Inductive coupling for battery sharing and multi-function inductive antenna
First Claim
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1. A mobile device comprising:
- a housing;
an antenna contained and/or supported by the housing and including a plurality of loops;
a power-receiving circuit contained by the housing, said power-receiving circuit selectively connectable to the antenna;
a power-transmitting circuit contained in the housing, said power-transmitting circuit selectively connectable to the antenna;
a short-range communications circuit contained in the housing and selectively connectable to the antenna, the short-range communications circuit for sending and/or receiving data communications signals via the antenna; and
switching circuitry coupled to the antenna, the power-receiving circuit, the power-transmitting circuit and the short-range communications circuit such that;
when the power-receiving circuit is connected to the antenna, the power-receiving circuit is effectively coupled to a first number of said loops of the antenna;
when the power-transmitting circuit is connected to the antenna, the power-transmitting circuit is effectively coupled to a second number of said loops of the antenna; and
when the short-range communications circuit is connected to the antenna, the short-range communications circuit is effectively coupled to a third number of said loops of the antenna;
said first, second and third numbers of antenna loops not all being equal to each other.
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Abstract
A mobile device includes a housing and an antenna. The mobile device further includes a power-receiving circuit, and power-transmitting circuit, and a short-range communications circuit. The antenna performs multiple functions in that it is shared by the power-receiving circuit, the power-transmitting circuit and the short-range communications circuit. Each of the three circuits is selectively connectable to the antenna. The mobile device is configured to participate in a mobile-to-mobile battery-charge-sharing operation via inductive coupling from mobile device to mobile device.
31 Citations
3 Claims
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1. A mobile device comprising:
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a housing; an antenna contained and/or supported by the housing and including a plurality of loops; a power-receiving circuit contained by the housing, said power-receiving circuit selectively connectable to the antenna; a power-transmitting circuit contained in the housing, said power-transmitting circuit selectively connectable to the antenna; a short-range communications circuit contained in the housing and selectively connectable to the antenna, the short-range communications circuit for sending and/or receiving data communications signals via the antenna; and switching circuitry coupled to the antenna, the power-receiving circuit, the power-transmitting circuit and the short-range communications circuit such that; when the power-receiving circuit is connected to the antenna, the power-receiving circuit is effectively coupled to a first number of said loops of the antenna; when the power-transmitting circuit is connected to the antenna, the power-transmitting circuit is effectively coupled to a second number of said loops of the antenna; and when the short-range communications circuit is connected to the antenna, the short-range communications circuit is effectively coupled to a third number of said loops of the antenna; said first, second and third numbers of antenna loops not all being equal to each other. - View Dependent Claims (2, 3)
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Specification