JPS5593363A - Twoowire vs* fourrwire communication line circuit - Google Patents

Twoowire vs* fourrwire communication line circuit

Info

Publication number: JPS5593363A
Authority: JP; Japan
Prior art keywords: twoowire; fourrwire; communication line; line circuit; circuit
Prior art date: 1978-12-30
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.): Pending

Application number

JP17396679A

Other languages

Japanese (ja)

Inventor

Supensaa Aanorudo Jiyon

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.)

Plessey Handel und Investments AG

Original Assignee

Plessey Handel und Investments AG

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.)

1978-12-30

Filing date

1979-12-27

Publication date

1980-07-15

1979-12-27 Application filed by Plessey Handel und Investments AG filed Critical Plessey Handel und Investments AG

1980-07-15 Publication of JPS5593363A publication Critical patent/JPS5593363A/en

Status Pending legal-status Critical Current

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
- H04B1/581—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 using a transformer
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Telephonic Communication Services (AREA)
Interface Circuits In Exchanges (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Telephone Function (AREA)
Devices For Supply Of Signal Current (AREA)

JP17396679A 1978-12-30 1979-12-27 Twoowire vs* fourrwire communication line circuit Pending JPS5593363A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB7850384A GB2042848B (en)	1978-12-30	1978-12-30	Line current feed and hybrid arrangement (sytem x)

Publications (1)

Publication Number	Publication Date
JPS5593363A true JPS5593363A (en)	1980-07-15

Family

ID=10502016

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP17396679A Pending JPS5593363A (en)	1978-12-30	1979-12-27	Twoowire vs* fourrwire communication line circuit

Country Status (11)

Country	Link
JP (1)	JPS5593363A (en)
AU (1)	AU5323179A (en)
BR (1)	BR7907891A (en)
DE (1)	DE2952259A1 (en)
FR (1)	FR2445666A1 (en)
GB (1)	GB2042848B (en)
IE (1)	IE48895B1 (en)
NL (1)	NL7909148A (en)
NZ (1)	NZ192462A (en)
SE (1)	SE7910670L (en)
ZA (1)	ZA796287B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3007791A1 (en) *	1980-02-29	1981-09-10	Siemens AG, 1000 Berlin und 8000 München	CIRCUIT ARRANGEMENT FOR INCREASING THE INDUCTIVITY OF A TRANSMITTER
DE3278899D1 (en) *	1981-04-06	1988-09-15	Northern Telecom Ltd	Apparatus for coupling signals to or from a two-wire line
DE3138726A1 (en) *	1981-09-29	1983-04-07	Siemens AG, 1000 Berlin und 8000 München	Subscriber connection circuit for connecting two-wire subscriber connection lines to a four-wire through-connecting digital time division multiplex exchange
FR2552288B1 (en) *	1983-09-15	1989-03-24	Telecommunications Sa	TELEPHONE SUBSCRIBER
US4595802A (en) *	1983-11-29	1986-06-17	Northern Telecom Limited	Hybrid circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2063475A5 (en) *	1969-10-17	1971-07-09	Labo Cent Telecommunicat
FR2131038A5 (en) *	1971-03-30	1972-11-10	Ass Ouvriers Instr Preci
FR2166696A5 (en) *	1972-01-04	1973-08-17	Ass Ouvriers Instr Preci
US3955052A (en) *	1974-11-18	1976-05-04	Tadiran Israel Electronics Industries Ltd.	Subscriber unit particularly useful for time-division-multiplex system

1978
- 1978-12-30 GB GB7850384A patent/GB2042848B/en not_active Expired
1979
- 1979-10-20 ZA ZA00796287A patent/ZA796287B/en unknown
- 1979-11-27 AU AU53231/79A patent/AU5323179A/en not_active Abandoned
- 1979-12-04 BR BR7907891A patent/BR7907891A/en unknown
- 1979-12-19 NL NL7909148A patent/NL7909148A/en not_active Application Discontinuation
- 1979-12-19 NZ NZ192462A patent/NZ192462A/en unknown
- 1979-12-24 DE DE19792952259 patent/DE2952259A1/en not_active Withdrawn
- 1979-12-27 SE SE7910670A patent/SE7910670L/en not_active Application Discontinuation
- 1979-12-27 JP JP17396679A patent/JPS5593363A/en active Pending
- 1979-12-28 FR FR7932036A patent/FR2445666A1/en active Granted
- 1979-12-28 IE IE2528/79A patent/IE48895B1/en unknown

Also Published As

Publication number	Publication date
IE792528L (en)	1980-06-30
NL7909148A (en)	1980-07-02
DE2952259A1 (en)	1980-07-17
BR7907891A (en)	1980-07-29
GB2042848A (en)	1980-09-24
NZ192462A (en)	1982-05-25
SE7910670L (en)	1980-07-01
GB2042848B (en)	1983-01-06
IE48895B1 (en)	1985-06-12
AU5323179A (en)	1980-07-03
FR2445666A1 (en)	1980-07-25
ZA796287B (en)	1980-11-26
FR2445666B1 (en)	1984-10-12

Publication	Publication Date	Title
GB2014398B (en)	1983-01-12	Telephone line circuit
GB2034538B (en)	1983-05-11	Terminal block
JPS555595A (en)	1980-01-16	Subcriber circuit
JPS554199A (en)	1980-01-12	Communication device
GB2015305B (en)	1982-04-21	Telephone line circuit
JPS5526799A (en)	1980-02-26	Circuit having twoopurpose terminal
JPS5558895A (en)	1980-05-01	Fetros circuit
GB2025740B (en)	1982-09-15	Noiseeliminating circuit
JPS54152838A (en)	1979-12-01	Hybrid circuit network
JPS54113283A (en)	1979-09-04	Multiifunction circuit
JPS5537090A (en)	1980-03-14	Substriber*s connecting circuit network
JPS5593363A (en)	1980-07-15	Twoowire vs* fourrwire communication line circuit
JPS5593331A (en)	1980-07-15	Twoowire vs* fourrwire communication line circuit
JPS55105470A (en)	1980-08-13	Electronic communication device
GB2031680B (en)	1982-12-01	Moss-logic circuit
JPS54129499A (en)	1979-10-06	Conductor
JPS54105722A (en)	1979-08-20	Starting circuit
JPS5590013A (en)	1980-07-08	Conductor
GB2106345B (en)	1983-10-12	Telephone line circuit
JPS54163387A (en)	1979-12-25	Flat type communication line
JPS5517954A (en)	1980-02-07	Battledore type terminal
AU511713B2 (en)	1980-09-04	Telephone line circuit
AU527626B2 (en)	1983-03-17	Line circuit
JPS5526583A (en)	1980-02-26	Ciphor circuit
JPS54109746A (en)	1979-08-28	Muutuning circuit