Youngbin
Youngbin Cho, Seoul KR
Patent application number | Description | Published |
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20140061300 | CARD PAYMENT SYSTEM - In one example embodiment, a card payment system includes a card payment apparatus, having an audio jack, configured to: read account information stored on a payment card, transmit the account information via a microphone contact of an audio jack, and receive an acoustic signal via at least one earphone contact of the audio jack; and a client device, having an audio jack socket to receive the audio jack, configured to: receive, from the card payment apparatus, the account information via a receptor for the microphone contact of the audio jack, and transmit, to the card payment apparatus, the acoustic signal via the at least one earphone contact. | 03-06-2014 |
20140061301 | CARD PAYMENT SYSTEM - In one example embodiment, a card payment system includes a card payment apparatus, having an audio jack, configured to: read account information stored on a payment card, encode a counter value of the card payment apparatus into a onetime password, transmit the account information and onetime password via a microphone contact of the audio jack, and receive an acoustic signal via at least one earphone contact of the audio jack; and a client device, having an audio jack socket to receive the audio jack, configured to: receive the account information and onetime password via the microphone contact, transmit, to the card payment apparatus, the acoustic signal via the at least one earphone contact, decode the onetime password into the counter value, and authenticate the card payment apparatus based on the counter value of the card payment apparatus and a counter value of the client device. | 03-06-2014 |
20140061309 | CARD PAYMENT SYSTEM - In one example embodiment, a card payment apparatus includes a member having a magnetic strip reader configured to read account information from a magnetic strip of a first payment card and an integrated chip (IC) reader configured to read account information from an IC chip of a second payment card; a sliding face configured to allow the first payment card to slide thereon, when the magnetic strip reader reads the account information from the magnetic strip; and a card receptacle configured to receive the second payment card, when the IC reader reads the account information from the IC chip. | 03-06-2014 |
Youngbin Im, Seoul KR
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20140366070 | METHOD AND APPARATUS FOR ASSIGNING VIDEO BITRATE IN MOBILE COMMUNICATION SYSTEM - An embodiment provides a method for supporting video transmission and reception in a bitrate selection server of a mobile communication system. The method includes receiving a metadata request of a video from a terminal. The method also includes transmitting the received metadata request to a media server based on the request; receiving a metadata response from the media server. The method also includes storing the received video metadata and transmitting the received video metadata to the terminal. The method also includes requesting subscriber information of the terminal to a Policy and Changing Rules Function (PCRF) and receiving the subscriber information. The method also includes receiving a video segment request of the video from the terminal. The method also includes determining a bitrate of the video based on at least one of the video metadata and the subscriber information. | 12-11-2014 |
Youngbin Lee, Suwon-Si KR
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20120282419 | GRAPHENE PROTECTIVE FILM SERVING AS A GAS AND MOISTURE BARRIER, METHOD FOR FORMING SAME, AND USE THEREOF - The present invention relates to a method for forming a graphene protective film having gas and moisture barrier properties, to a graphene protective film formed by the method, and to the use thereof. A single-layer or multi-layer graphene protective film can be used as a material for a barrier coating or bags, and improves the gas and moisture barrier properties of a variety of devices in a wide array of industrial fields to thereby maintain the electrical characteristics of devices over a long period of time. | 11-08-2012 |
20130187097 | METHOD FOR PRODUCING GRAPHENE AT A LOW TEMPERATURE, METHOD FOR DIRECT TRANSFER OF GRAPHENE USING SAME, AND GRAPHENE SHEET - The present invention relates to a method for forming graphene at a low temperature, to a method for direct transfer of graphene using same, and to a graphene sheet. The method for forming graphene at a low temperature comprises supplying a carbon-source-containing gas to a metal catalyst layer for graphene growth formed on a substrate, and forming graphene at a low temperature of 500° C. or less by means of inductively coupled plasma-chemical vapor deposition (ICP-CVD). | 07-25-2013 |