NL173906C - Telefooncentrale voor impulscodemodulatieoverdracht. - Google Patents

Telefooncentrale voor impulscodemodulatieoverdracht.

Info

Publication number
NL173906C
NL173906C NLAANVRAGE7509911,A NL7509911A NL173906C NL 173906 C NL173906 C NL 173906C NL 7509911 A NL7509911 A NL 7509911A NL 173906 C NL173906 C NL 173906C
Authority
NL
Netherlands
Prior art keywords
code modulation
modulation transmission
impulse code
telephone plan
telephone
Prior art date
Application number
NLAANVRAGE7509911,A
Other languages
English (en)
Dutch (nl)
Other versions
NL173906B (nl
NL7509911A (nl
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of NL7509911A publication Critical patent/NL7509911A/xx
Publication of NL173906B publication Critical patent/NL173906B/xx
Application granted granted Critical
Publication of NL173906C publication Critical patent/NL173906C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
NLAANVRAGE7509911,A 1974-09-04 1975-08-21 Telefooncentrale voor impulscodemodulatieoverdracht. NL173906C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69678/74A IT1020712B (it) 1974-09-04 1974-09-04 Cselt centro studi e laboratori telecomunicazioni spa stadio di commutazione elettronica ad alta velocita per canali numeri ci

Publications (3)

Publication Number Publication Date
NL7509911A NL7509911A (nl) 1976-03-08
NL173906B NL173906B (nl) 1983-10-17
NL173906C true NL173906C (nl) 1984-03-16

Family

ID=11312608

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7509911,A NL173906C (nl) 1974-09-04 1975-08-21 Telefooncentrale voor impulscodemodulatieoverdracht.

Country Status (5)

Country Link
US (1) US4009349A (xx)
DE (1) DE2538912C3 (xx)
GB (1) GB1523653A (xx)
IT (1) IT1020712B (xx)
NL (1) NL173906C (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4093827A (en) * 1976-02-17 1978-06-06 Thomson-Csf Symmetrical time division matrix and a network equipped with this kind of matrix
US4143241A (en) * 1977-06-10 1979-03-06 Bell Telephone Laboratories, Incorporated Small digital time division switching arrangement
IT1128762B (it) * 1980-02-20 1986-06-04 Cselt Centro Studi Lab Telecom Circuito per diagnosi di reti di connessione pcm
JPS58137391A (ja) * 1982-02-10 1983-08-15 Fujitsu Ltd 時間スイツチ回路
US4570258A (en) * 1984-02-13 1986-02-11 Wang Laboratories, Inc. Exchange switch
SE461310B (sv) * 1988-07-12 1990-01-29 Ellemtel Utvecklings Ab Saett och anordning foer att i en digital tidsvaeljare genomkoppla en bredbandsfoerbindelse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263030A (en) * 1961-09-26 1966-07-26 Rca Corp Digital crosspoint switch
US3458659A (en) * 1965-09-15 1969-07-29 New North Electric Co Nonblocking pulse code modulation system having storage and gating means with common control
US3637941A (en) * 1970-07-13 1972-01-25 Gte Automatic Electric Lab Inc Integrated switching and transmission network for pulse code modulated signals
DE2108745C2 (de) * 1971-02-24 1980-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Abschluß von Vierdrahtverbindungsleitungen mit nach dem Zeitmultiplexprinzip mit Pulscodemodulation gebildeten Nachrichtenkanälen an Vermittlungsstellen mit speicherprogrammierten Zentralsteuerwerken für Fernmelde-, insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
NL173906B (nl) 1983-10-17
DE2538912A1 (de) 1976-03-25
IT1020712B (it) 1977-12-30
DE2538912B2 (de) 1979-04-19
GB1523653A (en) 1978-09-06
NL7509911A (nl) 1976-03-08
DE2538912C3 (de) 1979-12-20
US4009349A (en) 1977-02-22

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee