Abstract: A communication device that relays a communication between a certain communication device and a network, the communication device including a transfer processing circuit configured to receive a signal from the network through a further communication device and transfer the signal to the certain communication device when a failure occurs in a line between the further communication device and the certain communication device; and a transmission and reception circuit configured to receive, from the further communication device, a monitoring packet used to monitor a communication path between the further communication device and the network and transmit a response packet for the monitoring packet to the further communication device.

Abstract: A method of identifying a cause of an interrupt related to an interrupt indication received from an interrupt indicating circuit in a processor, includes the steps of having the interrupt indicating circuit provided with a plurality of lowest-layer registers having a plurality of bits, each of the plurality of bits corresponding to the cause of the interrupt, and one or more upper-layer registers for aggregating the plurality of lowest-layer registers; forming a hierarchical structure with the one or more upper-layer registers and the plurality of lowest-layer register; and identifying the cause of the interrupt by having the processor read the upper-layer registers and the lowest-layer registers in order following the hierarchical structure.

Abstract: According to an embodiment, management server includes estimator, scheduler, acquisition unit, monitoring unit, receiver and setting unit. Estimator calculates estimated value of energy demand in building with electric appliance. Scheduler creates schedule of appliance based on estimated value. Acquisition unit acquires actual value of energy demand. Monitoring unit monitors error between estimated value and actual value. Receiver receives DR signal containing information which prompts suppression of energy consumption in a designated period. Setting unit sets threshold. Estimator recalculates estimated value if error is equal or more than threshold. Scheduler reforms schedule based on the recalculated estimated value.

Abstract: A battery controller has a holder, a calculator, an acquirer, a calculator, and a controller. The holder holds, at a predetermined time, a value of a received power supplied from an electrical power receiving system to equipment supplied with power from a rechargeable battery. A calculator calculates a difference between a present value of the received power and a last-held value of the received power last-held by the holder at the predetermined time. An acquirer acquires a command value of the received power for each predetermined time period defined by a predetermined time interval. A calculator calculates a limit value of the received power for each time that is shorter than the predetermined time, based on the command value of the received power for each predetermined time period. A controller controls charge and discharge in the rechargeable battery, based on the calculated difference and on the limit value.

Abstract: A device operation setting apparatus includes a calculator and a determiner. The calculator calculates, based at least in part on a relationship between a setting value regarding operation control of a device and a consumed power of a device, a target value of the consumed power of the device. The determiner determines the setting value to cause that a difference between an actually measured consumed power of the device and the target value of the consumed power of the device calculated by the calculator is within a prescribed range.

Abstract: A schedule determination device includes an acquisitor, a setter, and a determiner. The acquisitor acquires indexes of an operation schedule of a device and constraint conditions of the indexes. The setter sets a second range, which is narrower than a first range set in the operation schedule before a change, as a range for values of variables that establish constraint conditions of indexes of a new operation schedule. The determiner determines the operation schedule of the device, using the variable values within the second range.

Abstract: An actuator is allowed to move toward +A direction and toward ?A direction. A movable contact engages with the actuator. A fixed contact touch the movable contact with electrical connection when the movable contact is located at an ON position, and are apart from the movable contact with electrical isolation when the movable contact is located at positions other than the ON position. An arc prevention mechanism prevents arc between the movable contact and the fixed contact.

Abstract: An operation plan generation device of an embodiment includes a consumption amount computer, a cost computer, and an operation plan generator. The consumption amount computer is configured to compute an amount of primary energy consumption by a plurality of energy supply devices that generates energy to be supplied to a load. The cost computer is configured to compute a total cost for the plurality of energy supply devices to generate energy to be supplied to the load. The operation plan generator is configured to generate an operation plan for the plurality of energy supply apparatuses to achieve at least one of a target relating to the amount of primary energy consumption and a target relating to the total cost, based on the amount of primary energy consumption computed by the consumption amount computer, and on the total cost computed by the cost computer.

Abstract: A packet control method implemented by a processor provided in a transmission apparatus including a buffer, the method includes sequentially writing a plurality of packets which are received, to a plurality of regions in the buffer, when sequentially receiving the plurality of packets; acquiring time information indicating a time when each of the plurality of packets is written to one of the plurality of regions, for each packet; sequentially reading the plurality of packets from the plurality of regions; determining an order to write a plurality of new packets to the plurality of regions, based on the time information of each of the plurality of packets which are read; and writing the plurality of new packets to the plurality of regions, according to the determined order, when sequentially receiving the plurality of new packets.

Abstract: An infrared sensor, which achieves a low manufacturing cost, or has high sensitivity, or in which an increase in heat capacity is reduced, is provided. The infrared sensor includes a first infrared absorbing portion, an infrared sensing portion for sensing infrared rays based on infrared rays absorbed by the first infrared absorbing portion, and a plurality of protrusions including metal and disposed apart from each other on a surface of the first infrared absorbing portion. Since an absorption rate of infrared rays is improved, sensitivity can be improved, or an increase in heat capacity can be reduced.

Abstract: A communication system includes a first communication device configured to transmit input data to a transmission path, detects a first accumulated amount of the input data, and transmit notifying data to the transmission path when the detected first accumulated amount has reached a threshold value, and a second communication device configured to receive data transmitted to the transmission path by the first communication device, detect a second accumulated amount of the received data, and output measurement information based on the detected second accumulated amount and the threshold value when having received the notifying data.

Abstract: According to one embodiment, a PMV estimating device calculates a PMV value from an average room radiation temperature, room temperature, room humidity, room air velocity, an amount of cloth worn by a person in the room, and an amount of activity of the person in the room. The PMV estimating device includes: indoor solar radiation calculator; solar radiated article temperature estimator; and average radiation temperature estimator. The indoor solar radiation calculator calculates an amount of solar radiation entered into the room. The solar radiated article temperature estimator estimates a temperature of a solar radiated article receiving the solar radiation entered into the room, by using the amount of solar radiation entered into the room calculated by the indoor solar radiation calculator. The average radiation temperature estimator estimates the average room radiation temperature by using the temperature of the solar radiated article estimated by the solar radiated article temperature estimator.

Abstract: An optimized operation schedule of a control-target apparatus is ensured while maximally reducing a burden share to a facility operator. An energy predictor sets, for a control-target apparatus, a predicted value of energy consumption or energy supply within a predetermined future time period based on process data. A schedule optimizer optimizes an operation schedule of the control-target apparatus within the predetermined time period with a predetermined evaluation barometer based on the predicted value, the characteristic of the control-target apparatus, and the process data. An approval request determiner determines a necessity of an approval for a latest operation schedule based on a preset determining condition. A determination result transmitter transmits a determination result by the approval request determiner.

Abstract: A battery controller has a holder, a calculator, an acquirer, a calculator, and a controller. The holder holds, at a predetermined time, a value of a received power supplied from an electrical power receiving system to equipment supplied with power from a rechargeable battery. A calculator calculates a difference between a present value of the received power and a last-held value of the received power last-held by the holder at the predetermined time. An acquirer acquires a command value of the received power for each predetermined time period defined by a predetermined time interval. A calculator calculates a limit value of the received power for each time that is shorter than the predetermined time, based on the command value of the received power for each predetermined time period. A controller controls charge and discharge in the rechargeable battery, based on the calculated difference and on the limit value.

Abstract: An electrical connector module for electrically connecting at least one connector to a printed circuit board of an electronic device includes at least one shielding jack having a top wall, two opposite side walls and at least one common wall. The walls of the shielding jack collectively define at least a slot therewithin for receiving the connectors and a front end and an opposite rear end. The slot is divided by the common wall. The side walls and the common wall have a plurality of press fit terminals extending toward the circuit board. The common wall has a plurality of offset latch arms engaged with different connectors. When the connectors are inserted to the slots, the offset latch arms respectively secure the connectors in the corresponding slots.

Abstract: A power management system includes: customer terminals; and a power management apparatus connected to the customer terminals, wherein each of the customer terminals includes a weather forecast acquisition unit that acquires a local weather forecast for a corresponding customer terminal, and a power prediction unit that predicts a power consumption and an amount of power that can be reduced for a predetermined period based on the weather forecast, and the power management apparatus includes an integration processing unit that integrates the power consumptions and the amounts of power that can be reduced that are predicted for the respective customer terminals to calculate a total power consumption and a total amount of power that can be reduced for all of the customer terminals.

Abstract: A received electric power reduction information calculation apparatus (corresponding to an example of a received energy reduction information calculation apparatus) has an energy predictor and a reduction information calculator. The energy predictor predicts a prediction amount of at least one of energy supply and energy consumption in a future prescribed time period with respect to at least one of an energy-supplying equipment and an energy-consuming equipment, based on a request for reduction of the received energy. The reduction information calculator calculates the reduction amount of the received energy associated with the prediction amount, based on an energy fee reflected from an expected fee of incentive with respect to the reduction request of the received energy.

Abstract: When time synchronization between communication apparatuses is performed with PTP, a PTP packet storing a time stamp is transmitted/received. At that time, an RTC is provided in a PTP packet generation unit within the communication apparatus. An RTC is also provided in a PTP packet transmission unit. These RTCs are time-synchronized by a hardware operation based on PPS/System CLK. The RTCs of the PTP packet generation unit and the PTP packet transmission unit are time-synchronized, whereby a highly precise time stamp and correction value for a time can be obtained.

Abstract: According to an embodiment, management server includes estimator, scheduler, acquisition unit, monitoring unit, receiver and setting unit. Estimator calculates estimated value of energy demand in building with electric appliance. Scheduler creates schedule of appliance based on estimated value. Acquisition unit acquires actual value of energy demand. Monitoring unit monitors error between estimated value and actual value. Receiver receives DR signal containing information which prompts suppression of energy consumption in a designated period. Setting unit sets threshold. Estimator recalculates estimated value if error is equal or more than threshold. Scheduler reforms schedule based on the recalculated estimated value.

Abstract: An electrical connector module for electrically connecting at least one connector to a printed circuit board of an electronic device includes at least one shielding jack having a top wall, two opposite side walls and at least one common wall. The walls of the shielding jack collectively define at least a slot therewithin for receiving the connectors and a front end and an opposite rear end. The slot is divided by the common wall. The side walls and the common wall have a plurality of press fit terminals extending toward the circuit board. The common wall has a plurality of offset latch arms engaged with different connectors. When the connectors are inserted to the slots, the offset latch arms respectively secure the connectors in the corresponding slots.