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公开(公告)号：US12292734B2
公开(公告)日：2025-05-06
申请号：US17740336
申请日：2022-05-09
Applicant: Yanmar Power Technology Co., Ltd.
Inventor： Kazuhisa Yokoyama
Abstract: A wireless communication terminal device for operating a work vehicle that autonomously travels includes: a device main body 70 having a display 74 that is capable of accepting a touch panel operation; and an emergency-stop remote controller 71 having an emergency stop button 72 that is used to stop autonomous travel of the work vehicle. The device main body 70 and the emergency-stop remote controller 71 perform wireless communication with the work vehicle via different wireless communication networks having different communication schemes, respectively.
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Patent Agency Ranking
公开(公告)号：US20210165858A1
公开(公告)日：2021-06-03
申请号：US17262719
申请日：2019-05-17
Applicant: Yanmar Power Technology Co., Ltd.
Inventor： Sosuke Murata , Kazuhisa Yokoyama , Keiji Nakamura
Abstract: A control terminal includes: a storage unit for storing, in association with identification information of an apparatus, app use permitted/prohibited information that indicates whether the use of each of a plurality of applications by the apparatus is permitted or prohibited; and an app use control unit that receives the apparatus identification information from the apparatus each time wireless communication connection with the apparatus begins, and that controls the use of the plurality of applications on the basis of the app use permitted/prohibited information that is stored in the storage unit in association with the received identification information.
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公开(公告)号：US20220269263A1
公开(公告)日：2022-08-25
申请号：US17740336
申请日：2022-05-09
Applicant: Yanmar Power Technology Co., Ltd.
Inventor： Kazuhisa Yokoyama
Abstract: A wireless communication terminal device for operating a work vehicle that autonomously travels includes: a device main body 70 having a display 74 that is capable of accepting a touch panel operation; and an emergency-stop remote controller 71 having an emergency stop button 72 that is used to stop autonomous travel of the work vehicle. The device main body 70 and the emergency-stop remote controller 71 perform wireless communication with the work vehicle via different wireless communication networks having different communication schemes, respectively.
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公开(公告)号：US20220091271A1
公开(公告)日：2022-03-24
申请号：US17418284
申请日：2019-10-29
Applicant: Yanmar Power Technology Co., Ltd.
Inventor： Takuya Iwase , Kazuhisa Yokoyama , Shiro Sugita
Abstract: The obstacle detection system for a work vehicle enables an obstacle, present in the surroundings of a work vehicle, to be accurately detected. This obstacle detection system for a work vehicle has: a plurality of imaging devices that take images of the surroundings of a work vehicle; and an image processing device that performs, according to a time division system, an obstacle identification process for identifying an obstacle on the basis of the images from the plurality of imaging devices. The image processing device changes a to-be-processed cycle per unit time for the plurality of imaging devices in the time division system in accordance with the vehicle speed and the traveling direction of the work vehicle.
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公开(公告)号：US20210100156A1
公开(公告)日：2021-04-08
申请号：US17042109
申请日：2019-02-27
Applicant: Yanmar Power Technology Co., Ltd.
Inventor： Takuya Iwase , Kazuhisa Yokoyama , Shiro Sugita
IPC: A01B69/00 , G01S7/497 , G01S17/931 , G01S17/86 , G01S7/52 , G01S15/86 , G01S15/931 , G05D1/02
Abstract: To suppress an increase in the range in which obstacle detection is not executable and prevent the false detection of a movable part as an obstacle, the present invention includes: distance sensors 101, 102 provided in a work vehicle 1 and capable of measuring the distance to a measurement target; an obstacle control unit that executes collision avoidance control upon detecting a measurement target within a predetermined distance as an obstacle based on measurement results from the distance sensors 101, 102; a masking range setting unit that sets a masking range in which the detection of obstacles is not executed and the execution of the collision avoidance control is restricted; and a range-of-movement acquisition unit that acquires the range of movement of movable parts 5, 12 provided in the work vehicle 1, wherein the masking range setting unit sets the masking range corresponding to the range of movement.
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公开(公告)号：US20210018617A1
公开(公告)日：2021-01-21
申请号：US17042139
申请日：2019-02-26
Applicant: Yanmar Power Technology Co., Ltd.
Inventor： Takuya Iwase , Kazuhisa Yokoyama , Shiro Sugita
Abstract: Provided is an obstacle detection system for a work vehicle, with which the reduction of costs or labor required for preparatory work can be achieved. In an obstacle detection system for a work vehicle, three left-side and three right-side ultrasonic sensors 103A-103C, 104A-104C are disposed on the left and right sides of a work vehicle 1, respectively, and the measurement ranges Na-Nc thereof are continuous in the front and rear direction. In addition, a control unit 105 for distance measurement performs: position detection processing for detecting the position of an object with respect to the vehicle in the front and rear direction on the basis of a distance measurement operation of the ultrasonic sensors 103A-103C, 104A-104C having the continuous measurement ranges Na-Nc; and displacement detection processing for detecting the movement of the object in the front and rear direction on the basis of the distance measurement operation sequence of the ultrasonic sensors 103A-103C, 104A-104C having the continuous measurement ranges Na-Nc.
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