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Patent US9583978


Issued 2017-02-28

Smart Meter, Supply Control Method, Operating Method, Integrated Circuit, System, And Program

A smart meter includes: a power supply control unit which causes stoppage of a supply of power passing through the smart meter to an television and so on, when an RD command to stop the supply is received; a first communication unit which performs a first communication through which the RD command is received; a second communication unit which performs a second communication; and a communication control unit which: causes the performance of the first communication before the RD command is received; and prohibit the performance of the first communication and cause only the performance of the second communication, after the RD command is received.



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4 Independent Claims

  • 1. A smart meter comprising: a power supply control unit configured to control stoppage of a supply of power through the smart meter to an electrical device when a command to stop the supply is received; a first communication unit configured to perform a first communication and to receive the command; a second communication unit configured to perform a second communication; and a communication control unit configured to: control the performance of the first communication until the command is received by the first communication unit; and prohibit the performance of the first communication and control the performance of only the second communication, after the command is received by the first communication unit, wherein the power supply control unit is configured to prohibit the supply of power from a power grid to an electrical device and control power from a predetermined storage battery to be supplied to the electrical device, after the command is received by the first communication unit, the smart meter: operates in one of a plurality of modes including a first mode and a second mode; and operates in the first mode when the command is not received, and operates in the second mode upon receiving the command, and the communication control unit is configured to: control the performance of the first communication during operation in the first mode; and prohibit the performance of the first communication and control the performance of only the second communication, during operation in the second mode, and wherein during operation in the second mode, the power supply control unit is configured to control stoppage of only the supply of the power from the power grid to the electrical device, out of the smart meter and the electrical device, and the smart meter operates under the power from the power grid even during operation in the second mode.

  • 12. A supply control method comprising: controlling a supply of power through a smart meter to an electrical device to be stopped, when a command to stop the supply is received by a first communication unit that performs a first communication, the first communication unit and a second communication unit being included in the smart meter; controlling the performance of the first communication until the command is received by the first communication unit; and prohibiting the performance of the first communication and controlling performance of only a second communication by the second communication unit, after the command is received by the first communication unit, wherein the supplying of power prohibits the supply of power from a power grid to an electrical device and controls power from a predetermined storage battery to be supplied to the electrical device, after the command is received by the first communication unit, the smart meter operates in one of a plurality of modes including a first mode and a second mode, and operates in the first mode when the command is not received and operates in the second mode upon receiving the command, performance of the first communication is controlled during operation in the first mode, and the performance of the first communication is prohibited and performance of only second communication is controlled during operation in the second mode, and wherein during operation in the second mode, stoppage of only the supply of the power from the power grid to the electrical device is controlled, out of the smart meter and the electrical device, and the smart meter operates under the power from the power grid even during operation in the second mode.

  • 14. An integrated circuit comprising: a power supply control unit configured to control a supply of power through a smart meter to an electrical device to be stopped, when a command to stop the supply is received by a first communication unit that performs by a first communication, the first communication unit and a second communication unit being included in the smart meter; and a communication control unit configured to: control the performance of the first communication until the command is received by the first communication unit; and prohibit the performance of the first communication and control performance of only a second communication by the second communication unit, after the command is received by the first communication unit, wherein the power supply control unit is configured to prohibit the supply of power from a power grid to the electrical device and control power from a predetermined storage battery to be supplied to the electrical device, after the command is received by the first communication unit, the smart meter: operates in one of a plurality of modes including a first mode and a second mode; and operates in the first mode when the command is not received, and operates in the second mode upon receiving the command, and the communication control unit is configured to: control the performance of the first communication during operation in the first mode; and prohibit the performance of the first communication and control the performance of only the second communication, during operation in the second mode, and wherein during operation in the second mode, the power supply control unit is configured to control stoppage of only the supply of the power from the power grid to the electrical device, out of the smart meter and the electrical device, and the smart meter operates under the power from the power grid even during operation in the second mode.

  • 15. A non-transitory computer-readable recording medium for use in a computer, the non-transitory computer-readable recording medium having a computer program recorded thereon for causing the computer to execute steps comprising: controlling a supply of power through a smart meter to an electrical device to be stopped, when a command to stop the supply is received by a first communication unit that performs a first communication, the first communication unit and a second communication unit being included in the smart meter; controlling the performance of the first communication until the command is received by the first communication unit; and prohibiting the performance of the first communication and causing performance of only a second communication by the second communication unit, after the command is received by the first communication unit, wherein the supplying of power prohibits the supply of power from a power grid to an, electrical device and controls power from a predetermined storage battery to be supplied to the electrical device, after the command is received by the first communication unit, the smart meter operates in one of a plurality of modes including a first mode and a second mode, and operates in the first mode when the command is not received and operates in the second mode upon receiving the command, performance of the first communication is controlled during operation in the first mode, and the performance of the first communication is prohibited and performance of only second communication is controlled during operation in the second mode, and wherein during operation in the second mode, stoppage of only the supply of the power from the power grid to the electrical device is controlled, out of the smart meter and the electrical device, and the smart meter operates under the power from the power grid even during operation in the second mode.