FR673466A - Improvements to electrical signal systems - Google Patents

Improvements to electrical signal systems

Info

Publication number
FR673466A
FR673466A FR673466DA FR673466A FR 673466 A FR673466 A FR 673466A FR 673466D A FR673466D A FR 673466DA FR 673466 A FR673466 A FR 673466A
Authority
FR
France
Prior art keywords
electrical signal
signal systems
systems
electrical
signal
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
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 Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Application granted granted Critical
Publication of FR673466A publication Critical patent/FR673466A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR673466D 1928-05-05 1929-04-17 Improvements to electrical signal systems Expired FR673466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US673466XA 1928-05-05 1928-05-05

Publications (1)

Publication Number Publication Date
FR673466A true FR673466A (en) 1930-01-15

Family

ID=22075396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR673466D Expired FR673466A (en) 1928-05-05 1929-04-17 Improvements to electrical signal systems

Country Status (1)

Country Link
FR (1) FR673466A (en)

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