IT1261288B - Public prepayment card telephone system with access in a restricted environment - Google Patents

Public prepayment card telephone system with access in a restricted environment

Info

Publication number
IT1261288B
IT1261288B ITTO930194A ITTO930194A IT1261288B IT 1261288 B IT1261288 B IT 1261288B IT TO930194 A ITTO930194 A IT TO930194A IT TO930194 A ITTO930194 A IT TO930194A IT 1261288 B IT1261288 B IT 1261288B
Authority
IT
Italy
Prior art keywords
card
series
control module
data
access
Prior art date
Application number
ITTO930194A
Other languages
Italian (it)
Inventor
Massimo Mondardini
Original Assignee
Urmet Sud Costr Elett Telefon
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 Urmet Sud Costr Elett Telefon filed Critical Urmet Sud Costr Elett Telefon
Priority to ITTO930194A priority Critical patent/IT1261288B/en
Publication of ITTO930194A0 publication Critical patent/ITTO930194A0/en
Publication of ITTO930194A1 publication Critical patent/ITTO930194A1/en
Application granted granted Critical
Publication of IT1261288B publication Critical patent/IT1261288B/en

Links

Landscapes

  • Meter Arrangements (AREA)
  • Prepayment Telephone Systems (AREA)

Abstract

The system comprises one or more telephone terminals 10 with associated card readers 16 for reading a coded card of the magnetic strip type, a control unit 12 for the code card provided with means 17-18-19-20 for generating numbered series of code cards which in turn are individually numbered, and for storing the data of the individual cards of each series, and an interconnection module 13 connected in series with the telephone line (LT) and including means for detecting, on each activation of a telephone terminal 10, the data relating to the card used and for transferring the said data to the control module 12 for monitoring purposes, means 23 for connecting to the telephone line, enabled by the control module 12 after recognition of the validity of the card, and means 24 for receiving the charging pulses from the external line (LT) during the call and for transmitting the said pulses to the control module, which debits the card used and stores any residual value which it has. (Fig. 1) <IMAGE>
ITTO930194A 1993-03-23 1993-03-23 Public prepayment card telephone system with access in a restricted environment IT1261288B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITTO930194A IT1261288B (en) 1993-03-23 1993-03-23 Public prepayment card telephone system with access in a restricted environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO930194A IT1261288B (en) 1993-03-23 1993-03-23 Public prepayment card telephone system with access in a restricted environment

Publications (3)

Publication Number Publication Date
ITTO930194A0 ITTO930194A0 (en) 1993-03-23
ITTO930194A1 ITTO930194A1 (en) 1994-09-23
IT1261288B true IT1261288B (en) 1996-05-09

Family

ID=11411288

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO930194A IT1261288B (en) 1993-03-23 1993-03-23 Public prepayment card telephone system with access in a restricted environment

Country Status (1)

Country Link
IT (1) IT1261288B (en)

Also Published As

Publication number Publication date
ITTO930194A0 (en) 1993-03-23
ITTO930194A1 (en) 1994-09-23

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990323