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ES314531A1 - Circuitos de señalizacion de supervision. - Google Patents

Circuitos de señalizacion de supervision.

Info

Publication number
ES314531A1
ES314531A1 ES0314531A ES314531A ES314531A1 ES 314531 A1 ES314531 A1 ES 314531A1 ES 0314531 A ES0314531 A ES 0314531A ES 314531 A ES314531 A ES 314531A ES 314531 A1 ES314531 A1 ES 314531A1
Authority
ES
Spain
Prior art keywords
call
channels
translation
tone
machine
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
ES0314531A
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 ES314531A1 publication Critical patent/ES314531A1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
ES0314531A 1964-06-25 1965-06-23 Circuitos de señalizacion de supervision. Expired ES314531A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US377896A US3358086A (en) 1964-06-25 1964-06-25 Supervisory signal detector

Publications (1)

Publication Number Publication Date
ES314531A1 true ES314531A1 (es) 1966-02-16

Family

ID=23490955

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0314531A Expired ES314531A1 (es) 1964-06-25 1965-06-23 Circuitos de señalizacion de supervision.

Country Status (7)

Country Link
US (1) US3358086A (es)
CH (1) CH449718A (es)
DE (1) DE1298149B (es)
ES (1) ES314531A1 (es)
GB (1) GB1074986A (es)
NL (1) NL6508152A (es)
SE (1) SE317110B (es)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205312A (en) * 1960-12-23 1965-09-07 Gen Dynamics Corp Off-hook detector
US3146314A (en) * 1961-09-25 1964-08-25 Gen Dynamics Corp Means for generating warbling tone ringing signals in a time division multiplex communication system
US3164679A (en) * 1962-10-09 1965-01-05 Northern Electric Co Bi-directional amplifying systems

Also Published As

Publication number Publication date
SE317110B (es) 1969-11-10
CH449718A (de) 1968-01-15
US3358086A (en) 1967-12-12
DE1298149B (de) 1969-06-26
GB1074986A (en) 1967-07-05
NL6508152A (es) 1965-12-27

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