FI832645A - Stroemkretsanordning foer analog taloeverfoering och kommunikationssignalering - Google Patents

Stroemkretsanordning foer analog taloeverfoering och kommunikationssignalering Download PDF

Info

Publication number: FI832645A
Authority: FI; Finland
Prior art keywords: analogue; assessment; communications; procedure; analogue assessment
Prior art date: 1982-07-22

Application number

FI832645A

Other languages

English (en)

Other versions

FI832645A0 (fi

FI79431C (fi

FI79431B (fi

Inventor

Erich Naiwirt

Original Assignee

Int Standard Electric Corp

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.)

1982-07-22

Filing date

1983-07-20

Publication date

1984-01-23

1983-07-20 Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp

1983-07-20 Publication of FI832645A0 publication Critical patent/FI832645A0/fi

1984-01-23 Publication of FI832645A publication Critical patent/FI832645A/fi

1989-08-31 Application granted granted Critical

1989-08-31 Publication of FI79431B publication Critical patent/FI79431B/fi

1989-12-11 Publication of FI79431C publication Critical patent/FI79431C/fi

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
- H04B1/587—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 opto-couplers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/50—Conversion between different kinds of signals

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Devices For Supply Of Signal Current (AREA)
Amplifiers (AREA)
Interface Circuits In Exchanges (AREA)
Small-Scale Networks (AREA)

FI832645A 1982-07-22 1983-07-20 Kopplingsanordning med tvaotraods-fyrtraodsomvandling. FI79431C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT283982A AT384337B (de)	1982-07-22	1982-07-22	Schnittstellenschaltung mit zweidraht-vierdraht- umsetzung fuer fernsprechvermittlungsanlagen
AT283982		1982-07-22

Publications (4)

Publication Number	Publication Date
FI832645A0 FI832645A0 (fi)	1983-07-20
FI832645A true FI832645A (fi)	1984-01-23
FI79431B FI79431B (fi)	1989-08-31
FI79431C FI79431C (fi)	1989-12-11

Family

ID=3541110

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI832645A FI79431C (fi)	1982-07-22	1983-07-20	Kopplingsanordning med tvaotraods-fyrtraodsomvandling.

Country Status (9)

Country	Link
AT (1)	AT384337B (fi)
AU (1)	AU1692883A (fi)
BE (1)	BE897350A (fi)
CH (1)	CH662023A5 (fi)
DE (1)	DE3326037A1 (fi)
ES (1)	ES524385A0 (fi)
FI (1)	FI79431C (fi)
GB (1)	GB2126049B (fi)
MX (1)	MX154966A (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3841814C2 (de) *	1988-12-12	1995-05-24	Ferenc J Horvath	Verbindungsschaltung
ES2048683B1 (es) *	1992-11-19	1997-07-01	Univ Cordoba	Sistema de optoacoplamiento de señales digitales electricas para proteccion y aislamiento de aparatos electronicos de sobretensiones estacionarias y transitorias.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2305080A1 (fr) *	1975-03-20	1976-10-15	Jeumont Schneider	Termineur electronique
US4150260A (en) *	1975-06-18	1979-04-17	Hitachi, Ltd.	Subscriber's circuit for four-wire-system local switch
CH599731A5 (fi) *	1976-03-02	1978-05-31	Ibm
US4142075A (en) *	1977-10-11	1979-02-27	Burr-Brown Research Corporation	Interface circuit and method for telephone extension lines
NL7802423A (nl) *	1978-03-06	1979-09-10	Philips Nv	Voedingsinrichting voor een lijnstroomloop.
CH641299A5 (de) *	1978-11-13	1984-02-15	Landis & Gyr Ag	Impulsdauer-pausendauer-modulator fuer messzwecke.

1982
- 1982-07-22 AT AT283982A patent/AT384337B/de not_active IP Right Cessation
1983
- 1983-07-14 MX MX19804083A patent/MX154966A/es unknown
- 1983-07-18 AU AU16928/83A patent/AU1692883A/en not_active Abandoned
- 1983-07-20 FI FI832645A patent/FI79431C/fi not_active IP Right Cessation
- 1983-07-20 DE DE19833326037 patent/DE3326037A1/de active Granted
- 1983-07-21 CH CH399583A patent/CH662023A5/de not_active IP Right Cessation
- 1983-07-22 ES ES524385A patent/ES524385A0/es active Granted
- 1983-07-22 GB GB08319839A patent/GB2126049B/en not_active Expired
- 1983-07-22 BE BE2/60166A patent/BE897350A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
FI832645A0 (fi)	1983-07-20
DE3326037A1 (de)	1984-01-26
AT384337B (de)	1987-10-27
FI79431C (fi)	1989-12-11
DE3326037C2 (fi)	1990-09-06
MX154966A (es)	1988-01-14
ES8500689A1 (es)	1984-08-01
AU1692883A (en)	1984-01-26
ATA283982A (de)	1987-03-15
GB2126049B (en)	1985-10-02
FI79431B (fi)	1989-08-31
ES524385A0 (es)	1984-08-01
GB2126049A (en)	1984-03-14
CH662023A5 (de)	1987-08-31
BE897350A (fr)	1984-01-23
GB8319839D0 (en)	1983-08-24

Similar Documents

Publication	Publication Date	Title
FI813505L (fi)	1982-05-08	Foerfarande och anlaeggning foer aotervinning av loesningsmedel
IT8149656A0 (it)	1981-11-09	Composti benzoeterociclici e procedimento per prepararli
FI833334A0 (fi)	1983-09-19	Foerfarande foer framstaellning av 4'-demetyl-epipodofyllotoxin- -d-etyliden-glukosider och dess acylderivat
FI834498A0 (fi)	1983-12-08	Foerfarande foer diffusionssvetsning
FI834345A0 (fi)	1983-11-28	Substituerade tetrapeptider
IT1105653B (it)	1985-11-04	Apparecchio aerosolizzatore
FI813527L (fi)	1982-05-11	Foerbaettrade makrolidantibiotika
FI821440A0 (fi)	1982-04-26	Foerfarande och anordning foer baogsvetsning under vatten
BR8002496A (pt)	1980-12-09	Conjunto de trilhos
FI833648A0 (fi)	1983-10-07	Foerfarande foer framstaellning av 4-metyl-5-alkyltiometylimidazoler
ES487148A0 (es)	1980-12-16	Procedimiento de preparacion de nuevas trifluoroetilaminas n-sustituidas
RO88069A (ro)	1985-11-30	Compozitie erbicida de meta-bis-carbanati
FI832919A (fi)	1984-02-14	Foerfarande foer framstaellning av n-substituerad nikotinamid-1-oxid och dess salter
ES503774A0 (es)	1982-04-01	Procedimiento de preparacion de n-ciclohexilbenzotiazol-2- sulfenamida
NO834424L (no)	1984-06-04	Analogifremgangsmaate for fremstilling av terapeutisk virksomme fentiazinforbindelser
FI832645A0 (fi)	1983-07-20	Stroemkretsanordning foer analog taloeverfoering och kommunikationssignalering
ES498846A0 (es)	1981-12-01	Procedimiento de preparacion de eteres basicos de 4-hidro- xi-benzofenonas
IT1117409B (it)	1986-02-17	Procedimento per depurare etildiclicole e dipropilenglicole
FI793352A (fi)	1980-05-02	Rengoeringsmedel foer taender och deras framstaellning
IT7949343A0 (it)	1979-06-07	Composti antibatterici di furonafti ridina e procedimento per prepararli
NO813404L (no)	1982-04-13	Fremgangsmaate for kontinuerlig fremstilling av dialkylperoksydikarbonater
AT367952B (de)	1982-08-25	Kombination eines geraetes zur bodenlockerung
DK190779A (da)	1979-11-11	Fremgangsmaade til fremstilling af 3"-acylerede macrolid-antibiotica
FI780263A (fi)	1979-07-27	Regleranordning foer luftstroem
FI833281A (fi)	1983-09-14	Trisubstituerade diazaderivat

Legal Events

Date	Code	Title	Description
1996-02-14	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: ALCATEL N.V.