Abstract: A selection support device that supports selection of a work machine to be used for work from among a plurality of work machines, the selection support device including: a history information acquisition unit configured to acquire history information on a use history of each work machine; a specifying unit configured to specify a degree of use of each work machine based on the history information; and a selection unit configured to preferentially select a work machine with a small degree of use as a work machine to be used for work.

Abstract: The storage unit stores history information in which area information regarding a past work area and time information regarding a work time in the past work area are associated with each other. The acquisition unit acquires area information regarding a current work area. The identification unit identifies a degree of association between the area information acquired by the acquisition unit and the history information stored in the storage unit. The output unit outputs information included in the history information with priority according to the degree of association identified by the identification unit.

Abstract: The acquisition unit acquires area information regarding a current work area. The prediction unit predicts a work time in the current work area on the basis of the area information acquired by the acquisition unit and history information in which area information regarding a past work area and time information regarding a work time in the past work area are associated with each other.

Abstract: The information processing system includes a server and an electronic device. The electronic device includes a communicating unit; a position detector detecting a position; an information acquiring unit acquiring position information for each of a plurality of other electronic devices and error information that indicates an error in the position information; a determining unit determining whether the electronic device is surrounded by the plurality of other electronic devices, and determining whether the electronic device is in a specific state; and a transmission control unit transmitting correction information that includes the position and the position information to the server when the electronic device is determined to be surrounded by the plurality of other electronic devices and to be in the specific state. The server corrects the position of the electronic device based on the correction information.

Abstract: An information processing system includes a server and an electronic device. The electronic device communicates with another electronic device, determines whether to operate as a representative device, based on information from the another electronic device, and when the electronic device determines to operate as the representative device, transmits, to the server, detection information detected by the another electronic device.

Abstract: A communication system includes a server device and a communication device worn by a player. The server device includes a route storage unit storing route information defining a set route and including height information associated with a position on the set route, a position acquisition unit that acquires an actual measurement position being a position actually measured from the communication device, and a position estimation unit that estimates an estimate position of the player on the set route based on the route information and the actual measurement position. The communication device includes a transmission unit that transmits the actual measurement position to the server device when a first distance between the estimate position and the actual measurement position is greater than or equal to an adjustment threshold value.

Abstract: A mobile terminal includes a position information acquisition unit that receives radio waves transmitted from a positioning satellite and processes the radio waves to acquire position information, a movement speed detection unit that uses the Doppler effect of the radio waves transmitted from the positioning satellite to detect a movement speed, a communication unit that communicates with a first base station for the position information using wireless communication, and a communication interval determination unit that determines a communication interval at which the communication unit performs communication based on the movement speed, in which the communication interval determination unit determines the communication interval such that the communication interval is longer when the movement speed is lower, and the communication unit performs communication at the communication interval determined by the communication interval determination unit.

Abstract: The present invention provides pitch-based ultrafine carbon fibers containing nitrogen atoms, wherein the average fiber diameter is more than 100 nm but not more than 900 nm; the content of the nitrogen atoms as determined by X-ray photoelectron spectroscopy (XPS) is 1.00% by atom or less; and the true density is from 1.95 to 2.20 g/cm3.

Abstract: The present invention provides: a fibrous carbon characterized in that the average effective fiber length is 1-100 ?m, and the crystallite length (La) measured using X-ray diffraction is 100-500 nm; an electrode mixture layer for a non-aqueous-electrolyte secondary cell, said mixture comprising an electrode active material and a carbon-based electroconductive auxiliary agent containing said fibrous carbon; an electrode for a non-aqueous-electrolyte secondary cell, the electrode comprising a collector and said electrode mixture layer for a non-aqueous-electrolyte secondary cell, the electrode mixture layer being laminated on the collector; and a non-aqueous-electrolyte secondary cell having said electrode for a non-aqueous-electrolyte secondary cell.

Abstract: The present invention provides an electrode mixture layer for nonaqueous electrolyte secondary batteries, which contains an electrode active material, a carbon-based conductive agent containing fibrous carbon having an average effective length of 10 ?m, and a binder, and which has a thickness of 50 ?m or more. This electrode mixture layer has an inner layer portion where the fibrous carbon is three-dimensionally dispersed in a random manner.

Abstract: The present invention provides pitch-based ultrafine carbon fibers that have an average fiber diameter of at least 100 nm and less than 700 nm, and an average fiber length of 10 ?m or more, wherein C—O bonds >C?O bonds in terms of the abundance ratio (molar ratio) of C—O bonds and C?O bonds derived from the O1s orbital as measured by X-ray photoelectron spectroscopy.

Abstract: The present invention provides pitch-based ultrafine carbon fibers that have an average fiber diameter of at least 100 nm and less than 700 nm, and an average fiber length of 10 ?m or more, wherein C—O bonds>C?O bonds in terms of the abundance ratio (molar ratio) of C—O bonds and C?O bonds derived from the O1s orbital as measured by X-ray photoelectron spectroscopy.

Abstract: The present invention provides: a fibrous carbon characterized in that the average effective fiber length is 1-100 ?m, and the crystallite length (La) measured using X-ray diffraction is 100-500 nm; an electrode mixture layer for a non-aqueous-electrolyte secondary cell, said mixture comprising an electrode active material and a carbon-based electroconductive auxiliary agent containing said fibrous carbon; an electrode for a non-aqueous-electrolyte secondary cell, the electrode comprising a collector and said electrode mixture layer for a non-aqueous-electrolyte secondary cell, the electrode mixture layer being laminated on the collector; and a non-aqueous-electrolyte secondary cell having said electrode for a non-aqueous-electrolyte secondary cell.

Abstract: A satellite signal receiver has a positioning error in a range from ?8 m to +8 m with a probability equal to or more than 95% when positioning in a reception environment with a signal strength equal to or more than ?135 dBm and average power consumption from start of positioning to first positioning equal to or less than 7 mW.

Abstract: The present invention provides an electrode mixture layer for nonaqueous electrolyte secondary batteries, which contains an electrode active material, a carbon-based conductive agent containing fibrous carbon having an average effective length of 10 ?m, and a binder, and which has a thickness of 50 ?m or more. This electrode mixture layer has an inner layer portion where the fibrous carbon is three-dimensionally dispersed in a random manner.

Abstract: A portable electronic device includes a reception unit (GPS receiver) that receives a positioning signal, and a power supply unit that supplies the reception unit (GPS receiver) with power. An intermittent operation range including an upper limit of an operation ratio of the reception unit (GPS receiver) is set, based on power consumption status of the power supply unit. The reception unit (GPS receiver) is intermittently operated within the intermittent operation range that is set.

Abstract: A satellite signal receiver has a positioning error in a range from ?8 m to +8 m with a probability equal to or more than 95% when positioning in a reception environment with a signal strength equal to or more than ?135 dBm and average power consumption from start of positioning to first positioning equal to or less than 7 mW.

Abstract: A learning processing unit derives, using learning data in which a characteristic value based on a distribution coordinate of a detected acceleration by an acceleration sensor which configured to be worn on a body of a user is associated with a moving speed of the user, a moving speed relational expression for finding an estimated speed from the characteristic value. A moving speed estimation unit finds an estimated speed from a current characteristic value using the derived moving speed relational expression.