FR2220939A1 - - Google Patents

Info

Publication number
FR2220939A1
FR2220939A1 FR7407508A FR7407508A FR2220939A1 FR 2220939 A1 FR2220939 A1 FR 2220939A1 FR 7407508 A FR7407508 A FR 7407508A FR 7407508 A FR7407508 A FR 7407508A FR 2220939 A1 FR2220939 A1 FR 2220939A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7407508A
Other languages
French (fr)
Other versions
FR2220939B1 (no
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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 FR2220939A1 publication Critical patent/FR2220939A1/fr
Application granted granted Critical
Publication of FR2220939B1 publication Critical patent/FR2220939B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/12Compensating 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)
FR7407508A 1973-03-05 1974-03-05 Expired FR2220939B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2310940A DE2310940C3 (de) 1973-03-05 1973-03-05 Schaltungsanordnung zum Anschließen von Telegrafieteilnehmern an Wechselstrom-Übertragungseinrichtungen und Vermittlungsanlagen

Publications (2)

Publication Number Publication Date
FR2220939A1 true FR2220939A1 (no) 1974-10-04
FR2220939B1 FR2220939B1 (no) 1977-09-23

Family

ID=5873867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7407508A Expired FR2220939B1 (no) 1973-03-05 1974-03-05

Country Status (12)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7704703A (nl) * 1977-04-29 1978-10-31 Philips Nv Electronische gelijkstroomtelegrafiezender.
DE2833732C2 (de) * 1978-08-01 1981-12-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Aussendung von Gleichstromtelegrafiezeichen
NL181896C (nl) * 1979-06-05 1987-11-16 Philips Nv Elektronische zender voor gelijkstroomtelegrafietransmissie.
DE2925747C2 (de) * 1979-06-26 1981-07-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung für einen elektronischen Gleichstrom-Telegrafiesender

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035379A1 (de) * 1970-07-16 1972-01-20 Siemens Ag Schaltungsanordnung zum Einstellen des Linienstromes in Telegrafieteilnehmer Anschlußschaltungen einer Vermittlungsan lage
DE2234501A1 (de) * 1971-07-16 1973-01-25 Int Standard Electric Corp Schaltungsanordnung fuer ein elektronisches telegrafenrelais
FR2184091A1 (no) * 1972-05-11 1973-12-21 Elliott Bros

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035379A1 (de) * 1970-07-16 1972-01-20 Siemens Ag Schaltungsanordnung zum Einstellen des Linienstromes in Telegrafieteilnehmer Anschlußschaltungen einer Vermittlungsan lage
DE2234501A1 (de) * 1971-07-16 1973-01-25 Int Standard Electric Corp Schaltungsanordnung fuer ein elektronisches telegrafenrelais
FR2184091A1 (no) * 1972-05-11 1973-12-21 Elliott Bros

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Revue DE: 'Nachrichtentechnik-Elektronik', volume 23, no. 10, 1973, pages 366 - 370, HOPFER: 'Zu Problemen der digitalen Basisbandübertragung von Datensignalen' *

Also Published As

Publication number Publication date
IT1011028B (it) 1977-01-20
LU69544A1 (no) 1974-10-09
DE2310940B2 (de) 1978-08-10
NO140318B (no) 1979-04-30
BE811886A (fr) 1974-09-05
CH586981A5 (no) 1977-04-15
FR2220939B1 (no) 1977-09-23
FI60330C (fi) 1981-12-10
NO740433L (no) 1974-09-06
ATA74774A (de) 1977-07-15
DE2310940C3 (de) 1979-05-03
BR7401553D0 (pt) 1974-11-19
FI60330B (fi) 1981-08-31
GB1452158A (en) 1976-10-13
NL7402912A (no) 1974-09-09
NO140318C (no) 1979-08-08
DE2310940A1 (de) 1974-09-19
AT342120B (de) 1978-03-10

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Legal Events

Date Code Title Description
ST Notification of lapse