active Expired
- 1950-09-19 FR FR1024696D patent/FR1024696A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE844325C (de) | 1952-07-21 |
| CH275999A (de) | 1951-06-15 |
| FR1024696A (fr) | 1953-04-03 |