ES390370A1 - Sistema de transmision bilateral de senales de corriente continua. - Google Patents

Sistema de transmision bilateral de senales de corriente continua.

Info

Publication number
ES390370A1
ES390370A1 ES390370A ES390370A ES390370A1 ES 390370 A1 ES390370 A1 ES 390370A1 ES 390370 A ES390370 A ES 390370A ES 390370 A ES390370 A ES 390370A ES 390370 A1 ES390370 A1 ES 390370A1
Authority
ES
Spain
Prior art keywords
link
supply
translation
signal
transmission system
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
ES390370A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES390370A1 publication Critical patent/ES390370A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
ES390370A 1970-04-21 1971-04-21 Sistema de transmision bilateral de senales de corriente continua. Expired ES390370A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7014361A FR2088667A5 (enExample) 1970-04-21 1970-04-21

Publications (1)

Publication Number Publication Date
ES390370A1 true ES390370A1 (es) 1973-06-01

Family

ID=9054307

Family Applications (1)

Application Number Title Priority Date Filing Date
ES390370A Expired ES390370A1 (es) 1970-04-21 1971-04-21 Sistema de transmision bilateral de senales de corriente continua.

Country Status (4)

Country Link
ES (1) ES390370A1 (enExample)
FR (1) FR2088667A5 (enExample)
GB (1) GB1302153A (enExample)
ZA (1) ZA712398B (enExample)

Also Published As

Publication number Publication date
GB1302153A (enExample) 1973-01-04
FR2088667A5 (enExample) 1972-01-07
ZA712398B (en) 1971-12-29

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