TANGLE RESISTANT AUDIO CORD AND EARPHONES
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Accused Products
Abstract
An audio cord for personal listening audio devices such as earpieces, resistant to tangling and knotting. The audio cords are constructed using shape memory metal alloys and other alloys that allow the audio cords to recover to their original shape after being deflected.
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Citations
26 Claims
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1-14. -14. (canceled)
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15. An audio cord having a first end for coupling to an earpiece and a second end terminating in a plug, comprising:
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a) at least one electrical wire for powering an earpiece, extending from the first end of the audio cord to the second end, and coupled to a contact in the plug; b) a spring metal alloy member along a length of the cord; and c) an outer sheath enclosing the spring metal alloy member and the at least one electrical wire; such that the audio cord recovers to its original shape after being deflected. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification