• Title, Summary, Keyword: smartphones

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The Effect of Using Smartphones on the Intention of Using Smartwatches - Focused on the Brand Extension - (스마트폰 사용이 스마트워치 사용의도에 미치는 영향 - 브랜드 확장의 관점 -)

  • Lim, Yangwhan
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.13 no.2
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    • pp.99-111
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    • 2017
  • Although smartwatches are different from smartphones in shape and carried method, they are also highly relevant to smartphones and have similar characteristics. This paper studied the impact of using smartphones on the intention to use smartwatches from the perspective of brand extension. The hypotheses were that the major factors of the attitude formed in the process of using smartphones affect the intention of using them and affect the trust of smartwatches. As a result of testing the hypotheses, trust in smartphonees affected trust in smartwatches. And the intention to use smartphones and the trust of smartwatches affected the intention to use smartwatches. However, the satisfaction, familiarity, and favorability of smartphones did not affect the trust of smartwatches. Smartwatches were associated with smartphones but they had independent characters. Based on the results of the study, the trust of smartwatches is very important, so the corporate managers need to find ways to improve their trust. And they should find strategies to improve the value of the product by finding out the factors that can increase the intention of using smartwatches.

The Mediating Roles of Preschoolers' Self-regulation in the Relationship Between Maternal Parenting Behaviors and Preschoolers' Excessive Immersion in Smartphones (어머니의 양육행동과 유아의 스마트폰 과몰입 간의 관계에서 유아의 자기조절능력의 매개적 역할)

  • Park, Bokyung;Park, Nam-Shim
    • Korean Journal of Childcare and Education
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    • v.14 no.5
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    • pp.117-136
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    • 2018
  • Objective: This study examined the mediating roles of preschoolers' self-regulation in the relationship between maternal parenting behaviors and preschoolers' excessive immersion in smartphones. Methods: A total of 268 mothers of preschoolers responded to questionnaires on three research variables. Data were analyzed by correlation analyses and regression analyses. Results: First, maternal warmth/encouragement was negatively related to preschoolers' excessive immersion in smartphones, while maternal overprotectiveness/permission and rejection/neglect were positively related to preschoolers' excessive immersion in smartphones. Second, maternal warmth/encouragement and limit setting were positively linked to preschoolers' self-regulation, but maternal overprotectiveness/permission and rejection/neglect were negatively linked to preschoolers' self-regulation. Third, preschoolers' self-regulation was negatively associated with their excessive immersion in smartphones. Finally, preschoolers' self-regulation fully mediated the relationship between maternal warmth/encouragement and preschoolers' excessive immersion in smartphones, and preschoolers' self-regulation partially mediated the relationship between maternal overprotectiveness/permission, rejection/neglect and preschoolers' excessive immersion in smartphones. Conclusion/Implications: The results of this study suggest that positive maternal parenting behaviors and preschoolers' effective self-regulation are important in order to decrease preschoolers' smartphone overuse. These findings provide empirical evidence to develop programs for prevention and intervention of preschoolers' smartphone addiction.

Correlation between Husband and Wife Smartphone Use Time (남편과 부인의 스마트폰 사용시간의 상관관계)

  • Chin, Meejung;Kwon, Soonbum;Bae, Hanjin
    • Family and Environment Research
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    • v.57 no.4
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    • pp.473-483
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    • 2019
  • Smartphones are representative multimedia devices capable of various functions that have emerged due to the development of information communication technologies (ICTs). The popularization of smartphones has changed the way ICTs media is used; consequnetly, it is expected that smartphones will influence family life by changing family communications and time use. However, there is a gap between the empirical research on ICTs media and family. This study explores any correlations in the amount of time spent on smartphones between a husband and wife. We marged 1,444 married couples' media diaries from the 8th Korean Media Panel Survey (2017) to analyze the average amount of time spent on communications and leisure shopping using smartphones. The results show that husbands' time use for communication has increased similarly to wives' time use. In addition, husbands' time use for leisure and shopping was positively related to wives' time spent on communications and leisure shopping. The findings show that the use of smartphones is interrelated within the family and suggested that a family systems approach is needed in ICTs media research. Future studies will provide a deeper understanding of the impact of ICTs media and how families are using a variety of ICTs media devices such as smartphones.

Research on pre-service teachers' perceptions of smartphones for educational use and suggestions for school policy (스마트폰의 교육적 활용에 대한 예비교사의 인식 및 학교정책 개선방안 연구)

  • Lim, Keol;Lee, Dong Yub
    • Journal of Digital Convergence
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    • v.10 no.9
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    • pp.47-57
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    • 2012
  • This study was conducted to investigate the pre-service teacher's perception of the possibility of using smartphones in the classroom, moreover, to confirm the policy related to using smartphones in schools. For the objectives, this study, firstly, investigated the pre-service teacher's awareness of having cellphones in the classroom, secondly, analyzed the pre-service teacher's opinion of using smartphones for educational objectives and elements for those investigated objectives, finally, investigated the school policy for educational objectives of using smartphones. The participants of this study were 146 pre-service teachers among three universities in Seoul. The results showed that the pre-service teachers opposed using cellphones in the classroom. Next, it was found that most of them had smartphones and they knew how to use them effectively. For the aspects of educational use of smartphones, they recognized that smartphones could be used as a smart educational tool, an efficient teaching and learning tool, and an assistant tool for teaching and learning. In order to use smartphones for the investigated educational tools, the learning contents, the ways of teaching and learning, and the technical support of the school should be prepared. Finally, the pre-service teachers thought that the school policy should be changed in order to use smartphones for educational objectives, and the school policy with regard to using smartphones in the classroom should be decided by the teachers. Most of all, for the educational use of smartphones, the pre-service teachers believed that the change of the students' perception was the most significant.

Study on Communication Interface of Multiple Smartphones for Unit Control in a PC (PC에서 유닛 제어를 위한 다중 스마트폰의 통신 인터페이스 연구)

  • Jung, Hahmin;Kim, Dong Hun
    • Journal of Institute of Control, Robotics and Systems
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    • v.19 no.6
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    • pp.520-526
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    • 2013
  • This study presents the unit control of a PC (Personal Computer) program using multiple smartphones based on ad hoc communication. A design of the data packet that multiple smartphones send to a computer, and a framework that manages and controls the unit in a computer after analyzing the data packet, are proposed. As a result, multiple users are able to control their own units using their smartphones while seeing the monitor connected to a computer. In other words, multiple users can share the same game in a computer or control their units embedded in a system using their smartphones. An experimental result shows that a racing game in a PC can be realized by the proposed communication interface, where four iPhones are used to control their units in a computer. Thus, the proposed framework can be effectively used for unit control in a PC using multiple smartphones.

Measurements of pedestrian's ioad using smartphones

  • Pan, Ziye;Chen, Jun
    • Structural Engineering and Mechanics
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    • v.63 no.6
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    • pp.771-777
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    • 2017
  • The applications of smartphones or other portable smart devices have dramatically changed people's lifestyle. Researchers have been investigating useage of smartphones for structural health monitoring, earthquake monitoring, vibration measurement and human posture recognition. Their results indicate a great potential of smartphones for measuring pedestrian-induced loads like walking, jumping and bouncing. Smartphone can catch the device's motion trail, which provides with a new method for pedestrain load measurement. Therefore, this study carried out a series of experiments to verify the application of the smartphone for measuring human-induced load. Shaking table tests were first conducted in order to compare the smartphones' measurements with the real input signals in both time and frequency domains. It is found that selected smartphones have a satisfied accuracy when measuring harmonic signals of low frequencies. Then, motion capture technology in conjunction with force plates were adopted in the second-stage experiment. The smartphone is used to record the acceleration of center-of-mass of a person. The human-induced loads are then reconstructed by a biomechanical model. Experimental results demonstrate that the loads measured by smartphone are good for bouncing and jumping, and reasonable for walking.

Experimental validation of smartphones for measuring human-induced loads

  • Chen, Jun;Tan, Huan;Pan, Ziye
    • Smart Structures and Systems
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    • v.18 no.3
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    • pp.625-642
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    • 2016
  • The rapid technology developments in smartphones have created a significant opportunity for their use in structural live load measurements. This paper presents extensive experiments conducted in two stages to investigate this opportunity. Shaking table tests were carried out in the first stage using selected popular smartphones to measure the sinusoidal waves of various frequencies, the sinusoidal sweeping, and earthquake waves. Comparison between smartphone measurements and real inputs showed that the smartphones used in this study gave reliable measurements for harmonic waves in both time and frequency domains. For complex waves, smartphone measurements should be used with caution. In the second stage, three-dimensional motion capture technology was employed to explore the capacity of smartphones for measuring the movement of individuals in walking, bouncing and jumping activities. In these tests, reflective markers were attached to the test subject. The markers' trajectories were recorded by the motion capture system and were taken as references. The smartphone measurements agreed well with the references when the phone was properly fixed. Encouraged by these experimental validation results, smartphones were attached to moving participants of this study. The phones measured the acceleration near the center-of-mass of his or her body. The human-induced loads were then reconstructed by the acceleration measurements in conjunction with a biomechanical model. Satisfactory agreement between the reconstructed forces and that measured by a force plate was observed in several instances, clearly demonstrating the capability of smartphones to accurately assist in obtaining human-induced load measurements.

Symbol Characters Allocation of a QWERTY Type Keyboard Design for Smartphones

  • Kim, Kuk
    • Industrial Engineering and Management Systems
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    • v.13 no.4
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    • pp.408-413
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    • 2014
  • The QWERTY type keyboard is a classical device that has been used for computers for a long time. The keyboard design of mobile devices like smartphones is an important issue to consider because of the limited space on the touch screen. This paper presents a design for symbol allocation on the QWERTY type soft keyboard. A 27-cell model, including the full stop (.), is proposed in this paper. A QWERTY type keyboard for smartphones is mainly known for its spatial compatibility, whereas the characters of the ANSI keyboard are allocated to the shoulder positions for functional auxiliary input methods such as the long pressing method.

Analysis of Factors of Farmers' Use of Information Technology Equipment When Selling Agricultural Products (농산물 판매시 농가들의 정보화 기기 이용 선택 결정요인 분석)

  • Yi, Hyangmi;Goh, Jongtae
    • Journal of Korean Society of Rural Planning
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    • v.24 no.4
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    • pp.121-134
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    • 2018
  • By using the raw data of the 2015 Agriculture, Forestry and Fishery Consensus that surveyed the farmers engaged in agriculture, forestry and fishery in 2015, this study investigated the effects of the characteristics of the farms in Gangwon-do on the utilization of the digital devices, which was classified into computers usage only, smartphones usage only, both computers and smartphones usage, and no digital device usage. This study used the Multinomial Logit Model for the above purpose. Moreover, the IIA(Independence of Irrelevant Alternatives) method of the Multinomial Logit Model was analyzed to be suitable. Upon the result of the analysis, when all the other variables were constant in the average, the probability of choosing both computers and smartphones increased by 0.02% as the family member living together with the farm owner increased by 1 person. In addition, the farms with agricultural machineries have 0.03% increased probability of using smartphones to sell their agricultural products, when compared with the farms without agricultural machinery. Moreover, for the farms with high sales profit of the agricultural products, the probability of using computers and the probability of using smartphones increased by 0.04% and 0.01%, respectively, and the probability of using both computers and smartphones increased by 0.02%. On the other hand, for the farms affiliated with the agricultural organization, the probability of using both computers and smartphones increased by 0.17%, and the probability of using only smartphones and the probability of using only computers increased by 0.16% and 0.15%, respectively. In case of selling to the National Agricultural Cooperative Federation(NACF), the probability of using smartphones increased by 0.11% if all other variables were to be constant in the average. In particular, the farms participating in the agriculture-related industries have 1.09% increased probability of using computers, have 0.92% increased probability of using smartphones, and 0.85% increased probability of using both computers and smartphones. Therefore, the implications suggested based on the results of the analysis are as follows. First, the farms' choices of the digital devices are made independently. Hence, the future agricultural industry business platform establishment should necessarily consider the types of farms' choices of the digital devices in the future. Second, since the usage of digital devices has a generally positive influence on the farm household income, digital education to improve farmers' ability to use the digital devices should be urgently provided in order to improve the farm household income in the farms in Gangwon-do. Third, because the digital devices used to sell agricultural products differ depending on the age of the farm owner, it would be desirable to target the younger generation of the farm owners rather than establishing the agricultural industry business platform for the farms in the aged farm villages. Fourth, it would be advisable for the future agricultural business platform to consider the characteristics of agricultural products sales source.

A Research on the Analysis of Inhibiting Factors In Using Smartphones and the Measure of Promoting the Use of Smartphones (스마트폰 이용 저해요인 분석과 이용활성화 방안 연구)

  • Lee, Sang-Min;Han, Moon-Seung;Park, Jung-Sun
    • Journal of the Korea Safety Management & Science
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    • v.13 no.4
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    • pp.237-245
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    • 2011
  • The number of smartphone users in Korea is reaching around 20 million. We perform a research on the actual conditions, complaints and the types of losses, damages or injuries from smartphone users in Korea. Apart form that, we conduct an investigation on the current problems in promoting the use of smartphones. We would like to suggest some points for promoting global uses of smartphones through the analysis of and the comparison with the abroad cases, which precursed the wide-spread of smartphones in Korea.