NL34344C - - Google Patents

Info

Publication number
NL34344C
NL34344C NL34344DA NL34344C NL 34344 C NL34344 C NL 34344C NL 34344D A NL34344D A NL 34344DA NL 34344 C NL34344 C NL 34344C
Authority
NL
Netherlands
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 NL34344C publication Critical patent/NL34344C/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
    • H04M1/66—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)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
NL34344D 1932-05-17 NL34344C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE401586X 1932-05-17

Publications (1)

Publication Number Publication Date
NL34344C true NL34344C (enrdf_load_html_response)

Family

ID=6406612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL34344D NL34344C (enrdf_load_html_response) 1932-05-17

Country Status (4)

Country Link
BE (1) BE395872A (enrdf_load_html_response)
FR (1) FR754355A (enrdf_load_html_response)
GB (1) GB401586A (enrdf_load_html_response)
NL (1) NL34344C (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511939A (en) * 1967-03-20 1970-05-12 Tamura Electric Works Ltd Local-call pay telephone arranged for key-enabled toll calls

Also Published As

Publication number Publication date
GB401586A (en) 1933-11-16
FR754355A (enrdf_load_html_response) 1933-11-03
BE395872A (enrdf_load_html_response)

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