BE419169A - - Google Patents

Info

Publication number
BE419169A
BE419169A BE419169DA BE419169A BE 419169 A BE419169 A BE 419169A BE 419169D A BE419169D A BE 419169DA BE 419169 A BE419169 A BE 419169A
Authority
BE
Belgium
Application number
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.)
Publication of BE419169A publication Critical patent/BE419169A/xx

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)
BE419169D 1936-02-05 BE419169A (enrdf_load_stackoverflow)

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
BE419169A true BE419169A (enrdf_load_stackoverflow)

Family

ID=6540525

Family Applications (2)

Application Number Title Priority Date Filing Date
BE417207D BE417207A (enrdf_load_stackoverflow) 1936-02-05
BE419169D BE419169A (enrdf_load_stackoverflow) 1936-02-05

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE417207D BE417207A (enrdf_load_stackoverflow) 1936-02-05

Country Status (7)

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

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
FR811200A (fr) 1937-04-08
FR816063A (fr) 1937-07-29
GB480248A (en) 1938-02-14
NL46870C (enrdf_load_stackoverflow)
BE417207A (enrdf_load_stackoverflow)
GB466338A (en) 1937-05-26
DE658604C (de) 1938-04-11
US2097384A (en) 1937-10-26
CH195492A (fr) 1938-01-31

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