EARPHONE JACK STRUCTURE AND EARPHONE JACK CONFIGURATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a technology which enables a substrate to hold an earphone plug thereby achieving further thickness reduction of a terminal device.SOLUTION: An earphone jack structure of this invention includes: a substrate where contacts are arranged at positions which allow the contacts to respectively contact with multiple electrodes of an earphone plug when the earphone plug is inserted; and a housing where a substantially semicircular earphone plug insertion port upper part is formed so that the earphone plug can be inserted thereinto, the housing having a plug holding part holding the earphone plug when the earphone plug is inserted.