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Technology for the 4^th Industrial Revolution, including ICT, IoT, and big data, has been combined with various other technologies. As an example, these technologies combined with fire protection technology can help protect lives and minimize property damage due to fires. In this study, the patents for fire protection technology using IoT and ICT technologies were investigated from 1999 to 2018 in Korea, the United States, Japan, and Europe. The technology patents were analyzed for international patent status and technological competitiveness by country. Although there was a slow increase in the overall number of patents for the fire protection technology from 1999 to 2014, the number has increased rapidly since 2015. The analysis in this study was intended to afford basic data on existing research to understand the trend and impact of the incorporation of the technology for the 4^th Industrial Revolution into extant technology.

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To develop a walking aid tool that can help the visually impaired to evacuate in the event of fire, a questionnaire was devised and 100 visually impaired people were surveyed. The questionnaire was divided into four categories: fire safety education and training, self-evacuation in the event of fire, direction checking method, and applicability of an auxiliary evacuation tool. The questionnaire was conducted through a web survey and was followed by an in-depth interview with the visually impaired. The questionnaire results indicated that the respondents prefer wristband-type and conventional cane-type aid tools, which are convenient to wear and render both hands free, as evacuation walking aid tools as well as voice and touch as information sharing methods.