CH542556A - Circuit arrangement for keying two-wire single circuits - Google Patents

Circuit arrangement for keying two-wire single circuits

Info

Publication number
CH542556A
CH542556A CH922872A CH922872A CH542556A CH 542556 A CH542556 A CH 542556A CH 922872 A CH922872 A CH 922872A CH 922872 A CH922872 A CH 922872A CH 542556 A CH542556 A CH 542556A
Authority
CH
Switzerland
Prior art keywords
keying
circuit arrangement
wire single
single circuits
circuits
Prior art date
Application number
CH922872A
Other languages
German (de)
Inventor
Skobranek Norbert
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 CH542556A publication Critical patent/CH542556A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/028—Arrangements specific to the transmitter end
    • H04L25/0282—Provision for current-mode coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/12—Compensating for variations in line impedance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Dc Digital Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH922872A 1971-08-02 1972-06-20 Circuit arrangement for keying two-wire single circuits CH542556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2138576A DE2138576C3 (en) 1971-08-02 1971-08-02 Converter circuit for transmitting direct current telegraphic characters

Publications (1)

Publication Number Publication Date
CH542556A true CH542556A (en) 1973-09-30

Family

ID=5815523

Family Applications (1)

Application Number Title Priority Date Filing Date
CH922872A CH542556A (en) 1971-08-02 1972-06-20 Circuit arrangement for keying two-wire single circuits

Country Status (16)

Country Link
JP (1) JPS5238683B2 (en)
AT (1) AT323246B (en)
AU (1) AU459938B2 (en)
BE (1) BE787088A (en)
BR (1) BR7205196D0 (en)
CA (1) CA973804A (en)
CH (1) CH542556A (en)
DE (1) DE2138576C3 (en)
DK (1) DK144109C (en)
FR (1) FR2148210B1 (en)
GB (1) GB1363553A (en)
IT (1) IT963475B (en)
LU (1) LU65824A1 (en)
NL (1) NL7209920A (en)
SE (1) SE373252B (en)
ZA (1) ZA724772B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124377U (en) * 1973-02-28 1974-10-24
JPS5494218A (en) * 1978-01-09 1979-07-25 Fuji Electric Co Ltd Dc pulse read-in circuit
DE2833732C2 (en) * 1978-08-01 1981-12-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for the transmission of direct current telegraph characters

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1090253B (en) * 1959-07-17 1960-10-06 Siemens Ag Circuit arrangement for telephone subscriber stations with indirect control of the receiving magnet
DE1216919B (en) * 1966-01-25 1966-05-18 Telefunken Patent Circuit arrangement to keep the current constant and to guarantee the zero line symmetry of double-stream telegraphic characters
DE2035379C3 (en) * 1970-07-16 1975-10-09 Siemens Ag Circuit arrangement for setting the line current in telegraph subscriber connection circuits of a switching system

Also Published As

Publication number Publication date
AT323246B (en) 1975-06-25
IT963475B (en) 1974-01-10
LU65824A1 (en) 1973-01-31
CA973804A (en) 1975-09-02
DE2138576C3 (en) 1978-05-11
AU459938B2 (en) 1975-04-10
SE373252B (en) 1975-01-27
DE2138576B2 (en) 1977-09-01
NL7209920A (en) 1973-02-06
BR7205196D0 (en) 1973-05-29
GB1363553A (en) 1974-08-14
BE787088A (en) 1973-02-02
DK144109B (en) 1981-12-07
FR2148210B1 (en) 1977-07-29
JPS4825403A (en) 1973-04-03
FR2148210A1 (en) 1973-03-11
ZA724772B (en) 1973-04-25
JPS5238683B2 (en) 1977-09-30
DK144109C (en) 1982-05-24
DE2138576A1 (en) 1973-02-22
AU4450472A (en) 1974-01-17

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Legal Events

Date Code Title Description
PL Patent ceased