US Patent 11828662 Electronic device

A core body thermometer that includes a wiring substrate on which a power supply switch and electronic components are mounted. The power supply switch is housed so as to face a back surface of an upper exterior body in a space formed by the upper exterior body and a lower exterior body. Moreover, a lining member is formed in a thin plate shape and disposed on the back surface of the upper exterior body, and a buffer member is disposed between the wiring substrate and the lining member. The lining member has a through-hole in which the power supply switch is placed in an inner side in a thickness direction when viewed in a plan view, and has flexibility in an operation direction of the power supply switch).