Patent ID: 7356362
Filing Date: 2008-04-08
Classification: H04M,H04R

Abstract:
1. An headset structure comprising a first earpieces, a second earpiece, and a cable connecting said first and second earpieces; wherein said first earpiece comprises an first outer cover, a first ear loop, an audio source member, a first seat, a first speaker, and a first inner cover; wherein said first outer cover is locked to said first seat, said first ear loop is arranged to curve along the circular rim of said first outer cover, at least a control button and a jack for battery charging are configured on the circular rim of said first outer cover; said audio source member and a chargeable battery driving said audio source member are both housed inside the space formed by said first seat and said first outer cover, said chargeable battery is charged by an external power source via an appropriate cable and said jack, said audio source member is connected to said first speaker via a first signal wire threading through said first seat, said first signal wire is connected to a second signal wire of said cable to so as to deliver audio signal to said second earpiece; said first seat has a plurality of openings on the inner side allowing said first signal wire to pass through, said first seat has a plurality of tenons extending out of the circular rim of said first seat for locking into a plurality of corresponding grooves of said first inner cover; said first speaker is housed inside the space formed by said first seat and said first inner cover, and connected to said audio source member via said first signal wire; and said first inner cover has a grille on the inner side; said first inner cover has a plurality of grooves configured along the circular rim of said first inner cover for locking the corresponding said tenons of said first seat; said second earpieces has the same outlook as said first earpiece and comprises a second outer cover, a second ear loop, a patching cover, a swirled spring, a pad, a winder, a second seat, a positioning ball, a second speaker, and a second inner cover; wherein said second outer cover is locked to said second seat, said second ear loop is arranged to curve along the circular rim of said second outer cover; said patching cover seals said swirled spring inside an upper body of said winder; said swirled spring is positioned inside the hollow space of said outer body of said winder and is interposed between said pad and said patching cover, a first end of said swirled spring is fixedly attached to a groove configured on an axle in the center of said second seat, a second end of said swirled spring is fixedly locked to a groove on the inside wall of said outer body; said winder comprises an outer body and an inner body, each having a cable tray arranged along the rim of said outer body and said inner body, said winder has an axial hole allowing said axle of said second seat to penetrate through, the inside wall of said upper body has a groove for attaching an end of said swirled spring and a through hole allowing said cable to pass through from said outer cable tray to said inner cable tray, said winder has a ball alley configured on the inner side of said inner body; said seat has an axle to thread said winder, said pad, and said swirled spring together and join to said patching cover, said seat has a positioning track arranged in a radius direction on the outer side of said second seat, said second seat has a plurality of openings on the inner side allowing said second signal wire of said cable to pass through, said second seat has a plurality of tenons extending out of the circular rim of said second seat for locking into a plurality of corresponding grooves of said second inner cover; said positioning ball is positioned inside and slides along said positioning track caused by said ball alley when said winder is rotated, said positioning ball and said ball alley and said positioning track jointly form a length control mechanism for said cable; said second speaker is housed inside the space formed by said second seat and said second inner cover, and connected to said audio source member via said second signal wire of said cable; and said second inner cover has a grille on the inner side; said second inner cover has a plurality of grooves configured along the circular rim of said second inner cover for locking said corresponding tenons of said second seat; and said cable connects said first and said second earpieces, said cable has a second signal wire inside, said cable inside said second earpiece is wound around said outer cable tray of said outer body of said winder in a first direction and, via said through hole of said outer body, wound around said inner cable tray of said inner body of said winder in a second direction opposite to said first direction.