JPS6488891A - High secrecy card system - Google Patents

High secrecy card system

Info

Publication number
JPS6488891A
JPS6488891A JP62246830A JP24683087A JPS6488891A JP S6488891 A JPS6488891 A JP S6488891A JP 62246830 A JP62246830 A JP 62246830A JP 24683087 A JP24683087 A JP 24683087A JP S6488891 A JPS6488891 A JP S6488891A
Authority
JP
Japan
Prior art keywords
card
writing
code number
reading
data
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.)
Pending
Application number
JP62246830A
Other languages
Japanese (ja)
Inventor
Ryosaku Koike
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.)
HINO DENSHI KK
Original Assignee
HINO DENSHI KK
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 HINO DENSHI KK filed Critical HINO DENSHI KK
Priority to JP62246830A priority Critical patent/JPS6488891A/en
Publication of JPS6488891A publication Critical patent/JPS6488891A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To improve secrecy by executing a specified scramble to a code number to be stored to a card and other data based on the code number, changing an attitude and storing it. CONSTITUTION:A card is inserted to a card writing/reading machine 11 and the code number and the other data are inputted by a keyboard in an input device 15. Then, a CPU13, a writing/reading control circuit 12, a filter 14 and the card writing/reading machine 11 are operated and the specified scramble is executed to the input data. Then, a writing to a card 1 is executed. The card 1 is inserted to a card reading/writing machine 21 of a terminal equipment 20 or the code number is inputted in an input device 25 and the stored data are read by a reading/writing control circuit 22 and a CPU23. Then, a reverse change to correspond to the scramble is executed based on the input code number in the CPU23 and the recording data are restored and sent to a central processing unit 26.
JP62246830A 1987-09-30 1987-09-30 High secrecy card system Pending JPS6488891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62246830A JPS6488891A (en) 1987-09-30 1987-09-30 High secrecy card system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62246830A JPS6488891A (en) 1987-09-30 1987-09-30 High secrecy card system

Publications (1)

Publication Number Publication Date
JPS6488891A true JPS6488891A (en) 1989-04-03

Family

ID=17154329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62246830A Pending JPS6488891A (en) 1987-09-30 1987-09-30 High secrecy card system

Country Status (1)

Country Link
JP (1) JPS6488891A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03187067A (en) * 1989-12-15 1991-08-15 Tokyo Electric Co Ltd Collating method for magnetic recording and reproducing system and commodity sale management system using the method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212976A (en) * 1983-05-18 1984-12-01 Hitachi Ltd Personal confirmation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212976A (en) * 1983-05-18 1984-12-01 Hitachi Ltd Personal confirmation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03187067A (en) * 1989-12-15 1991-08-15 Tokyo Electric Co Ltd Collating method for magnetic recording and reproducing system and commodity sale management system using the method

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