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AR227909A1 - Generador de tono para centrales telefonicas a division de tiempo en tecnica pam - Google Patents

Generador de tono para centrales telefonicas a division de tiempo en tecnica pam

Info

Publication number
AR227909A1
AR227909A1 AR284254A AR28425481A AR227909A1 AR 227909 A1 AR227909 A1 AR 227909A1 AR 284254 A AR284254 A AR 284254A AR 28425481 A AR28425481 A AR 28425481A AR 227909 A1 AR227909 A1 AR 227909A1
Authority
AR
Argentina
Prior art keywords
tecnica
pam
time division
tone generator
telephone plants
Prior art date
Application number
AR284254A
Other languages
English (en)
Spanish (es)
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Application granted granted Critical
Publication of AR227909A1 publication Critical patent/AR227909A1/es

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)
AR284254A 1980-02-29 1981-02-09 Generador de tono para centrales telefonicas a division de tiempo en tecnica pam AR227909A1 (es)

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 (1)

Publication Number Publication Date
AR227909A1 true AR227909A1 (es) 1982-12-30

Family

ID=11165170

Family Applications (1)

Application Number Title Priority Date Filing Date
AR284254A AR227909A1 (es) 1980-02-29 1981-02-09 Generador de tono para centrales telefonicas a division de tiempo en tecnica pam

Country Status (10)

Country Link
US (1) US4383313A (sv)
AR (1) AR227909A1 (sv)
BR (1) BR8101065A (sv)
DE (1) DE3107637A1 (sv)
ES (1) ES499684A0 (sv)
FR (1) FR2477347A1 (sv)
GB (1) GB2073548A (sv)
IT (1) IT1209311B (sv)
PT (1) PT72584B (sv)
SE (1) SE8100701L (sv)

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 (sv) * 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 (sv) * 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 (sv) * 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
ES8201797A1 (es) 1982-01-01
PT72584A (fr) 1981-03-01
GB2073548A (en) 1981-10-14
DE3107637A1 (de) 1982-06-09
ES499684A0 (es) 1982-01-01
US4383313A (en) 1983-05-10
SE8100701L (sv) 1981-08-30
IT8020253A0 (it) 1980-02-29
FR2477347A1 (fr) 1981-09-04
IT1209311B (it) 1989-07-16
PT72584B (fr) 1982-03-12
BR8101065A (pt) 1981-09-01

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