IT1182066B - Procedimento per generare un segnale acustico di chiamata - Google Patents

Procedimento per generare un segnale acustico di chiamata

Info

Publication number
IT1182066B
IT1182066B IT48359/85A IT4835985A IT1182066B IT 1182066 B IT1182066 B IT 1182066B IT 48359/85 A IT48359/85 A IT 48359/85A IT 4835985 A IT4835985 A IT 4835985A IT 1182066 B IT1182066 B IT 1182066B
Authority
IT
Italy
Prior art keywords
procedure
generating
call signal
audio call
audio
Prior art date
Application number
IT48359/85A
Other languages
English (en)
Other versions
IT8548359A0 (it
Inventor
Willi Gunter
Original Assignee
Telefonbau & Normalzeit Gmbh
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 Telefonbau & Normalzeit Gmbh filed Critical Telefonbau & Normalzeit Gmbh
Publication of IT8548359A0 publication Critical patent/IT8548359A0/it
Application granted granted Critical
Publication of IT1182066B publication Critical patent/IT1182066B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
IT48359/85A 1984-07-21 1985-07-26 Procedimento per generare un segnale acustico di chiamata IT1182066B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843426915 DE3426915A1 (de) 1984-07-21 1984-07-21 Verfahren zur erzeugung eines akustischen rufsignals

Publications (2)

Publication Number Publication Date
IT8548359A0 IT8548359A0 (it) 1985-07-26
IT1182066B true IT1182066B (it) 1987-09-30

Family

ID=6241212

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48359/85A IT1182066B (it) 1984-07-21 1985-07-26 Procedimento per generare un segnale acustico di chiamata

Country Status (2)

Country Link
DE (1) DE3426915A1 (it)
IT (1) IT1182066B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1287417C (en) * 1988-03-04 1991-08-06 Guy Charles Quesnel Digital composite tone alerting
DE19620624C2 (de) * 1996-05-22 2002-10-24 Siemens Ag Kommunikationsendgerät mit Vorrichtung zur akustischen Signalisierung eines vermittlungstechnischen Zustandes
JP2004516709A (ja) * 2000-12-13 2004-06-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 主観的な低音を知覚させることができる呼出信号発生手段を有する電気音響装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2520532B2 (de) * 1975-05-07 1978-09-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung für eine Ruftoneinrichtung für Fernmelde-, insbesondere Fernsprechanlagen
DE2816782C3 (de) * 1978-04-18 1980-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Erzeugen eines akustischen Rufsignales in Teilnehmerstationen von Fernmelde-, insbesondere Fernsprechanlagen
DE2924752C2 (de) * 1979-06-20 1984-02-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Tongenerator zur Erzeugung von Signalisierungsfrequenzen in einem MFV-Fernsprechapparat

Also Published As

Publication number Publication date
DE3426915A1 (de) 1986-01-30
IT8548359A0 (it) 1985-07-26
DE3426915C2 (it) 1987-05-14

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