BE873804A - Systeme numerique de transmission d'information - Google Patents

Systeme numerique de transmission d'information

Info

Publication number
BE873804A
BE873804A BE193155A BE193155A BE873804A BE 873804 A BE873804 A BE 873804A BE 193155 A BE193155 A BE 193155A BE 193155 A BE193155 A BE 193155A BE 873804 A BE873804 A BE 873804A
Authority
BE
Belgium
Prior art keywords
transmission system
information transmission
digital information
digital
transmission
Prior art date
Application number
BE193155A
Other languages
English (en)
Original Assignee
Siemens 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.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of BE873804A publication Critical patent/BE873804A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
BE193155A 1978-02-23 1979-01-30 Systeme numerique de transmission d'information BE873804A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782807785 DE2807785A1 (de) 1978-02-23 1978-02-23 Digitales nachrichtenuebertragungssystem

Publications (1)

Publication Number Publication Date
BE873804A true BE873804A (fr) 1979-05-16

Family

ID=6032753

Family Applications (1)

Application Number Title Priority Date Filing Date
BE193155A BE873804A (fr) 1978-02-23 1979-01-30 Systeme numerique de transmission d'information

Country Status (13)

Country Link
US (1) US4236244A (fr)
EP (1) EP0003848A1 (fr)
JP (1) JPS5513595A (fr)
AR (1) AR218363A1 (fr)
AU (1) AU517838B2 (fr)
BE (1) BE873804A (fr)
BR (1) BR7901158A (fr)
DE (1) DE2807785A1 (fr)
DK (1) DK77379A (fr)
FI (1) FI790603A (fr)
GB (1) GB2016871B (fr)
NO (1) NO790596L (fr)
ZA (1) ZA79892B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916576C3 (de) * 1979-04-24 1981-12-10 Siemens AG, 1000 Berlin und 8000 München Digital-Fernmeldesystem für Zweidraht-Getrenntlage-Betrieb
CA1159972A (fr) * 1980-05-15 1984-01-03 Zdzistaw A. A. Krajewski Systeme bifilaire a multiplexage par repartition en frequence
DE3019835C2 (de) * 1980-05-23 1983-12-01 Siemens AG, 1000 Berlin und 8000 München Übertragerfreie Gabelschaltung
JPS5860577A (ja) * 1981-10-07 1983-04-11 Hitachi Ltd 半導体装置
GB2146509B (en) * 1983-09-10 1986-08-13 Stc Plc Data transmission system
DE3702202A1 (de) * 1987-01-26 1988-08-04 Dirr Josef Verfahren fuer die uebertragung analoger und/oder digitaler information, insbesondere unter zwischenschaltung einer, 2er oder mehrerer vermittlungen in fernmeldeanlagen
DE19844457C1 (de) * 1998-09-28 2000-07-06 Siemens Ag Verfahren zur Duplex-Datenübertragung mit QAM und Demodulator zur Verwendung in diesem Verfahren
CN103226025B (zh) * 2012-12-17 2017-02-08 天津市北方阀门控制设备有限公司 一种两线制位置变送器电路
US11133864B1 (en) * 2020-04-24 2021-09-28 Ciena Corporation Measurement of crosstalk

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3655915A (en) * 1970-05-07 1972-04-11 Gen Datacomm Ind Inc Closed loop test method and apparatus for duplex data transmission modem
DE2141198C3 (de) * 1971-08-17 1978-03-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Schleifenmessung bei Modem für Zweidrahtbetrieb
US3715496A (en) * 1971-10-21 1973-02-06 Ibm Digital band-pass filter for a single circuit full duplex transmission system
US3846582A (en) * 1973-08-06 1974-11-05 Bell Telephone Labor Inc Data transmission terminal for fsk frequency duplexed systems
US3937882A (en) * 1974-04-11 1976-02-10 Vadic Corporation Full-duplex communication system on a two wire line
US3993867A (en) * 1974-10-15 1976-11-23 Motorola, Inc. Digital single signal line full duplex method and apparatus
US3936602A (en) * 1974-10-23 1976-02-03 Northern Electric Company Limited Full duplex data transmission system using two speeds of diphase signal for simplified sync
DE2543696C3 (de) * 1975-09-30 1980-04-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Umsetzung von Digital-Signalen in Analog-Signale und zur Umsetzung von Analog-Signalen in Digital-Signale
US4041398A (en) * 1976-06-03 1977-08-09 Icc, Inc. Bi-directional digital communication network

Also Published As

Publication number Publication date
AU517838B2 (en) 1981-08-27
DK77379A (da) 1979-08-24
EP0003848A1 (fr) 1979-09-05
AR218363A1 (es) 1980-05-30
AU4451379A (en) 1979-08-30
GB2016871B (en) 1982-04-15
JPS5513595A (en) 1980-01-30
NO790596L (no) 1979-08-24
GB2016871A (en) 1979-09-26
BR7901158A (pt) 1979-10-09
ZA79892B (en) 1980-03-26
FI790603A (fi) 1979-08-24
DE2807785A1 (de) 1979-08-30
US4236244A (en) 1980-11-25

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