JPS6484373A - Card certifying terminal equipment - Google Patents

Card certifying terminal equipment

Info

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
Application number
JP24115687A
Other languages
Japanese (ja)
Other versions
JPH0778812B2 (en
Inventor
Ryuichi Kimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP24115687A priority Critical patent/JPH0778812B2/en
Priority to US07/247,348 priority patent/US4874932A/en
Publication of JPS6484373A publication Critical patent/JPS6484373A/en
Publication of JPH0778812B2 publication Critical patent/JPH0778812B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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.
JP24115687A 1987-09-26 1987-09-26 Card authentication terminal Expired - Lifetime JPH0778812B2 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003078952A (en) * 2001-08-30 2003-03-14 Fujitsu Ltd Portable terminal and function suppression method

Cited By (1)

* Cited by examiner, † Cited by third party
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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