BG37516A1 - Device for limiting telephone dial selection - Google Patents

Device for limiting telephone dial selection

Info

Publication number
BG37516A1
BG37516A1 BG6010583A BG6010583A BG37516A1 BG 37516 A1 BG37516 A1 BG 37516A1 BG 6010583 A BG6010583 A BG 6010583A BG 6010583 A BG6010583 A BG 6010583A BG 37516 A1 BG37516 A1 BG 37516A1
Authority
BG
Bulgaria
Prior art keywords
telephone dial
dial selection
limiting telephone
limiting
selection
Prior art date
Application number
BG6010583A
Other languages
English (en)
Inventor
Popov
Original Assignee
Popov
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 Popov filed Critical Popov
Priority to BG6010583A priority Critical patent/BG37516A1/xx
Priority to DD25965784A priority patent/DD252110A3/xx
Priority to CS86384A priority patent/CS256918B1/cs
Priority to HU56684A priority patent/HU188613B/hu
Priority to DE19843407085 priority patent/DE3407085A1/de
Priority to PL24659984A priority patent/PL142351B1/pl
Priority to RO84113898A priority patent/RO89332A/ro
Publication of BG37516A1 publication Critical patent/BG37516A1/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)
  • Structure Of Telephone Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Telephone Set Structure (AREA)
BG6010583A 1983-03-14 1983-03-14 Device for limiting telephone dial selection BG37516A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BG6010583A BG37516A1 (en) 1983-03-14 1983-03-14 Device for limiting telephone dial selection
DD25965784A DD252110A3 (de) 1983-03-14 1984-01-27 Einrichtung fuer die nummernwahlbegrenzung eines fernsprechapparats
CS86384A CS256918B1 (en) 1983-03-14 1984-02-07 Device for dialling's limitation with telephone set
HU56684A HU188613B (en) 1983-03-14 1984-02-13 Circuit arrangement for limiting numerical selection of telephones
DE19843407085 DE3407085A1 (de) 1983-03-14 1984-02-27 Einrichtung zur nummernwahlbegrenzung eines fernsprechapparats
PL24659984A PL142351B1 (en) 1983-03-14 1984-03-09 Apparatus for limiting possibilities of dialling in telephone set
RO84113898A RO89332A (ro) 1983-03-14 1984-03-12 Dispozitiv pentru limitarea selectarii numerelor unui aparat telefonic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG6010583A BG37516A1 (en) 1983-03-14 1983-03-14 Device for limiting telephone dial selection

Publications (1)

Publication Number Publication Date
BG37516A1 true BG37516A1 (en) 1985-06-14

Family

ID=3911892

Family Applications (1)

Application Number Title Priority Date Filing Date
BG6010583A BG37516A1 (en) 1983-03-14 1983-03-14 Device for limiting telephone dial selection

Country Status (7)

Country Link
BG (1) BG37516A1 (cs)
CS (1) CS256918B1 (cs)
DD (1) DD252110A3 (cs)
DE (1) DE3407085A1 (cs)
HU (1) HU188613B (cs)
PL (1) PL142351B1 (cs)
RO (1) RO89332A (cs)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268215B (de) * 1965-11-26 1968-05-16 Christos Stathacopoulos Vorrichtung an einem Fernsprechapparat zum Sperren des Apparates fuer Selbstwaehlferngespraeche
DE2341246A1 (de) * 1973-08-16 1975-02-20 Hagenuk Neufeldt Kuhnke Gmbh Elektronische sperreinrichtung fuer nummernschalterwahl zur verhinderung der wahl unerwuenschter waehlziffern
SE7411340L (cs) * 1974-01-19 1975-07-21 Masayuki Nagakura

Also Published As

Publication number Publication date
PL142351B1 (en) 1987-10-31
CS256918B1 (en) 1988-04-15
PL246599A1 (en) 1984-10-22
RO89332A (ro) 1986-07-30
HU188613B (en) 1986-04-28
HUT35888A (en) 1985-07-29
DD252110A3 (de) 1987-12-09
DE3407085A1 (de) 1984-09-20

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