DK332080A - Kobling til tilkobling af et modem til en telefonledning - Google Patents

Kobling til tilkobling af et modem til en telefonledning

Info

Publication number
DK332080A
DK332080A DK332080A DK332080A DK332080A DK 332080 A DK332080 A DK 332080A DK 332080 A DK332080 A DK 332080A DK 332080 A DK332080 A DK 332080A DK 332080 A DK332080 A DK 332080A
Authority
DK
Denmark
Prior art keywords
signal
terminal device
seizure
modem
telephone line
Prior art date
Application number
DK332080A
Other languages
English (en)
Inventor
H Sailer
T Vogeler
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 DK332080A publication Critical patent/DK332080A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Cables (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Telephone Function (AREA)
DK332080A 1979-08-02 1980-08-01 Kobling til tilkobling af et modem til en telefonledning DK332080A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2931435A DE2931435C2 (de) 1979-08-02 1979-08-02 Schaltungsanordnung zum Anschalten eines Modems an eine Fernsprechleitung

Publications (1)

Publication Number Publication Date
DK332080A true DK332080A (da) 1981-02-03

Family

ID=6077494

Family Applications (1)

Application Number Title Priority Date Filing Date
DK332080A DK332080A (da) 1979-08-02 1980-08-01 Kobling til tilkobling af et modem til en telefonledning

Country Status (8)

Country Link
EP (1) EP0023691B1 (da)
AT (1) ATE3686T1 (da)
DE (1) DE2931435C2 (da)
DK (1) DK332080A (da)
ES (1) ES8104694A1 (da)
FI (1) FI802423A7 (da)
NO (1) NO147228C (da)
PT (1) PT71640B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232240A1 (de) * 1982-08-30 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum anschalten eines modems an eine fernsprechleitung
US4723268A (en) * 1986-09-22 1988-02-02 International Business Machines Corporation Dual mode phone line interface
US4958371A (en) * 1988-04-19 1990-09-18 Control Data Corporation Method and apparatus for determining when a telephone handset is off-hook

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517137A (en) * 1966-03-29 1970-06-23 Itt Combination voice and data telephone sub-set
DE2814837C2 (de) * 1978-04-06 1980-01-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Datenmodem, insbesondere für Bildschirmtextbetrieb
DE2826323C2 (de) * 1978-06-15 1980-03-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Übertragen von Signalen zwischen einer Datenübertragungseinheit und einem Datenendgerät

Also Published As

Publication number Publication date
DE2931435C2 (de) 1981-10-01
NO147228B (no) 1982-11-15
ATE3686T1 (de) 1983-06-15
PT71640A (de) 1980-09-01
NO802313L (no) 1981-02-03
ES493900A0 (es) 1981-04-01
NO147228C (no) 1983-02-23
EP0023691B1 (de) 1983-06-01
EP0023691A1 (de) 1981-02-11
FI802423A7 (fi) 1981-01-01
DE2931435B1 (de) 1981-01-22
PT71640B (de) 1981-06-26
ES8104694A1 (es) 1981-04-01

Similar Documents

Publication Publication Date Title
DK332080A (da) Kobling til tilkobling af et modem til en telefonledning
SE7800717L (sv) Kopplingskrets for telefonledningar innefattande en storningsokenslig linjeovervakningskrets
JPS5748859A (en) Network controller
JPS56168446A (en) Cordless telephone device
JPS56156047A (en) Transmission protecting circuit
JPS5728868A (en) Engine stop control system
ATE35884T1 (de) Schaltungsanordnung zum anschalten eines modems an eine fernsprechleitung.
JPS57206152A (en) Originating control method for significant subscriber
JPS56101203A (en) Control device
JPS5312240A (en) Cut-off system of faulty terminal unit
JPS56102108A (en) Automatic gain controller
JPS6453676A (en) Terminal calling control device
JPS56162236A (en) Protection of actuator
JPS56110376A (en) Holding state display system of key telephone set
JPS5440251A (en) Weld line tracing device
YU194780A (en) Circuit assembly for connecting a modem arrangement for transmission to the telephone line
JPS54131752A (en) Touch switch circuit
ES479659A1 (es) Un circuito electrico de alarma.
JPS56112167A (en) Device for deciding loop resistance of push-button telephone set
JPS56143741A (en) Register controlling circuit
JPS52108708A (en) Impedance automatic control system at the time of multiplex call
JPS56160145A (en) Acoustic device
JPS5383455A (en) Off-delay timer
ES2038887R (da)
GB889840A (en) Improvements in or relating to telephone apparatus

Legal Events

Date Code Title Description
ATS Application withdrawn