SE8008587L - Anpassning for en abonnenttelefonlinje - Google Patents

Anpassning for en abonnenttelefonlinje

Info

Publication number
SE8008587L
SE8008587L SE8008587A SE8008587A SE8008587L SE 8008587 L SE8008587 L SE 8008587L SE 8008587 A SE8008587 A SE 8008587A SE 8008587 A SE8008587 A SE 8008587A SE 8008587 L SE8008587 L SE 8008587L
Authority
SE
Sweden
Prior art keywords
exchange
analogue
line
digital
subscribe
Prior art date
Application number
SE8008587A
Other languages
Unknown language ( )
English (en)
Inventor
A W Sweet
Original Assignee
Standard Telephones Cables Ltd
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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of SE8008587L publication Critical patent/SE8008587L/sv

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
SE8008587A 1979-12-13 1980-12-08 Anpassning for en abonnenttelefonlinje SE8008587L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7943074A GB2066023B (en) 1979-12-13 1979-12-13 Telephone line interface

Publications (1)

Publication Number Publication Date
SE8008587L true SE8008587L (sv) 1981-06-14

Family

ID=10509838

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8008587A SE8008587L (sv) 1979-12-13 1980-12-08 Anpassning for en abonnenttelefonlinje

Country Status (15)

Country Link
US (1) US4345115A (sv)
JP (1) JPS56111394A (sv)
AU (1) AU541812B2 (sv)
BE (1) BE890404R (sv)
CH (1) CH651986A5 (sv)
DE (1) DE3043906A1 (sv)
EG (1) EG13942A (sv)
FR (1) FR2472320A1 (sv)
GB (1) GB2066023B (sv)
IE (1) IE50882B1 (sv)
IT (1) IT1134726B (sv)
NL (1) NL8006665A (sv)
NZ (1) NZ195660A (sv)
SE (1) SE8008587L (sv)
ZA (1) ZA807678B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410982A (en) * 1981-05-07 1983-10-18 Gte Automatic Electric Labs. Inc. Arrangement for extending digital signaling to telephone subscribers' substations
DE3221387A1 (de) * 1982-06-05 1983-12-08 Krone Gmbh, 1000 Berlin Digitales fernsprechendgeraet mit anschluessen fuer analoge zusatzgeraete
US4592046A (en) * 1983-03-13 1986-05-27 Iwasaki Tsushinki Kabushiki Kaisha Subscriber's circuit for time division switching system
JPS63283351A (ja) * 1987-05-15 1988-11-21 Canon Inc Ｉｓｄｎタ−ミナルアダプタ
US5241564A (en) * 1989-08-30 1993-08-31 Digital Equipment Corporation Low noise, high performance data bus system and method
AT406534B (de) * 1996-07-03 2000-06-26 Ericsson Austria Ag Schaltungsanordnung zur detektion von analogen vermittlungs- und prüfsignalen
US6169801B1 (en) 1998-03-16 2001-01-02 Midcom, Inc. Digital isolation apparatus and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2377132A1 (fr) * 1977-01-11 1978-08-04 Labo Cent Telecommunicat Dispositif de protection pour joncteur electronique
NL7700719A (nl) * 1977-01-25 1978-07-27 Philips Nv Storingsongevoelig lijnsupervisiecircuit.
US4087646A (en) * 1977-01-28 1978-05-02 Bell Telephone Laboratories, Incorporated Dual mode telephone subscriber loop current detector
GB1583635A (en) * 1977-03-02 1981-01-28 Int Standard Electric Corp Subscriber line or trunk circuit
JPS5469906A (en) * 1977-11-15 1979-06-05 Nippon Telegr & Teleph Corp <Ntt> Analog-to-digital converter circuit
JPS54157407A (en) * 1978-06-02 1979-12-12 Hitachi Ltd Level control unit for time-division exchange
US4268723A (en) * 1979-09-04 1981-05-19 Western Electric Company Circuits and methods for initializing the loop current of a telephone set
GB2064915B (en) * 1979-11-29 1984-03-21 Standard Telephones Cables Ltd Telephone line feed circuit

Also Published As

Publication number Publication date
JPS56111394A (en) 1981-09-03
NL8006665A (nl) 1981-07-16
ZA807678B (en) 1981-12-30
CH651986A5 (de) 1985-10-15
IT1134726B (it) 1986-08-13
GB2066023B (en) 1983-11-09
DE3043906A1 (de) 1981-10-29
IE802601L (en) 1981-06-13
US4345115A (en) 1982-08-17
BE890404R (fr) 1982-01-18
AU541812B2 (en) 1985-01-24
IE50882B1 (en) 1986-08-06
EG13942A (en) 1983-03-31
AU6514980A (en) 1981-06-18
GB2066023A (en) 1981-07-01
IT8026650A0 (it) 1980-12-15
NZ195660A (en) 1984-03-30
FR2472320A1 (fr) 1981-06-26

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