Abstract: A swing analysis method includes acquiring measurement data measured by an inertial sensor in a swing motion with a golf club, and calculating torque data indicating a temporal change of a torque exerted on the golf club by analyzing the measurement data using a head speed coordination system having a first axis including a speed vector of a head of the golf club, a second axis being orthogonal to the first axis and extending along a shaft of the golf club, and a third axis orthogonal to both the first axis and the second axis.

Abstract: A portable electronic apparatus includes an operation section adapted to receive an operation of a user and output a rest start signal representing start of a rest, a body motion sensor adapted to output a body motion signal based on a motion of the user, a timing section adapted to measure rest time of the user, and a processor electrically connected to the operation section, the body motion sensor, and the timing section, and the processor starts the measurement of the rest time by the timing section in the case in which the processor fails to detect the rest start signal, and fails to detect the periodic component based on the motion of the user in the body motion signal for a predetermined period.

Abstract: A swing analysis device includes: an acquisition unit (swing video acquisition unit) acquiring a swing video of a user; a processing unit deciding an impact timing and a tempo, based on the swing video; and a display unit displaying the swing video and the tempo. The display unit, while displaying the swing video, displays the tempo when the impact timing is reached in the swing video.

Abstract: A swing analysis method includes acquiring measurement data measured by an inertial sensor in a swing motion with a golf club, and calculating torque data indicating a temporal change of a torque exerted on the golf club by analyzing the measurement data using a head speed coordination system having a first axis including a speed vector of a head of the gold club, a second axis being orthogonal to the first axis and extending along a shaft of the golf club, and a third axis orthogonal to both the first axis and the second axis.

Abstract: An exercise analyzing device (a swing analyzing device) includes an acquiring section (a data acquiring section) configured to acquire an output of a first inertial sensor (an acceleration sensor and an angular velocity sensor) attached to a body of a user and an output of a second inertial sensor (an acceleration sensor and an angular velocity sensor) attached to an exercise instrument (a golf club), an analyzing section (a swing analyzing section) configured to analyze a correlation or a similarity degree between the output of the first inertial sensor and the output of the second inertial sensor and generate reference information, and an output processing section configured to estimate, when the second inertial sensor is not used, the output of the second inertial sensor from the output of the first inertial sensor and the reference information.

Abstract: A 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 swing analysis device includes: an acquisition unit (swing video acquisition unit) acquiring a swing video of a user; a processing unit deciding an impact timing and a tempo, based on the swing video; and a display unit displaying the swing video and the tempo. The display unit, while displaying the swing video, displays the tempo when the impact timing is reached in the swing video.

Abstract: A motion analysis method includes calculating a change in an amount of inertia of a region attached with an inertial sensor during a swing using an output of the inertial sensor, and identifying a maximum value of the amount of inertia during the swing to compare the maximum value and the amount of inertia at an impact with each other. A deceleration timing during the swing of the region (the grip of the sporting equipment) attached with the inertial sensor is identified, and the quality of the swing can be evaluated.

Abstract: A motion analysis method includes a normal mode in which first motion information in a swing is measured by using an output from a sensor unit in a state in which a standing still action is detected, and a simple mode in which second motion information in a swing is measured by using an output from the sensor unit in a state in which the standing still action is not detected, and the number of analysis items is smaller than in the normal mode.

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: A portable electronic apparatus includes an operation section adapted to receive an operation of a user and output a rest start signal representing start of a rest, a body motion sensor adapted to output a body motion signal based on a motion of the user, a timing section adapted to measure rest time of the user, and a processor electrically connected to the operation section, the body motion sensor, and the timing section, and the processor starts the measurement of the rest time by the timing section in the case in which the processor fails to detect the rest start signal, and fails to detect the periodic component based on the motion of the user in the body motion signal for a predetermined period.

Abstract: A 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: An exercise analyzing device (a swing analyzing device) includes an acquiring section (a data acquiring section) configured to acquire an output of a first inertial sensor (an acceleration sensor and an angular velocity sensor) attached to a body of a user and an output of a second inertial sensor (an acceleration sensor and an angular velocity sensor) attached to an exercise instrument (a golf club), an analyzing section (a swing analyzing section) configured to analyze a correlation or a similarity degree between the output of the first inertial sensor and the output of the second inertial sensor and generate reference information, and an output processing section configured to estimate, when the second inertial sensor is not used, the output of the second inertial sensor from the output of the first inertial sensor and the reference information.

Abstract: A swing analyzing device (a sensor unit) includes an exercise-information acquiring section configured to acquire an output of an inertial sensor (an acceleration sensor and an angular velocity sensor), an information acquiring section (a movement-information acquiring section) configured to acquire at least either one of position information and movement information, and a control section (a sampling-rate control section) configured to control a storage sampling rate of the storage of the output of the inertial sensor. The control section changes the storage sampling rate according to at least either one of the position information and the movement information.

Abstract: A motion analysis method includes a normal mode in which first motion information in a swing is measured by using an output from a sensor unit in a state in which a standing still action is detected, and a simple mode in which second motion information in a swing is measured by using an output from the sensor unit in a state in which the standing still action is not detected, and the number of analysis items is smaller than in the normal mode.

Abstract: A motion analysis device that obtains a relation between a movement direction of a ball hitting surface of an exercise tool at a time of starting a swing and a posture of the ball hitting surface at the time of impact during the swing by using output of an inertial sensor.

Abstract: A communication device includes a memory and a processor coupled to the memory. The processor is configured to register first flow identification information of a first packet in the memory. The processor is configured to perform a first request of requesting a control device for first destination information corresponding to the first flow identification information. The processor is configured to determine whether second flow identification information of a second packet is registered in the memory. The processor is configured to perform a second request of requesting the control device for second destination information upon determining that the second flow identification information is not registered in the memory. The second destination information corresponds to the second flow identification information.

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 hit ball direction teaching apparatus includes a target direction acquisition section that acquires a target hit ball direction, an environmental information acquisition section that acquires environmental information, a processing section that obtains a delivery direction of a hit ball on the basis of the target hit ball direction and the environmental information, and generates notification data of the delivery direction, and a notification section (display) that performs a notification of the delivery direction on the basis of the notification data.

Abstract: A motion analysis method includes: specifying plural operations included in a motion operation using an output from an inertial sensor; calculating an operating time of each of the plural operations; adjusting a time axis of each operating time; and outputting operation information of the operation based on the adjusted time axis.