FR623676A - Improvements to signaling current emission systems on power transmission lines - Google Patents

Improvements to signaling current emission systems on power transmission lines

Info

Publication number
FR623676A
FR623676A FR623676DA FR623676A FR 623676 A FR623676 A FR 623676A FR 623676D A FR623676D A FR 623676DA FR 623676 A FR623676 A FR 623676A
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR623676A publication Critical patent/FR623676A/en
Expired legal-status Critical Current

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
FR623676D 1926-11-17 1926-10-26 Improvements to signaling current emission systems on power transmission lines Expired FR623676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR32540T 1926-11-17

Publications (1)

Publication Number Publication Date
FR623676A true FR623676A (en) 1927-06-28

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 After (1)

Application Number Title Priority Date Filing Date
FR32540D Expired FR32540E (en) 1926-11-17 1926-11-17 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR32540E (en) 1928-01-24
US1757900A (en) 1930-05-06

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