Moving Object, Wireless Power Feeding System, and Wireless Power Feeding Method
First Claim
1. A moving object comprising:
- an antenna circuit configured to generate a first electric signal and a second electric signal from a first radio wave and a second radio wave sequentially transmitted from a power feeding device, respectively;
a signal processing circuit configured to extract data on a positional relationship between the antenna circuit and the power feeding device, using the first electric signal;
a secondary battery configured to store electric energy using the second electric signal; and
an electric motor configured to receive the electric energy from the secondary battery.
1 Assignment
0 Petitions
Accused Products
Abstract
An object is to provide a moving object structure capable of reducing power loss caused when power is supplied from a power feeding device to a moving object by wireless communication. Another object is to provide a moving object structure capable of reducing the strength of a radio wave radiated to the surroundings. Before power is supplied to a moving object, a radio wave for alignment of antennas is output from a power feeding device. That is, radio waves are output from a power feeding device in two stages. In a first stage, a radio wave is output to align positions of antennas of the power feeding device and the moving object. In a second stage, a radio wave is output to supply power from the power feeding device to the moving object.
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Citations
31 Claims
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1. A moving object comprising:
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an antenna circuit configured to generate a first electric signal and a second electric signal from a first radio wave and a second radio wave sequentially transmitted from a power feeding device, respectively; a signal processing circuit configured to extract data on a positional relationship between the antenna circuit and the power feeding device, using the first electric signal; a secondary battery configured to store electric energy using the second electric signal; and an electric motor configured to receive the electric energy from the secondary battery. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A moving object comprising:
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an antenna circuit configured to generate a first electric signal and a second electric signal from a first radio wave and a second radio wave sequentially transmitted from a power feeding device, respectively; a signal processing circuit configured to extract data on a positional relationship between the antenna circuit and the power feeding device, using the first electric signal, the signal processing circuit being configured to generate a third electric signal for instructing the power feeding device to transmit the second radio wave, in accordance with the data; a secondary battery configured to store electric energy using the second electric signal; and an electric motor configured to receive the electric energy from the secondary battery, wherein the antenna circuit is configured to generate a third radio wave from the third electric signal. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A wireless power feeding system comprising:
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a power feeding device including a first antenna circuit; and a moving object, wherein the moving object includes; a second antenna circuit configured to generate a first electric signal and a second electric signal from a first radio wave and a second radio wave sequentially transmitted from the first antenna circuit, respectively; a signal processing circuit configured to extract data on a positional relationship between the first antenna circuit and the second antenna circuit, using the first electric signal; a secondary battery configured to store electric energy using the second electric signal; and an electric motor configured to receive the electric energy from the secondary battery. - View Dependent Claims (14)
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15. A wireless power feeding system comprising:
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a power feeding device including a first antenna circuit; and a moving object, wherein the moving object includes; a second antenna circuit configured to generate a first electric signal and a second electric signal from a first radio wave and a second radio wave sequentially transmitted from the first antenna circuit, respectively; a signal processing circuit configured to extract data on a positional relationship between the first antenna circuit and the second antenna circuit using the first electric signal, the signal processing circuit being configured to generate a third electric signal for instructing the power feeding device to transmit the second radio wave, in accordance with the data; a secondary battery configured to store electric energy using the second electric signal; and an electric motor configured to receive the electric energy from the secondary battery, and wherein the second antenna circuit is configured to generate a third radio wave from the third electric signal. - View Dependent Claims (16)
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17. A wireless power feeding method comprising:
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converting a first radio wave transmitted from a power feeding device into an electric signal in a moving object; extracting data on a positional relationship between an antenna circuit of the power feeding device and an antenna circuit of the moving object, from the electric signal; transmitting a second radio wave from the power feeding device after modifying the positional relationship based on the data; and charging a secondary battery of the moving object using the second radio wave. - View Dependent Claims (18, 19, 20, 21)
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22. A wireless power feeding method comprising:
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converting a first radio wave transmitted from a power feeding device into an electric signal in a moving object; extracting data on a positional relationship between an antenna circuit of the power feeding device and an antenna circuit of the moving object, from the electric signal; transmitting a second radio wave from the power feeding device after modifying the positional relationship by changing position or direction of the moving object based on the data; and charging a secondary battery of the moving object using the second radio wave. - View Dependent Claims (23, 24, 25, 26)
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27. A wireless power feeding method comprising:
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converting a first radio wave transmitted from a power feeding device into an electric signal in a moving object; extracting data on a positional relationship between an antenna circuit of the power feeding device and an antenna circuit of the moving object, from the electric signal; transmitting a second radio wave from the power feeding device after modifying the positional relationship by changing position or direction of the power feeding device based on the data; and charging a secondary battery of the moving object using the second radio wave. - View Dependent Claims (28, 29, 30, 31)
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Specification