Remote communication system
    11.
    发明授权

    公开(公告)号:US11926285B2

    公开(公告)日:2024-03-12

    申请号:US17443534

    申请日:2021-07-27

    Abstract: A remote communication system includes a portable device; and a fixed system. The fixed system includes main communication modules; and a position estimating unit configured to estimate a position of the portable device, based on an incident angle of a signal from the portable device, upon detecting the signal by antennas provided in the main communication modules. When there are two main communication modules for which the incident angle is known, the position of the portable device is estimated based on the incident angle. When there is one main communication module for which the incident angle is known, the position of the portable device is estimated based on the incident angle and a received radio wave intensity of the signal. When there is no main communication module for which the incident angle is known, the position of the portable device is estimated based on the received radio wave intensity.

    Physical quantity measuring apparatus

    公开(公告)号:US11085801B2

    公开(公告)日:2021-08-10

    申请号:US16353190

    申请日:2019-03-14

    Inventor: Yukimitsu Yamada

    Abstract: A physical quantity measuring apparatus has: a plurality of physical quantity sensors of the same type, each of which detects a physical quantity at intervals of a predetermined length of time; a computing unit that calculates an output value according to physical quantities detected by the plurality of physical quantity sensors at each detection time; and a deciding unit that makes a predetermined decision according to an output value calculated about the immediately preceding detection time and to physical quantities detected by the plurality of physical quantity sensors at the current detection time. The computing unit calculates an output value at each detection time according to a decision result of the deciding unit.

    Position estimating device, position estimating system, and position estimating method

    公开(公告)号:US11073594B2

    公开(公告)日:2021-07-27

    申请号:US17011186

    申请日:2020-09-03

    Abstract: A position estimating device includes a processor, and a memory storing program instructions that cause the processor to obtain a plurality of position data of a transmitter, the plurality of position data being output from respective positioning devices, calculate a density of the plurality of position data based on the plurality of obtained position data output from the respective positioning devices, the density of the plurality of position data being a value indicating how close positions indicated by the plurality of position data are, and estimate a position of the transmitter based on the plurality of position data output from the respective positioning devices and the calculated density.

    Walking measurement device, walking measurement method, and program

    公开(公告)号:US10794723B2

    公开(公告)日:2020-10-06

    申请号:US15935474

    申请日:2018-03-26

    Abstract: A walking measurement device is provided that includes a timing detection unit configured to detect an impact generation timing at which an impact resulting from a landing of a left foot or a right foot has been generated; an acceleration sensor configured to repeatedly detect, at predetermined time intervals, an acceleration in a lateral direction along which the left foot and the right foot are arranged side by side; and a first determination unit configured to determine whether the impact generation timing corresponds to a landing timing of the left foot or a landing timing of the right foot based on the impact generation timing detected by the timing detection unit and the acceleration detected by the acceleration sensor.

    Electronics device
    15.
    发明授权

    公开(公告)号:US10599202B2

    公开(公告)日:2020-03-24

    申请号:US15938053

    申请日:2018-03-28

    Abstract: An operation signal generating unit 11 and a reset unit 12 are included in a first circuit unit 10 that operates based on a first power supply voltage V1 and an output operation of a second power supply voltage B2 is stopped by outputting a reset signal Sr from the reset unit 12 to a regulator 20 in accordance with an operation signal Si of the operation signal generating unit 11. Hence, unlike a conventional technique, a large transistor for cutting off a power supply line is unnecessary, and therefore a device size can be reduced.

    Position detection system
    17.
    发明授权

    公开(公告)号:US10386455B2

    公开(公告)日:2019-08-20

    申请号:US16127613

    申请日:2018-09-11

    Abstract: A position detection system performs first through third processes to measure, using high-frequency signals, a position of a slave device in a measurement area surrounded by parent devices. The first process measures distances between the slave device and each of the master devices a plurality of times, to obtain a minimum value of each of the distances. The second process obtains a position of an intersection point of two arcs among arcs respectively having the minimum value of each of the distances as a radius from respective centers of the master devices when a number of intersection points of the two arcs within the measurement area is one. The third process regards a center of gravity of the intersection points as a true position of the slave device when the intersection points are densely arranged.

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