CH321707A - Apparecchio telefonico a prepagamento, per comunicazioni a tariffe diverse - Google Patents

Apparecchio telefonico a prepagamento, per comunicazioni a tariffe diverse

Info

Publication number
CH321707A
CH321707A CH321707DA CH321707A CH 321707 A CH321707 A CH 321707A CH 321707D A CH321707D A CH 321707DA CH 321707 A CH321707 A CH 321707A
Authority
CH
Switzerland
Prior art keywords
communications
telephone set
different rates
prepaid telephone
prepaid
Prior art date
Application number
Other languages
English (en)
Italian (it)
Inventor
Oglietti Giovanni
Caramella Vittorio
Original Assignee
S T I P E L Societa Telefonica
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 S T I P E L Societa Telefonica filed Critical S T I P E L Societa Telefonica
Publication of CH321707A publication Critical patent/CH321707A/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
  • Meter Arrangements (AREA)
CH321707D 1952-03-24 1953-03-06 Apparecchio telefonico a prepagamento, per comunicazioni a tariffe diverse CH321707A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT321707X 1952-03-24

Publications (1)

Publication Number Publication Date
CH321707A true CH321707A (it) 1957-05-15

Family

ID=11234960

Family Applications (1)

Application Number Title Priority Date Filing Date
CH321707D CH321707A (it) 1952-03-24 1953-03-06 Apparecchio telefonico a prepagamento, per comunicazioni a tariffe diverse

Country Status (5)

Country Link
CH (1) CH321707A (Direct)
DE (1) DE1030891B (Direct)
FR (1) FR1077633A (Direct)
GB (1) GB731112A (Direct)
NL (2) NL176916B (Direct)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE829315C (de) * 1950-01-28 1952-01-24 Siemens & Halske A G Muenzfernsprecher mit Muenzenabzaehlvorrichtung fuer verschiedenwertige Verbindungen
DE828857C (de) * 1950-03-23 1952-01-21 Siemens & Halske A G Muenzfernsprecher fuer verschiedenwertige Verbindungen

Also Published As

Publication number Publication date
GB731112A (en) 1955-06-01
FR1077633A (fr) 1954-11-10
NL176916B (nl)
NL86475C (Direct)
DE1030891B (de) 1958-05-29

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