Hong Jong Cheol

TL;DR: In this paper, a card with an electronic medium is provided to enable a user to output and check predetermined information stored in a card by using the card having an output function, which includes at least one of card information, personal information, coupon information, mileage information, individual photo information, avatar information and e-signature information.

TL;DR: In this article, a system for processing a payment approval of a check card, and a recording medium thereof are provided to process the payment approval by generating and using a cash service or a card loan if a payment account of the check card is insufficient to pay a payment authorization request amount.

TL;DR: In this paper, an investment method using an IC chip interworked with a wireless terminal is provided to enable an investment server to confirm access of the wireless terminal interwoven with the IC chip, and to authenticate a client in reference to subscriber authentication information of IC chip.

TL;DR: In this article, a method and a system for processing settlement using a watermark are provided to process the wireless settlement by making a settlement client recognize a watermarked image output from a settlement screen through a digital camera of a wireless terminal, and making the wireless terminal analyze/display the settlement information included in the watermark image.

TL;DR: In this paper, an OTP output method of a plurality of authentication way through index exchange, a system of the same, a mobile phone for the same and a recording of the recording are provided to firstly authenticate a mobile phones as a valid OTP medium and secondly authenticate the mobile phone as a invalidated OTP Medium through receives OTP CONSTITUTION: A server checks OTP generation information matched with an index value among at least one OTP generator information about the OTP information stored in a storing medium when firstly and secondly authenticating a mobile