Patent ID: 7292705
Filing Date: 2007-11-06
Classification: H01Q

Abstract:
1. An antenna device integrated with an earphone for generating sound from an ear receiver, said antenna device connected to a wireless equipment through a connector to transmit an audio signal, applied from said wireless equipment to said connector, through an earphone signal line, said antenna device comprising: an antenna element lying between said ear receiver and an intermediate position of an earphone signal line for transmitting the audio signal from said connector to said ear receiver, said antenna element being a shield line of a first coaxial cable that has said earphone signal line as a core line; a connection unit disposed at said intermediate position and including a connection line that is connected to said shield line of said first coaxial cable and extracting a signal received by said antenna element; and a second coaxial line for transmitting the signal received by said antenna element and extracted by said connection unit to said connector through a core line of said second coaxial line.