An On-Film AMC Antenna Insert-Molded in Earbuds with Enhancement in In-Ear and In Situ Received-Signal Sensing. - Yejune Seo; Inyeol Moon; Junghyun Cho; Yejin Lee 007; Jiyeon Jang; Morimoto Shohei; Kurosaki Toshifumi; Sungtek Kahng (Sensors, 2022)