FR1082422A - Device comprising a dial selector disc for telephone, with locking contact - Google Patents

Device comprising a dial selector disc for telephone, with locking contact

Info

Publication number
FR1082422A
FR1082422A FR1082422DA FR1082422A FR 1082422 A FR1082422 A FR 1082422A FR 1082422D A FR1082422D A FR 1082422DA FR 1082422 A FR1082422 A FR 1082422A
Authority
FR
France
Prior art keywords
telephone
locking contact
selector disc
dial selector
dial
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe des Compteurs de Geneve SODECO
Original Assignee
Societe des Compteurs de Geneve SODECO
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 Societe des Compteurs de Geneve SODECO filed Critical Societe des Compteurs de Geneve SODECO
Application granted granted Critical
Publication of FR1082422A publication Critical patent/FR1082422A/en
Expired legal-status Critical Current

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)
  • Telephone Set Structure (AREA)
FR1082422D 1953-08-21 1953-08-26 Device comprising a dial selector disc for telephone, with locking contact Expired FR1082422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1082422X 1953-08-21

Publications (1)

Publication Number Publication Date
FR1082422A true FR1082422A (en) 1954-12-29

Family

ID=4556465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1082422D Expired FR1082422A (en) 1953-08-21 1953-08-26 Device comprising a dial selector disc for telephone, with locking contact

Country Status (4)

Country Link
CH (1) CH317713A (en)
DE (1) DE958205C (en)
FR (1) FR1082422A (en)
NL (1) NL189882C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067482B (en) * 1958-11-14 1959-10-22 Arnstadt Fernmeldewerk Arrangement for restricted number switch in coin telephones

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE268868C (en) *
DE833210C (en) * 1950-07-13 1952-03-06 Siemens & Halske A G Telephone number switch with mechanically driven blocking device for blocking certain call numbers

Also Published As

Publication number Publication date
DE958205C (en) 1957-02-14
CH317713A (en) 1956-11-30
NL189882C (en)

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