Power transmission control device, power transmission device, power receiving control device, power receiving device, electronic apparatus, method for controlling power transmission, and method for controlling power receiving

A power receiving control device included in a contactless power transmission system that transmits power to a power receiving device by electromagnetically coupling a primary coil of a power transmission device with a secondary coil of the power receiving device to supply the power to a load of the power receiving device, the power receiving control device comprising:

• a controller that controls the power receiving device, the controller including:
• a negotiation processing section that performs a negotiation process of contactless power transmission;
• a setup processing section that performs a setup process of the contactless power transmission based on a result of the negotiation process,
• the controller exchanging information between the power transmission device and the power receiving device during the negotiation process and the setup process,
• the controller confirming whether or not the information exchanged between the power transmission device and the power receiving device matches with each other,
• the information including at least one of standard information and coil information, and
• the controller executing a normal power transmission from the power transmission device to the power receiving device.

A method for controlling power transmission in a contactless power transmission system that transmits power by electromagnetically coupling a first coil from a power transmission device to a second coil from a power receiving device to supply the power to a load of the power receiving device, comprising:

• performing a negotiation process of contactless power transmission;
• performing a setup process of the contactless power transmission based on a result of the negotiation process;
• exchanging information between the power transmission device and the power receiving device during the negotiation process and the setup process;
• confirming whether or not the information exchanged between the power transmission device power receiving device matches with each other;
• and
• executing a normal power transmission from the power transmission device to the power receiving device after the setup process,
• the information including at least one of standard information and coil information.

A method for controlling power receiving in a contactless power transmission system that transmits power by electromagnetically coupling a first coil from a power transmission device to a second coil from a power receiving device to supply the power to a load of the power receiving device, comprising:

• performing a negotiation process of contactless power transmission;
• performing a setup process of the contactless power transmission based on a result of the negotiation process;
• exchanging information between the power transmission device and the power receiving device during the negotiation process and the setup process;
• confirming whether or not the information exchanged between power transmission device and the power receiving device matches with each other;
• and
• starting a supply of power to the load by starting normal power transmission from the power transmission device to the power receiving device after the setup process,
• the information including at least one of standard information and coil information.

A contactless power transmission system that performs a contactless power transmission, the system comprising:

• a power transmission device comprising:
• a primary coil that transmits a first data via an electromagnetic coupling, receives a second data via the electromagnetic coupling and transmits the contactless power transmission via the electromagnetic coupling based on the received second data;
• a power receiving device comprising:
• a secondary coil that receives the first data from the power transmission device via the electromagnetic coupling, transmits the second data to the power transmission device via the electromagnetic coupling and receives the contactless power transmission from the power transmission device via the electromagnetic coupling based on the transmitted second data;
• and
• a controller that controls the power transmission device, the controller including:
• a negotiation processing section that controls a negotiation process of contactless power transmission with the power receiving device based on an exchange of the first data and the second data;
• and
• a setup processing section that performs a setup process of the contactless power transmission based on a result of the negotiation process,
• the controller exchanging information between the power transmission device and the power receiving device during the negotiation process and the setup process,
• the controller confirming whether or not the information exchanged between the power transmission device and the power receiving device matches with each other,
• the information including at least one standard information and coil information, and
• the controller executing the contactless power transmission from the power transmission device to the receiving device.

A power transmission control device included in a contactless power transmission system that transmits power by electromagnetically coupling a primary coil from a power transmission device to a secondary coil from a power receiving device to supply the power to a load of the power receiving device, the power transmission control device comprising:

• a controller that controls the power transmission device, the controller including:
• a negotiation processing section that performs a negotiation process of contactless power transmission;
• and a setup processing section that performs a setup process of the contactless power transmission based on a result of the negotiation process,
• the controller exchanging information between the power transmission device and the power receiving device during the negotiation process and the setup process,
• the controller confirming whether or not the information exchanged between the power transmission device and the power receiving device matches with each other,
• the information including safety information, and
• the controller executing a normal power transmission from the power transmission device to the power receiving device.