Abstract: An earphone antenna is provided that can eliminate high-frequency adverse effects on a wireless device transmitted from a human body via an earphone. The earphone antenna can ensure receiver sensitivity required for a signal in a wide frequency range without any sensitivity control operation and can transmit audio signals from a television receiver to an earphone unit. Two pairs of audio/high-frequency signal lines (8La), (8Lb), (8Ra), and (8Rb) corresponding to the left and right earphone units (12L) and (12R) are connected to a balun (4). Terminals of the two pairs of audio/high-frequency signal lines remote from the balun are connected to the left and right earphone units (12L) and (12R) via loading coils (LLa), (LLb), (LRa), and (LRb). The Terminals of the two pairs of audio/high-frequency signal lines remote from the balun are further connected to each other by a pair of conductive lines (20a) and (20b).

Abstract: An earphone antenna is provided that can eliminate high-frequency adverse effects on a wireless device transmitted from a human body via an earphone. The earphone antenna can ensure receiver sensitivity required for a signal in a wide frequency range without any sensitivity control operation and can transmit audio signals from a television receiver to an earphone unit. Two pairs of audio/high-frequency signal lines (8La), (8Lb), (8Ra), and (8Rb) corresponding to the left and right earphone units (12L) and (12R) are connected to a balun (4). Terminals of the two pairs of audio/high-frequency signal lines remote from the balun are connected to the left and right earphone units (12L) and (12R) via loading coils (LLa), (LLb), (LRa), and (LRb). The Terminals of the two pairs of audio/high-frequency signal lines remote from the balun are further connected to each other by a pair of conductive lines (20a) and (20b).

Abstract: An earphone antenna is provided in which two pairs of audio/high-frequency signal lines respectively corresponding to left and right earphone units are connected to a balun. The left and right earphone units are connected to terminals of the two pairs of audio/high-frequency signal lines remote from the balun via loading coils, respectively. The terminals of the two pairs of audio/high-frequency signal lines remote from the balun are further connected to each other by a pair of conductive lines via audio blocking means. The earphone antenna having such a structure can eliminate high-frequency adverse effects on a wireless device transmitted from a human body via an earphone.

Abstract: An earphone antenna is provided in which two pairs of audio/high-frequency signal lines respectively corresponding to left and right earphone units are connected to a balun. The left and right earphone units are connected to terminals of the two pairs of audio/high-frequency signal lines remote from the balun via loading coils, respectively. The terminals of the two pairs of audio/high-frequency signal lines remote from the balun are further connected to each other by a pair of conductive lines via audio blocking means. The earphone antenna having such a structure can eliminate high-frequency adverse effects on a wireless device transmitted from a human body via an earphone.

Abstract: An earphone antenna in which a balun is connected to one side and the other side having an audio/high-frequency dual-function signal connecting the earphone unit via a loading coil and wireless equipment connected to the balun, the loading coil selecting low impedance for fundamental frequency and selecting to obtain high impedance for higher frequencies, in order to integrate earphone and antenna.

Abstract: An earphone antenna in which a balun is connected to one side and the other side having an audio/high-frequency dual-function signal connecting the earphone unit via a loading coil and wireless equipment connected to the balun, the loading coil selecting low impedance for fundamental frequency and selecting to obtain high impedance for higher frequencies, in order to integrate earphone and antenna.

Abstract: An antenna apparatus comprises a substrate, a chip antenna mounted on the substrate, and a ground pattern disposed on the substrate, at least a portion on the side of a power supply terminal of an antenna conductor in the chip antenna being overlapped with the ground pattern.

Abstract: A small antenna comprises a first meander part formed in such a manner that a meander conductor travels to a first direction and having a first end and a second end, and a second meander part formed in such a manner that a meander conductor travels to a second direction different from the first direction and having a first end connected with the second end of the first meander part and a second end.

Abstract: A chip antenna comprises an antenna conductor, and a dielectric chip which stacks on a portion of the antenna conductor, in which a conductor exposed portion of the antenna conductor which is not overlapped on the dielectric chip is bent along the surface of the dielectric chip.

Abstract: An antenna apparatus comprises a substrate, a chip antenna mounted on the substrate, and a ground pattern disposed on the substrate, at least a portion on the side of a power supply terminal of an antenna conductor in the chip antenna being overlapped with the ground pattern.

Abstract: A small antenna comprises a first meander part formed in such a manner that a meander conductor travels to a first direction and having a first end and a second end, and a second meander part formed in such a manner that a meander conductor travels to a second direction different from the first direction and having a first end connected with the second end of the first meander part and a second end.

Abstract: A chip antenna comprises an antenna conductor, and a dielectric chip which stacks on a portion of the antenna conductor, in which a conductor exposed portion of the antenna conductor which is not overlapped on the dielectric chip is bent along the surface of the dielectric chip.