GB1490260A - Communication system - Google Patents

Communication system

Info

Publication number
GB1490260A
GB1490260A GB23907/75A GB2390775A GB1490260A GB 1490260 A GB1490260 A GB 1490260A GB 23907/75 A GB23907/75 A GB 23907/75A GB 2390775 A GB2390775 A GB 2390775A GB 1490260 A GB1490260 A GB 1490260A
Authority
GB
United Kingdom
Prior art keywords
station
address
register
conference
loop
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB23907/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hasler AG
Original Assignee
Hasler AG
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 filed Critical Hasler AG
Publication of GB1490260A publication Critical patent/GB1490260A/en
Expired legal-status Critical Current

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)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Alarm Systems (AREA)
GB23907/75A 1974-06-17 1975-06-03 Communication system Expired GB1490260A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1490260A true GB1490260A (en) 1977-10-26

Family

ID=4337263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23907/75A Expired GB1490260A (en) 1974-06-17 1975-06-03 Communication system

Country Status (14)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132449A (en) * 1982-12-09 1984-07-04 Standard Telephones Cables Ltd Decentralised PABX

Families Citing this family (5)

* 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
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.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132449A (en) * 1982-12-09 1984-07-04 Standard Telephones Cables Ltd Decentralised PABX

Also Published As

Publication number Publication date
DK142258C (fr) 1981-02-23
DE2523906A1 (de) 1976-01-08
NO752123L (fr) 1975-12-18
AT345351B (de) 1978-09-11
JPS5111505A (fr) 1976-01-29
SE410545B (sv) 1979-10-15
NO141914C (no) 1980-05-28
IL47446A0 (en) 1975-08-31
NL7507183A (nl) 1975-12-19
FR2275086B1 (fr) 1982-04-30
CA1026478A (fr) 1978-02-14
IT1036322B (it) 1979-10-30
IL47446A (en) 1977-12-30
DK249075A (fr) 1975-12-18
ATA413775A (de) 1978-01-15
SE7506860L (sv) 1975-12-18
BE830333A (fr) 1975-12-17
JPS597255B2 (ja) 1984-02-17
FR2275086A1 (fr) 1976-01-09
DK142258B (da) 1980-09-29
AU8206375A (en) 1976-12-16
NO141914B (no) 1980-02-18
CH575692A5 (fr) 1976-05-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee