CH549318A - Elektronische schaltungsanordnung zur abschaltung des sprech-stromkreises eines telefonapparates waehrend der nummern-uebermittlung. - Google Patents

Elektronische schaltungsanordnung zur abschaltung des sprech-stromkreises eines telefonapparates waehrend der nummern-uebermittlung.

Info

Publication number
CH549318A
CH549318A CH1467372A CH1467372A CH549318A CH 549318 A CH549318 A CH 549318A CH 1467372 A CH1467372 A CH 1467372A CH 1467372 A CH1467372 A CH 1467372A CH 549318 A CH549318 A CH 549318A
Authority
CH
Switzerland
Prior art keywords
disconnecting
numbers
transmission
telephone set
set during
Prior art date
Application number
CH1467372A
Other languages
German (de)
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CH549318A publication Critical patent/CH549318A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
CH1467372A 1971-10-07 1972-10-06 Elektronische schaltungsanordnung zur abschaltung des sprech-stromkreises eines telefonapparates waehrend der nummern-uebermittlung. CH549318A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1266571 1971-10-07

Publications (1)

Publication Number Publication Date
CH549318A true CH549318A (de) 1974-05-15

Family

ID=20296106

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1467372A CH549318A (de) 1971-10-07 1972-10-06 Elektronische schaltungsanordnung zur abschaltung des sprech-stromkreises eines telefonapparates waehrend der nummern-uebermittlung.

Country Status (3)

Country Link
CH (1) CH549318A (enExample)
FR (1) FR2155666A5 (enExample)
IT (1) IT968706B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906579B1 (de) * 1979-02-21 1980-07-17 Licentia Gmbh Schaltungsanordnung zur Umschaltung von tonfrequenter Signalabgabe auf Sprechbetrieb und umgekehrt in Fernmeldegeraeten

Also Published As

Publication number Publication date
IT968706B (it) 1974-03-20
FR2155666A5 (enExample) 1973-05-18

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Legal Events

Date Code Title Description
PL Patent ceased