Electronic unit and feed system
First Claim
Patent Images
1. An electronic unit comprising:
- power receiving circuitry configured to receive electric power fed from a feed unit by using a magnetic field;
control circuitry configured to perform, when a receiving current supplied from the power receiving circuitry is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more; and
current increasing circuitry including one or a plurality of dummy loads,wherein the control circuitry performs the current increasing control by utilizing one or more of the dummy loads.
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Abstract
An electronic unit includes: a power receiving section configured to receive electric power fed from a feed unit by using a magnetic field; and a control section configured to perform, when a receiving current supplied from the power receiving section is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more.
8 Citations
21 Claims
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1. An electronic unit comprising:
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power receiving circuitry configured to receive electric power fed from a feed unit by using a magnetic field; control circuitry configured to perform, when a receiving current supplied from the power receiving circuitry is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more; and current increasing circuitry including one or a plurality of dummy loads, wherein the control circuitry performs the current increasing control by utilizing one or more of the dummy loads. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An electronic unit comprising:
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power receiving circuitry configured to receive electric power fed from a feed unit by using a magnetic field; control circuitry configured to perform, when a receiving current supplied from the power receiving circuitry is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more; and a current detection circuitry configured to detect the receiving current, wherein the control circuitry performs the current increasing control, by using the receiving current detected by the current detection circuitry. - View Dependent Claims (18)
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19. A feed system provided with one or a plurality of electronic units and a feed unit configured to feed the electronic units by using a magnetic field, each of the electronic units comprising:
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power receiving circuitry configured to receive electric power fed from the feed unit; control circuitry configured to perform, when a receiving current supplied from the power receiving circuitry is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more; and current increasing circuitry including one or a plurality of dummy loads, wherein the control circuitry performs the current increasing control by utilizing one or more of the dummy loads.
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20. An electronic unit comprising:
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a power receiving section configured to receive electric power fed from a feed unit by using a magnetic field; a control section configured to perform, when a receiving current supplied from the power receiving section is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more; and a current increasing section including one or a plurality of dummy loads, wherein the control section performs the current increasing control by utilizing one or more of the dummy loads.
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21. An apparatus comprising:
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power receiving circuitry including a coil, the power receiving circuity being configured to receive electric power fed from a feed unit by using a magnetic field; a memory; and a controller in communication with the memory and configured to perform, when a receiving current supplied from the power receiving circuitry is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more, wherein the controller performs the current increasing control by utilizing one or more of a plurality of dummy loads.
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Specification