NL77470C - - Google Patents
Info
- Publication number
- NL77470C NL77470C NL77470DA NL77470C NL 77470 C NL77470 C NL 77470C NL 77470D A NL77470D A NL 77470DA NL 77470 C NL77470 C NL 77470C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/44—Arrangements for feeding power to a repeater along the transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Direct Current Feeding And Distribution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB11771/49A GB674141A (en) | 1949-05-03 | 1949-05-03 | Improvements in or relating to telecommunication systems with particular reference to power supply arrangements therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77470C true NL77470C (fr) |
Family
ID=9992406
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77470D NL77470C (fr) | 1949-05-03 | ||
| NL676704452A NL153279B (nl) | 1949-05-03 | Werkwijze voor het elektrolytisch voorzien van voorwerpen van een chroombekleding met haarscheurtjes, alsmede voorwerpen verkregen volgens deze werkwijze. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676704452A NL153279B (nl) | 1949-05-03 | Werkwijze voor het elektrolytisch voorzien van voorwerpen van een chroombekleding met haarscheurtjes, alsmede voorwerpen verkregen volgens deze werkwijze. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2657279A (fr) |
| BE (1) | BE495472A (fr) |
| FR (1) | FR1019694A (fr) |
| GB (1) | GB674141A (fr) |
| NL (2) | NL153279B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792883A (fr) * | 1971-12-15 | 1973-03-30 | Post Office | Dispositif d'alimentation de courant pour systemes de communication |
| DE2933439C2 (de) * | 1979-08-17 | 1984-07-12 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Inbetriebnahme der beidseitigen Fernspeisung von Zwischenstellen einer Einrichtung der Nachrichtenübertragungstechnik |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2018850A (en) * | 1934-06-09 | 1935-10-29 | American Telephone & Telegraph | Unattended repeater system |
| US2260160A (en) * | 1940-04-26 | 1941-10-21 | Bell Telephone Labor Inc | Location and identification of faults in signaling transmission systems |
| US2321723A (en) * | 1942-06-26 | 1943-06-15 | Bell Telephone Labor Inc | Speech transmission system |
-
0
- BE BE495472D patent/BE495472A/xx unknown
- NL NL77470D patent/NL77470C/xx active
- NL NL676704452A patent/NL153279B/xx unknown
-
1949
- 1949-05-03 GB GB11771/49A patent/GB674141A/en not_active Expired
-
1950
- 1950-04-29 US US158982A patent/US2657279A/en not_active Expired - Lifetime
- 1950-05-02 FR FR1019694D patent/FR1019694A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2657279A (en) | 1953-10-27 |
| GB674141A (en) | 1952-06-18 |
| BE495472A (fr) | |
| NL153279B (nl) | |
| FR1019694A (fr) | 1953-01-26 |