ES339964A1 - Metodo de alimentacion para frecuencias de senalizacion. - Google Patents

Metodo de alimentacion para frecuencias de senalizacion.

Info

Publication number
ES339964A1
ES339964A1 ES339964A ES339964A ES339964A1 ES 339964 A1 ES339964 A1 ES 339964A1 ES 339964 A ES339964 A ES 339964A ES 339964 A ES339964 A ES 339964A ES 339964 A1 ES339964 A1 ES 339964A1
Authority
ES
Spain
Prior art keywords
signaling
frequency
winding
output line
hybrid coil
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
ES339964A
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 ES339964A1 publication Critical patent/ES339964A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
ES339964A 1966-04-28 1967-04-28 Metodo de alimentacion para frecuencias de senalizacion. Expired ES339964A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH618066A CH454959A (de) 1966-04-28 1966-04-28 Verfahren zur Signalfrequenzeinspeisung in einer Fernsprechanlage

Publications (1)

Publication Number Publication Date
ES339964A1 true ES339964A1 (es) 1968-05-16

Family

ID=4305531

Family Applications (1)

Application Number Title Priority Date Filing Date
ES339964A Expired ES339964A1 (es) 1966-04-28 1967-04-28 Metodo de alimentacion para frecuencias de senalizacion.

Country Status (4)

Country Link
US (1) US3519758A (es)
CH (1) CH454959A (es)
DE (1) DE1512868A1 (es)
ES (1) ES339964A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010328A (en) * 1975-06-13 1977-03-01 The Anaconda Company Out-of-band signaling method and apparatus to adapt payphones to telephone systems
AT358105B (de) * 1977-08-17 1980-08-25 Siemens Ag Oesterreich Hoerzeichen-anschalteeinrichtung fuer zentral- gesteuerte fernsprechvermittlungseinrichtungen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1165099B (de) * 1962-07-17 1964-03-12 Standard Elektrik Lorenz Ag Empfangseinrichtung fuer tonfrequente Tastwahl-Codezeichen in Fernmelde-, insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
US3519758A (en) 1970-07-07
CH454959A (de) 1968-04-30
DE1512868A1 (de) 1969-07-17

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