Abstract: A data receiving server receives, from a data transmitting server that collects measurement data transmitted by a device, a data type code indicating a data format and device information including identification information of the device, executes a setting allowing reception of the measurement data from the data transmitting server based on the data type code and the device information, and acquiring the data type code, the device information, and the measurement data transmitted by the data transmitting server.

Abstract: An application server stores therein setting information in which a notification target to be notified to each of users is set for each user of an application related to a system, and notifies, when an abnormality occurs in the system, an administrator of the system of the abnormality and also controls the notification of the abnormality for each of the users, based on the setting information.

Abstract: An overall management server acquires a request to use an application from a first user, sets a management area where the application requested by the first user is built, and provides the requested application in the management area set for the first user.

Abstract: A provisioning server 10 acquires identification information of a device associated with transmission destination information indicating a location of a destination to which data is transmitted from the device, receives an inquiry about transmission destination information from the device, and notifies the device, which is a request source of the inquiry, of the transmission destination information associated with the identification information of the device, which is the request source of the inquiry.

Abstract: An overall management server acquires device registration information in which device setting information including device identification information of a device and communication identification information set for causing the device to perform communication and application information on an application collecting information transmitted from the device are associated with each other and generates communication registration information associating communication contract information indicating a contract state of the communication with the device registration information.

Abstract: A web application server 10 receives measurement data that is collected by a device, setting a first virtual device corresponding to the measurement data, and sets, when a calculation apparatus that performs a predetermined calculation receives the measurement data and when acquiring first calculated data generated from the measurement data, a second virtual device corresponding to the first calculated data.

Abstract: A temperature difference power generation apparatus according to one aspect of the present invention includes a thermoelectric conversion element configured to convert thermal energy into electric energy based on a temperature difference, radiation fins which are thermally connected to a low-temperature side of the thermoelectric conversion element and contactable to outside air, and a pipe which is thermally connected to a high-temperature side of the thermoelectric conversion element and through which a high-temperature fluid at a higher temperature than the outside air is flowable.

Abstract: A data collection system including a device having a communication function and a data collection apparatus configured to collect data transmitted from the device. The data collection apparatus includes a receiver configured to receive data transmitted from the device, a data analyzer configured to acquire analyzed data by analyzing the received data according to analysis data format different for each device, a first data storage which is a non-rewritable storage, a second data storage which is storage that can be accessed faster than the first data storage and that stores a smaller amount of data than the first data storage, a data writer configured to writes and stores the data received by the receiver to the first data storage, and writes and stores the analyzed data acquired by the data analyzer to the second data storage.

Abstract: A device configuration management apparatus includes a logical node information storage storing logical node information about a logical node that can be associated with a particular device and a particular location, the logical node information including for each of logical nodes a device ID for identifying the particular device and location information which is information for identifying the location, a network information storage storing network information as a set of information about an edge connecting two logical nodes, and a node update processer configured to perform processing for updating at least one of the device ID and the location information with regard to the particular logical node in the logical node information stored in the logical node information storage.

Abstract: A communication device includes a signal acquirer, a controller, and a wireless communicator. The signal acquirer has terminals for a plurality of types of interfaces for acquiring signals from an external field device. The controller acquires the signals output from the signal acquirer and performs control for externally transmitting digital data based on the signals using wireless communication. The wireless communicator externally transmits the digital data in accordance with a wireless communication scheme based on the control performed by the controller.

Abstract: A communication device includes a signal acquirer, a controller, and a wireless communicator. The signal acquirer has terminals for a plurality of types of interfaces for acquiring signals from an external field device. The controller acquires the signals output from the signal acquirer and performs control for externally transmitting digital data based on the signals using wireless communication. The wireless communicator externally transmits the digital data in accordance with a wireless communication scheme based on the control performed by the controller.

Abstract: A field instrument includes: a plurality of sensors; a converter that acquires measurement results of the sensors and converts the measurement results into measurement information. The measurement information is physical quantities; and a processor that outputs, to a control target instrument connected to the field instrument, a control instruction that controls the control target instrument based on the measurement information.

Abstract: A data collection system including a device having a communication function and a data collection apparatus configured to collect data transmitted from the device. The data collection apparatus includes a receiver configured to receive data transmitted from the device, a data analyzer configured to acquire analyzed data by analyzing the received data according to analysis data format different for each device, a first data storage which is a non-rewritable storage, a second data storage which is storage that can be accessed faster than the first data storage and that stores a smaller amount of data than the first data storage, a data writer configured to writes and stores the data received by the receiver to the first data storage, and writes and stores the analyzed data acquired by the data analyzer to the second data storage.

Abstract: A device configuration management apparatus includes a logical node information storage storing logical node information about a logical node that can be associated with a particular device and a particular location, the logical node information including for each of logical nodes a device ID for identifying the particular device and location information which is information for identifying the location, a network information storage storing network information as a set of information about an edge connecting two logical nodes, and a node update processer configured to perform processing for updating at least one of the device ID and the location information with regard to the particular logical node in the logical node information stored in the logical node information storage.

Abstract: A temperature difference power generation apparatus according to one aspect of the present invention includes a thermoelectric conversion element configured to convert thermal energy into electric energy based on a temperature difference, radiation fins which are thermally connected to a low-temperature side of the thermoelectric conversion element and contactable to outside air, and a pipe which is thermally connected to a high-temperature side of the thermoelectric conversion element and through which a high-temperature fluid at a higher temperature than the outside air is flowable.

Abstract: A wireless communication apparatus includes antenna elements, each receiving a first signal and a second signal, a first estimator that estimates first channel information of the first signal, a false signal generator that generates false signals that are equal in number to or greater in number than the number of the antenna elements, each of the false signals arriving from a unique direction that is different from a direction of arrival of the first signal, a weight generator that generates first weights, each being associated with a corresponding one of the false signals and forming a null in the direction of arrival of the first signal, a multiplier that multiplies a signals received by the respective antenna elements by the first weights to acquire weight-multiplied signals, and a second estimator that estimates second channel information of the second signal using the weight-multiplied signals.

Abstract: A receiving device includes a receiving circuit configured to receive a first packet and a second packet, each of the first packet and the second packet including a first signal in a head and a second signal in a tail, respectively, and a processor configured to detect a collision of the first packet and the second packet based on a receiving timing of the first signal of the first packet, a receiving timing of the second signal of the first packet, and at least one of a receiving timing of the first signal of the second packet and a receiving timing of the second signal of the second packet, after detecting the collision, separate the first packet and the second packet based on the first signal of the first packet and the second signal of the second packet, and demodulate the separated first packet and the separated second packet, respectively.

Abstract: A wireless communication apparatus includes antenna elements, each receiving a first signal and a second signal, a first estimator that estimates first channel information of the first signal, a false signal generator that generates false signals that are equal in number to or greater in number than the number of the antenna elements, each of the false signals arriving from a unique direction that is different from a direction of arrival of the first signal, a weight generator that generates first weights, each being associated with a corresponding one of the false signals and forming a null in the direction of arrival of the first signal, a multiplier that multiplies a signals received by the respective antenna elements by the first weights to acquire weight-multiplied signals, and a second estimator that estimates second channel information of the second signal using the weight-multiplied signals.

Abstract: A biological sensing system includes a biological information detector that is placed in a first specified portion of a living thing, and detects biological information of the living thing; a position displacement detector that detects an amount of a displacement of a position of the biological information detector from the first portion when the biological information is detected; and a processor that executes a process including estimating optimum biological information from the biological information detected by the biological information detector in accordance with the amount of the displacement.