SE328334B - - Google Patents

Info

Publication number
SE328334B
SE328334B SE1617566A SE1617566A SE328334B SE 328334 B SE328334 B SE 328334B SE 1617566 A SE1617566 A SE 1617566A SE 1617566 A SE1617566 A SE 1617566A SE 328334 B SE328334 B SE 328334B
Authority
SE
Sweden
Application number
SE1617566A
Inventor
C Stathacopulos
Original Assignee
C Stathacopulos
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 C Stathacopulos filed Critical C Stathacopulos
Publication of SE328334B publication Critical patent/SE328334B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Lock And Its Accessories (AREA)
SE1617566A 1965-11-26 1966-11-25 SE328334B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR650029106 1965-11-26

Publications (1)

Publication Number Publication Date
SE328334B true SE328334B (enrdf_load_stackoverflow) 1970-09-14

Family

ID=10927178

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1617566A SE328334B (enrdf_load_stackoverflow) 1965-11-26 1966-11-25

Country Status (3)

Country Link
DE (1) DE1268215B (enrdf_load_stackoverflow)
GB (1) GB1170076A (enrdf_load_stackoverflow)
SE (1) SE328334B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG37515A1 (en) * 1983-02-02 1985-06-14 Popov Device for limiting telephone dial selection
BG37516A1 (en) * 1983-03-14 1985-06-14 Popov Device for limiting telephone dial selection
DE3622712A1 (de) * 1986-07-05 1988-01-21 Neumann Elektronik Gmbh Verfahren zur sperrung einer fernsprecheinrichtung fuer abgehende gespraeche in fernsprechanlagen mit impuls- und/oder frequenzwahl sowie waehlsperre zur durchfuehrung des verfahrens

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE645061C (de) * 1934-02-11 1937-05-20 Int Standard Electric Corp Schaltung fuer Fernsprechanlagen mit Waehlerbetrieb
DE933276C (de) * 1953-02-19 1955-09-22 Siemens Ag Fernsprechnummernschalter mit Sperrung bestimmter Anfangsziffern
DE1000872B (de) * 1955-06-04 1957-01-17 Fernsprecher Ges M B H Deutsch Fernsprechnummernschalter mit einer die Wahl von Verkehrsausscheidungsziffern durch einen Sperrkontakt verhindernden Vorrichtung
DE1029420B (de) * 1957-04-02 1958-05-08 Lorenz C Ag Nummernschalter fuer Fernsprechanlagen mit Sperrung der ersten Ziffer einer Rufnummer
BE636631A (enrdf_load_stackoverflow) * 1962-08-28

Also Published As

Publication number Publication date
GB1170076A (en) 1969-11-12
DE1268215B (de) 1968-05-16

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