IT1261288B - Public prepayment card telephone system with access in a restricted environment - Google Patents
Public prepayment card telephone system with access in a restricted environmentInfo
- 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
Links
- 230000004913 activation Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
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>
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) |
-
1993
- 1993-03-23 IT ITTO930194A patent/IT1261288B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ITTO930194A1 (en) | 1994-09-23 |
ITTO930194A0 (en) | 1993-03-23 |
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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 |