AT278914B - Circuit arrangement for subscriber stations with keypad selection in telecommunications, in particular telephone systems - Google Patents

Circuit arrangement for subscriber stations with keypad selection in telecommunications, in particular telephone systems

Info

Publication number
AT278914B
AT278914B AT100868A AT100868A AT278914B AT 278914 B AT278914 B AT 278914B AT 100868 A AT100868 A AT 100868A AT 100868 A AT100868 A AT 100868A AT 278914 B AT278914 B AT 278914B
Authority
AT
Austria
Prior art keywords
telecommunications
circuit arrangement
subscriber stations
telephone systems
particular telephone
Prior art date
Application number
AT100868A
Other languages
German (de)
Original Assignee
Telefunken Patent
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 Telefunken Patent filed Critical Telefunken Patent
Application granted granted Critical
Publication of AT278914B publication Critical patent/AT278914B/en

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
AT100868A 1967-02-01 1968-02-01 Circuit arrangement for subscriber stations with keypad selection in telecommunications, in particular telephone systems AT278914B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967T0033122 DE1273590B (en) 1967-02-01 1967-02-01 Circuit arrangement for subscriber stations with keypad selection in telecommunication systems, in particular telephone systems

Publications (1)

Publication Number Publication Date
AT278914B true AT278914B (en) 1970-02-25

Family

ID=7557522

Family Applications (1)

Application Number Title Priority Date Filing Date
AT100868A AT278914B (en) 1967-02-01 1968-02-01 Circuit arrangement for subscriber stations with keypad selection in telecommunications, in particular telephone systems

Country Status (2)

Country Link
AT (1) AT278914B (en)
DE (1) DE1273590B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606794C2 (en) * 1976-02-19 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for subscriber stations with keypad in telecommunication systems, in particular telephone systems

Also Published As

Publication number Publication date
DE1273590B (en) 1968-07-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee