Battery charging cradle and mobile electronic device
First Claim
1. A battery charging cradle and mobile electronic device, whereinthe battery charging cradle incorporates a primary coil which is connectable to an AC power source, andthe mobile electronic device includes a secondary coil which is operable to be electromagnetically coupled to the primary coil of the battery charging cradle, and further includes a rechargeable battery which is rechargeable by electric power which is induced to the secondary coil;
- wherein the rechargeable battery has a first flat surface and a second flat surface facing the first flat surface, each of the first flat surface and the second flat surface being rectangular;
wherein the battery charging cradle has a planar top plate on an upper side thereof, the mobile electronic device being detachably mountable on the planar top plate;
wherein the primary coil is incorporated in the battery charging cradle such that an AC magnetic flux is induced to a specific portion of the top plate;
wherein the mobile electronic device has a planar bottom plate to be placed on the top plate of the battery charging cradle, the secondary coil of the mobile electronic device being disposed inside the bottom plate;
wherein the secondary coil is a coreless planar coil formed with a wire material spirally wound in a planar manner, the coreless planar coil being provided on the first flat surface of the rechargeable battery so as to be parallel to the first flat surface of the rechargeable battery;
wherein a width of the secondary coil is larger than a thickness of the secondary coil, the width extending in a direction parallel to the first flat surface of the rechargeable battery and the thickness being orthogonal to the first flat surface of the rechargeable battery;
wherein the battery charging cradle has a positioning portion for arranging the mobile electronic device in a predetermined position, the predetermined position being such that the primary coil is electromagnetically coupled to the secondary coil, and AC power is supplied from the primary coil to the secondary coil, and thus the rechargeable battery incorporated in the mobile electronic device is charged.
1 Assignment
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Accused Products
Abstract
A battery charging cradle and mobile electronic device include a battery charging cradle incorporating a primary coil which induces an AC magnetic flux to a specific portion of a planar, top plate of the cradle, and a rechargeable battery incorporated inside a bottom plate and charged by electric power which is induced to a secondary coil being electromagnetically coupled to the primary coil. The battery charging cradle has a positioning portion, so that the mobile electronic device is placed in a predetermined position by means of the positioning portion, the primary coil is electromagnetically coupled to the secondary coil, and thus the rechargeable battery incorporated in the mobile electronic device is charged.
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Citations
14 Claims
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1. A battery charging cradle and mobile electronic device, wherein
the battery charging cradle incorporates a primary coil which is connectable to an AC power source, and the mobile electronic device includes a secondary coil which is operable to be electromagnetically coupled to the primary coil of the battery charging cradle, and further includes a rechargeable battery which is rechargeable by electric power which is induced to the secondary coil; -
wherein the rechargeable battery has a first flat surface and a second flat surface facing the first flat surface, each of the first flat surface and the second flat surface being rectangular; wherein the battery charging cradle has a planar top plate on an upper side thereof, the mobile electronic device being detachably mountable on the planar top plate; wherein the primary coil is incorporated in the battery charging cradle such that an AC magnetic flux is induced to a specific portion of the top plate; wherein the mobile electronic device has a planar bottom plate to be placed on the top plate of the battery charging cradle, the secondary coil of the mobile electronic device being disposed inside the bottom plate; wherein the secondary coil is a coreless planar coil formed with a wire material spirally wound in a planar manner, the coreless planar coil being provided on the first flat surface of the rechargeable battery so as to be parallel to the first flat surface of the rechargeable battery; wherein a width of the secondary coil is larger than a thickness of the secondary coil, the width extending in a direction parallel to the first flat surface of the rechargeable battery and the thickness being orthogonal to the first flat surface of the rechargeable battery; wherein the battery charging cradle has a positioning portion for arranging the mobile electronic device in a predetermined position, the predetermined position being such that the primary coil is electromagnetically coupled to the secondary coil, and AC power is supplied from the primary coil to the secondary coil, and thus the rechargeable battery incorporated in the mobile electronic device is charged. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A battery charging cradle and mobile electronic device, wherein
the battery charging cradle incorporates a primary coil which is connectable to an AC power source, and the mobile electronic device includes a secondary coil which is operable to be electromagnetically coupled to the primary coil of the battery charging cradle, and further includes a rechargeable battery which is rechargeable by electric power which is induced to the secondary coil; -
wherein the battery charging cradle has a planar top plate on an upper side thereof, the mobile electronic device being detachably mountable on the planar top plate; wherein the primary coil is incorporated in the battery charging cradle such that an AC magnetic flux is induced to a specific portion of the top plate; wherein the mobile electronic device has a planar bottom plate to be placed on the top plate of the battery charging cradle, the secondary coil of the mobile electronic device being disposed inside the bottom plate; wherein the secondary coil is a coreless planar coil formed with a wire material spirally wound in a planar manner; wherein the battery charging cradle has a positioning portion for arranging the mobile electronic device in a predetermined position, the predetermined position being such that the primary coil is electromagnetically coupled to the secondary coil, and AC power is supplied from the primary coil to the secondary coil, and thus the rechargeable battery incorporated in the mobile electronic device is charged; wherein the positioning portion of the battery charging cradle is a position sensor, and the position sensor detects and indicates a position for placement of the mobile electronic device on the battery charging cradle; and wherein the position sensor detects at least one of an electric current flowing through the primary coil, power consumption in the primary coil, a resonance frequency in the primary coil, and an impedance in the primary coil, so that the position of the mobile electronic device is detected by the position sensor.
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14. A battery charging cradle and mobile electronic device, wherein
the battery charging cradle incorporates a primary coil which is connectable to an AC power source, and the mobile electronic device includes a secondary coil which is operable to be electromagnetically coupled to the primary coil of the battery charging cradle, and further includes a rechargeable battery which is rechargeable by electric power which is induced to the secondary coil; -
wherein the rechargeable battery has a first flat surface and a second flat surface facing the first flat surface, each of the first flat surface and the second flat surface being rectangular; wherein the battery charging cradle has a planar top plate on an upper side thereof, the mobile electronic device being detachably mountable on the planar top plate; wherein the primary coil is incorporated in the battery charging cradle such that an AC magnetic flux is induced to a specific portion of the top plate; wherein the mobile electronic device has a planar bottom plate to be placed on the top plate of the battery charging cradle, the secondary coil of the mobile electronic device being disposed inside the bottom plate; wherein the secondary coil is a coreless planar coil formed with a wire material spirally wound in a planar manner, the coreless planar coil being provided on the first flat surface of the rechargeable battery so as to be parallel to the first flat surface of the rechargeable battery; wherein a width of the secondary coil is larger than a thickness of the secondary coil, the width extending in a direction parallel to the first flat surface of the rechargeable battery and the thickness being orthogonal to the first flat surface of the rechargeable battery; wherein the battery charging cradle has a positioning portion for arranging the mobile electronic device in a predetermined position, the predetermined position being such that the primary coil is electromagnetically coupled to the secondary coil, and AC power is supplied from the primary coil to the secondary coil so as to charge the rechargeable battery incorporated in the mobile electronic device; wherein the positioning portion of the battery charging cradle is a position sensor, the position sensor detecting a position for placement of the mobile electronic device, and when the position for placement of the mobile electronic device is out of alignment with a proper position for placement, an alarm is delivered by the position sensor to notify of a misalignment; and wherein the position sensor detects at least one of an electric current flowing through the primary coil, power consumption in the primary coil, a resonance frequency in the primary coil, and an impedance in the primary coil, so that the position of the mobile electronic device is detected by the position sensor.
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Specification