ES377207A1 - Un circuito de supervision electronica para sistemas de te-lecomunicacion. - Google Patents

Un circuito de supervision electronica para sistemas de te-lecomunicacion.

Info

Publication number
ES377207A1
ES377207A1 ES377207A ES377207A ES377207A1 ES 377207 A1 ES377207 A1 ES 377207A1 ES 377207 A ES377207 A ES 377207A ES 377207 A ES377207 A ES 377207A ES 377207 A1 ES377207 A1 ES 377207A1
Authority
ES
Spain
Prior art keywords
terminals
transistor
choke
hook
loop
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
ES377207A
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.)
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 ES377207A1 publication Critical patent/ES377207A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
ES377207A 1969-03-07 1970-03-06 Un circuito de supervision electronica para sistemas de te-lecomunicacion. Expired ES377207A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6906404A FR2036239A5 (es) 1969-03-07 1969-03-07

Publications (1)

Publication Number Publication Date
ES377207A1 true ES377207A1 (es) 1972-06-01

Family

ID=9030281

Family Applications (1)

Application Number Title Priority Date Filing Date
ES377207A Expired ES377207A1 (es) 1969-03-07 1970-03-06 Un circuito de supervision electronica para sistemas de te-lecomunicacion.

Country Status (4)

Country Link
DE (1) DE2009686A1 (es)
ES (1) ES377207A1 (es)
FR (1) FR2036239A5 (es)
GB (1) GB1253498A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939009A1 (de) * 1979-09-26 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur feststellung des schaltzustandes einer teilnehmeranschlussleitung in fernsprechvermittlungsanlagen

Also Published As

Publication number Publication date
FR2036239A5 (es) 1970-12-24
DE2009686A1 (de) 1970-09-24
GB1253498A (en) 1971-11-17

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