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CA944090A - Telecommunication system with telephone channel and optional wide-band channel - Google Patents

Telecommunication system with telephone channel and optional wide-band channel

Info

Publication number
CA944090A
CA944090A CA141,090A CA141090A CA944090A CA 944090 A CA944090 A CA 944090A CA 141090 A CA141090 A CA 141090A CA 944090 A CA944090 A CA 944090A
Authority
CA
Canada
Prior art keywords
channel
telecommunication system
telephone
optional wide
band
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
CA141,090A
Other versions
CA141090S (en
Inventor
Harold J.C. Bjork
Torben E. Caroc
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of CA944090A publication Critical patent/CA944090A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
CA141,090A 1971-05-18 1972-05-02 Telecommunication system with telephone channel and optional wide-band channel Expired CA944090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE641271A SE352798B (en) 1971-05-18 1971-05-18

Publications (1)

Publication Number Publication Date
CA944090A true CA944090A (en) 1974-03-19

Family

ID=20268607

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,090A Expired CA944090A (en) 1971-05-18 1972-05-02 Telecommunication system with telephone channel and optional wide-band channel

Country Status (12)

Country Link
JP (1) JPS5529631B1 (en)
AU (1) AU465426B2 (en)
CA (1) CA944090A (en)
DE (1) DE2223539C3 (en)
DK (1) DK142479C (en)
ES (1) ES402811A1 (en)
FI (1) FI56294C (en)
FR (1) FR2138023B1 (en)
GB (1) GB1388039A (en)
IT (1) IT955625B (en)
NO (1) NO129824B (en)
SE (1) SE352798B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2841328C2 (en) * 1978-09-20 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Special telephone system with telephoto control device
BR9002488A (en) * 1990-04-04 1991-11-12 Mentel Mensagens Telefonicos E AUTOMATIC SYSTEM FOR REPRODUCTION OF RECORDED MESSAGE IN VOICE ON TELEPHONE LINE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512938B2 (en) * 1967-04-28 1970-11-12 Siemens AG, 1000 Berlin u. 8000 München Circuit arrangement for telephone systems, in particular telephone branch exchange systems with central control, for connecting connection points provided with television equipment
DE1964257B2 (en) * 1969-12-22 1976-11-18 Robert Bosch Gmbh, 7000 Stuttgart METHOD AND ARRANGEMENT FOR ESTABLISHING A CONNECTION PATH FOR VIDEO SIGNALS

Also Published As

Publication number Publication date
GB1388039A (en) 1975-03-19
FI56294C (en) 1979-12-10
JPS5529631B1 (en) 1980-08-05
DE2223539C3 (en) 1978-04-13
AU4194372A (en) 1973-11-08
DE2223539A1 (en) 1972-11-30
DE2223539B2 (en) 1974-09-05
FR2138023A1 (en) 1972-12-29
DK142479B (en) 1980-11-03
IT955625B (en) 1973-09-29
AU465426B2 (en) 1975-09-25
ES402811A1 (en) 1975-04-01
NO129824B (en) 1974-05-27
SE352798B (en) 1973-01-08
FR2138023B1 (en) 1973-07-13
DK142479C (en) 1981-03-16
FI56294B (en) 1979-08-31

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