IT1011028B - CIRCUIT ARRANGEMENT FOR CONNECTING TELEPHRAFT USERS AND CURRENT TRANSMISSION DEVICES TO TERNATA AND TO SWITCHING SYSTEMS - Google Patents

CIRCUIT ARRANGEMENT FOR CONNECTING TELEPHRAFT USERS AND CURRENT TRANSMISSION DEVICES TO TERNATA AND TO SWITCHING SYSTEMS

Info

Publication number
IT1011028B
IT1011028B IT49008/74A IT4900874A IT1011028B IT 1011028 B IT1011028 B IT 1011028B IT 49008/74 A IT49008/74 A IT 49008/74A IT 4900874 A IT4900874 A IT 4900874A IT 1011028 B IT1011028 B IT 1011028B
Authority
IT
Italy
Prior art keywords
telephraft
ternata
users
circuit arrangement
current transmission
Prior art date
Application number
IT49008/74A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1011028B publication Critical patent/IT1011028B/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)
IT49008/74A 1973-03-05 1974-03-05 CIRCUIT ARRANGEMENT FOR CONNECTING TELEPHRAFT USERS AND CURRENT TRANSMISSION DEVICES TO TERNATA AND TO SWITCHING SYSTEMS IT1011028B (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 (1)

Publication Number Publication Date
IT1011028B true IT1011028B (en) 1977-01-20

Family

ID=5873867

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49008/74A IT1011028B (en) 1973-03-05 1974-03-05 CIRCUIT ARRANGEMENT FOR CONNECTING TELEPHRAFT USERS AND CURRENT TRANSMISSION DEVICES TO TERNATA AND TO 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
FI60330C (en) 1981-12-10
BR7401553D0 (en) 1974-11-19
NO140318C (en) 1979-08-08
DE2310940A1 (en) 1974-09-19
CH586981A5 (en) 1977-04-15
FR2220939B1 (en) 1977-09-23
LU69544A1 (en) 1974-10-09
GB1452158A (en) 1976-10-13
BE811886A (en) 1974-09-05
FI60330B (en) 1981-08-31
NL7402912A (en) 1974-09-09
NO140318B (en) 1979-04-30
DE2310940B2 (en) 1978-08-10
AT342120B (en) 1978-03-10
DE2310940C3 (en) 1979-05-03
ATA74774A (en) 1977-07-15
FR2220939A1 (en) 1974-10-04
NO740433L (en) 1974-09-06

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