SE7605542L - TELECOMMUNICATION DEVICE - Google Patents

TELECOMMUNICATION DEVICE

Info

Publication number
SE7605542L
SE7605542L SE7605542A SE7605542A SE7605542L SE 7605542 L SE7605542 L SE 7605542L SE 7605542 A SE7605542 A SE 7605542A SE 7605542 A SE7605542 A SE 7605542A SE 7605542 L SE7605542 L SE 7605542L
Authority
SE
Sweden
Prior art keywords
telecommunication device
telecommunication
Prior art date
Application number
SE7605542A
Other languages
Swedish (sv)
Inventor
D J Morgan
D C Smith
D B James
C K Liu
R M Smith
Original Assignee
Western Electric Co
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
Priority claimed from US05/580,292 external-priority patent/US3991279A/en
Priority claimed from US05/580,293 external-priority patent/US3991280A/en
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of SE7605542L publication Critical patent/SE7605542L/en

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
    • H04Q11/0421—Circuit arrangements therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
SE7605542A 1975-05-23 1976-05-14 TELECOMMUNICATION DEVICE SE7605542L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/580,292 US3991279A (en) 1975-05-23 1975-05-23 Monobus interface circuit
US05/580,293 US3991280A (en) 1975-05-23 1975-05-23 Monobus variable resistance transmission circuit

Publications (1)

Publication Number Publication Date
SE7605542L true SE7605542L (en) 1976-11-24

Family

ID=27078000

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7605542A SE7605542L (en) 1975-05-23 1976-05-14 TELECOMMUNICATION DEVICE

Country Status (5)

Country Link
JP (1) JPS51144108A (en)
DE (1) DE2622568A1 (en)
FR (1) FR2312145A1 (en)
NL (1) NL7605479A (en)
SE (1) SE7605542L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5921237B2 (en) * 1978-02-01 1984-05-18 ミテル・コ−ポレ−シヨン telephone line circuit
FR2450541A1 (en) * 1979-03-02 1980-09-26 Jeumont Schneider Subscriber automatic telephone exchange - permits phone conferences between internal phones and public network by use of constant line impedance
DE3223033A1 (en) * 1982-06-19 1983-12-22 Philips Kommunikations Industrie AG, 8500 Nürnberg Method and circuit arrangement for setting up conference connections between subscriber stations of a telecommunications network
FR2536614B1 (en) * 1982-11-18 1986-05-16 Laroche Jean Louis DEVICE FOR INTERCONNECTING TRANSMISSION LINES, IN PARTICULAR TELEPHONE LINES, USING DIFFERENTIAL AMPLIFIERS
JPH0728751Y2 (en) * 1988-09-14 1995-06-28 三洋電機株式会社 Telephone device

Also Published As

Publication number Publication date
NL7605479A (en) 1976-11-25
FR2312145A1 (en) 1976-12-17
DE2622568A1 (en) 1976-12-09
JPS51144108A (en) 1976-12-10

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