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1. 发明专利

JPS61112983A Laser range finder mounted on vehicle 失效
标题翻译：激光雷达探测器安装在车上
公开(公告)号：JPS61112983A
公开(公告)日：1986-05-30
申请号：JP23473184
申请日：1984-11-07
申请人： Fujitsu Ten Ltd , Toyota Motor Corp
发明人： KAJIOKA HIDEKI , FUJIMURA KEIJI , SAKAMOTO TAKASHI , HAYASHI KUNIHISA
IPC分类号： G01S7/48 , G01C3/00 , G01C3/02 , G01C3/06 , G01S17/08 , G01S17/93
摘要： PURPOSE: To prevent the stoppage of laser beam based on the judgement of the stoppage of a vehicle in a dangerous state at the time of the locking of a tire, by adding a tire lock detection circuit to a laser range finder mounted to a vehicle.
CONSTITUTION: An axle rotating pulse (a) disappears [chart (a)] because the rotation of an axle is stopped at the times of the stoppage of a vehicle and the locking of a tire. A differentiation circuit 6 detects the rising in the output (b) of a f/v converter 41 to make it possible to know the starting of the locking of the tire [chart (c)]. A peak detection circuit 7 has time constant C
2 R
2 and gradually increases output (d) [chart (d)] and a tire lock detection comparator 8 detects the change in this output (d) as a threshold value REF
2 and brings output (e) to a low level only during a period (t
1 ) of d 2 [chart (e)]. A stoppage discrimination comparator 42 immediately brings output (f) to a high level when input (b) is lowered to a threshold value REF
1 or less and shows the stoppage of the vehicle but the output (f) can not pass a gate 9 because this time t
2 is shorter than the time t
1 and the effect (shown by the broken line) due to the locking of the tire does not appear in the output (g) to a laser transmitter [chart (g)].
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过将轮胎锁定检测电路添加到安装在车辆上的激光测距装置，根据在轮胎锁定时处于危险状态的车辆的停止判断来防止激光束的停止。构成：轴转动脉冲（a）消失[图（a）]，因为在停车和轮胎锁定时轴的旋转停止。微分电路6检测f / v转换器41的输出（b）中的上升，使得可以知道轮胎的锁定开始[图（c）]。峰值检测电路7具有时间常数C2R2并逐渐增加输出（d）[chart（d）]，并且轮胎锁定检测比较器8将该输出（d）的变化检测为阈值REF2，并将输出（e）仅在d

2. 发明专利

JPH01173808A ROAD SURFACE UNEVENNESS DETECTING DEVICE 失效
公开(公告)号：JPH01173808A
公开(公告)日：1989-07-10
申请号：JP33548487
申请日：1987-12-28
申请人： FUJITSU TEN LTD , TOYOTA MOTOR CORP
发明人： ASAMI HIDEO , OHASHI KAORU , YUYA TOSHIO , KAJIOKA HIDEKI
IPC分类号： G01C7/04 , G01B11/30
摘要： PURPOSE:To preclude misdetection by using two kinds of arithmetic expressions according to the difference between the signal level (S) of reflected light from a road surface and a clutter level (C) found its mean value when the level (S) is smaller than the clutter level (C). CONSTITUTION:The arithmetic expression of an S/C ratio is S/C ratio = S/C when S>C, S/C ratio = C/S when S

3. 发明专利

JP2002062355A MODULATION SIGNAL GENERATION IN FM-CW RADAR SYSTEM 失效
公开(公告)号：JP2002062355A
公开(公告)日：2002-02-28
申请号：JP2000246431
申请日：2000-08-15
申请人： FUJITSU TEN LTD , FUJITSU LTD
发明人： KAJIOKA HIDEKI , KISHIDA MASAYUKI , YAMANO SHINICHI , ISAJI OSAMU , NINOMIYA TERUNAO
IPC分类号： G01S13/34 , G01S7/35
摘要： PROBLEM TO BE SOLVED: To provide a modulation signal generator, which decrease the circuit scale of a correcting circuit particularly for triangular wave modulation signals, and at the same time, reduces distance/velocity errors in relation to an FM-CW radar. SOLUTION: The modulation signal generator FM modulates the outputs of a voltage-controlled oscillator in the FM-CW radar system. The apparatus is constituted of a gradient data output part for holding and outputting frequency gradient data showing a frequency transition of modulation signals, after each lapse of a prescribed time as digital data, a analog-analog converter for converting the frequency gradient data outputted from the gradient data output part into corresponding analog gradient step signals, and an integrating circuit for sequentially integrating gradient step signals from the digital/analog converter, thereby generating modulation signals.

4. 发明专利

JPH0886871A DISTANCE MEASURING APPARATUS 失效
公开(公告)号：JPH0886871A
公开(公告)日：1996-04-02
申请号：JP22281494
申请日：1994-09-19
申请人： FUJITSU TEN LTD
发明人： KAJIOKA HIDEKI , FUJIMURA KEIJI
IPC分类号： G01S7/48 , G01S17/10 , G01S17/93
摘要： PURPOSE: To simply and effectively reduce the dispersion of measured distance values without improving a component accuracy by correcting the measurement error of the raw distance pulse obtained by multiplying a distance pulse. CONSTITUTION: A transmitter 50 which inputs a trigger signal TRG radiates a laser pulse 51 toward an object to be measured. Simultaneously, it outputs a transmission pulse TX0 , which is waveform-shaped by a waveform shaper 71, and the resultant pulse TX sets an RSFF 73. The pulse RX obtained by waveform-shaping the reception pulse RX0 received by a receiver 60 from the reflected laser pulse 61 of the object to be measured by a waveform shaper 72 resets an FF 73. A distance pulse DP output form an output unit 73 based on the pulses TX, RX is multiplied by a multiplier 11 to be a raw distance pulse NDP, the measurement error of which due to the bias error, etc., of the pulse NDP is corrected by an error corrector 12 to form a corrected distance pulse CDP. This pulse width is counted by a pulse-width counter 13, and the distance to the object to be measured is calculated by a calculator 14. Thus, the dispersion of the measured values due to the intrinsic bias error can be simply and effectively reduced even without improving the component accuracy.

5. 发明专利

JPH07129900A OBSTACLE DETECTING DEVICE FOR VEHICLE 失效
公开(公告)号：JPH07129900A
公开(公告)日：1995-05-19
申请号：JP27709993
申请日：1993-11-05
申请人： FUJITSU TEN LTD
发明人： KAJIOKA HIDEKI
IPC分类号： G08G1/16 , G01S13/93 , G01S17/93
摘要： PURPOSE:To improve response and make a detection area changeable by varying a threshold value according to the environmental state of the periphery to this vehicle or the travel state of this vehicle. CONSTITUTION:An environmental state detecting means 5 detects the environmental state of the periphery to this vehicle and a travel state detecting means 6 detects the travel state of this vehicle. On the basis of those detection results, the threshold value for invalidating a distance value detected from the level of a reflected wave from a front obstacle 10 is made variable according to the environmental state (weather state such as rain, snow, and fog, and daytime or nighttime) of the periphery to this vehicle or the travel state (curve road travel, city travel, freeway travel, etc.) of this vehicle. Consequently, the response is improved and the detection area can be made changeable without increasing the cost and making the device large in size.

6. 发明专利

JPH06347551A DISTANCE MEASURING INSTRUMENT 失效
公开(公告)号：JPH06347551A
公开(公告)日：1994-12-22
申请号：JP13477893
申请日：1993-06-04
申请人： FUJITSU TEN LTD
发明人： KAJIOKA HIDEKI
IPC分类号： G01B11/00 , G01C3/06 , G01S17/10 , G01S17/88 , G01S17/93
摘要： PURPOSE:To provide a distance measuring instrument which can easily align optical axis without using a universal measuring instrument such as an oscilloscope and a voltmeter. CONSTITUTION:In the instrument with a light emitting part 32, a light reception part 34, a detection part 40 which is constituted of a detection circuit 36, an A/D converter 37 etc., a distance display part 38, a microcomputer 11 etc., and a means for compensating distance measurement value for compensating distance measurement value according to the reception level detected by the detection part 40, a optical axis monitor switch SW1 is connected to a microcomputer 11 and a level monitoring means (microcomputer 11) for adjusting optical axis which displays the reception level output from the detection part 40 by turning on the optical axis monitor switch SW1 is provided.

7. 发明专利

JP2011174720A Radar device, object detection system, and object detection method 有权
标题翻译：雷达装置，对象检测系统和对象检测方法
公开(公告)号：JP2011174720A
公开(公告)日：2011-09-08
申请号：JP2010036989
申请日：2010-02-23
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： SHIBATA SHINICHI , KAJIOKA HIDEKI , ISHIMORI HIROYUKI
IPC分类号： G01S13/93 , G08G1/16
CPC分类号： G01S13/931 , G01S13/345 , G01S13/536 , G01S2013/9342 , G01S2013/9346 , G01S2013/935 , G01S2013/9353 , G01S2013/9375 , G01S2013/9389
摘要： PROBLEM TO BE SOLVED: To provide a technique for preventing a radar device from erroneously determining different pieces of object information as a single object.
SOLUTION: A detection point second-closest to the vehicle next to a representative detection point detected in a first scanning is set as a representative detection point in a second scanning when the representative detection point in the first scanning is not present in the second scanning. It is determined that the first representative detection point and the second representative detection point are information of different objects when the second representative detection point exists at a position distant from a position of the representative detection point in the first scanning by equal to or more than a predetermined distance. Accordingly, erroneous determination of the movement direction of an object caused by determining different pieces of object information as a single object is prevented.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于防止雷达装置将对象信息的不同片段错误地确定为单个对象的技术。解决方案：当第一次扫描中的代表性检测点不存在于第一扫描中时，在第二次扫描中将与第一次扫描中检测到的代表性检测点相邻的最靠近车辆的检测点设置为代表性检测点第二次扫描。确定第一代表性检测点和第二代表性检测点是当第二代表性检测点存在于远离第一扫描中的代表性检测点的位置的位置处于等于或大于预定距离。因此，防止了通过将不同对象信息确定为单个对象而导致的对象的移动方向的错误确定。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JPH07159538A ILLUMINATING TYPE RANGE-FINDING DEVICE 失效
公开(公告)号：JPH07159538A
公开(公告)日：1995-06-23
申请号：JP34003093
申请日：1993-12-07
申请人： COPAL CO LTD , FUJITSU TEN LTD
发明人： ISHII TAKESHI , SASAKI TATSUO , SAKAUCHI IKUO , FUJIMURA KEIJI , KAJIOKA HIDEKI
IPC分类号： G01B11/00 , G01C3/06 , G01S17/10 , G01S17/93
摘要： PURPOSE:To optimize the detection area of an illuminating type range-finding represented by an optical intervehicular distance meter. CONSTITUTION:The optical intervehicular distance meter is mounted in a running vehicle body and includes a pair of projection means 1 and reception means 2. The projection means 1 projects within a predetermined illuminating angle range a primary beam 5 including center luminous flux 3 and marginal luminous flux 4 toward a target vehicle body located in a predetermined range. The reception means 2 receives a secondary beam 10 reflected from the target object and measures the time required for the secondary beam to return, thereby measuring the intervehicular distance. The projection means 1 is provided with a liquid crystal filter 15 whereby the intensity of the marginal luminous flux 4 is variably lowered. Thereby, in a long range, the marginal luminous flux 4 is made ineffective while the center luminous flux 3 is kept effective so as to narrow an effective illuminating angle range. On the other hand, in a short range, the marginal luminous flux 4 is held effective to widen an effective illuminating angle range CA. Further, a control circuit 17 which adjusts the intensity of the marginal luminous flux 4 by controlling the liquid crystal filter 15, is provided so that the effective illuminating angle range can be set to the optimum.

9. 发明专利

JP2011069710A Signal processor, radar apparatus, object detection system, signal processing method, and program 审中-公开
标题翻译：信号处理器，雷达设备，对象检测系统，信号处理方法和程序
公开(公告)号：JP2011069710A
公开(公告)日：2011-04-07
申请号：JP2009220745
申请日：2009-09-25
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： SHIBATA SHINICHI , KAJIOKA HIDEKI
IPC分类号： G01S13/34 , G01S13/93
CPC分类号： G01S13/345 , G01S13/726 , G01S13/931 , G01S2013/9346 , G01S2013/9353 , G01S2013/9375 , G01S2013/9378 , G01S2013/9389
摘要： PROBLEM TO BE SOLVED: To provide a technology for detecting mispairing of moving object data.
SOLUTION: If object data are present within a predetermined determination area range centered at the newly-detected moving object data, the newly-detected moving object data are considered as the erroneous object data due to the mispairing, and the pairing is implemented again. The mispairing is judged early by using a few to-be-determined objects to prevent an erroneous vehicle control so that the safety of a vehicle user can be ensured.
COPYRIGHT: (C)2011,JPO&INPIT

10. 发明专利

JP2004347512A Radar for use in car, its mounting direction regulator, and its mounting direction regulation method 有权
公开(公告)号：JP2004347512A
公开(公告)日：2004-12-09
申请号：JP2003146197
申请日：2003-05-23
申请人： Fujitsu Ten Ltd , 富士通テン株式会社
发明人： ISAJI OSAMU , KAJIOKA HIDEKI , HATANAKA NORIHIKO
IPC分类号： G01S7/40 , G01S13/93
CPC分类号： G01S7/4026 , G01S7/4972 , G01S2007/403 , G01S2007/4034
摘要： PROBLEM TO BE SOLVED: To provide a direction regulation method for a radar for use in a car which is simple in its regulation and with low cost.
SOLUTION: When attaching a case 2 of the radar for use in the car 1 to a car body 5, a level 3 is attached to the reference plane of the case 2 and mounted while adjusting the level 3 so as to indicate the horizontal level. A beam axis 1a has to be set to orient in the predetermined direction, its allowable tilt angle accuracy is within 1 to 2°. When assembling its measuring part to the case 2, it is very difficult to realize the accuracy. An amount of a gap is predetermined, a correction member 4 is mounted on the reference plane 2a, then the correction of the gap is performed by mounting the level 3 on the reference planes 4a, 4b, 4c of the correction member 4. When attaching the radar for use in the car 1 in a radiator grille of the car body 5, the direction of the beam axis 1a coincides with the reference direction, such as the parallel direction to a surface of a horizontal road surface 6 by regulating as the level 3 shows horizontal.
COPYRIGHT: (C)2005,JPO&NCIPI

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