CH543208A - Verfahren zum Schutz gegen Falschverbindungen in Fernmeldevermittlungsanlagen - Google Patents

Verfahren zum Schutz gegen Falschverbindungen in Fernmeldevermittlungsanlagen

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)
English (en)
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/de
Priority to ES412212A priority patent/ES412212A1/es
Priority to GB1291473A priority patent/GB1380236A/en
Priority to IL41822A priority patent/IL41822A0/xx
Priority to AU53496/73A priority patent/AU5349673A/en
Priority to IT22025/73A priority patent/IT982613B/it
Priority to DE19732314643 priority patent/DE2314643B2/de
Priority to NL7304140A priority patent/NL7304140A/xx
Priority to LU67276A priority patent/LU67276A1/xx
Priority to FR7310876A priority patent/FR2178021B1/fr
Priority to BE2052634A priority patent/BE797362A/xx
Priority to JP48035011A priority patent/JPS5019305A/ja
Publication of CH543208A publication Critical patent/CH543208A/de

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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
CH449272A 1972-03-27 1972-03-27 Verfahren zum Schutz gegen Falschverbindungen in Fernmeldevermittlungsanlagen CH543208A (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CH449272A CH543208A (de) 1972-03-27 1972-03-27 Verfahren zum Schutz gegen Falschverbindungen in Fernmeldevermittlungsanlagen
ES412212A ES412212A1 (es) 1972-03-27 1973-03-01 Un metodo de proteccion contra conexiones falsas en centra-les para telecomunicacion.
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 (it) 1972-03-27 1973-03-23 Metodo per la protezione contro false commessioni in sistemi di telecomunicazioni
DE19732314643 DE2314643B2 (de) 1972-03-27 1973-03-23 Verfahren zum schutz gegen falsch- insbesondere gegen doppelverbindungen in fernmeldevermittlungsanlagen
NL7304140A NL7304140A (US07902200-20110308-C00112.png) 1972-03-27 1973-03-23
LU67276A LU67276A1 (US07902200-20110308-C00112.png) 1972-03-27 1973-03-23
FR7310876A FR2178021B1 (US07902200-20110308-C00112.png) 1972-03-27 1973-03-27
BE2052634A BE797362A (nl) 1972-03-27 1973-03-27 Werkwijze voor het beschermen tegen foutieve verbindingen in een telecommunicatiestelsel
JP48035011A JPS5019305A (US07902200-20110308-C00112.png) 1972-03-27 1973-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH449272A CH543208A (de) 1972-03-27 1972-03-27 Verfahren zum Schutz gegen Falschverbindungen in Fernmeldevermittlungsanlagen

Publications (1)

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

Family

ID=4277113

Family Applications (1)

Application Number Title Priority Date Filing Date
CH449272A CH543208A (de) 1972-03-27 1972-03-27 Verfahren zum Schutz gegen Falschverbindungen in Fernmeldevermittlungsanlagen

Country Status (12)

Country Link
JP (1) JPS5019305A (US07902200-20110308-C00112.png)
AU (1) AU5349673A (US07902200-20110308-C00112.png)
BE (1) BE797362A (US07902200-20110308-C00112.png)
CH (1) CH543208A (US07902200-20110308-C00112.png)
DE (1) DE2314643B2 (US07902200-20110308-C00112.png)
ES (1) ES412212A1 (US07902200-20110308-C00112.png)
FR (1) FR2178021B1 (US07902200-20110308-C00112.png)
GB (1) GB1380236A (US07902200-20110308-C00112.png)
IL (1) IL41822A0 (US07902200-20110308-C00112.png)
IT (1) IT982613B (US07902200-20110308-C00112.png)
LU (1) LU67276A1 (US07902200-20110308-C00112.png)
NL (1) NL7304140A (US07902200-20110308-C00112.png)

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
FR1488780A (fr) * 1965-08-07 1967-07-13 Western Electric Co Système de commutation à répartition temporelle
FR1488781A (fr) * 1965-08-07 1967-07-13 Western Electric Co Système téléphonique à répartition temporelle

Also Published As

Publication number Publication date
ES412212A1 (es) 1976-01-01
FR2178021A1 (US07902200-20110308-C00112.png) 1973-11-09
DE2314643A1 (de) 1973-10-18
IT982613B (it) 1974-10-21
IL41822A0 (en) 1973-05-31
LU67276A1 (US07902200-20110308-C00112.png) 1973-08-17
JPS5019305A (US07902200-20110308-C00112.png) 1975-02-28
DE2314643B2 (de) 1976-05-06
AU5349673A (en) 1974-09-26
NL7304140A (US07902200-20110308-C00112.png) 1973-10-01
FR2178021B1 (US07902200-20110308-C00112.png) 1976-06-11
GB1380236A (en) 1975-01-08
BE797362A (nl) 1973-09-27

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Legal Events

Date Code Title Description
PL Patent ceased