Abstract: A golf swing analysis apparatus detects a state of a shaft of a golf club by using an output from an inertial sensor, calculates a relative rotation angle of the shaft which changes about an axis of the shaft until the shaft transitions from a first state to a second state due to a swing of the shaft, and compares the calculated relative rotation angle with a reference relative rotation angle in a reference swing which is used as a reference, with respect to at least one of a change range of the relative rotation angle, the required time from the first state to a state in which the relative rotation angle becomes the maximum, and the maximum value of the relative rotation angle, and outputs a comparison result.

Abstract: A display method includes acquiring first attitude information of the hands of a subject holding an exercise equipment during standing still on the basis of an output from an inertial sensor (sensor unit) which measures a swing action of the subject (user) performing a swing with the exercise equipment (golf club) and is attached to at least one of the exercise equipment and the subject, acquiring second attitude information of the hands of the subject holding the exercise equipment at impact on the basis of an output from the inertial sensor, and displaying at least one of the first attitude information and the second attitude information.

Abstract: An electronic apparatus includes a determination section that performs a determination of a standing still state of exercise equipment on the basis of a preset determination criterion by using an output from an inertial sensor, and a notification section that notifies a user of information indicating a state change of the exercise equipment until reaching the determination.

Abstract: A transmission side counts the number of data signals to be transmitted to an internal signal route (or a transmission path) and sets a transmission counter value counted at a timing when a monitor signal is transmitted into a monitor signal to be transmitted to the route (or the path). A reception side of the data signals counts the number of data signals received from the internal signal route (or the transmission path) and sets a reception counter value counted at a timing when the monitor signal is received into the received monitor signal.

Abstract: A golf swing analysis device includes a joint force calculation section and a torque extraction section. The joint force calculation section generates a double pendulum model that includes a first link that corresponds to an upper part of a body of a golfer, a second link that corresponds to a golf club, and a joint that links the first link and the second link, and calculates a joint force applied to the joint along with a swing motion using an acceleration measured by an inertial sensor attached to the golf club. The torque extraction section extracts a torque that causes the second link to make a rotational motion around a first axis from the joint force.

Abstract: A motion analysis apparatus includes an action detection portion that detects a first action performed in correlation with a hit ball direction after a subject hits a ball using measured data which is measured by a sensor unit attached to at least one of golf club and the subject, a hit ball information generation portion that specifies a hit ball direction according to the first action so as to generate hit ball information including the hit ball direction, a motion analysis portion that analyzes motion in which the subject has hit the ball, so as to generate motion analysis information, and a storage processing portion that stores the motion analysis information and the hit ball information in correlation with each other.

Abstract: A motion analysis method, a motion analysis apparatus, a motion analysis system, and a program, capable of presenting attitude information of an exercise appliance when a subject holds the exercise appliance. A motion analysis method includes a rotation angle computation step of computing a rotation angle ? about a long axis of a shaft of a golf club when a subject holds the golf club, by using outputs from a sensor unit attached to the golf club, and an initial attitude information generation step of generating initial attitude information regarding an initial attitude of the golf club by using the rotation angle ?.

Abstract: A motion analysis device has a determination unit which uses an output from an inertial sensor mounted on at least one of a subject and a tool operated by the subject, to determine a dominant hand of the subject in a swing. The determination unit can determine the dominant hand on the basis of the sign of angular velocity or acceleration from the inertial sensor. A calculation unit which calculates motion analysis information in a swing, using an output from the inertial sensor can add dominant hand information from the determination unit to the motion analysis information. The motion analysis device can include a coincidence determination unit which determines that a first subject and a second subject have different dominant hands, and an inverted image generation unit which inverts first motion analysis information in the case of no coincidence.

Abstract: A pile foundation, on top of which a structural object is placed, supported at the ground surface by a plurality of batter piles, has a pile foundation body comprising a lower plate disposed on the bottom side, an upper plate disposed on the top side, and a support post for supporting the lower plate and the upper plate, separated by a prescribed gap, to be substantially parallel. A plurality of piling holes, through which each of the batter piles pass through in a downward direction in a substantially radial form, are formed in the lower plate and the upper plate.

Abstract: A transmission method includes notifying, by a first transmission device, a number of packets transmitted from the first transmission device to the second transmission device via the first communication line, of the second transmission device; storing the number of the transmitted packets; notifying, by a second transmission device, a number of packets received from the first transmission device via the first communication line, of the first transmission device; storing the number of the received packets; and when an operation system is switched from the first communication line to the second communication line, initiating, by the first transmission device, counting of a number of packets transmitted from the first transmission device to the second transmission device using the number of transmitted packets; and initiating, by the second transmission device, counting of a number of packets received from the first transmission device using the number of received packets.

Abstract: An aspect of the invention relates to a golf swing analyzing apparatus, comprising: an arithmetic section operating to use the output of an inertial sensor to calculate bending moment acting on the golf club, the inertial sensor being attached to the golf club.

Abstract: An aspect of the invention relates to a golf swing analyzing apparatus, comprising: a first arithmetic section operating to use an output from a first inertial sensor and an output from a second inertial sensor to calculate a first energy amount, the first inertial sensor being attached to a portion of an upper body of a golfer, the second inertial sensor being attached to a golf club, the first energy amount being generated in the upper body of the golfer; a second arithmetic section operating to use the output from the first inertial sensor and the output from the second inertial sensor to calculate a second energy amount transferred to the golf club from the upper body of the golfer; and a processing section calculating an energy transferring ratio of an energy transferred from the upper body of the golfer to the golf club based on a ratio of the second energy amount to the first energy amount.

Abstract: A swing analyzing device includes at least a motion sensor, a data acquiring unit, a motion detecting unit, and a swing data determining unit. The data acquiring unit acquires detection data of the motion sensor. The motion detecting unit uses the acquired detection data to detect a motion of a swing and extracts, as swing candidate data, data from which the motion of the swing is detected. The swing data determining unit selects true swing data from the swing candidate data based on determination conditions associated with the swing.

Abstract: An aspect of the invention relates to a golf swing analyzing apparatus, comprising: an arithmetic section operating to process the output of a first inertial sensor and the output of a second inertial sensor to calculate a relative angle between a forearm of a golfer and a golf club, the first inertial sensor being attached to a portion of the upper body of the golfer, the second inertial sensor being attached to the golf club.

Abstract: An inclination determination device includes: an inclination calculation unit that calculates an inclination of an exercise tool before exercise start using an output signal of an inertial sensor; and a determination unit that determines whether the inclination of the exercise tool is included within a criterion range decided based on information regarding the exercise tool and body information regarding a user.

Abstract: An motion analysis device includes a first calculation unit that obtains a relation between a movement direction of a ball hitting surface of an exercise tool at a time of entering an impact and a posture of the ball hitting surface at the impact by using an output of an inertial sensor.

Abstract: A transmitter used in a transmission system in which a first network is connected, via a second network, to a third network, the transmitter being arranged between the first network and the second network, the transmitter includes: a generator configured to specify an identifier of data area in which communication data affected by a failure occurred in the first network are stored, in a frame transmitted from the second network, and to generate failure information associated with the identifier specified; and a transmitter configured to transmit the failure information generated by the generator, via the second network, to another transmitter arranged between the second network and the third network.

Abstract: A sensor unit includes: a measuring unit; a first buffer which saves measured data measured by the measuring unit when outputting the measured data outside; a second buffer; and an output mode switching unit which switches an output mode for outputting the measured data outside. The output mode includes a real-time mode (first mode) in which the first buffer is overwritten with the measured data if there is no free space in the first buffer, and a buffering mode (second mode) in which the measured data is written in the second buffer if there is no free space in the first buffer and in which the measured data written in the second buffer is transferred to the first buffer if a free space is generated in the first buffer.

Abstract: An exercise analysis device includes: a data acquisition unit that acquires detection data of angular velocities generated around a plurality of axes in a swing exercise of a user; and a motion detection unit that detects a motion of the swing exercise using detection data of an angular velocity generated by radial deviation or ulnar deviation of a wrist of the user among the detection data.

Abstract: An exercise analysis method of analyzing, using an output of an inertial sensor, an exercise in which a measurement target locates at a first position at a first time point and the measurement target passes through the first position at a second time point includes: correcting an exercise parameter of the measurement target acquired from the output of the inertial sensor based on a difference between the first position at the first time point and the first position at the second time point; and analyzing the exercise using the exercise parameter after the correction.