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| 講演名 | 2018-11-22 15:10 ［ポスター講演］Design, Analysis and Implementation of Smartwatch Strap Wireless Power Transfer System using Flexible Coil and Shielding Materials ○Seungtaek Jeong・Seongsoo Lee・Seokwoo Hong・Boogyo Sim・Subin Kim・Shinyoung Park・Joungho Kim（KAIST）  EMCJ2018-83 |
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| 抄録 | （和） | In this paper, we proposed a smartwatch strap wireless power transfer (WPT) scheme using flexible coils and shielding materials. We analyzed the flexible coils with a bending radius to transfer power through a curved coil structure. We analyzed the flexible coils in a frequency domain using Z-parameters to see any changes in impedance of the coils with the bending radius. Finally, we implemented a smartwatch strap WPT system. The implemented system achieved overall power transfer efficiency of 30% and electromagnetic field strength less than 270 mG 1 cm away from the system. |
| （英） | In this paper, we proposed a smartwatch strap wireless power transfer (WPT) scheme using flexible coils and shielding materials. We analyzed the flexible coils with a bending radius to transfer power through a curved coil structure. We analyzed the flexible coils in a frequency domain using Z-parameters to see any changes in impedance of the coils with the bending radius. Finally, we implemented a smartwatch strap WPT system. The implemented system achieved overall power transfer efficiency of 30% and electromagnetic field strength less than 270 mG 1 cm away from the system. | |
| キーワード | （和） | Electromagnetic fields / Flexible PCB coil modeling / Magnetic shielding material / Smartwatch strap / Wireless power transfer / / / |
| （英） | Electromagnetic fields / Flexible PCB coil modeling / Magnetic shielding material / Smartwatch strap / Wireless power transfer / / / | |
| 文献情報 | 信学技報, vol. 118, no. 317, EMCJ2018-83, pp. 69-69, 2018年11月. | |
| 資料番号 | EMCJ2018-83 | |
| 発行日 | 2018-11-15 (EMCJ) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| 著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します．(許諾番号：10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| PDFダウンロード | EMCJ2018-83 |
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