BE871916A - Appareil telephonique a cadran d'appel a touches electronique alimente par la ligne - Google Patents

Appareil telephonique a cadran d'appel a touches electronique alimente par la ligne

Info

Publication number
BE871916A
BE871916A BE191656A BE191656A BE871916A BE 871916 A BE871916 A BE 871916A BE 191656 A BE191656 A BE 191656A BE 191656 A BE191656 A BE 191656A BE 871916 A BE871916 A BE 871916A
Authority
BE
Belgium
Prior art keywords
feeded
line
phone device
electronic keypad
keypad phone
Prior art date
Application number
BE191656A
Other languages
English (en)
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 BE871916A publication Critical patent/BE871916A/fr

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
    • H04M1/312—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 pulses produced by electronic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
BE191656A 1977-11-10 1978-11-10 Appareil telephonique a cadran d'appel a touches electronique alimente par la ligne BE871916A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772750348 DE2750348A1 (de) 1977-11-10 1977-11-10 Fernsprechapparat mit leitungsgespeistem elektronischen tastwahl- nummernschalter zum umsetzen der eingetasteten waehlziffern in nummernschalterimpulse

Publications (1)

Publication Number Publication Date
BE871916A true BE871916A (fr) 1979-03-01

Family

ID=6023457

Family Applications (1)

Application Number Title Priority Date Filing Date
BE191656A BE871916A (fr) 1977-11-10 1978-11-10 Appareil telephonique a cadran d'appel a touches electronique alimente par la ligne

Country Status (4)

Country Link
AU (1) AU4143078A (fr)
BE (1) BE871916A (fr)
DE (1) DE2750348A1 (fr)
FI (1) FI783386A (fr)

Also Published As

Publication number Publication date
DE2750348A1 (de) 1979-05-17
AU4143078A (en) 1979-05-17
FI783386A (fi) 1979-05-11

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