JPS6484373A - Card certifying terminal equipment - Google Patents
Card certifying terminal equipmentInfo
- Publication number
- JPS6484373A JPS6484373A JP24115687A JP24115687A JPS6484373A JP S6484373 A JPS6484373 A JP S6484373A JP 24115687 A JP24115687 A JP 24115687A JP 24115687 A JP24115687 A JP 24115687A JP S6484373 A JPS6484373 A JP S6484373A
- Authority
- JP
- Japan
- Prior art keywords
- host device
- certification
- processing
- amount
- less
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Abstract
PURPOSE:To prevent the generation of illegal card transaction processing by providing the title equipment with a function for inquiring a host device at random even in case of executing transaction processing less than limit amount to be a decision reference for simulated certification processing. CONSTITUTION:When customer's purchasing amount inputted from a keyboard 3 exceeds the limit purchasing amount, certification processing is executed by the host device, and when the purchasing amount is less than the limit amount, a CPU 8 generates a random number and allows the host device to select whether the host device executes a certification request or not based on the generated random number. When the execution of the certification request to the host device is not selected, simulated certification processing is executed, but when the execution of the certification request to the host device is selected, certification processing based upon the host device is executed even when the purchasing amount is less than the limit amount. Consequently, the generation of illegal card transaction processing can be prevented.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24115687A JPH0778812B2 (en) | 1987-09-26 | 1987-09-26 | Card authentication terminal |
US07/247,348 US4874932A (en) | 1987-09-26 | 1988-09-21 | Card authorization terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24115687A JPH0778812B2 (en) | 1987-09-26 | 1987-09-26 | Card authentication terminal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6484373A true JPS6484373A (en) | 1989-03-29 |
JPH0778812B2 JPH0778812B2 (en) | 1995-08-23 |
Family
ID=17070095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24115687A Expired - Lifetime JPH0778812B2 (en) | 1987-09-26 | 1987-09-26 | Card authentication terminal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0778812B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003078952A (en) * | 2001-08-30 | 2003-03-14 | Fujitsu Ltd | Portable terminal and function suppression method |
-
1987
- 1987-09-26 JP JP24115687A patent/JPH0778812B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003078952A (en) * | 2001-08-30 | 2003-03-14 | Fujitsu Ltd | Portable terminal and function suppression method |
Also Published As
Publication number | Publication date |
---|---|
JPH0778812B2 (en) | 1995-08-23 |
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