SE435123B - Telekommunikationsterminal - Google Patents

Telekommunikationsterminal

Info

Publication number
SE435123B
SE435123B SE8300257A SE8300257A SE435123B SE 435123 B SE435123 B SE 435123B SE 8300257 A SE8300257 A SE 8300257A SE 8300257 A SE8300257 A SE 8300257A SE 435123 B SE435123 B SE 435123B
Authority
SE
Sweden
Prior art keywords
voltage
case
terminal
wire
output
Prior art date
Application number
SE8300257A
Other languages
English (en)
Swedish (sv)
Other versions
SE8300257L (sv
SE8300257D0 (sv
Inventor
A Eriksson
Original Assignee
Ellemtel Utvecklings 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 Ellemtel Utvecklings Ab filed Critical Ellemtel Utvecklings Ab
Priority to SE8300257A priority Critical patent/SE435123B/sv
Publication of SE8300257D0 publication Critical patent/SE8300257D0/xx
Priority to DE8484900550T priority patent/DE3463714D1/de
Priority to CA000445322A priority patent/CA1206647A/fr
Priority to EP84900550A priority patent/EP0132272B1/fr
Priority to JP59500607A priority patent/JPS60500233A/ja
Priority to US06/648,172 priority patent/US4598172A/en
Priority to PCT/SE1984/000008 priority patent/WO1984003015A1/fr
Publication of SE8300257L publication Critical patent/SE8300257L/
Publication of SE435123B publication Critical patent/SE435123B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)
SE8300257A 1983-01-19 1983-01-19 Telekommunikationsterminal SE435123B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8300257A SE435123B (sv) 1983-01-19 1983-01-19 Telekommunikationsterminal
DE8484900550T DE3463714D1 (en) 1983-01-19 1984-01-13 Telecommunication terminal
CA000445322A CA1206647A (fr) 1983-01-19 1984-01-13 Terminal de telecommunications
EP84900550A EP0132272B1 (fr) 1983-01-19 1984-01-13 Terminal de telecommunications
JP59500607A JPS60500233A (ja) 1983-01-19 1984-01-13 遠隔通信端末
US06/648,172 US4598172A (en) 1983-01-19 1984-01-13 Telecommunication terminal
PCT/SE1984/000008 WO1984003015A1 (fr) 1983-01-19 1984-01-13 Terminal de telecommunications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8300257A SE435123B (sv) 1983-01-19 1983-01-19 Telekommunikationsterminal

Publications (3)

Publication Number Publication Date
SE8300257D0 SE8300257D0 (sv) 1983-01-19
SE8300257L SE8300257L (sv) 1984-07-20
SE435123B true SE435123B (sv) 1984-09-03

Family

ID=20349664

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8300257A SE435123B (sv) 1983-01-19 1983-01-19 Telekommunikationsterminal

Country Status (7)

Country Link
US (1) US4598172A (fr)
EP (1) EP0132272B1 (fr)
JP (1) JPS60500233A (fr)
CA (1) CA1206647A (fr)
DE (1) DE3463714D1 (fr)
SE (1) SE435123B (fr)
WO (1) WO1984003015A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771449A (en) * 1986-12-01 1988-09-13 Comfab, Inc. Data station termination circuit
US5034978A (en) * 1989-12-15 1991-07-23 Xel Communications, Inc. Universal channel unit switchable between two wire and four wire configurations
US5295178A (en) * 1990-12-03 1994-03-15 Ericsson Ge Mobile Communications Inc. Digital signal processor for radio base station

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH539982A (de) * 1971-04-21 1973-07-31 Siemens Ag Sende- und Empfangseinrichtung mit einem gemeinsamen Sende-Empfangs-Filter
GB1437031A (en) * 1973-04-04 1976-05-26 Plessey Co Ltd House exchange telephone system
GB1566913A (en) * 1977-02-24 1980-05-08 Standard Telephones Cables Ltd Automatic telecommunication exchanges
US4173714A (en) * 1977-06-03 1979-11-06 Tie/Communications, Inc. Communication circuit with combined power feed and data transmission over a phantom channel
JPS544510A (en) * 1977-06-14 1979-01-13 Hitachi Ltd Combined trunk system between two wires and four wires

Also Published As

Publication number Publication date
JPS60500233A (ja) 1985-02-21
DE3463714D1 (en) 1987-06-19
SE8300257L (sv) 1984-07-20
CA1206647A (fr) 1986-06-24
EP0132272B1 (fr) 1987-05-13
WO1984003015A1 (fr) 1984-08-02
EP0132272A1 (fr) 1985-01-30
SE8300257D0 (sv) 1983-01-19
US4598172A (en) 1986-07-01

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