GB286607A - Arrangement for detecting the direction of propagation of a current, particularly applicable to switching in telephone installations - Google Patents

Arrangement for detecting the direction of propagation of a current, particularly applicable to switching in telephone installations

Info

Publication number
GB286607A
GB286607A GB6798/28A GB679828A GB286607A GB 286607 A GB286607 A GB 286607A GB 6798/28 A GB6798/28 A GB 6798/28A GB 679828 A GB679828 A GB 679828A GB 286607 A GB286607 A GB 286607A
Authority
GB
United Kingdom
Prior art keywords
relay
line
amplifier
subscriber
network
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
GB6798/28A
Other languages
English (en)
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.)
CHARLES JOSEPH ALEXANDRE LANGE
LEON JEAN ERNEST FOREST
Original Assignee
CHARLES JOSEPH ALEXANDRE LANGE
LEON JEAN ERNEST FOREST
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 CHARLES JOSEPH ALEXANDRE LANGE, LEON JEAN ERNEST FOREST filed Critical CHARLES JOSEPH ALEXANDRE LANGE
Publication of GB286607A publication Critical patent/GB286607A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB6798/28A 1927-03-05 1928-03-05 Arrangement for detecting the direction of propagation of a current, particularly applicable to switching in telephone installations Expired GB286607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR630912T 1927-03-05

Publications (1)

Publication Number Publication Date
GB286607A true GB286607A (en) 1929-01-10

Family

ID=8991409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6798/28A Expired GB286607A (en) 1927-03-05 1928-03-05 Arrangement for detecting the direction of propagation of a current, particularly applicable to switching in telephone installations

Country Status (3)

Country Link
BE (1) BE349376A (xx)
FR (1) FR630912A (xx)
GB (1) GB286607A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748295C (de) * 1937-03-25 1944-11-01 Anordnung zur Ermittlung der Verkehrsrichtung in einer UEbertragungsleitung

Also Published As

Publication number Publication date
FR630912A (fr) 1927-12-12
BE349376A (xx)

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