AT259028B - Number switch for telephones - Google Patents

Number switch for telephones

Info

Publication number
AT259028B
AT259028B AT345365A AT345365A AT259028B AT 259028 B AT259028 B AT 259028B AT 345365 A AT345365 A AT 345365A AT 345365 A AT345365 A AT 345365A AT 259028 B AT259028 B AT 259028B
Authority
AT
Austria
Prior art keywords
telephones
number switch
switch
Prior art date
Application number
AT345365A
Other languages
German (de)
Inventor
Arthur Dr Walter
Original Assignee
Deutsche Fernsprecher Gmbh
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
Priority claimed from DED44203A external-priority patent/DE1214736B/en
Application filed by Deutsche Fernsprecher Gmbh filed Critical Deutsche Fernsprecher Gmbh
Application granted granted Critical
Publication of AT259028B publication Critical patent/AT259028B/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
    • H04M1/31—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Push-Button Switches (AREA)
AT345365A 1964-04-18 1965-04-14 Number switch for telephones AT259028B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED44203A DE1214736B (en) 1964-04-18 1964-04-18 Number switch for telephones
DED46125A DE1259395B (en) 1964-04-18 1964-12-23 Contact device for outputting the dialing pulses in a number switch for telephones with a number of cams arranged in a circle on the main axis

Publications (1)

Publication Number Publication Date
AT259028B true AT259028B (en) 1967-12-27

Family

ID=25971867

Family Applications (1)

Application Number Title Priority Date Filing Date
AT345365A AT259028B (en) 1964-04-18 1965-04-14 Number switch for telephones

Country Status (8)

Country Link
AT (1) AT259028B (en)
BE (1) BE662752A (en)
CH (1) CH433452A (en)
DE (1) DE1259395B (en)
DK (1) DK109342C (en)
ES (1) ES311850A1 (en)
GB (1) GB1058096A (en)
NL (1) NL6504117A (en)

Also Published As

Publication number Publication date
DK109342C (en) 1968-04-16
CH433452A (en) 1967-04-15
ES311850A1 (en) 1965-07-01
GB1058096A (en) 1967-02-08
DE1259395B (en) 1968-01-25
BE662752A (en)
NL6504117A (en) 1965-10-19

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