FR816063A - Cadran d'appel comportant un blocage de certains numéros - Google Patents

Cadran d'appel comportant un blocage de certains numéros

Info

Publication number
FR816063A
FR816063A FR816063DA FR816063A FR 816063 A FR816063 A FR 816063A FR 816063D A FR816063D A FR 816063DA FR 816063 A FR816063 A FR 816063A
Authority
FR
France
Prior art keywords
blocking
certain numbers
call dial
dial
call
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
English (en)
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.)
Telephon Apparat Fabrik E Zwietusch and Co
Original Assignee
Telephon Apparat Fabrik E Zwietusch and Co
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 Telephon Apparat Fabrik E Zwietusch and Co filed Critical Telephon Apparat Fabrik E Zwietusch and Co
Application granted granted Critical
Publication of FR816063A publication Critical patent/FR816063A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • 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)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Push-Button Switches (AREA)
FR816063D 1936-02-05 1937-01-07 Cadran d'appel comportant un blocage de certains numéros Expired FR816063A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET46382D DE658604C (de) 1936-02-05 1936-02-05 Nummernschalter mit Einrichtung zur Sperrung bestimmter Anrufnummern

Publications (1)

Publication Number Publication Date
FR816063A true FR816063A (fr) 1937-07-29

Family

ID=6540525

Family Applications (2)

Application Number Title Priority Date Filing Date
FR811200D Expired FR811200A (fr) 1936-02-05 1936-08-26 Dispositif perfectionné destiné à être utilisé avec les cadrans d'appel des postes téléphoniques automatiques
FR816063D Expired FR816063A (fr) 1936-02-05 1937-01-07 Cadran d'appel comportant un blocage de certains numéros

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR811200D Expired FR811200A (fr) 1936-02-05 1936-08-26 Dispositif perfectionné destiné à être utilisé avec les cadrans d'appel des postes téléphoniques automatiques

Country Status (7)

Country Link
US (1) US2097384A (fr)
BE (2) BE419169A (fr)
CH (1) CH195492A (fr)
DE (1) DE658604C (fr)
FR (2) FR811200A (fr)
GB (2) GB480248A (fr)
NL (1) NL46870C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525909A (en) * 1947-11-05 1950-10-17 Joyce Maurice Automatic telephone dialing instrument
US2656417A (en) * 1948-11-30 1953-10-20 James Kilburg Corp Automatic telephone dialer
US2708221A (en) * 1950-10-27 1955-05-10 Joyce Maurice Automatic telephone dialing instrument
US2970481A (en) * 1956-04-05 1961-02-07 Admiral Corp Tuner control

Also Published As

Publication number Publication date
CH195492A (fr) 1938-01-31
BE417207A (fr)
DE658604C (de) 1938-04-11
GB480248A (en) 1938-02-14
NL46870C (fr)
US2097384A (en) 1937-10-26
GB466338A (en) 1937-05-26
BE419169A (fr)
FR811200A (fr) 1937-04-08

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