CH281295A - Wähltastatur an einem Teilnehmerapparat. - Google Patents

Wähltastatur an einem Teilnehmerapparat.

Info

Publication number
CH281295A
CH281295A CH281295DA CH281295A CH 281295 A CH281295 A CH 281295A CH 281295D A CH281295D A CH 281295DA CH 281295 A CH281295 A CH 281295A
Authority
CH
Switzerland
Prior art keywords
keypad
subscriber set
subscriber
Prior art date
Application number
Other languages
English (en)
Inventor
Weissenburger Adolf
Original Assignee
Weissenburger Adolf
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 Weissenburger Adolf filed Critical Weissenburger Adolf
Publication of CH281295A publication Critical patent/CH281295A/de

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
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/38—Pulses transmitted by a movement variably limited by the setting of a stop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
CH281295D 1948-08-30 1948-08-30 Wähltastatur an einem Teilnehmerapparat. CH281295A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH281295T 1948-08-30

Publications (1)

Publication Number Publication Date
CH281295A true CH281295A (de) 1952-02-29

Family

ID=4483082

Family Applications (1)

Application Number Title Priority Date Filing Date
CH281295D CH281295A (de) 1948-08-30 1948-08-30 Wähltastatur an einem Teilnehmerapparat.

Country Status (1)

Country Link
CH (1) CH281295A (de)

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