• Proceedings of the Korea Contents Association Conference
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• 2006.05a
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• pp.537-540
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• 2006

The success of DMB is controled its contents. Existing broadcasting contents will be retransmitted to DMB in the early stage of broadcasting. However, they must be produced appropriately to the property of DMB. To make good DMB contents, it's very important for us to analyze characteristics of DMB and costumer behaviors of DMB service. In this research, We suggest a production method for DMB contents such as contents length, camera work, visual expression. Contents will be key factor in the success of DMB.

• Journal of Digital Contents Society
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• v.13 no.4
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• pp.601-608
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• 2012

Platform carriers that were welcomed due to their open policy are now having Vertical-Systematization. As the Vertical-Systematization to strengthen platform's quality intensifies, the qualities of OS, network and manufacturing abilities may be weakened. As the environment changes, consumers move from attractive platform to attractive contents and the killer contents will become the key success factor. Hence, the platform carriers will aim to acquire killer contents to attract more users causing excessive competition for Killer Contents Sourcing. The following paper examines the problems that will stem from fierce competition among platforms, problems regarding the Contents Sourcing and solution for the content-providers.

• The Journal of the Convergence on Culture Technology
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• v.5 no.2
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• pp.201-206
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• 2019

The study aims to explore ways to advance into the Indonesian market, focusing on hallyu contents such as Korean dramas, music and movies. To this end, we have empirically explored the reasons why local people in Indonesia like Korean wave contents, its consumption channels, its popularity factors for Korean wave contents and its effectiveness. According to the research, the reasons for the popularity of Korean wave contents were confirmed by the quality of the contents itself and the human appeal of the contents. And the consumption path was mainly through television, and the favorable impression of Korean wave contents was found to have a positive effect on the positive feeling toward Korea and the willingness to visit Korea.

• Journal of the Korea Institute of Military Science and Technology
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• v.18 no.2
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• pp.125-130
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• 2015

Vehicles and UGV(Unmanned Ground Vehicle) need a variety of road informations, such as road profile, soil type and soil water contents, to run a cross country course. Especially, soil water contents are very important factor to judge the vehicle mobility, because it can change soil strength. This paper describes the real-time measuring method of soil water contents by using the soil thermal conductivity.

• Proceedings of the KIEE Conference
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• 1994.07b
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• pp.1254-1256
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• 1994

0.15$(Ba_{0.95}Sr_{0.05})$O-0.15$(Sm_{2(1-x)}Nd-{2x})O_3-0.7TiO_2 (x=0{\sim}10[m/o])$ ceramics were fabricated by mixed-oxide method. Microwave dielectric properties was investigated with the contents of $Nd_2O_3$. Increasing the contents of $Nd_2O_3$ from 0 to 6[m/o], sintered density was increased 5.53 to $5.68[g/ cm^3]$. In the specimen with contents of $Nd_2O_3$(6[m/o]), dielectric content was maximum value of 78.14 and decreased with increasing the contents of $Nd_2O_3$. Quality factor was increased with the contents of $Nd_2O_3$.

• Journal of Internet Computing and Services
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• v.4 no.5
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• pp.31-41
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• 2003

At present, the market size of electronic commerce has increased and also the construction of internet shopping mall has expended. But it raises question about issue that the manpower who develope user interface lack of the comprehensive and systematic approach. For that reason this study identified the main factor of the user interface contents in internet shopping mall and suggested the contents item based on the reliability, safety and ease of uses for the customer. Eventually, the developed basic contents items are company information, the protection policy of private information, user agreement. product information, settlement information, order process, delivery process and customer support.

• Proceedings of the KIEE Conference
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• 1988.11a
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• pp.241-245
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• 1988

This paper reports the experiments regarding to diagnosis techniques for power transformers by measuring dissipation factor and moisture contents of mineral oils. Thermal aging environments of mineral oils were varied by the specially designed systems. Thermal aging of elevated temperature of $90^{\circ}C$ was performed for about 240 and 460 hours, respectively. Dissipation factor, permittivity, and water content were measured. Our test samples were not exposed to air. Dissipation factor increased while permittivity did not change. The level of dissipation factor determining the insulating quality of mineral oil was compared with the previous results of resistivity and several correction factor.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2006.11a
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• pp.219-220
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• 2006

In this study, m order to develop multilayer ceramics vibrator for ultrasonic nozzle, PMN-PNN-PZT ceramics were fabricated using $Li_2CO_3-Na_2CO_3$ as sintering aids and their piezoelectric and dielectric characteristics were investigated according to the aomunt of PbO. With increasing PbO contents. secondary phases were increased and phase structure were changed from tetragonal structure to rhombohedral structure and also electromechanical coupling factor were linearly decreased. At the composition ceramics with the sintering temperature of $870^{\circ}C$ and 1 mol% excess PbO, density, electromechanical coupling factor, dielectric constant, piezoelectric d constant and mechanical quality factor showed the optimum value of $7.879g/cm^2$, 0.55, 1149, 328pC/N, 1224, respectively for multilayer ceramics vibrator application for ultrasonic nozzle.

• Proceedings of the KIEE Conference
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• summer
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• pp.1214-1216
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• 2004

Conventional Switched Mode Power Supplies(SMPS) with diode-capacitor rectifier have distorted input current waveform with high harmonic contents. Typically, these SMPS have a power factor lower than 0,65. To improve with this problem the power factor correction(PFC) circuit of power supplies has to be introduced. PFC circuit have tendency to be applied in new power supply designs. The input active power factor correction circuits can be implemented using either the two-stage or the single-stage approach. In this paper, the comparative analysis of power factor correction circuit using feedforward control with average current mode single-stage flyback method converter and two-stage converter which is combination of boost and flyback converter. The two prototypes of 50W were designed and tested a laboratory experimental. Also, the comparative analysis is confirmed by simulation and experimental results.

• International Journal of Contents
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• v.8 no.2
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• pp.43-51
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• 2012

This study identifies the determinants of increasing privacy concerns in the mobile apps. The privacy affecting factors will be divided into the 3 categories on the basis of both users' and developers' perspective. First, this study explores whether the users' seeking value affects concern of the mobile apps privacy. Second, gender gap on the mobile privacy sensitivity will be tested. Third, this study identifies the meaning of apps developers' providing toolkit in the users' sensitivity on the privacy. The result showed that innovation among the customer's characteristics was identified the most significant factor to affect the mobile app privacy sensitivity. Ethical norm related variables (ethical identity, subjective norm and utilitarian value) were also identified as the meaningful variables in the mobile app privacy. Toolkits provided by app developers are also appeared a significant variable to affect the customer's app privacy sensitivity negatively. Finally gender also appears the meaningful factor in the mobile app privacy sensitivity.