• Archives of design research
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• v.12 no.2
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• pp.5-16
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• 1999

Nowadays the banks, with a wide spread of credit transaction practice in every business, offer better services to their customers, while the automation of banking is being made more rapid progress in th light of efficient banking service. For example, it is true that the automation of cash payment for customers goes on its progress and the competition between companies is getting more serious. Lately the banks that pursue "Banking Automation System" expand distribution of cash dispenser for the better electronic computer service and for the better service for their customers in quality. Therefore the makers producing "CD" accelerate their development of CD in various ways in order to secure MIS as the leading group of th field. CD, a kind of an automatic paying, is being used generally, and has various functions and its design is getting more compact than ever. Under this situation, I studied more trustworthy and convenient CD design suggestions in the way of case study on the basis of the process of developing CD and I suggest the better way of developing the design of CD in the future.of CD in the future.

• Proceedings of the Korea Contents Association Conference
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• 2006.05a
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• pp.462-465
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• 2006

Now a days the banks, with a wide spread of credit transaction practice in every business, offer better services to their customers, while the automation of banking is being made more rapid progress in th light of efficient banking service. For example, it is true that the automation of cash payment for customers goes on its progress and the competition between companies is getting more serious. Lately the banks that pursue "Banking Automation System" expand distribution of cash dispenser for the better electronic computer service and for the better service for their customers in quality. Therefore the makers producing "CD" accelerate their development of CD in various ways in order to secure M/S as the leading group of th field. CD, a kind of an automatic paying, is being used generally, and has various functions and its design is getting more compact than ever. Under this situation, I studied more trustworthy and convenient CD design suggestions in the way of case study on the basis of the process of developing CD and I suggest the better way of developing the design of CD in the future.

• The KIPS Transactions:PartC
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• v.18C no.2
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• pp.71-78
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• 2011

Financial accidents such as password exposure of credit cards or bankbooks occur often when a password is inputted to ATM/CD(Automated Teller Machines and Cash Dispenser), so particular attention is required when inputting a password. This study suggested a method to input a password safely to prevent stealing a glance at a password in case of the use of ATM/CD. The method is that users input a password when numbers are randomly displayed and disappear not to notice the password even though someone is next to or behind the users. As methods to input a password safely, the study verified safety by dividing the methods into a test of shoulder surfing, an intuitive perspective, and a theoretical analysis. In addition, the result of implementation to apply the method to ATM/CD shows that a percentage of acquiring a password from the attack of shoulder surfing is found to be lower than an existing method, so password exposure can be prevented.