ES466777A1 - Un circuito para rastrear llamadas en un sistema telefonico. - Google Patents

Un circuito para rastrear llamadas en un sistema telefonico.

Info

Publication number
ES466777A1
ES466777A1 ES466777A ES466777A ES466777A1 ES 466777 A1 ES466777 A1 ES 466777A1 ES 466777 A ES466777 A ES 466777A ES 466777 A ES466777 A ES 466777A ES 466777 A1 ES466777 A1 ES 466777A1
Authority
ES
Spain
Prior art keywords
translation
receiver
circuit
machine
legally binding
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
ES466777A
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 ES466777A1 publication Critical patent/ES466777A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
ES466777A 1977-02-08 1978-02-08 Un circuito para rastrear llamadas en un sistema telefonico. Expired ES466777A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772705137 DE2705137C2 (de) 1977-02-08 1977-02-08 Schaltungsanordnung zum Fangen in einem Fernsprechsystem

Publications (1)

Publication Number Publication Date
ES466777A1 true ES466777A1 (es) 1978-10-01

Family

ID=6000590

Family Applications (1)

Application Number Title Priority Date Filing Date
ES466777A Expired ES466777A1 (es) 1977-02-08 1978-02-08 Un circuito para rastrear llamadas en un sistema telefonico.

Country Status (3)

Country Link
DE (1) DE2705137C2 (de)
ES (1) ES466777A1 (de)
FR (1) FR2379951A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1148027B (it) * 1981-03-03 1986-11-26 Cselt Centro Studi Lab Telecom Sistema per la propagazione lungo un collegamento telefonico dell i dentita degli utenti interessati a tale collegamento
BR8106464A (pt) * 1981-10-02 1983-09-13 Sonintel Sociedade Nacional De Detector de chamada telefonicas
CA1217550A (en) * 1981-10-02 1987-02-03 Jose P. Pintos Calling line tracing system and identification detector
DE3326979A1 (de) * 1983-07-27 1985-02-07 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer fernmeldevermittlungssysteme mit direktwahl

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239741B (de) * 1965-07-28 1967-05-03 Siemens Ag Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen, mit Einrichtungen zur automatischen Verbindungs-verfolgung
DE2657880A1 (de) * 1976-12-21 1978-06-22 Standard Elektrik Lorenz Ag Fernsprechwaehlsystem

Also Published As

Publication number Publication date
FR2379951B3 (de) 1980-10-10
FR2379951A1 (fr) 1978-09-01
DE2705137A1 (de) 1978-08-10
DE2705137C2 (de) 1983-04-21

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991119