Power transmission control device, power transmission device, power receiving control device, power receiving device, and electronic apparatus
First Claim
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1. A power transmission control device included in a contactless power transmission system in which power is transmitted from a power transmission device to a power receiving device by electromagnetically coupling a primary coil and a secondary coil and the power is supplied to a load of the power receiving device, the power transmission control device comprising:
- a controller that controls the power transmission control device;
a load condition detection circuit that detects a load condition on a power receiving side; and
a storing section storing power transmission side system information that shows a load condition detection method with which the power transmission device is able to cope with the controller collating the power transmission side system information stored in the storing section and power receiving side system information that is received from the power receiving device and shows a load condition detection method that the power receiving device is able to cope, and determining whether or not the power transmission side system information and the power receiving side system information are compatible,the controller determining the load condition on the power receiving side based on threshold information received from the power receiving device and load condition detection information from the load condition detection circuit.
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Abstract
A power transmission control device included in a contactless power transmission system in which power is transmitted from a power transmission device to a power receiving device by electromagnetically coupling a primary coil and a secondary coil and the power is supplied to a load of the power receiving device, includes a controller controlling the power transmission control device, and a load condition detection circuit detecting a load condition on a power receiving side. The controller determines the load condition on the power receiving side based on threshold information received from the power receiving device and load condition detection information from the load condition detection circuit.
23 Citations
15 Claims
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1. A power transmission control device included in a contactless power transmission system in which power is transmitted from a power transmission device to a power receiving device by electromagnetically coupling a primary coil and a secondary coil and the power is supplied to a load of the power receiving device, the power transmission control device comprising:
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a controller that controls the power transmission control device; a load condition detection circuit that detects a load condition on a power receiving side; and a storing section storing power transmission side system information that shows a load condition detection method with which the power transmission device is able to cope with the controller collating the power transmission side system information stored in the storing section and power receiving side system information that is received from the power receiving device and shows a load condition detection method that the power receiving device is able to cope, and determining whether or not the power transmission side system information and the power receiving side system information are compatible, the controller determining the load condition on the power receiving side based on threshold information received from the power receiving device and load condition detection information from the load condition detection circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power receiving control device included in a contactless power transmission system in which power is transmitted from a power transmission device to a power receiving device by electromagnetically coupling a primary coil and a secondary coil and the power is supplied to a load of the power receiving device, the power receiving control device comprising:
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a controller that controls the power receiving control device; and a storing section that stores threshold information, the controller transmitting the threshold information stored in the storing section to the power transmission device, the storing section storing power receiving side system information showing a load condition detection method with which the power receiving device is able to cope, and the controller transmitting the power receiving side system information to the power transmission device. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification
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Current AssigneeSamsung Electronics Co. Ltd.
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Original AssigneeSeiko Epson Corporation (Seiko Group)
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InventorsKamijo, Takahiro, Kondo, Yoichiro, Onishi, Kota, Kamiyama, Masayuki, Shiozaki, Nobutaka
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Primary Examiner(s)Fantu, Yalkew
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Application NumberUS12/489,912Publication NumberTime in Patent Office1,120 DaysField of Search320/108US Class Current320/108CPC Class CodesH02J 50/12 of the resonant typeH02J 50/60 responsive to the presence ...H02J 50/80 involving the exchange of d...H02J 50/90 involving detection or opti...H02J 7/00045 Authentication, i.e. circui...H02J 7/0044 specially adapted for holdi...H02J 9/005 using a power saving mode f...
