• Title, Summary, Keyword: Smart device

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An advertisement method using inaudible sound of speaker

  • Chung, Myoungbeom
    • Journal of the Korea Society of Computer and Information
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    • v.20 no.8
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    • pp.7-13
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    • 2015
  • Recently, there are serviced user customized advertisement of various type using smart device. Representative services are advertisement service using light of smart TV screen or audible sound of smart TV to transmit advertisement information. However, those services have to do a specific action of smart device user for advertisement information or need audible audio information of TV contents. To overcome those weakness, therefore, we propose an advertisement method using inaudible sound of speaker based on smart device. This method supports the transfer of advertising content to the smart device user with no additional action or TV audio signal required to access that content. The proposed method used two high frequencies among 18kHz ~ 22kHz of audible frequency range which smart TV can send out. And it generates those frequencies synthesized with audio of TV contents as trigger signal which can send advertisements to smart device. Next, smart device analysis the trigger signal and request advertisement contents related to the signal to server. After then, smart device can show the downloaded contents to user. Because the proposed method uses the high frequencies of sound signals via the inner speaker of the smart device, its main advantage is that it does not affect the audio signal of TV content. To evaluate the efficacy of the proposed method, we developed an application to implement it and subsequently carried out an advertisement transmission experiment. The success rate of the transmission experiment was approximately 97%. Based on this result, we believe the proposed method will be a useful technique in introducing a customized user advertising service.

Effects of Parent-Child Attachment, Parental Involvement in Child-Rearing and Instruction for Children's Effective Use of Smart Devices on Young Children's Smart-Device Overuse Behavior (부모의 자녀애착, 양육 참여 및 스마트기기 사용지도가 유아의 스마트기기 과다 사용에 미치는 영향)

  • Moon, Kyung Im;Lee, Wan Jeong
    • Family and Environment Research
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    • v.54 no.6
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    • pp.611-620
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    • 2016
  • This study examined how parent-child attachment, parental involvement in child rearing and instruction for children's effective use of a smart device reflect on young children's smart device overuse behavior. We collected questionnaires from 196 parents with children attending early childhood education institutions for the survey. Frequency analysis as well as Person correlation coefficient and regression analysis were conducted using IBM SPSS 21.0 statistics. The results showed that 91% of targeted young children were using a smart device and 78% first used them before age 5. As for time of use hours, 43.9% used their smart device from 30 minutes to 1 hour on average. In addition, parent-child attachment and father's involvement in child rearing were found to be inversely correlated to young children's smart device overuse. The result of hierarchical regression analysis on parent factors influencing young children's smart device overuse behavior indicated that mothers' contact-seeking behavior to young children, mother's involvement in learning and instruction for children's effective use of a smart device at home had beneficial effects. This study analyzed parent factors that influenced young children's smart device overindulgence. In addition, the baseline data of this study will be utilized to develop programs for the prevention and therapy to solve the smart device overindulgence as well as to establish young children's guidelines for using a smart device.

Standardization Plan of Smart livestock Cattle Breeding Management device and Collected Information

  • Rho, Si-Young;Lee, Jae-Su;Yang, Pyoung-Woo;Baek, Jeong-Hyun;Lee, Hyun-dong
    • Journal of the Korea Society of Computer and Information
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    • v.23 no.9
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    • pp.107-112
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    • 2018
  • Smart livestock has been proposed as a solution to increase farmers' income and new recruitment of livestock farmers. In this paper, a standardization Plan of breeding management device and collected information for smart livestock cattle was proposed. l Sophisticatedly, basic information will be established for all six types of livestock breeding management device: military automatic feeder, calf automatic feeder, smart milk cooler, feed bin to be able to measure feed residue, smart scale, and biometric information collection device. The standardization, common use, and stabilization of major livestock management device and collected information were suggested to solve the problems caused by in existing breeding management device.

Mediating Effects of Self-Regulation on the Relationship between Childhood Smart Device Immersion Tendency and Pro-Social Behavior (유아의 스마트미디어 몰입경향성과 친사회적 행동의 관계에서 자기 조절력의 매개 효과)

  • Kim, Seo-Hee;Hwang, Sung-On
    • Family and Environment Research
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    • v.55 no.1
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    • pp.1-12
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    • 2017
  • This study examines the relationship among children's smart device immersion tendency, children's self-regulation, and pro-social behavior as well as investigates the mediating effect of self-regulation between children's smart device immersion tendency and pro-social behavior. Participants were composed of 263 4-year-old children attending kindergarten in Incheon and Gyeonggi province. Data were analyzed by means of Pearson's correlation coefficients in SPSS, the structural equation model and bootstrapping in AMOS. The results are as follows. First, there is a statistically meaningful relationship among children's smart device immersion tendency, self-regulation, and pro-social behavior. There is a negative correlation between children's smart device immersion tendency and children's self-regulation as well as pro-social behavior; however, there is positive relationship between children's self-regulation and pro-social behavior. Second, children's smart device immersion tendency had a direct effect on children's self-regulation. In addition, children's self-regulation indicated a direct effect on children's pro-social behavior. Third, children's self-regulation was found sufficient to mediate the relationship between children's smart device immersion tendency and pro-social behavior. The results indicate that the effort to increase children's self-regulation may decrease the negative effect toward children's pro-social behavior caused by smart device immersion tendencies.

Design and Development of a Monitoring System based on Smart Device for Service Robot Applications

  • Lee, Jun;Seo, Yong-Ho
    • International Journal of Internet, Broadcasting and Communication
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    • v.10 no.3
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    • pp.35-41
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    • 2018
  • Smart device has become an affordable main computing resource for robotic ap-plications in accordance with a fast growth of mobile internet environment. Since the computing power of smart device has been increased, smart device based ro-bot system attempts to replace traditional robot applications with laptop-based system. Methodologies for acquisition of remote sensory information and control of various types of robots using smart device have been proposed recently. In this paper, we propose a robot control system using a monitoring program and a communication protocol. The proposed system is a combination of an educa-tional programming oriented robot named EPOR-S. as small service robot plat-form and a smart device. Through a simulation study using image processing, the feasibility of combination of the proposed robot monitoring program and control system was verified.

Research on the HSE Application with Smart Device and Biometrics (스마트디바이스를 이용한 HSE 적용에 관한 연구)

  • Woo, Jong Hun
    • Korean Journal of Computational Design and Engineering
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    • v.19 no.2
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    • pp.157-168
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    • 2014
  • In this paper, HSE (Health and Safety Environments) research with smart device and biometrics is conducted for the worker's HSE enhancement in the manufacturing shop floor. Today, various kinds of smart devices are popularized extensively. In addition, the wearable type devices are being introduced such as google glass very recently. Smart device of werable type is exptected to bring great opportunity out in terms of HSE functionality. Smart devices of phone or tablet type are being used for on-line work between control center and manufacturing shop floor by virtue of wireless communication. However, those devices are not appropriate for detecting of worker's physical senses such as temperature and pulse. In this paper, we developed a glass type smart device and required funictions for HSE enhancement with the investigation of biometrics technology. Also, required sensors are investigated for the detecting of temperature, pulse and noxious gasses. Smart device of glass type has advantages in that most senses of personnel are gathered around faces, and also it's possible to detect neutral axis of body because the wearing location is fixed. We expect that the proposing HSE product of glass type smart device could contribute the enhancement of the HSE of manufacturing shop floor.

A 3D Parametric CAD System for Smart Devices (스마트 디바이스를 위한 3D 파라메트릭 CAD 시스템)

  • Kang, Yuna;Han, Soonhung
    • Korean Journal of Computational Design and Engineering
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    • v.19 no.2
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    • pp.191-201
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    • 2014
  • A 3D CAD system that can be used on a smart device is proposed. Smart devices are now a part of everyday life and also are widely being used in various industry domains. The proposed 3D CAD system would allow modeling in a rapid and intuitive manner on a smart device when an engineer makes a 3D model of a product while moving in an engineering site. There are several obstacles to develop a 3D CAD system on a smart device such as low computing power and the small screen of smart devices, imprecise touch inputs, and transfer problems of created 3D models between PCs and smart devices. The author discusses the system design of a 3D CAD system on a smart device. The selection of the modeling operations, the assignment of touch gestures to these operations, and the construction of a geometric kernel for creating both meshes and a procedural CAD model are introduced. The proposed CAD system has been implemented for validation by user tests and to demonstrate case studies using test examples. Using the proposed system, it is possible to produce a 3D editable model swiftly and simply in a smart device environment to reduce design time of engineers.

Security Core Technology Implementation for MTM Hardware-Based Smart Devices (MTM하드웨어 기반 스마트 단말 보안 핵심기술 구현)

  • Kim, Jeong Nyeo
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.26 no.6
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    • pp.1455-1459
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    • 2016
  • Recently, the frequency of dealing important information regarding financial services like paying through smart device or internet banking on smart device has been increasing. Also, with the development of smart device execution environment towards open software environment, it became easier for users to download and use random application software, and its security aspect appears to be weakening. This study will inspect features of hardware-based smart device security technology. Furthermore, this study will propose a realization method in MTM hardware-based secure smart device execution environment for application software runs that in smart device.

Implementation of Domain Separation-based Security Platform for Smart Device (안전한 스마트 단말을 위한 도메인 분리 기반 보안 플랫폼 구현)

  • Kim, Jeong Nyeo
    • Journal of Digital Convergence
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    • v.14 no.12
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    • pp.471-476
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    • 2016
  • Recently, important information related with smart work such as office and video conference are handled in smart device quite a lot compare with before. Also, execution environment of smart devices is getting developed as open software environment. It brought convenience to download and use any kind of application software. By that, security side of smart devices became vulnerable. This paper will discuss characteristics of smart device security technology based on virtualization that is a mobile device platform with isolated secure execution area based on TEE (Trusted Execution Environment). Also, this paper will suggest an implementation method about safe smart device security platform based on domain separation for application software which can be executed in smart devices. The domain separation based smart device security platform technology in this paper blocks unauthorized access and leakage of sensitive information in device. Also it will be the solution can block transmission and execution of malicious code in various area including variety of IoT devices in internet rather than just smart devices.