ZA732876B - Improvements in or relating to telecommunications dial switches - Google Patents

Improvements in or relating to telecommunications dial switches

Info

Publication number
ZA732876B
ZA732876B ZA732876A ZA732876A ZA732876B ZA 732876 B ZA732876 B ZA 732876B ZA 732876 A ZA732876 A ZA 732876A ZA 732876 A ZA732876 A ZA 732876A ZA 732876 B ZA732876 B ZA 732876B
Authority
ZA
South Africa
Prior art keywords
telecommunications
relating
dial switches
dial
switches
Prior art date
Application number
ZA732876A
Other languages
English (en)
Inventor
E Schuler
M Hundseder
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 ZA732876B publication Critical patent/ZA732876B/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/30Devices which can set up and transmit only one digit at a time
    • H04M1/31Devices 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)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Toys (AREA)
  • Telephone Set Structure (AREA)
ZA732876A 1972-05-24 1973-04-27 Improvements in or relating to telecommunications dial switches ZA732876B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2225225A DE2225225B2 (de) 1972-05-24 1972-05-24 Nummernschalter für Fernmeldeinsbesondere Fernsprechgeräte

Publications (1)

Publication Number Publication Date
ZA732876B true ZA732876B (en) 1974-03-27

Family

ID=5845744

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA732876A ZA732876B (en) 1972-05-24 1973-04-27 Improvements in or relating to telecommunications dial switches

Country Status (11)

Country Link
AR (1) AR194560A1 (OSRAM)
BE (1) BE799983A (OSRAM)
BR (1) BR7303834D0 (OSRAM)
CH (1) CH548712A (OSRAM)
DE (1) DE2225225B2 (OSRAM)
FR (1) FR2185903A1 (OSRAM)
GB (1) GB1377338A (OSRAM)
IT (1) IT987785B (OSRAM)
LU (1) LU67638A1 (OSRAM)
NL (1) NL7306108A (OSRAM)
ZA (1) ZA732876B (OSRAM)

Also Published As

Publication number Publication date
DE2225225B2 (de) 1974-04-18
NL7306108A (OSRAM) 1973-11-27
IT987785B (it) 1975-03-20
LU67638A1 (OSRAM) 1973-07-26
FR2185903A1 (OSRAM) 1974-01-04
GB1377338A (en) 1974-12-11
DE2225225A1 (de) 1973-12-06
BR7303834D0 (pt) 1973-12-20
CH548712A (de) 1974-04-30
BE799983A (fr) 1973-11-26
AR194560A1 (es) 1973-07-23

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