FR32540E - Improvements to signaling current emission systems on power transmission lines - Google Patents
Improvements to signaling current emission systems on power transmission linesInfo
- Publication number
- FR32540E FR32540E FR32540DA FR32540E FR 32540 E FR32540 E FR 32540E FR 32540D A FR32540D A FR 32540DA FR 32540 E FR32540 E FR 32540E
- Authority
- FR
- France
- Prior art keywords
- power transmission
- transmission lines
- current emission
- signaling current
- emission systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR32540T | 1926-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR32540E true FR32540E (en) | 1928-01-24 |
Family
ID=8670244
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR623676D Expired FR623676A (en) | 1926-11-17 | 1926-10-26 | Improvements to signaling current emission systems on power transmission lines |
FR32540D Expired FR32540E (en) | 1926-11-17 | 1926-11-17 | Improvements to signaling current emission systems on power transmission lines |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR623676D Expired FR623676A (en) | 1926-11-17 | 1926-10-26 | Improvements to signaling current emission systems on power transmission lines |
Country Status (2)
Country | Link |
---|---|
US (1) | US1757900A (en) |
FR (2) | FR623676A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2830151C2 (en) * | 1978-07-08 | 1984-06-14 | Brown, Boveri & Cie Ag, 6800 Mannheim | Device for parallel coupling of an audio frequency transmitter to a network |
-
1926
- 1926-10-26 FR FR623676D patent/FR623676A/en not_active Expired
- 1926-11-17 FR FR32540D patent/FR32540E/en not_active Expired
-
1927
- 1927-10-07 US US224753A patent/US1757900A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR623676A (en) | 1927-06-28 |
US1757900A (en) | 1930-05-06 |
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