Patent ID: 8715011

Claim:
An audio jack for receiving an audio plug, which has a first audio channel connection portion, comprising: a connection hole having an opening; a switch element; a position detection portion disposed in the connection hole, wherein the position detection portion comprises a movable member, which is made of insulative material and movably disposed in the connection hole, and has a first distance to the opening, and wherein when the audio plug is inserted into the connection hole to a linking position, the first audio channel connection portion contacts the position detection portion, pushes the movable member of the position detection portion toward the switch element and then actuates the switch element for generating an electronic signal for confirming a full connection between the audio plug and the audio jack; and a first audio channel contact portion disposed in the connection hole, wherein the first audio channel contact portion has a second distance to the opening, which is smaller than the first distance, and wherein when the audio plug is inserted into the connection hole to the linking position, the first audio channel connection portion is electrically connected to the first audio channel contact portion.