DK249075A - - Google Patents

Info

Publication number
DK249075A
DK249075A DK249075A DK249075A DK249075A DK 249075 A DK249075 A DK 249075A DK 249075 A DK249075 A DK 249075A DK 249075 A DK249075 A DK 249075A DK 249075 A DK249075 A DK 249075A
Authority
DK
Denmark
Application number
DK249075A
Other languages
Danish (da)
Other versions
DK142258C (ja
DK142258B (da
Inventor
E Hafner
Original Assignee
Hasler Ag Bern
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 Hasler Ag Bern filed Critical Hasler Ag Bern
Publication of DK249075A publication Critical patent/DK249075A/da
Publication of DK142258B publication Critical patent/DK142258B/da
Application granted granted Critical
Publication of DK142258C publication Critical patent/DK142258C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Alarm Systems (AREA)
DK249075AA 1974-06-17 1975-06-04 Fremgangsmåde til opbygning af en konferenceforbindelse mellem flere end to abonnentsteder i et ringsystem. DK142258B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH823874 1974-06-17
CH823874A CH575692A5 (ja) 1974-06-17 1974-06-17

Publications (3)

Publication Number Publication Date
DK249075A true DK249075A (ja) 1975-12-18
DK142258B DK142258B (da) 1980-09-29
DK142258C DK142258C (ja) 1981-02-23

Family

ID=4337263

Family Applications (1)

Application Number Title Priority Date Filing Date
DK249075AA DK142258B (da) 1974-06-17 1975-06-04 Fremgangsmåde til opbygning af en konferenceforbindelse mellem flere end to abonnentsteder i et ringsystem.

Country Status (14)

Country Link
JP (1) JPS597255B2 (ja)
AT (1) AT345351B (ja)
BE (1) BE830333A (ja)
CA (1) CA1026478A (ja)
CH (1) CH575692A5 (ja)
DE (1) DE2523906A1 (ja)
DK (1) DK142258B (ja)
FR (1) FR2275086A1 (ja)
GB (1) GB1490260A (ja)
IL (1) IL47446A (ja)
IT (1) IT1036322B (ja)
NL (1) NL7507183A (ja)
NO (1) NO141914C (ja)
SE (1) SE410545B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111166A (en) * 1980-12-26 1982-07-10 Fujitsu Ltd Add-on connection system
GB2132449A (en) * 1982-12-09 1984-07-04 Standard Telephones Cables Ltd Decentralised PABX
US4544804A (en) * 1983-01-24 1985-10-01 At&T Bell Laboratories Conference control transfer arrangement
DE3501834A1 (de) * 1985-01-21 1986-07-24 Siemens AG, 1000 Berlin und 8000 München Sprecheinrichtung fuer ein nachrichtenuebertragungssystem mit digitalem vierdraht-omnibuskanal
SE449152B (sv) * 1986-03-19 1987-04-06 Paul Gosta Wilhelm Rosen Kommunikationsanleggning innefattande ett flertal enheter vilka kan uppretthalla en konferenskoppling
DE10062342A1 (de) * 2000-12-14 2002-07-11 Eads Defence & Security Ntwk Verfahren und Vorrichtung zur Realisierung von Sprachkonferenzen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH550521A (de) * 1972-07-04 1974-06-14 Hasler Ag Verfahren zur nachrichtenuebertragung zwischen teilnehmerstellen.

Also Published As

Publication number Publication date
NO141914C (no) 1980-05-28
CA1026478A (en) 1978-02-14
NL7507183A (nl) 1975-12-19
DE2523906A1 (de) 1976-01-08
NO141914B (no) 1980-02-18
FR2275086B1 (ja) 1982-04-30
BE830333A (fr) 1975-12-17
AU8206375A (en) 1976-12-16
SE410545B (sv) 1979-10-15
JPS597255B2 (ja) 1984-02-17
FR2275086A1 (fr) 1976-01-09
ATA413775A (de) 1978-01-15
NO752123L (ja) 1975-12-18
JPS5111505A (ja) 1976-01-29
IT1036322B (it) 1979-10-30
AT345351B (de) 1978-09-11
SE7506860L (sv) 1975-12-18
DK142258C (ja) 1981-02-23
IL47446A (en) 1977-12-30
CH575692A5 (ja) 1976-05-14
DK142258B (da) 1980-09-29
IL47446A0 (en) 1975-08-31
GB1490260A (en) 1977-10-26

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Legal Events

Date Code Title Description
PBP Patent lapsed