NO740433L - Coupling device for connecting telegraph subscribers to AC transmission devices and transmission facilities. - Google Patents

Coupling device for connecting telegraph subscribers to AC transmission devices and transmission facilities.

Info

Publication number
NO740433L
NO740433L NO740433A NO740433A NO740433L NO 740433 L NO740433 L NO 740433L NO 740433 A NO740433 A NO 740433A NO 740433 A NO740433 A NO 740433A NO 740433 L NO740433 L NO 740433L
Authority
NO
Norway
Prior art keywords
transmission
coupling device
facilities
transmission devices
subscribers
Prior art date
Application number
NO740433A
Other languages
Norwegian (no)
Other versions
NO140318C (en
NO140318B (en
Inventor
Ernst Schuhbauer
Fritz Giebler
Peter Rath
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 NO740433L publication Critical patent/NO740433L/en
Publication of NO140318B publication Critical patent/NO140318B/en
Publication of NO140318C publication Critical patent/NO140318C/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)
NO740433A 1973-03-05 1974-02-08 CONNECTION DEVICE FOR CONNECTING TELEGRAPH SUBSCRIBERS TO AC POWER TRANSMISSION DEVICES AND TRANSMISSION SYSTEMS NO140318C (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 (3)

Publication Number Publication Date
NO740433L true NO740433L (en) 1974-09-06
NO140318B NO140318B (en) 1979-04-30
NO140318C NO140318C (en) 1979-08-08

Family

ID=5873867

Family Applications (1)

Application Number Title Priority Date Filing Date
NO740433A NO140318C (en) 1973-03-05 1974-02-08 CONNECTION DEVICE FOR CONNECTING TELEGRAPH SUBSCRIBERS TO AC POWER TRANSMISSION DEVICES AND TRANSMISSION 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
IT1011028B (en) 1977-01-20
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

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