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    • 1. 发明专利
    • 物体検知装置
    • 对象检测装置
    • JP2015055599A
    • 2015-03-23
    • JP2013190578
    • 2013-09-13
    • 株式会社日本自動車部品総合研究所Nippon Soken Inc株式会社デンソーDenso Corp
    • MATSUURA MITSUYASUHATTORI TOSHIHIROHARADA TAKEHITOKOYAMA MASARU
    • G01S15/10G01S7/292G01S13/06G01S13/93
    • G01S7/527G01S15/04G01S15/101G01S15/582
    • 【課題】検知対象物体からの反射波の受信を効率的に検知可能な技術を提供する。【解決手段】物体検知装置は、送受波ユニットからの受信信号を、送信信号に対応する基準信号を用いて直交復調し、I信号及びQ信号を得る。このI信号及びQ信号に基づいて、受信信号の基準信号に対する位相&thetas;及び振幅Aを算出する(S210)。更に、各時刻の位相&thetas;の前回値からの差である位相差&Dgr;&thetas;を算出し(S220)、送波時間Teに対応する時間長の期間単位で、この期間における位相差&Dgr;&thetas;の標準偏差&sgr;を算出する(S240)。標準偏差&sgr;が基準値&sgr;R未満である場合には(S250でYes)、上記期間の受信信号を、検知対象物体の反射波の特徴を示す検知対象信号とみなして、S260に移行する。一方、メインユニットは、標準偏差&sgr;が基準値&sgr;R以上である場合には(S250でNo)、上記評価期間における受信信号をノイズとみなして、S280に移行する。【選択図】図4
    • 要解决的问题:提供一种有效地检测从物体接收的反射波的技术。解决方案:一种物体检测装置通过使用与发送信号相对应的参考信号来正交地解调从换能器单元接收的接收信号,以获得 一个I信号和一个Q信号。 在I信号和Q信号的基础上,进行了一个阶段&Thetas; 并且计算接收信号相对于参考信号的振幅A(S210)。 物体检测装置计算相位差&Dgr;&Thetas; 这是相位和原理的差异; 从每次的先前值(S220),计算出标准偏差&sgr; 的相位差&Dgr;&thetas; 在与波发送时间Te对应的时间长度的每一个中(S240)。 当标准偏差&sgr 小于参考值&sgr(S250中的“是”),则假设该周期中的接收信号是要检测的信号,该处理进行到S260,该信号示出了要检测的对象的反射波的特性。 当标准偏差&sgr 等于或大于参考值&sgr;(S250中的否),则主机在假定评估期间的接收信号为噪声的情况下进入S280。
    • 2. 发明专利
    • Obstacle detection system
    • OBSTACLE检测系统
    • JP2010071881A
    • 2010-04-02
    • JP2008241365
    • 2008-09-19
    • Denso Corp株式会社デンソー
    • MATSUMOTO MUNEAKIHARADA TAKEHITOMATSUKAWA NORIFUMI
    • G01S15/93G01S7/526
    • G01S15/931G01S7/527G01S2015/938
    • PROBLEM TO BE SOLVED: To provide an obstruction detecting system for detecting obstruction, while preventing the accuracy of obstruction detection from deteriorating, even under circumstances where the level of ambient noise is high.
      SOLUTION: This obstruction detecting system 1 repeatedly executes obstruction detecting operation by means of an ultrasonic sensor 10, while making determination, to the effect that an obstruction is situated on the periphery thereof, when the level of a reflected wave received in each obstruction detecting operation exceeds a determination threshold Th by the number N of determinations. Furthermore, the detecting system 1 executes noise monitoring operation by means of the ultrasonic sensor 10, while determining the voltage level of the ultrasonic waves received in the monitoring operation with the ultrasonic waves being set as noise and sets the determination threshold Th, according to the determined noise level.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使在环境噪声水平高的情况下,也提供用于检测障碍物的障碍物检测系统,同时防止障碍物检测的精度恶化。 解决方案:该障碍物检测系统1通过超声波传感器10重复执行障碍物检测操作,同时在每个接收到的反射波的电平确定阻塞位于其周围的情况下 阻塞检测操作超过确定阈值Th乘以确定次数N. 此外,检测系统1通过超声波传感器10执行噪声监测操作,同时在超声波被设置为噪声的同时确定在监视操作中接收的超声波的电压电平,并根据 确定的噪音水平。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Parking support device
    • 停车支援装置
    • JP2009096347A
    • 2009-05-07
    • JP2007270248
    • 2007-10-17
    • Denso Corp株式会社デンソー
    • SATO YOSHIHISAHARADA TAKEHITO
    • B60R21/00G08G1/16
    • PROBLEM TO BE SOLVED: To provide a parking support device for enabling a driver to easily confirm the relative positional relationship between a vehicle and an object existing at the side of the vehicle from the vehicle interior when parking the vehicle.
      SOLUTION: The parking support device senses the distances FLD, FRD, RLD, RRD to the object existing at the side of the vehicle by ultrasonic sensors disposed at four corners of the vehicle when a shift position is positioned (S101: YES) at P range (S103). According to the position of the sensed object (S105, S107, S115), the symbols of the other vehicle are displayed (S109, S113, S117) at either one side or both sides on the screen of a display device of the left side and the right side of the symbol of the own vehicle arranged apart by a detection distance. When the sensed objects exist at both sides, a straight line connecting "distance FRD + distance FLD + two equally-spaced points of the vehicle width W" and "distance RRD + distance RLD + two equally-spaced points of the vehicle width W" is displayed (S111).
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种停车支持装置,用于使驾驶员能够在停车时容易地确认车辆与存在于车辆侧面的物体之间的相对位置关系。 解决方案:当移动位置被定位时,停车支援装置通过设置在车辆四个角落处的超声波传感器来检测存在于车辆一侧的物体的距离FLD,FRD,RLD,RRD(S101:是) 在P范围(S103)。 根据检测对象的位置(S105,S107,S115),在左侧的显示装置的画面的一侧或两侧显示另一车辆的符号(S109,S113,S117), 本车辆的符号的右侧与检测距离分开。 当感测对象存在于两侧时,连接“距离FRD +距离FLD +车辆宽度W的两个等间隔点”和“距离RRD +距离RLD +车辆宽度W的两个等间隔点”的直线 (S111)。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • 物体判定装置
    • 对象确定装置
    • JP2015055571A
    • 2015-03-23
    • JP2013189699
    • 2013-09-12
    • 株式会社日本自動車部品総合研究所Nippon Soken Inc株式会社デンソーDenso Corp
    • MATSUURA MITSUYASUHARADA TAKEHITOAKIYAMA KEIKO
    • G01S7/41G01S13/08G01S13/93
    • 【課題】自車を移動させなくても探査波の照射範囲に存在する物体の種類を判定することを可能にする。【解決手段】複数の送信回路部12a〜12dが順番に、所定の送信時間差をおいて探査波を送信するように制御する送信制御部14と、受信回路部13a〜13dの各々で受信した各反射波同士の受信時間差を、受信回路部13a〜13dごとに算出する時間差算出部15と、時間差算出部15で算出した受信回路部13a〜13dごとの受信時間差から、検出対象の物体が横長物体か縦長物体かを判定する物体種類判定部16とを備える。【選択図】図1
    • 要解决的问题:确定存在于搜索波的照射区域中的对象的类型,而不移动车辆。解决方案:对象确定装置包括:发送控制单元14,其控制多个发送电路部分12a-12d 以预定时间间隔顺序地发送搜索波; 时间差计算单元15,用于计算每个接收电路部分13a-13d中的每个接收电路部分13a-13d中接收的反射波之间的接收时间差; 以及对象类型确定单元16,其基于由时间差计算单元15计算的接收电路部分13a-13d的接收时间差,确定被检测对象是横向长对象还是垂直长对象。
    • 5. 发明专利
    • Obstacle detector
    • OBSTACLE检测器
    • JP2010078323A
    • 2010-04-08
    • JP2008243460
    • 2008-09-23
    • Denso Corp株式会社デンソー
    • HARADA TAKEHITOTAKEICHI MASAKAZUMATSUMOTO MUNEAKI
    • G01S7/529G01S15/93
    • G01S15/931G01S7/5345G01S7/536G01S2015/938
    • PROBLEM TO BE SOLVED: To provide an obstacle detector capable of detecting an object from short to long distance.
      SOLUTION: The obstacle detector 100 for detecting the obstacle by sending and receiving an ultrasonic wave includes, a transmitting circuit 25 for transmitting an ultrasonic wave, a receiving circuit 26 for receiving the ultrasonic wave, and amplifying circuits 261a-261d for amplifying the received signal received by the receiving circuit 26. The amplifying circuits 261a-261d increase the gain with the passage of time from the time of the ultrasonic wave transmission by the transmission circuit 25 and include an STC circuit 261c which starts increasing the gain when the reverberation generated by transmitting the ultrasonic wave by the transmission circuit 25 dies out.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够从短到长距离检测物体的障碍物检测器。 解决方案:用于通过发送和接收超声波来检测障碍物的障碍物检测器100包括用于发送超声波的发送电路25,用于接收超声波的接收电路26以及用于放大超声波的放大电路261a-261d 由接收电路26接收到的接收信号。放大电路261a-261d随着时间的推移从发送电路25的超声波发送时间增加增益,并且包括STC电路261c,该STC电路261c当增益增加时开始增加 通过发送电路25发送超声波而产生的混响消失。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Object detecting apparatus
    • 对象检测装置
    • JP2010066199A
    • 2010-03-25
    • JP2008234561
    • 2008-09-12
    • Denso Corp株式会社デンソー
    • TAKEICHI MASAKAZUHARADA TAKEHITOMATSUKAWA NORIFUMI
    • G01S7/526G01S15/10
    • G01S15/931G01S7/527G01S15/87
    • PROBLEM TO BE SOLVED: To lengthen a detection distance, while keeping object detection accuracy. SOLUTION: Presence/absence of a noise received by a sensor is determined by using each different threshold value in each detection area, aiming at a plurality of detection areas having each different detection distance at a timing different from a detection period from transmission of an ultrasonic wave until detection of a reflected wave (S100, S102, S106, S108). Then, validity/invalidity of an object detection result in each target detection area is determined according to presence/absence of a noise determined in each detection area (S110, S112, S114), and an object detection result relative to a detection area which is determined to be valid is reported (S120). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:延长检测距离,同时保持物体检测精度。 解决方案:通过使用每个检测区域中的每个不同的阈值来确定传感器接收到的噪声的存在/不存在,针对在与传输的检测周期不同的定时处具有每个不同检测距离的多个检测区域 直到检测到反射波(S100,S102,S106,S108)为止。 然后,根据在每个检测区域(S110,S112,S114)中确定的噪声的存在/不存在来确定每个目标检测区域中的对象检测结果的有效性/无效性以及相对于检测区域的对象检测结果 被确定为有效的(S120)。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Obstacle detection device
    • 障碍物检测装置
    • JP2009250672A
    • 2009-10-29
    • JP2008096199
    • 2008-04-02
    • Denso Corp株式会社デンソー
    • HARADA TAKEHITOSATO YOSHIHISA
    • G01S15/93
    • PROBLEM TO BE SOLVED: To provide an obstacle detection device having high resistance with respect to environmental noise.
      SOLUTION: This obstacle detection device 1 is equipped with: ultrasonic sensors 3a, 3b, 3c, 3d having wave transmission/reception means 11, 13 capable of transmitting/receiving an ultrasonic wave in a plurality of kinds of frequencies; and a control means 5 for commanding transmission/reception of the ultrasonic wave to the ultrasonic sensors 3a, 3b, 3c, 3d, acquiring a reception result of the ultrasonic wave from the ultrasonic sensors 3a, 3b, 3c, 3d, and detecting an obstacle based on the reception result. Each of the ultrasonic sensors 3a, 3b, 3c, 3d is equipped with a frequency-setting means 9 for setting the frequency of the transmitted/received ultrasonic wave, based on the ultrasonic wave received, when the transmission/reception means 11, 13 do not transmit ultrasonic waves.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种相对于环境噪声具有高阻力的障碍物检测装置。 解决方案:该障碍物检测装置1配备有能够发送/接收多种频率的超声波的具有波发送/接收装置11,13的超声波传感器3a,3b,3c,3d, 以及控制装置5,用于指示超声波传输到超声波传感器3a,3b,3c,3d的发送/接收,从超声波传感器3a,3b,3c,3d获取超声波的接收结果,并且检测障碍物 基于接收结果。 每个超声波传感器3a,3b,3c,3d都配备有频率设定装置9,用于当发送/接收装置11,13做的时候,基于接收到的超声波来设置发送/接收的超声波的频率 不传输超声波。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Obstacle detector
    • OBSTACLE检测器
    • JP2012220223A
    • 2012-11-12
    • JP2011083231
    • 2011-04-05
    • Denso Corp株式会社デンソー
    • HARADA TAKEHITOMATSUMOTO MUNEAKI
    • G01S15/93G01S7/56G01S13/93
    • PROBLEM TO BE SOLVED: To not only measure a distance between a vehicle and an obstacle to notify a user of the measured distance but also notify a distance freely set by the user without disturbing the notification of the distance between the vehicle and the obstacle in an obstacle detector.SOLUTION: An obstacle detector 100 in a vehicle 1 includes a function (second function) for notifying the distance freely set by the user (a back door open distance L, for instance) in addition to a conventional function (first function) for notifying the user of a collision avoidance distance at the time in a notification form corresponding to regions P1 to P4. The back door open distance L is notified in the notification form so that the notification is overlapped with the notification of the collision avoidance distance and both of the notifications are not confused.
    • 要解决的问题:为了不仅测量车辆和障碍物之间的距离以通知用户测量距离,而且还通知用户自由设定的距离,而不会妨碍车辆与车辆之间的距离的通知 障碍物检测器中的障碍物 解决方案:除了常规功能(第一功能)之外,车辆1中的障碍物检测器100包括用于通知用户自由设定的距离(例如,后门打开距离L)的功能(第二功能) 用于在对应于区域P1至P4的通知形式中通知用户该时间的冲突避免距离。 以通知表格通知后门打开距离L,使得通知与避碰距离的通知重叠,并且两个通知都不会混淆。 版权所有(C)2013,JPO&INPIT