CH543208A - Procedure to protect against incorrect connections in telecommunications switching systems - Google Patents

Procedure to protect against incorrect connections in telecommunications switching systems

Info

Publication number
CH543208A
CH543208A CH449272A CH449272A CH543208A CH 543208 A CH543208 A CH 543208A CH 449272 A CH449272 A CH 449272A CH 449272 A CH449272 A CH 449272A CH 543208 A CH543208 A CH 543208A
Authority
CH
Switzerland
Prior art keywords
procedure
protect against
switching systems
telecommunications switching
against incorrect
Prior art date
Application number
CH449272A
Other languages
German (de)
Inventor
Eugen Wuhrmann Karl
Vladislav Siuda Karl
Victor Fontollie Pierre-Gerard
Henry Beesley John
Moser Alfred
Original Assignee
Generaldirektion Ptt Hasler Ag
Siemens Ag Albis
Standard Telephon & Radio 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 Generaldirektion Ptt Hasler Ag, Siemens Ag Albis, Standard Telephon & Radio Ag filed Critical Generaldirektion Ptt Hasler Ag
Priority to CH449272A priority Critical patent/CH543208A/en
Priority to ES412212A priority patent/ES412212A1/en
Priority to GB1291473A priority patent/GB1380236A/en
Priority to IL41822A priority patent/IL41822A0/en
Priority to AU53496/73A priority patent/AU5349673A/en
Priority to IT22025/73A priority patent/IT982613B/en
Priority to DE19732314643 priority patent/DE2314643B2/en
Priority to LU67276A priority patent/LU67276A1/xx
Priority to NL7304140A priority patent/NL7304140A/xx
Priority to BE2052634A priority patent/BE797362A/en
Priority to FR7310876A priority patent/FR2178021B1/fr
Priority to JP48035011A priority patent/JPS5019305A/ja
Publication of CH543208A publication Critical patent/CH543208A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Communication Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH449272A 1972-03-27 1972-03-27 Procedure to protect against incorrect connections in telecommunications switching systems CH543208A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CH449272A CH543208A (en) 1972-03-27 1972-03-27 Procedure to protect against incorrect connections in telecommunications switching systems
ES412212A ES412212A1 (en) 1972-03-27 1973-03-01 Protection method against false connections in telecommunication systems
GB1291473A GB1380236A (en) 1972-03-27 1973-03-16 Protection method against false connections in telecommunication systems
IL41822A IL41822A0 (en) 1972-03-27 1973-03-19 Method for protecting against false connections in telecommunication exchange system
AU53496/73A AU5349673A (en) 1972-03-27 1973-03-20 Protection method
IT22025/73A IT982613B (en) 1972-03-27 1973-03-23 METHOD FOR PROTECTION AGAINST FALSE COMMITMENTS IN TELECOMMUNICATIONS SYSTEMS
DE19732314643 DE2314643B2 (en) 1972-03-27 1973-03-23 METHOD OF PROTECTION AGAINST WRONG PARTICULARLY AGAINST DOUBLE CONNECTIONS IN TELECOMMUNICATIONS SWITCHING SYSTEMS
LU67276A LU67276A1 (en) 1972-03-27 1973-03-23
NL7304140A NL7304140A (en) 1972-03-27 1973-03-23
BE2052634A BE797362A (en) 1972-03-27 1973-03-27 METHOD OF PROTECTING AGAINST ERROR CONNECTIONS IN A TELECOMMUNICATIONS SYSTEM
FR7310876A FR2178021B1 (en) 1972-03-27 1973-03-27
JP48035011A JPS5019305A (en) 1972-03-27 1973-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH449272A CH543208A (en) 1972-03-27 1972-03-27 Procedure to protect against incorrect connections in telecommunications switching systems

Publications (1)

Publication Number Publication Date
CH543208A true CH543208A (en) 1973-10-15

Family

ID=4277113

Family Applications (1)

Application Number Title Priority Date Filing Date
CH449272A CH543208A (en) 1972-03-27 1972-03-27 Procedure to protect against incorrect connections in telecommunications switching systems

Country Status (12)

Country Link
JP (1) JPS5019305A (en)
AU (1) AU5349673A (en)
BE (1) BE797362A (en)
CH (1) CH543208A (en)
DE (1) DE2314643B2 (en)
ES (1) ES412212A1 (en)
FR (1) FR2178021B1 (en)
GB (1) GB1380236A (en)
IL (1) IL41822A0 (en)
IT (1) IT982613B (en)
LU (1) LU67276A1 (en)
NL (1) NL7304140A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127742A (en) * 1977-09-01 1978-11-28 International Telephone And Telegraph Corporation Time division telecommunication system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1488781A (en) * 1965-08-07 1967-07-13 Western Electric Co Time division telephone system
FR1488780A (en) * 1965-08-07 1967-07-13 Western Electric Co Time division switching system

Also Published As

Publication number Publication date
DE2314643B2 (en) 1976-05-06
AU5349673A (en) 1974-09-26
NL7304140A (en) 1973-10-01
FR2178021A1 (en) 1973-11-09
LU67276A1 (en) 1973-08-17
JPS5019305A (en) 1975-02-28
FR2178021B1 (en) 1976-06-11
IT982613B (en) 1974-10-21
ES412212A1 (en) 1976-01-01
DE2314643A1 (en) 1973-10-18
GB1380236A (en) 1975-01-08
BE797362A (en) 1973-09-27
IL41822A0 (en) 1973-05-31

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Legal Events

Date Code Title Description
PL Patent ceased