• The Transactions of The Korean Institute of Electrical Engineers
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• v.57 no.3
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• pp.480-487
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• 2008

In this paper, we propose a Smart Adapted Service which can manage a schedule automatically. Smart Adapted Service gives a notice beforehand regarding information associated with the schedule, by searching the Internet. If the user has written down the name of goods or food which he wants to buy, Smart Adapted Service finds the most suitable store nearby him using the user's favorite list. The user's favorite list is created by Outlook Web Access System by analysing the schedule and habits of the user. User can access Smart Document System remotely through the Internet using Outlook Web Access System. We developed an Auto AP Roaming System for seamless communication and Smart Document System for arranging the information. We evaluated the system and verified that it is convenient to use and working well.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.18 no.11
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• pp.2786-2791
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• 2014

This paper describes the smart illuminating system based on the obstacle environmental presetting to improve the user convenience to easy lighting and energy conservation. Obstacle environment has trouble controlling the illuminating equipment using manual buttons in certain circumstances, which requires a smart remote controller. The smart remote controller is operated by the smart phone, motion sensor and timer to turn on and off the lamps. The event sensor module transmits the signals of the event occurrence to equipment on the remote place when smart phone and motion sensor detect an event, and the illuminator received the event turn on or off the lamp. The system results in energy saving by simple on/off control and manipulating the operating time with controlling the illuminating system preset by user's obstacle or preference circumstances. The proposed system implementation is experimented to figure out the energy saving about13.5w/h and the optimized convenience control.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2012.10a
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• pp.375-376
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• 2012

• Proceedings of the Korea Information Processing Society Conference
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• 2023.11a
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• pp.1025-1026
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• 2023

최근의 범죄 동향을 살펴보면 묻지마 범죄와 여성 혐오 범죄가 계속해서 늘어나는 추세이다. 낮과 밤을 구분하지 않고 일어나는 사건·사고들에 특히나 범죄에 노출되기 쉬운 여성들은 일상생활에서조차 안전을 보장받지 못하고 있다. 이를 위해 생겨난 여성안심 귀갓길이라고 지정된 보호구역은 보호라는 말이 무색하게 제대로 사용할 수 있는 방범 시스템이 제대로 마련되어 있지 않은 실정이다. 이와 같은 상황을 개선하기 위해 기존의 시각적 방범과는 달리 탐지 범위가 넓고 상대적으로 제한이 적은 음향으로 접근한 새로운 방범 시스템 개발을 통해 여성들의 안전을 보장할 수 있도록 제안한다.

• The Journal of the Korea institute of electronic communication sciences
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• v.6 no.5
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• pp.689-696
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• 2011

Feed industry began to demand that beyond simple feeds to meet the needs of customers with a premium catering by economic development situation and, depending on the user's convenience and customer needs. But tableware introduced in the feed system, the introduction of RFID. High and low temperatures and salinity problems that RFID chips, the feed system malfunction. In this paper, infused with IT Convergence Technology was carried out for a smart lunch by putting RFID chips in the Food Court distribute food. Food court meal to ensure stability of the system was a smart lunch that Hot food ($125^{\circ}C$) and cold ($-40^{\circ}C$) and salinity reflecting foods in High temperature, low temperature experiments, through salt spray test. In addition, the existing straight distribute food, scramble distribute food, Marketplace distribute food, Food Court and the advantages of a comparative analysis of distribute food investigated. Through this paper distribute food will contribute to the Food Court. IT convergence technology (RFID, LCD, S/W, H/W) to apply the feed industry in the development of Smart Food Court.

• Journal of Korea Game Society
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• v.10 no.5
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• pp.15-24
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• 2010

Smart phone games market is getting bigger. In this circumstance, the Experience game focusing user's activity is popular among the smart phone games because the user can be easily absorbed into the game and felt more sense of unity with the game. there are several studies about game storytelling which focus on story visualization or effective methods of game design, but the study of game storytelling connected with user's activity is not entirely satisfactory. Therefore, in this paper, we introduce a system for user's activity visualization of the experience game for smart phone. To achieve this, firstly, we show the model which is about the overall configuration of experience game for smart phone. secondly, the detail configurations of the overall game model is introduced. lastly, standing on the model, we introduce a simulation model and a developed program.

• The KIPS Transactions:PartC
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• v.17C no.1
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• pp.37-46
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• 2010

In an IPTV system, the rights of the content and service provider can be protected by using Conditional Access System (CAS) and Digital Right Management (DRM). In case of the CAS, only the authorized user who has structured authentication keys can decrypt the encrypted content. However, since the CAS establishes a secure channel only between content provider and Smart Card (SC), it cannot protect the system against McCormac Hack attack which eavesdrops on unsecure channel between SC and Set-Top Box (STB) and SC cloning attack. In this paper, we propose a robust multi-STB assisted SC / STB authentication protocol which can protect the IPTV system against not only McCormac Hack attack, but also SC cloning attack. The previous works which bind a STB and a SC during the SC registration phase against the SC cloning attack does not support multi-STB environments. The proposed system which dynamically updates the STB information in subscriber management system using the bi-directional channel characteristic of IPTV system can support the user's multi-STB device effectively.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2021.05a
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• pp.224-226
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• 2021

Recently, in order to increase the efficiency of the product production process, the automation of facilities and devices in the factory is in progress, and a smart factory is being built using ICT and IoT technologies. In order to organically solve many problems occurring in the smart factory, a system for monitoring the wireless communication function between facilities and devices and the manufacturing process environment of the smart factory is required. In this paper, we propose a monitoring system using a Bluetooth module, a temperature/humidity sensor and a fine dust sensor to remotely monitor the process environment of a smart factory. The proposed monitoring system collect Arduino sensor values wirelessly through Bluetooth communication.

• 제어로봇시스템학회:학술대회논문집
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• 2003.10a
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• pp.1694-1699
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• 2003

A windshield wiper system plays a key part in assuring the driver's safety during the rainfall. However, because the quantity of rain and snow vary irregularly according to time and the velocity of the automobile, a driver changes wiper speed and interval from time to time to secure enough visual field in the traditional windshield wiper system. Because a manual operation of windshield wiper distracts driver's sensitivity and causes inadvertent driving, this is becoming a direct cause of traffic accidents. Therefore, this paper presents the basic architecture of a vision-based smart windshield wiper system and a rain sensing algorithm that regulates speed and interval of the windshield wiper automatically according to the quantity of rain or snow. This paper also introduces a fuzzy wiper control algorithm based on human's expertise, and evaluates the performance of the suggested algorithm in an experimental simulator.

• Proceedings of the Korea Information Processing Society Conference
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• 2010.11a
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• pp.432-435
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• 2010

기존의 Mobile 환경과 다르게 Smart Phone 의 어플리케이션은 사용자 누구에게나 쉽고 빠르게 제공이 될 수 있다. 이런 Smart Phone 의 취지에 맞추어 보았을 때 여러 사람에게 누구나 제공 될 수 있는 강의 제공 방식의 필요성이 대두 된다 할 수 있다. 어떤 특정 사용자를 대상으로 하기 보다는 여러 사람들에게 양질의 contents 를 제공 할 수 있도록 하기 위함이다. 이를 위하여, OCW(Open Course Ware)의 contents 를 Smart Phone 에서 제공하는 SNOWmini 라 명칭한 모바일 개방형 강의 컨텐츠 제공 웅용 소프트웨어를 제시한다.