• Proceedings of the Korea Contents Association Conference
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• 2006.05a
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• pp.177-180
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• 2006

Currently the portable game industry compares in portable game industry of past, the size of the market becomes larger more, also the function of the game device provides technical of playing. In addition provides the function of the various multimedia contents. The portable game industry simply the size of market until the entertainment market where is not only the game market widened the territory from like this situation and it changed. It examines the purchase condition of the consumers from the portable game industry which will approach and the instance of domestic production game device GP2X conditions of the portable game device it will be able to create a high added value it listens to and the next domestic production portable game device industry advances and the reporter to investigate percentage direction it does.

• The Journal of the Korea Contents Association
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• v.7 no.5
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• pp.78-84
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• 2007

The portable game market is growing so fast recently. However, the development activities of domestic game development companies have been very week, which is mainly due to the lack of efficient and economical game development library solutions. This paper deals with how to implement 2D game library for SONY PSP game console that is very popular thesedays as a portable game console. We have ported the open source SDL library to PSP. Consequently, developers could develop games in PC environment and port it to PSP very easly based on the game library

• Proceedings of the KIEE Conference
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• 2006.10c
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• pp.391-393
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• 2006

In this paper, we develop a portable game device with uncompressed HD video and high quality sound output. Portable game devices support not only game function but also various complex functions recently. It especially supports TV-Out port to play realistic game, connecting a large screen display device. But the video and audio output signals of conventional TV-out port have the low performance and these signals are analog output. So, it is difficult that the users enjoy realistic game with benefit of high resolution digital TV. We propose the game device output with uncompressed digital signal, which has no delay of video/audio signal, also has strong immunity to external noise. Since it supports a high resolution video and high quality sound, users can playa realistic game. First, we implement the HDMI to the game device and we test reliability with the various resolutions video inputs and audio inputs. The proposed method can be applied multimedia devices requiring high performance output function as well as portable devices.

• Proceedings of the IEEK Conference
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• 2000.11d
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• pp.123-126
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• 2000

In this paper, the portable game machine called W"alking Beat" is designed and implemented not only to propose the new possibilities for the peripheral equipment market of portable acoustic machine but also to overcome the limitation of the acoustic simulation game machine such as the existing Beat Mania. The old game machine can be used only in a particular place, where it is installed. However, in order to get over the constraint on this space problem "Walking Beat Game Machine" is designed to facilitate the portability. In addition, the frequency analysis method using FFT algorithm is employed by regarding the music data for the portable digital acoustic machine as source so that the limitation that the existing game machine depends heavily on the previously registered game contents can be overcome. By making it possible to play games for all the music and putting an emphasis on multimedia trend only to listen to the music, it is speculated that it can contribute to the development of the new culture in the near future.

• Proceedings of the Korea Contents Association Conference
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• 2006.11a
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• pp.273-277
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• 2006

The portable game market is growing so fast recently. However, the development activities of domestic game development companies have been very week, which is mainly due to the lack of efficient and economical game development library This papers deals with how to implement 2D game library for SONY PSP game console that is very popular thesedays as a portable game console. We have ported the open source SDL library to PSP. Consequently, developers could develop games in PC environment and port it to PSP very easly based on the game library.

• IEMEK Journal of Embedded Systems and Applications
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• v.7 no.2
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• pp.113-120
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• 2012

In this paper we describe the integrated development environment for embedded software education. Our environment uses a cheap and widely available portable game console, Nintendo DS-lite. We have integrated open source development tools, and have implemented download shell, remote debugger. The results are all open source, and were used for university class for real embedded software education.

• Journal of Digital Contents Society
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• v.8 no.3
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• pp.377-383
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• 2007

The existing PMP contents have been usually providing moving picture services. However the rapid increasement by users of mobile equipment brought the need for multipurpose convergence, it is needed to develop the appropriate contents as these products appear. In this paper we designed the easy development environment for game contents that provide limited killer services. Game with the limited PMP input devices as a variety of portable input devices are developed and the equipment function of PMP itself is enhanced, its field of application will be further extended. So, we will design cross platform game development environment for PMP that is able to give friendly and valuable game contents to PMP users.

• 한국HCI학회:학술대회논문집
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• 2009.02a
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• pp.1272-1278
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• 2009

Titles of Nintendo DS are frequently use humor to help users fall in short time. Among many humor element, many titles use exaggeration. It is because 'exaggeration' is the best instrument to make users understand humor without complex cognitive process. Therefore, portable game using humor storytelling as a strategy for attracting various people.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.7 no.4
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• pp.608-615
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• 2006

Embedded System is one of important factor of ubiquitous computing, and it has various application areas. In this paper, we develop an educational contents for the education of young children using portable embedded machine; it shows embedded system can be applied to education area as well as to industry area. The system is similar to portable game machine, and it is easy to use everywhere. It also can download new contents from host computer or internet. The developed contents forms game and multimedia to derive children's interest.

• Proceedings of the Korea Contents Association Conference
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• 2009.05a
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• pp.833-838
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• 2009

Recently the use of the portable device like a PDA or a Smart-Phone increases to follow, Java technology that support Platform Independence on Hardware Flatform has become core Flatform in Software sphere. Especially Portable device use a KVM(Kilobyte Virtual Machine) of Java's various specification. In this paper, we design and implement Java Game Application for verification of KVM and verify on Real-Time Operating System iRTOS.