IT1209311B - Generatore di toni per centrali telefoniche a divisione di tempo. - Google Patents

Generatore di toni per centrali telefoniche a divisione di tempo.

Info

Publication number
IT1209311B
IT1209311B IT8020253A IT2025380A IT1209311B IT 1209311 B IT1209311 B IT 1209311B IT 8020253 A IT8020253 A IT 8020253A IT 2025380 A IT2025380 A IT 2025380A IT 1209311 B IT1209311 B IT 1209311B
Authority
IT
Italy
Prior art keywords
time division
tone generator
telephone units
division telephone
units
Prior art date
Application number
IT8020253A
Other languages
English (en)
Other versions
IT8020253A0 (it
Inventor
Sbuelz Anes
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of IT8020253A0 publication Critical patent/IT8020253A0/it
Priority to IT8020253A priority Critical patent/IT1209311B/it
Priority to SE8100701A priority patent/SE8100701L/
Priority to FR8102469A priority patent/FR2477347A1/fr
Priority to AR284254A priority patent/AR227909A1/es
Priority to ES499684A priority patent/ES8201797A1/es
Priority to BR8101065A priority patent/BR8101065A/pt
Priority to US06/238,575 priority patent/US4383313A/en
Priority to DE19813107637 priority patent/DE3107637A1/de
Priority to PT72584A priority patent/PT72584B/pt
Priority to GB8106468A priority patent/GB2073548A/en
Application granted granted Critical
Publication of IT1209311B publication Critical patent/IT1209311B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
IT8020253A 1980-02-29 1980-02-29 Generatore di toni per centrali telefoniche a divisione di tempo. IT1209311B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
IT8020253A IT1209311B (it) 1980-02-29 1980-02-29 Generatore di toni per centrali telefoniche a divisione di tempo.
SE8100701A SE8100701L (sv) 1980-02-29 1981-01-30 Tongenerator for en med tidsuppdelning arbetande telefonvexel
FR8102469A FR2477347A1 (fr) 1980-02-29 1981-02-09 Generateur de tonalites pour centraux telephoniques a division de temps
AR284254A AR227909A1 (es) 1980-02-29 1981-02-09 Generador de tono para centrales telefonicas a division de tiempo en tecnica pam
ES499684A ES8201797A1 (es) 1980-02-29 1981-02-21 Perfeccionamientos en los generadores de tono para centralestelefonicas con division de tiempo
BR8101065A BR8101065A (pt) 1980-02-29 1981-02-23 Gerador de tons para centrais telefonicas com divisao de tempo
US06/238,575 US4383313A (en) 1980-02-29 1981-02-26 Tone generator for PAM/TDM telecommunication system
DE19813107637 DE3107637A1 (de) 1980-02-29 1981-02-27 Schaltungsanordnung fuer den tonfrequenzgenerator einer pam-zeitmultiplex-fernsprechvermittlungsstelle
PT72584A PT72584B (fr) 1980-02-29 1981-02-27 Generateur de signes acoustiques pour des centrales telephoni- ques par division du temps
GB8106468A GB2073548A (en) 1980-02-29 1981-03-02 Tone generators for time-division telephone exchanges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8020253A IT1209311B (it) 1980-02-29 1980-02-29 Generatore di toni per centrali telefoniche a divisione di tempo.

Publications (2)

Publication Number Publication Date
IT8020253A0 IT8020253A0 (it) 1980-02-29
IT1209311B true IT1209311B (it) 1989-07-16

Family

ID=11165170

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8020253A IT1209311B (it) 1980-02-29 1980-02-29 Generatore di toni per centrali telefoniche a divisione di tempo.

Country Status (10)

Country Link
US (1) US4383313A (it)
AR (1) AR227909A1 (it)
BR (1) BR8101065A (it)
DE (1) DE3107637A1 (it)
ES (1) ES8201797A1 (it)
FR (1) FR2477347A1 (it)
GB (1) GB2073548A (it)
IT (1) IT1209311B (it)
PT (1) PT72584B (it)
SE (1) SE8100701L (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995054A (en) * 1987-07-08 1991-02-19 Eckersley Gregory P Data transmission using switched resonance
US5825781A (en) * 1995-12-20 1998-10-20 Hubbell, Inc. Pulse amplitude modulated tone generator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE524024A (it) * 1952-11-07
DE1281400B (de) * 1958-03-26 1968-10-24 Dr Phil Helmut Pichler Verfahren zur kontinuierlichen Trennung von Gasen nach dem Prinzip der Gas-Elutions-Chromatographie
BE629097A (it) * 1962-03-02
US3519747A (en) * 1967-09-15 1970-07-07 Ibm Signal insertion and conferencing in a resonant transfer integrated time division switching and frequency division multiplexing communication system
FR2009623A1 (it) * 1968-05-30 1970-02-06 Sits Soc It Telecom Siemens
DE2000832C3 (de) * 1970-01-09 1979-11-22 Standard Elektrik Lorenz Ag, 7000 Stuttgart Rufverfahren und Rufeinrichtung für Zeitmultiplex-Vermittlungsanlagen
US4028628A (en) * 1975-12-05 1977-06-07 Bell Telephone Laboratories, Incorporated Transceivers for single channel carrier telephone systems

Also Published As

Publication number Publication date
FR2477347A1 (fr) 1981-09-04
ES499684A0 (es) 1982-01-01
GB2073548A (en) 1981-10-14
IT8020253A0 (it) 1980-02-29
ES8201797A1 (es) 1982-01-01
PT72584A (fr) 1981-03-01
DE3107637A1 (de) 1982-06-09
PT72584B (fr) 1982-03-12
US4383313A (en) 1983-05-10
AR227909A1 (es) 1982-12-30
BR8101065A (pt) 1981-09-01
SE8100701L (sv) 1981-08-30

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971110