• Title/Summary/Keyword: Mobile Phone Case

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The theoretical construction and practical application of Evolution Model for creating the advanced information-technical system;based on mobile device (진보된 정보기술시스템을 창조하기 위한 진화모델의 이론적 구축 및 실제 응용 연구;mobile device를 기준으로)

  • Kim, Sung-Cheol;Shin, Min-Soo
    • 한국IT서비스학회:학술대회논문집
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    • 2006.11a
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    • pp.593-599
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    • 2006
  • Including technical device and general information system, the information-technical(IT) system is defined as the technical system for acquiring, processing, storing and transferring information to a person. This paper presents Knowledge-based Heuristic Evolution Model for creating the advanced information-technical system. This Evolution Model is derived from the historical review on definition of evolution, the research on the architecture of the general IT system, history of IT system, technology innovation theory and multi-case study research. The evolution model is applicable to the conceptual creation of the advanced product in R&D organization requiring development methodologies like rapid-prototyping to develop next generation product. For the detailed theoretical construction and practical application of Evolution Model, the case study research based on action research is performed. the object of the case study is mobile device, especially mobile hand-held phone. Thus, we obtain the Evolution Model for creating the advanced information-technical system.

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Analysis on Mobile Forensic of Smishing Hacking Incident (Smishing 사고에 대한 Mobile Forensic 분석)

  • Park, Dea-Woo
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2014.05a
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    • pp.207-210
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    • 2014
  • Damage is increasing by (Smishing) hacking attack Smishing you use a smart phone after entering 2013. Takeover of personal information and direct financial damage in collaboration with graphics sewing machine hacking attack has occurred. Monetary damage that leads to Internet payment service (ISP) and secure payment system in conjunction with graphics sewing machine hacking attack on a smartphone has occurred. In this paper, I will study analysis in the laboratory examples of actual infringement vinegar sewing machine hacking attack. It is a major power security measures to prevent damage to the secure payment system that a case analysis and practical principle technical nest sewing machine hacking attack, using Smishing. In this paper, I will be to research to be able to through a smart phone, to the online payment safer and more convenient.

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Mobi-Kids Study: Exposure Assessment of Electromagnetic Radiation from Mobile Phones I. Analysis on Exposure Types (Mobi-Kids Study: 휴대전화의 전자파 노출량 평가 I. 노출 유형 분석)

  • Lee, Ae-Kyoung;Wi, Hyunho;Yoon, Yonghyun;Kim, Dae-Keon;So, Jae-Sang;Lee, Byungje;Choi, Hyung-Do
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.24 no.10
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    • pp.1017-1026
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    • 2013
  • Four countries are participating in exposure assessment for Mobi-Kids Study. Each country evaluates RF and ELF exposure from mobile phones considering telecommunication system and environment in the corresponding area. The results will be used to determine accumulation exposure level of each subject in case and control groups to assess the potential carcinogenic effects of childhood and adolescent exposure to radio frequency(RF) and extremely low frequency( ELF) from mobile phones on the central nervous system. This paper analyzes exposure types of mobile phones which have been used in Korea for about 10 years, based on Mobi-Kids protocol. It includes investigation of mobile phone models released in the domestic market, design of numerical phone models to represent each exposure type, and measurement of ELF radiation from mobile phones.

Mobile application for preventing card loss using the NFC technology (NFC 기술을 이용한 카드 분실을 방지하기 위한 모바일 앱)

  • Kang, Ki-Beom;Jwa, Jeong-Woo;Kim, Soon-Whan;Kim, Heung-Soo
    • The Journal of the Korea institute of electronic communication sciences
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    • v.12 no.1
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    • pp.181-188
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    • 2017
  • As smart phone users increase the number of users who insert credit cards into wallet type smart phone cases is increasing. In this paper, we developed an Android application for preventing credit card loss in a wallet type smart phone case using the NFC (Near Field Communication) technology of smart phone. The developed android application uses the NFC reading and writing functions of the smart phone. When the credit card is inserted into the wallet type smart phone case, the android application detects the NFC tag in the credit card and registers credit card information. When the credit card is removed from the smart phone case, the Android application automatically detects the credit card loss and notifies to the user. The user can check and finds the location information of the lost credit card on the map of the Android application. We can easily develop the Android application for preventing credit card loss when a function that automatically detects an leaving NFC tag is added to Android.

Connector Design in Press Forming Process to Prevent Frame Twisting of Metal Front Case for Mobile Phone (휴대폰용 금속 프론트 케이스의 프레스 성형공정에서 프레임의 형상오차 저감을 위한 연결부 형상설계)

  • Lee, I.K.;Lee, C.J.;Son, Y.K.;Lee, J.M.;Kim, D.H.;Kim, B.M.
    • Transactions of Materials Processing
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    • v.20 no.2
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    • pp.104-109
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    • 2011
  • The metal front case of a mobile phone is manufactured by press forming and welding of thin metal sheets. Twisting of the frame after the forming process is one of main obstacle for the assembly with reinforcement by welding. This study introduces a method preventing twisting of the metal front case frame in press forming. The spring-back after forming produces twisting of the frame, which leads to a low structural stiffness. To reduce twisting, connectors are required to reinforce the structural stiffness of the frame. In this study, the twisting profile is evaluated using a finite element(FE) analysis for various connector shapes. The actual connector shape is determined by minimization of the frame twisting within the tolerance of the FE-analysis. To verify the validity of the proposed blank shape, a forming experiment is performed and the twisting profile is measured using a 3D laser scanning method. The dimensional accuracy is found to be within the tolerance and in good agreement with the FE-analysis.

The technological innovation patterns of component suppliers in the post catching-up period : The case study of component suppliers in mobile phone industry (탈(脫) 추격체제에서 부품업체의 기술혁신활동: 휴대전화 부품업체 사례연구)

  • Song, Wi-Chin;Hwang, Hye-Ran
    • Journal of Korea Technology Innovation Society
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    • v.9 no.3
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    • pp.435-450
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    • 2006
  • As technological capabilities have enhanced, the patterns of innovation activities of latecomer firms changed to post catch-up mode. The purpose of this research is to provide conceptual frameworks for post catch-up mode of innovation activities, based on the case study on Korean mobile phone industry. It presents the possibilities of architectural innovation of latecomer firms, which is stimulated by the co-operative innovation activities between component suppliers and users from the initial stage of final product development.

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A Study evidence collection and analysis procedures for smartphone forensic (스마트폰 포렌식을 위한 증거수집 및 분석절차 연구)

  • Lee, Jae-Hyun;Park, Dea-Woo
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.05a
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    • pp.463-466
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    • 2012
  • Smartphones along with the development of crime evidence has been using smartphones. Phone's internal storage medium can be used as evidence in the case of images, video, phone, GPS information, there are Internet access and other data records. Therefore, these data to collect evidence of a systematic procedure for collecting and analyzing evidence is needed. In this paper, the target mobile phone forensics forensic evidence collection, evidence analysis, and reporting results to the procedures and how to draw. Through this paper, phone forensics and will serve as a basis for the investigation.

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Mobi-Kids Study: Exposure Assessment of Electromagnetic Radiation from Mobile Phones -II. Evaluation Method of Head SAR and Cumulative Dose (Mobi-Kids Study: 휴대전화의 전자파 노출량 평가 -II. 머리 SAR 및 누적노출 평가 방법)

  • Lee, Ae-Kyoung;Hong, Seon-Eui;Choi, Kyung-Hwa;Ha, Mina;Choi, Hyung-Do
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.24 no.12
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    • pp.1158-1166
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    • 2013
  • SAR calculation method following the Mobi-Kids study protocol is analyzed and evaluation method of cumulative RF dose from mobile phones which have been used by a subject of case and control groups is proposed. An SAR database is built by calculating SAR distributions in 4 head models at different ages for representative phone models with the same conducted power. To obtain SAR distribution in a subject's head for a specific commercial phone which had/have been used by him/her, an SAR correction factor using SAR compliance test results is determined. Cumulative dose is calculated by considering mobile phone characteristics and use pattern such as call time and laterality(right and left).

WAP Abstract Kernel Layer Supporting Multi-platform (다중 플랫폼 지원을 위한 WAP 추상 커널 계층)

  • Gang, Yeong-Man;Han, Sun-Hui;Jo, Guk-Hyeon
    • The KIPS Transactions:PartD
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    • v.8D no.3
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    • pp.265-272
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    • 2001
  • In case of implementing a complicated application like WAP (Wireless Application Protocol) in a mobile terminal with the characteristics of bare machine and versatile kernel aspects of which are control, interrupt and IPC(Inter Process Communication), a special methodology should be needed. If not, it will cause more cost and human resources, even delayed product into launching for the time-to-market. This paper suggests AKL, (Abstract Kernel Layer) for the design and implementation of WAP on basis of multi-platform. AKL is running on the various kernel including REX, MS-DOS, MS-Window, UNIX and LINUX. For the purpose of it, AKL makes machine-dependant features be minimized and supports a consistent interface on API (Application Program Interface) point of view. Therefore, it makes poring times of a device be shorten and makes easy of maintenance. We validated our suggestion as a consequent of porting WAP into PlamV PDA and mobile phone with AKL.

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Development Process of a Universal Design Evaluation Index with a Case Study for Mobile Phone Evaluation (휴대전화기 평가 사례를 통한 유니버설디자인 평가 도구 개발 프로세스)

  • Kim, Mi-Yeon;Jung, Eui-S.;Park, Sung-Joon
    • Journal of the Ergonomics Society of Korea
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    • v.25 no.4
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    • pp.51-62
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    • 2006
  • The concept of universal design has recently emerged as an important aspect of product design. Universal design is considerably analogous to ergonomic design in a way that it takes the capabilities and limitations of users into consideration during the product development process. However, relatively few studies have been devoted to reflect the practical use of ergonomic principles on universal design. This research attempts to develop a universal design index for mobile phone design to quantify how well a product complies with principles of universal design. The research also emphasizes on ergonomic principles as a basis of evaluation. A generation of the evaluation items was done by cross-checking among the personal, activity and product components. Personal components consist of human characteristics including age, physique, perceptual capacity, life-style, etc. Activity components were derived from those scenarios of mobile phone use while product components were composed of the parts to which a user interacts. Further analysis systematically generated a universal index from relationship matrices among the three components. The index was then used to test its suitability by applying to the evaluation of mobile phones currently on the market. This study demonstrates a development process through which evaluations can be made possible for universal design. The research suggests an improved approach to the appraisal of how well mobile phones are universally designed based on ergonomic principles.