ZA732501B - Improvements in or relating to telecommunications dial switches - Google Patents

Improvements in or relating to telecommunications dial switches

Info

Publication number
ZA732501B
ZA732501B ZA732501A ZA732501A ZA732501B ZA 732501 B ZA732501 B ZA 732501B ZA 732501 A ZA732501 A ZA 732501A ZA 732501 A ZA732501 A ZA 732501A ZA 732501 B ZA732501 B ZA 732501B
Authority
ZA
South Africa
Prior art keywords
telecommunications
relating
dial switches
dial
switches
Prior art date
Application number
ZA732501A
Inventor
E Schuler
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 ZA732501B publication Critical patent/ZA732501B/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
ZA732501A 1972-05-24 1973-04-11 Improvements in or relating to telecommunications dial switches ZA732501B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2225208A DE2225208B2 (en) 1972-05-24 1972-05-24 Number switch with directional lock acting on the brake regulator

Publications (1)

Publication Number Publication Date
ZA732501B true ZA732501B (en) 1974-02-27

Family

ID=5845736

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA732501A ZA732501B (en) 1972-05-24 1973-04-11 Improvements in or relating to telecommunications dial switches

Country Status (11)

Country Link
AR (1) AR193951A1 (en)
BE (1) BE799981A (en)
BR (1) BR7303724D0 (en)
CH (1) CH548141A (en)
DE (1) DE2225208B2 (en)
FR (1) FR2185904A1 (en)
IT (1) IT987784B (en)
LU (1) LU67640A1 (en)
NL (1) NL7305730A (en)
SE (1) SE379470B (en)
ZA (1) ZA732501B (en)

Also Published As

Publication number Publication date
NL7305730A (en) 1973-11-27
DE2225208C3 (en) 1974-10-03
IT987784B (en) 1975-03-20
DE2225208A1 (en) 1973-12-06
CH548141A (en) 1974-04-11
BE799981A (en) 1973-11-26
AR193951A1 (en) 1973-05-31
DE2225208B2 (en) 1974-03-07
FR2185904A1 (en) 1974-01-04
SE379470B (en) 1975-10-06
LU67640A1 (en) 1973-07-26
BR7303724D0 (en) 1974-07-11

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