ATA74774A - CIRCUIT ARRANGEMENT FOR CONNECTING TELEGRAPHY SUBSCRIBER POSITIONS TO AC TRANSMISSION DEVICES AND SWITCHING SYSTEMS - Google Patents

CIRCUIT ARRANGEMENT FOR CONNECTING TELEGRAPHY SUBSCRIBER POSITIONS TO AC TRANSMISSION DEVICES AND SWITCHING SYSTEMS

Info

Publication number
ATA74774A
ATA74774A AT74774A AT74774A ATA74774A AT A74774 A ATA74774 A AT A74774A AT 74774 A AT74774 A AT 74774A AT 74774 A AT74774 A AT 74774A AT A74774 A ATA74774 A AT A74774A
Authority
AT
Austria
Prior art keywords
telegraphy
circuit arrangement
transmission devices
switching systems
subscriber positions
Prior art date
Application number
AT74774A
Other languages
German (de)
Other versions
AT342120B (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 ATA74774A publication Critical patent/ATA74774A/en
Application granted granted Critical
Publication of AT342120B publication Critical patent/AT342120B/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
    • H04L25/12—Compensating for variations in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
AT74774A 1973-03-05 1974-01-30 CIRCUIT ARRANGEMENT FOR CONNECTING TELEGRAPHY SUBSCRIBER POSITIONS TO AC TRANSMISSION DEVICES AND SWITCHING SYSTEMS AT342120B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2310940A DE2310940C3 (en) 1973-03-05 1973-03-05 Circuit arrangement for connecting telegraph subscribers to AC transmission equipment and switching systems

Publications (2)

Publication Number Publication Date
ATA74774A true ATA74774A (en) 1977-07-15
AT342120B AT342120B (en) 1978-03-10

Family

ID=5873867

Family Applications (1)

Application Number Title Priority Date Filing Date
AT74774A AT342120B (en) 1973-03-05 1974-01-30 CIRCUIT ARRANGEMENT FOR CONNECTING TELEGRAPHY SUBSCRIBER POSITIONS TO AC TRANSMISSION DEVICES AND SWITCHING SYSTEMS

Country Status (12)

Country Link
AT (1) AT342120B (en)
BE (1) BE811886A (en)
BR (1) BR7401553D0 (en)
CH (1) CH586981A5 (en)
DE (1) DE2310940C3 (en)
FI (1) FI60330C (en)
FR (1) FR2220939B1 (en)
GB (1) GB1452158A (en)
IT (1) IT1011028B (en)
LU (1) LU69544A1 (en)
NL (1) NL7402912A (en)
NO (1) NO140318C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7704703A (en) * 1977-04-29 1978-10-31 Philips Nv ELECTRONIC DC TELEGRAPHY TRANSMITTER.
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
NL181896C (en) * 1979-06-05 1987-11-16 Philips Nv ELECTRONIC TRANSMITTER FOR DC TELEGRAPHITE TRANSMISSION.
DE2925747C2 (en) * 1979-06-26 1981-07-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for an electronic direct current telegraph transmitter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2146091B1 (en) * 1971-07-16 1976-05-28 Constr Telephoniques
GB1424525A (en) * 1972-05-11 1976-02-11 Elliott Brothers London Ltd Data transmission system

Also Published As

Publication number Publication date
IT1011028B (en) 1977-01-20
LU69544A1 (en) 1974-10-09
DE2310940B2 (en) 1978-08-10
NO140318B (en) 1979-04-30
BE811886A (en) 1974-09-05
CH586981A5 (en) 1977-04-15
FR2220939B1 (en) 1977-09-23
FI60330C (en) 1981-12-10
NO740433L (en) 1974-09-06
DE2310940C3 (en) 1979-05-03
BR7401553D0 (en) 1974-11-19
FI60330B (en) 1981-08-31
GB1452158A (en) 1976-10-13
NL7402912A (en) 1974-09-09
NO140318C (en) 1979-08-08
DE2310940A1 (en) 1974-09-19
AT342120B (en) 1978-03-10
FR2220939A1 (en) 1974-10-04

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee