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31. 发明专利

DE19850639A1 Vehicle radar system 未知
公开(公告)号：DE19850639A1
公开(公告)日：1999-05-27
申请号：DE19850639
申请日：1998-11-03
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： BAI JIE , MONJI TATSUHIKO , NAKAMURA MITSURU , TAKANO KAZUAKI
IPC分类号： B60R21/00 , B60S1/04 , B60S1/24 , B60S1/48 , B60S1/54 , B60S1/56 , B60W30/00 , G01S7/03 , G01S13/86 , G01S13/93 , G01S7/00
摘要： Fixed to a vehicle bumper (2), a radar aerial (3) uses dwarf radio waves. Controlled by a radar signal processing unit (4), an alarm device (5) sets off an alarm whenever there is a dangerous distance between the vehicle and another vehicle traveling ahead. Designed with feeder perforations, a film (6) forms a continuous belt fitted in front of the radar aerial to prevent snow, ice and dust from sticking to the aerial.

32. 发明专利

DK590386A 未知
公开(公告)号：DK590386A
公开(公告)日：1988-06-10
申请号：DK590386
申请日：1986-12-09
申请人： HITACHI LTD
发明人： NAKAMURA YOZO , NAKAMURA MITSURU , MACHIDA SIGERU , ENDO TSUNEHIRO , HATA HIROAKI
IPC分类号： F25B49/00 , G05D20060101 , G05D13/62 , G05D17/00 , G05D17/02 , G05D19/02 , H02P20060101 , H02P7/00 , H02P7/285
摘要： A torque control apparatus for a compressor driven by a motor by means of a main shaft, in which variations of the rotation speed of the main shaft due to torque variations are detected at selected angular positions of rotation of the main shaft. Current values to be supplied to the motor for eliminating the rotation speed variations depending on the angular positions of rotation of the main shaft are computed and stored during at least one revolution of the main shaft, and, in the next revolution of the main shaft, that is to say when the main shaft rotates to a 360 degree advanced angular position, the motor current is controlled on the basis of the current values supplied for at least one revolution of the main shaft, thereby eliminating variations of the rotation speed of the main shaft.

33. 发明公开

EP1314998A4 RADAR APPARATUS 审中-公开
标题翻译： RADARGERDT
公开(公告)号：EP1314998A4
公开(公告)日：2004-11-03
申请号：EP00956791
申请日：2000-08-30
申请人： HITACHI LTD
发明人： KURODA HIROSHI , TAKANO KAZUAKI , NAKAMURA MITSURU
IPC分类号： G01S7/35 , G01S13/34 , G01S13/536 , G01S13/58 , G01S13/93
CPC分类号： G01S13/347 , G01S7/352 , G01S13/345 , G01S13/348 , G01S13/536 , G01S13/584 , G01S13/931 , G01S2007/356 , G01S2013/9321 , G01S2013/9325 , G01S2013/9346 , G01S2013/935 , G01S2013/9353 , G01S2013/9357 , G01S2013/9375
摘要： The invention provides a radar apparatus that transmits radio waves and receives the echoes of the transmitted radio waves. The radar apparatus comprises receiver means for detecting the beat resulted from the echoes and the transmitted waves; first frequency analysis means for separating the beat into frequency components to detect a peak signal in the resulting frequency spectrum; and second frequency analysis means for separating the beat into frequency components using a frequency resolution different from that of the first frequency analysis means to detect a peak in the resulting frequency spectrum.
摘要翻译：本发明提供一种发射无线电波并接收发射的无线电波的回波的雷达设备。雷达设备包括：接收器装置，用于检测由回声和发射波引起的拍子; 第一频率分析装置，用于将拍频分成频率分量以检测所得频谱中的峰值信号; 以及第二频率分析装置，用于使用不同于第一频率分析装置的频率分辨率的频率分辨率将节拍分成频率分量，以检测所得频谱中的峰值。

34. 发明公开

EP1253441A4 DISTANCE MEASURING DEVICE 有权
标题翻译： ENTFERNUNGSMESSGERÄT
公开(公告)号：EP1253441A4
公开(公告)日：2008-12-31
申请号：EP00993805
申请日：2000-01-28
申请人： HITACHI LTD
发明人： KURODA HIROSHI , TAKANO KAZUAKI , NAKAMURA MITSURU
IPC分类号： G01S13/34 , G01S13/536 , G01S13/58 , G01S13/93
CPC分类号： G01S13/348 , G01S13/536 , G01S13/584 , G01S13/931 , G01S2013/462 , G01S2013/9375
摘要： From a transmitter (18) and a transmission antenna (10), a first frequency signal of a constant first frequency is transmitted for more than a predetermined time, a second frequency signal of a second frequency different by a certain value from the first frequency is transmitted for more than a predetermined time, and a third frequency signal of a third frequency different from the first frequency by twice the certain value is transmitted for more than a predetermined time. Signals of the transmission frequencies reflected from measurement objects are fed to a receiving antenna (11), a mixer (12), an analog circuit section (13), an A/D converter (14), an FFT (15), and a signal processing section (16). The Doppler frequencies of the reflected waves are determined, and the objects are separately detected for every Doppler frequency. Based on the information on the phase and amplitude of the received signal of each transmission frequency, the objects of the same Doppler frequency are separated and identified. In such a way, even when measurement objects moving at substantially the same relative speed are present, they can be separately detected.
摘要翻译：从发射机（18）和发射天线（10）发射恒定的第一频率的第一频率信号超过预定时间，与第一频率相差一定值的第二频率的第二频率信号是发送超过预定时间，并且以不同于第一频率的第三频率的第三频率信号发送预定时间以上的特定值的两倍。从测量对象反射的发射频率的信号被馈送到接收天线11，混频器12，模拟电路部分13，A / D转换器14，FFT（15）和信号处理部分（16）。确定反射波的多普勒频率，并且针对每个多普勒频率分别检测物体。根据每个发射频率的接收信号的相位和幅度的信息，分离和识别相同多普勒频率的目标。以这种方式，即使存在以基本上相同的相对速度移动的测量对象，也可以分别检测它们。

35. 发明公开

EP1078803A4 VEHICLE AND DEVICE AND METHOD FOR CONTROLLING RUNNING OF THE SAME 有权
标题翻译：车辆以及设备和驱动方法相同的控制
公开(公告)号：EP1078803A4
公开(公告)日：2005-11-16
申请号：EP98957134
申请日：1998-12-02
申请人： HITACHI LTD
发明人： MINOWA TOSHIMICHI , NAKAMURA KOZO , TAKENAGA HIROSHI , ENDO YOSHINORI , MORIZANE HIROTO , YOSHIKAWA TOKUJI , NAKAMURA MITSURU , KOMURO RYOICHI
IPC分类号： B60K31/00 , B60W10/00 , B60W10/04 , B60W10/06 , B60W10/10 , B60W10/18 , B60W10/184 , B60W30/00 , F02D29/02 , G08G1/09 , G08G1/16 , B60K41/28
CPC分类号： B60K31/0058 , B60K31/0008 , B60W2520/14 , B60W2540/10 , B60W2550/10 , B60W2550/20 , B60W2550/402
摘要： A vehicle which has a first running mode in which the frontward running environment of the vehicle is recognized and at least one of the engine, change gear, and brake of the vehicle is controlled based on the recognizing signal and a second running mode in which at least one of the engine, change gear, and brake is controlled based on a signal generated by the driver of the vehicle, and which is adapted to select the second running mode in such an area that the follow-up control of the vehicle is difficult.

36. 发明专利

JP2006222870A UPDATING METHOD OF CENTRAL CENTRALIZED MANAGEMENT TYPE INFORMATION PROCESSING SYSTEM AND CENTRAL CENTRALIZED MANAGEMENT TYPE INFORMATION PROCESSING SYSTEM 审中-公开
公开(公告)号：JP2006222870A
公开(公告)日：2006-08-24
申请号：JP2005036316
申请日：2005-02-14
申请人： HITACHI LTD
发明人： HAYAMIZU HIDETAKA , NAMIKATA KIYONORI , NAKAMURA MITSURU
IPC分类号： H04L12/28
摘要： PROBLEM TO BE SOLVED: To provide a central centralized management type information processing system capable of performing a function change of a system component such as a terminal station at an optional time without damaging the entire system functions. SOLUTION: In this updating method of the central centralized management type information processing system provided with a center device 1 and a plurality of terminal stations 11 to 19 connected to the center device through signal transmission paths 2 and 4, the terminal stations are occasionally updated to be the terminal stations that have unupdated information processing functions and updated information processing functions, and the updated terminal stations are configured to execute the unupdated information processing functions to a command with a conventional address attached thereto and execute the updated information processing functions to a command with a new address attached thereto. COPYRIGHT: (C)2006,JPO&NCIPI

37. 发明专利

JP2002267750A ON-VEHICLE RADAR EQUIPMENT OF RADIO WAVE TYPE 失效
公开(公告)号：JP2002267750A
公开(公告)日：2002-09-18
申请号：JP2000374683
申请日：2000-12-05
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： SUZUKI MITSUSHIGE , TAKANO KAZURO , NAKAMURA MITSURU
IPC分类号： G01S13/93 , G01S7/03
摘要： PROBLEM TO BE SOLVED: To detect an advancing angle of an own vehicle only by a radar system. SOLUTION: Structure of this equipment is constituted to hold in paralle or at a specified angle each other an electromagnetic wave transceiving face of an electromagnetic wave transceiving means for transmitting an electromagnetic wave toward a front side of the system to receive a reflected wave from a target body, an angular velocity detecting rotary shaft of an angular velocity detecting means built in the system to detect an advancing-directional angle of the own vehicle, and a body attaching face of a sheathing means built in with the electromagnetic wave transceiving means and the angular velocity detecting means, and is constituted to keep a specified angle with respect to a body advancing direction when the own vehicle travels on a flat ground having 0 deg. of slope angle at 0 deg. of advancing angle.

38. 发明专利

JPH11264868A DISPLAY DEVICE FOR VEHICLE 失效
公开(公告)号：JPH11264868A
公开(公告)日：1999-09-28
申请号：JP6680098
申请日：1998-03-17
申请人： HITACHI LTD
发明人： YOSHIKAWA TOKUJI , TAKENAGA HIROSHI , ENDO YOSHINORI , MORISANE HIROTO , MINOWA TOSHIMICHI , NAKAMURA MITSURU , NAKAMURA KOZO
IPC分类号： G01C21/00 , B60W30/00 , G01B11/00 , G01C15/00 , G01S13/86 , G08G1/0969
摘要： PROBLEM TO BE SOLVED: To provide a display device for vehicle that is easy to make an actual vehicle correspond to a vehicle mark being displayed and can display conditions around its own vehicle in a form that can be easily grasped, in the display device of a vehicle for displaying the conditions around the vehicle using the vehicle mark and the like. SOLUTION: The display device for a vehicle is provided with an image-processing means 101 for recognizing a vehicle line position and another vehicle according to an image that is picked up by shooting conditions around an own vehicle, a vehicle position detection means 102 for detecting the position of another vehicle that exists at both surroundings of the own vehicle detecting the reflection waves of electromagnetic waves that are emitted toward a region to be prospected, a display-processing means 104 for generating image data for displaying a vehicle mark that is arranged at the vehicle position being detected by the vehicle position detection means 102 by overlapping to an image for indicating the vehicle line that is recognized by the image-processing means 101. Also, the display-processing means 104 is provided with a means for correcting the position of the vehicle mark to be displayed in the above according to a judgment result by judging whether another vehicle being recognized by the image-processing means 101 cross a white line for prescribing the vehicle line that is recognized in the above, or not.

39. 发明专利

JPH11142514A ON-VEHICLE RADAR SYSTEM 失效
公开(公告)号：JPH11142514A
公开(公告)日：1999-05-28
申请号：JP30285397
申请日：1997-11-05
申请人： HITACHI LTD , HITACHI CAR ENG CO LTD
发明人： HAKU TAKASHI , MOJI TATSUHIKO , NAKAMURA MITSURU , TAKANO KAZURO
IPC分类号： B60R21/00 , B60S1/04 , B60S1/24 , B60S1/48 , B60S1/54 , B60S1/56 , B60W30/00 , G01S7/03 , G01S13/86 , G01S13/93
摘要： PROBLEM TO BE SOLVED: To provide a radar system wherein, even under such bad weather environment as snow fall, a distance from a preceding car and a relative speed are always accurately obtained. SOLUTION: A porous film 6 is circulated before a radar antenna 3, and snow, etc., sticking to the porous film 6 is taken away with brushes 10 and 11, and using an external temperature sensor 15, a wiper sensor 16, and a on- vehicle receiver 17, information on snow, rain, etc., are taken in, to control start and stock of operation as well as rotation speed of a motor 12 which drives the porous film 6. In addition, with a snow-shielding plate provided before the radar antenna, a method wherein its surface is wiped away with a wiper or a washing liquid is sprayed, method wherein hot water or hot blast heats it, or a method using a wind power may be employed. Further, with combination of them, a function for removing snow fall, rain drop, or stain sticking to the surface of the radar antenna may be provided.

40. 发明专利

JPH08275381A DEVICE FOR CUTTING OFF ACCIDENT SECTION OF DISTRIBUTION LINE 失效
公开(公告)号：JPH08275381A
公开(公告)日：1996-10-18
申请号：JP7782495
申请日：1995-04-03
申请人： HITACHI LTD
发明人： NAKAMURA MITSURU , NISHIJIMA KAZUO , KAWASE MINORU
IPC分类号： H02H7/22 , H02H7/26
摘要： PURPOSE: To prevent unnecessary operation of an accident switch by starting an accident section cutoff device only when a protective relay detects an acci dent, in an accident section cutoff device which can stop the power only in the accident section in case of a permanent accident, without causing a power stoppage section with a restorative accident. CONSTITUTION: In an accident F occurs in the section L3 of a distribution line, the key station M outputs each operation command to open a section switch SW3 on the condition that abutting switch SW6 is turned on, a section switch S22 is open, and that the accident is continuous, before the open output signal of a breaker FCB1 is outputted, only when it has received the accident detection signal from the slave station K2 of a section switch SW2 and the accident detection signal from a protective relay RY1.

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