Portable terminal charging apparatus and automobile having portable terminal charging apparatus mounted therein
First Claim
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1. A portable terminal charging apparatus comprising:
- a support plate whose front surface side is used as a portable terminal placement portion;
a charging coil that charges a portable terminal placed on the portable terminal placement portion;
a controller that is connected to the charging coil; and
a memory that is connected to the controller,wherein the charging coil is provided with a first detection coil, and a second detection coil disposed inward of the first detection coil and having a smaller diameter than a diameter of the first detection coil, and the first and second detection coils are connected to the controller, andwherein, if a ratio (V2/V1) of a second voltage (V2) detected by the second detection coil to a first voltage (V1) detected by the first detection coil is less than a first set value held in the memory between starting of conduction of the charging coil and connection of a charging load of the portable terminal, the controller performs a safety operation.
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Abstract
A charging coil of a portable terminal charging apparatus is provided with a first detection coil, and a second detection coil disposed inward of the first detection coil and having a smaller diameter than a diameter of the first detection coil. The first and second detection coils are connected to a controller. If the ratio (V2/V1) of a second voltage (V2) detected by the second detection coil to a first voltage (V1) detected by the first detection coil is less than a first set value held in a memory between starting of conduction of the charging coil and connection of a charging load of the portable terminal, the controller performs a safety operation.
13 Citations
21 Claims
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1. A portable terminal charging apparatus comprising:
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a support plate whose front surface side is used as a portable terminal placement portion; a charging coil that charges a portable terminal placed on the portable terminal placement portion; a controller that is connected to the charging coil; and a memory that is connected to the controller, wherein the charging coil is provided with a first detection coil, and a second detection coil disposed inward of the first detection coil and having a smaller diameter than a diameter of the first detection coil, and the first and second detection coils are connected to the controller, and wherein, if a ratio (V2/V1) of a second voltage (V2) detected by the second detection coil to a first voltage (V1) detected by the first detection coil is less than a first set value held in the memory between starting of conduction of the charging coil and connection of a charging load of the portable terminal, the controller performs a safety operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification