Title:
BURGLAR PROOF MERCHANDISE PURCHASE CREDIT CARD SYSTEM
Document Type and Number:
Japanese Patent JPS5242347
Kind Code:
A
Abstract:
PURPOSE:To enable immediate and simple confirmation at that place for the carrier by verifying only the cryptograph set in the credit card.
Inventors:
UEDA YASUKO
Application Number:
JP11766375A
Publication Date:
April 01, 1977
Filing Date:
October 01, 1975
Export Citation:
Assignee:
UEDA YASUKO
International Classes:
G06K17/00; G06K5/00; G06Q20/00; G06Q20/40; G06Q20/42; G06Q50/00; (IPC1-7): G06F15/20; G06K5/00
Domestic Patent References:
| JPS48100045A | 1973-12-18 | |||
| JPS4870449A | 1973-09-25 |