NO132666B - - Google Patents

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Publication number
NO132666B
NO132666B NO498/73A NO49873A NO132666B NO 132666 B NO132666 B NO 132666B NO 498/73 A NO498/73 A NO 498/73A NO 49873 A NO49873 A NO 49873A NO 132666 B NO132666 B NO 132666B
Authority
NO
Norway
Prior art keywords
solution
residue
group
hydrazine
distilled
Prior art date
Application number
NO498/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO132666C (cg-RX-API-DMAC7.html
Inventor
N H Edstroem
S G V Lindqvist
G E W Sparrendahl
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO132666B publication Critical patent/NO132666B/no
Publication of NO132666C publication Critical patent/NO132666C/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Exchange Systems With Centralized Control (AREA)
NO498/73A 1972-02-08 1973-02-07 NO132666C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE01446/72A SE353996B (cg-RX-API-DMAC7.html) 1972-02-08 1972-02-08

Publications (2)

Publication Number Publication Date
NO132666B true NO132666B (cg-RX-API-DMAC7.html) 1975-09-01
NO132666C NO132666C (cg-RX-API-DMAC7.html) 1975-12-10

Family

ID=20258204

Family Applications (1)

Application Number Title Priority Date Filing Date
NO498/73A NO132666C (cg-RX-API-DMAC7.html) 1972-02-08 1973-02-07

Country Status (14)

Country Link
US (1) US3818142A (cg-RX-API-DMAC7.html)
JP (1) JPS4889614A (cg-RX-API-DMAC7.html)
AU (1) AU473237B2 (cg-RX-API-DMAC7.html)
BE (1) BE795167A (cg-RX-API-DMAC7.html)
CA (1) CA1001274A (cg-RX-API-DMAC7.html)
DE (1) DE2306301C3 (cg-RX-API-DMAC7.html)
DK (1) DK142069B (cg-RX-API-DMAC7.html)
FI (1) FI57863C (cg-RX-API-DMAC7.html)
FR (1) FR2171246B1 (cg-RX-API-DMAC7.html)
IT (1) IT978930B (cg-RX-API-DMAC7.html)
NL (1) NL7301527A (cg-RX-API-DMAC7.html)
NO (1) NO132666C (cg-RX-API-DMAC7.html)
SE (1) SE353996B (cg-RX-API-DMAC7.html)
SU (1) SU659112A3 (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2246145B1 (cg-RX-API-DMAC7.html) * 1973-07-20 1976-09-17 Ibm France
US3903370A (en) * 1973-12-21 1975-09-02 Bell Telephone Labor Inc Line switch controller for a time division switching system
US4005272A (en) * 1974-08-14 1977-01-25 Arthur A. Collins, Inc. Time folded TST (time space time) switch
US3975712A (en) * 1975-02-18 1976-08-17 Motorola, Inc. Asynchronous communication interface adaptor
US4001781A (en) * 1975-02-18 1977-01-04 International Standard Electric Corporation Electronic switching element
DE2618922C2 (de) * 1976-04-29 1978-04-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung für PCM-Zeitmultiplexvermittlungen
SE424498B (sv) * 1977-09-09 1982-07-19 Ellemtel Utvecklings Ab Digitalt veljarenet
DE3122230A1 (de) * 1981-06-04 1982-12-23 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer zeitmultiplex-fernmeldevermittlungsanlagen, insbesondere pcm-fernsprechvermittlungsanlagen, mit zeitmultiplexleitungen, deren zeitkanaele teils fuer nachrichtenverbindungen und teils zur uebertragung von signalisierungsinformationen dienen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458658A (en) * 1965-09-14 1969-07-29 New North Electric Co Nonblocking switching system with reduced number of contacts
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
US3585306A (en) * 1968-05-16 1971-06-15 Bell Telephone Labor Inc Tandem office time division switching system
FR2032113A5 (cg-RX-API-DMAC7.html) * 1969-02-19 1970-11-20 Labo Cent Telecommunicat
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
US3694580A (en) * 1971-07-28 1972-09-26 Bell Telephone Labor Inc Time division switching system
BE789402A (fr) * 1971-10-01 1973-01-15 Western Electric Co Systeme de commutation a repartition temporelle

Also Published As

Publication number Publication date
JPS4889614A (cg-RX-API-DMAC7.html) 1973-11-22
AU473237B2 (en) 1976-06-17
AU5179173A (en) 1974-08-08
DE2306301A1 (de) 1973-08-23
DK142069B (da) 1980-08-18
DK142069C (cg-RX-API-DMAC7.html) 1981-02-09
DE2306301B2 (de) 1975-04-24
IT978930B (it) 1974-09-20
FI57863C (fi) 1980-10-10
US3818142A (en) 1974-06-18
SU659112A3 (ru) 1979-04-25
DE2306301C3 (de) 1975-12-04
FR2171246B1 (cg-RX-API-DMAC7.html) 1977-02-04
FI57863B (fi) 1980-06-30
CA1001274A (en) 1976-12-07
SE353996B (cg-RX-API-DMAC7.html) 1973-02-19
FR2171246A1 (cg-RX-API-DMAC7.html) 1973-09-21
NL7301527A (cg-RX-API-DMAC7.html) 1973-08-10
NO132666C (cg-RX-API-DMAC7.html) 1975-12-10
BE795167A (fr) 1973-05-29

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