IT1134726B - Interfaccia per linea d'abbonato telefonico - Google Patents

Interfaccia per linea d'abbonato telefonico

Info

Publication number
IT1134726B
IT1134726B IT26650/80A IT2665080A IT1134726B IT 1134726 B IT1134726 B IT 1134726B IT 26650/80 A IT26650/80 A IT 26650/80A IT 2665080 A IT2665080 A IT 2665080A IT 1134726 B IT1134726 B IT 1134726B
Authority
IT
Italy
Prior art keywords
interface
telephone subscription
subscription line
line
telephone
Prior art date
Application number
IT26650/80A
Other languages
English (en)
Other versions
IT8026650A0 (it
Inventor
Antony William 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 IT8026650A0 publication Critical patent/IT8026650A0/it
Application granted granted Critical
Publication of IT1134726B publication Critical patent/IT1134726B/it

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)
IT26650/80A 1979-12-13 1980-12-15 Interfaccia per linea d'abbonato telefonico IT1134726B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8026650A0 IT8026650A0 (it) 1980-12-15
IT1134726B true IT1134726B (it) 1986-08-13

Family

ID=10509838

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26650/80A IT1134726B (it) 1979-12-13 1980-12-15 Interfaccia per linea d'abbonato telefonico

Country Status (15)

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

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
GB1583634A (en) * 1977-03-02 1981-01-28 Int Standard Electric Corp Subscriber line/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
DE3043906A1 (de) 1981-10-29
ZA807678B (en) 1981-12-30
EG13942A (en) 1983-03-31
CH651986A5 (de) 1985-10-15
SE8008587L (sv) 1981-06-14
AU541812B2 (en) 1985-01-24
GB2066023B (en) 1983-11-09
BE890404R (fr) 1982-01-18
AU6514980A (en) 1981-06-18
NL8006665A (nl) 1981-07-16
IE802601L (en) 1981-06-13
IE50882B1 (en) 1986-08-06
JPS56111394A (en) 1981-09-03
US4345115A (en) 1982-08-17
GB2066023A (en) 1981-07-01
FR2472320A1 (fr) 1981-06-26
NZ195660A (en) 1984-03-30
IT8026650A0 (it) 1980-12-15

Similar Documents

Publication Publication Date Title
PT75522A (de) Dratloser telefonapparat
FR2501951B1 (fr) Ecouteur
FR2511712B1 (fr) Machine d&#39;etirage
IT1134726B (it) Interfaccia per linea d&#39;abbonato telefonico
JPS55150694A (en) Telephone set
BE893837A (fr) Vecteurs d&#39;expression
IT1134498B (it) Dipsosizione d&#39;alimentazione di linea per una linea d&#39;abbonato telefonico
DK453382A (da) Telefonapparatur
IT1140171B (it) Dispositivo d&#39;interfaccia per telex
GB2105331B (en) N- (1-oxido-4-pyridyl)-guanidines
DE3062355D1 (en) Telephone set
NO823288L (no) Telekommunikasjonskabel for innvendig bruk.
IT1131453B (it) Amplificatore per l&#39;impiego in un circuito di linea telefonica
BE883955A (fr) &#34;limnimetre&#34;
ES512353A0 (es) &#34;procedimiento de electroerosion con su dispositivo correspondiente&#34;.
BE883954A (fr) &#34;spanningsverzorgingsschakeling&#34;
ES516468A0 (es) &#34;aparato telefonico&#34;.
ES258802Y (es) Telefono tentetieso
IT1145074B (it) Apparecchio telefonico
IT7921115V0 (it) Unita&#39; telefonica per conferenze.
KR800001583Y1 (en) Telephone set
IT7927432A0 (it) Siringa d&#39;introduzione per supposte anali.
IT8167977A0 (it) Segreteria telefonica perfezionata
BR8004586A (pt) Aparelho telefonico de assinante
BR6101601U (pt) Secretaria eletronica