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公开(公告)号：US11067688B2
公开(公告)日：2021-07-20
申请号：US15515537
申请日：2015-10-21
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Mitsuyasu Matsuura , Yasutaka Atarashi , Tsuyoshi Ando , Motonari Ohbayashi
Abstract: An obstacle detection apparatus for vehicles includes: a first ultrasonic sensor for detecting a distance to an obstacle; a second ultrasonic sensor at a position of the vehicle for receiving a reflection wave from the obstacle of an ultrasonic wave from the first ultrasonic wave; a notifier that gives a notification of detecting the obstacle present within a preset distance in one or more of predetermined notification areas including a first notification area for the first ultrasonic sensor, and a second notification area for the second ultrasonic sensor detects the obstacle for the vehicle; and a controller that controls contents to be notified by the notifier. Furthermore, the controller determines whether a first indirect wave distance and a second indirect wave distance are used to determine whether to give the notification of detecting the obstacle in the first notification area.
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公开(公告)号：US10331709B2
公开(公告)日：2019-06-25
申请号：US14783274
申请日：2014-04-09
Applicant: DENSO CORPORATION
Inventor： Makoto Yano , Yasutaka Atarashi , Takamitsu Suzuki
Abstract: A map difference data distribution system includes a map difference data distribution device including a map difference data storage unit storing map difference data items and a distribution unit distributing map difference data items, and a map data maintaining device including update unit updating map data based on map difference data items. The map difference data storage unit traces the updated data items and data items having dependent relationships with the updated data items back to the different version updates, and stores the data items as map difference data items. The map difference data distribution device includes a non-updated data extraction unit extracting non-updated data items from the map data maintaining device, a grouping unit grouping the data items in dependent relationships, and a distribution data generation unit generating distribution data by arranging grouped records of non-updated data items from higher priority of map element under specified communication traffic volume.
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公开(公告)号：US10295351B2
公开(公告)日：2019-05-21
申请号：US14783267
申请日：2014-03-21
Applicant: DENSO CORPORATION
Inventor： Makoto Yano , Yasutaka Atarashi , Takamitsu Suzuki
Abstract: A map difference data delivery system includes a map difference data delivery device and a map data holding device. The map difference data delivery device stores map difference data representing a difference between before and after version update and delivers the map difference data. The map difference data includes map elements updated in the version update and dependent map elements by dating back to update of map elements corresponding to a different version. The dependent map elements are map elements that have a dependent relationship and need to be previously updated to avoid conflict with other map elements when updated. The map difference data delivery device groups data of the dependent map elements that have a dependent relationship in the same version.
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公开(公告)号：US20170242120A1
公开(公告)日：2017-08-24
申请号：US15515537
申请日：2015-10-21
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Mitsuyasu Matsuura , Yasutaka Atarashi , Tsuyoshi Ando , Motonari Ohbayashi
CPC classification number: G01S15/931 , G01S7/527 , G01S7/56 , G01S7/62 , G01S15/46 , G01S15/878 , G01S2015/938
Abstract: An obstacle detection apparatus for vehicles includes: a first ultrasonic sensor for detecting a distance to an obstacle; a second ultrasonic sensor at a position of the vehicle for receiving a reflection wave from the obstacle of an ultrasonic wave from the first ultrasonic wave; a notifier that gives a notification of detecting the obstacle present within a preset distance in one or more of predetermined notification areas including a first notification area for the first ultrasonic sensor, and a second notification area for the second ultrasonic sensor detects the obstacle for the vehicle; and a controller that controls contents to be notified by the notifier. Furthermore, the controller determines whether a first indirect wave distance and a second indirect wave distance are used to determine whether to give the notification of detecting the obstacle in the first notification area.
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