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11. 发明专利

JPH04204167A TRANSMITTER FOR BEACON SYSTEM ON ROAD 失效
公开(公告)号：JPH04204167A
公开(公告)日：1992-07-24
申请号：JP33070690
申请日：1990-11-30
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： ITO HIROSHI , SEKI HAJIME , KOBAYASHI ISAO , HORII SHIRO , NOTO YASUO
IPC分类号： G08G1/09 , G01S1/68
摘要： PURPOSE:To suppress the high-frequency noises generated in a transmitter sufficiently and to improve the reliability of the transmitter on the road by forming a data processing part, a data-signal modulating part and a high frequency part as modules, respectively. CONSTITUTION:A data processing part module 15, a data-signal modulating part module 16 and a high-frequency part module 17 constituting the transmitter are provided, respectively. The arranging positions of the modules are made to occupy the closest positions to connector parts 24 and 25 to the antenna on the road. Since each part is made to be module in this way, the reduction in number of parts and the compact configuration can be achieved. Furthermore, since the mounting position of the high-frequency part module 17 in a cabinet 11 is located at the closest position to the connector 24, the module 17 occupies the closest position to the cable lead-out part to the antenna. Therefore, the high-frequency noises generated in the high frequency part of the transmitter can be sufficiently suppressed, and the high reliability can be obtained.

12. 发明专利

JPH03295309A SEARCH SYSTEM FOR PRESET CHANNEL 失效
公开(公告)号：JPH03295309A
公开(公告)日：1991-12-26
申请号：JP9646690
申请日：1990-04-13
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： OTANI HIDEHIRO , HORII SHIRO
IPC分类号： H03J7/18
摘要： PURPOSE:To select an objective channel in a short time without taking time to search for a duplicated station by skipping the preset channel of the same station at the time of preset searching. CONSTITUTION:When a preset scan switch 4 is inputted, a microcomputer 2 searches successively for preset stations stored in its inside. At the time of the search for the preset station, the microcomputer 2 decides whether the same station as the station at present was searched for before or not, and if the same station was not searched for before, it keeps that section in a receiving state for a fixed time. On the contrary, if the same station was searched for before, it skips that station, and searches for the next station. Thus, the same station is never searched for repeatedly, and the preset channel station can be searched for in a shortest time, and the channel selecting operation can be executed in a short time.

13. 发明专利

JPH08293092A OPTICAL COMMUNICATION EQUIPMENT 失效
公开(公告)号：JPH08293092A
公开(公告)日：1996-11-05
申请号：JP9476895
申请日：1995-04-20
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： ARAKI HIROSHI , EBISAWA MAKOTO , HORII SHIRO
IPC分类号： G08G1/09 , B60W30/00
摘要： PURPOSE: To provide the optical communication equipment which is small-sized, light-weight, and low-cost and is easily set to a vehicle by each user by providing an optical transmission/reception part in the optical communication equipment on the vehicle to install it within the wiping range of the viper of the front window and transmitting and receiving data by a control part including a microcomputer. CONSTITUTION: An optical vehicle sensor 33 is installed in each traffic lane of a road; and when a vehicle enters a communication area 32, two-way communication with the communication equipment on the vehicle is performed. The optical transmission/reception part of the optical vehicle sensor 33 is installed within the wiping range 12 of the wiper in the compartment indicated by oblique lines. The optical transmission/reception part receives near infrared rays emitted from the lnfra-side optical vehicle sensor 33 to obtain external information and emits near infrared rays to the infra-side optical vehicle sensor 33 to transmit vehicle information. Thus, the vehicle can quickly arrive at the communication area placed ahead, and the loss of light due to dirt of water drops, mist, a cloud of sand, mud, snow, etc., on the outside of the front window is prevented.

14. 发明专利

JPH07270513A BEACON TERMINAL DEVICE 失效
公开(公告)号：JPH07270513A
公开(公告)日：1995-10-20
申请号：JP6121194
申请日：1994-03-30
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： ARAKI HIROSHI , HORII SHIRO , SAKAMOTO TOSHIYUKI , TANAKA YASUNARI , NAGASHIMA TOSHIO , HATASHITA HIROSHI , TAKAHASHI JUNICHI
IPC分类号： B60R16/02 , G01S1/70 , G08G1/09 , H04B1/16 , H04B7/26
摘要： PURPOSE:To provide a beacon terminal device which can be miniaturized by equipping, in one piece, the signal reception parts of a light beacon and an electric wave beacon so that they can be received, and commonly using the processing part of the beacon signals and utilizing a TV receiver mounted inside a vehicle. CONSTITUTION:The device is in a double stage configuration with a communication module 1 and a data module 2 and the communication module 1 is provided with a configuration related to the communication of a light beacon signal and an electric wave beacon signal and the transmission/reception part and a signal processing part of light and electric wave beacons. The data module 2 receives a signal which is received and processed by the communication module 1 and is provided with an image processing part, an audio signal processing part, and an RF converter for transmitting information included in the signal to a user.

15. 发明专利

JPH02205108A RECEPTION STEP SWITCHING DEVICE 失效
公开(公告)号：JPH02205108A
公开(公告)日：1990-08-15
申请号：JP2390089
申请日：1989-02-03
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： OTANI HIDEHIRO , HORII SHIRO , HONDO ICHIRO
IPC分类号： H03J7/20
摘要： PURPOSE:To switch a reception step even when no automatic channel selection is performed and to attain inexpensiveness by providing a means to detect the input of constant time of a specific switch and to switch the reception step of an AM band at that time. CONSTITUTION:It is assumed that the lapse of 30 seconds of switch ON time is decided by a switch ON time decision means 21, and also, a step of 9kHz is selected. Then, a first digital signal generating means 24 is operated, and a digital signal with first step width decided in advance is outputted sequentially. The digital signal is sent to a PLL circuit 26. As a result, a DC voltage (b) i.e. the DC voltage (b) having a step of 0.11V is outputted from an LPF 12, and is inputted to a local oscillator 8. Consequently, a local oscillation frequency (c) with a step of, for example, 990kHz, 999kHz, or 1008kHz, etc., and 9kHz is outputted from the local oscillator 8. Therefore, an AM radio can receive a wave with the step of 9kHz. Similarly, it can be performed with a step of 10kHz.

16. 发明专利

JPH01319312A AUDIO EQUIPMENT WITH ELECTRONIC GRAPHIC EQUALIZER FUNCTION 失效
公开(公告)号：JPH01319312A
公开(公告)日：1989-12-25
申请号：JP15113888
申请日：1988-06-21
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： OZAWA HIROSHI , HORII SHIRO , HONDO ICHIRO
IPC分类号： H03G1/00 , H03G5/02
摘要： PURPOSE:To easily obtain a frequency characteristic in matching with the shape of space and the sound source by storing the 1st frequency characteristic group correcting a difference in the sound field characteristic and the 2nd frequency characteristic group proper to the kind if the sound source and synthesizing selected frequency characteristics. CONSTITUTION:A data (1st frequency characteristic group) relating to the frequency characteristic correcting the acoustic characteristic to a value suitable for the shape of space in a car body is stored in a storage device 12 by data by type of automobile and a data (2nd frequency characteristic group) relating to the frequency characteristic correcting the acoustic characteristic to a value suitable for the case with the classification by music is stored in a storage device 14 by data by MJNL. Then the selected two frequency characteristics are added to obtain a synthesized frequency characteristic and to reproduce the music or the like based on the synthesized frequency characteristic. Thus, the user has only to select a characteristic closest to the characteristic correcting the present sound field characteristic from the 1st frequency characteristic group and to select the frequency characteristic in matching with kind of sound source thereby simplifying the operation.

17. 发明专利

JPH01282911A AUDIO EQUIPMENT WITH ELECTRONIC GRAPHIC EQUALIZER 失效
公开(公告)号：JPH01282911A
公开(公告)日：1989-11-14
申请号：JP11212788
申请日：1988-05-09
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： OZAWA HIROSHI , HORII SHIRO , HONDO ICHIRO
IPC分类号： H03G5/02
摘要： PURPOSE:To simplify the operation, to improve the space efficiency and to reduce the cost by providing a means discriminating number of times of depression of a key switch and applying start or stop of cyclic readout depending whether number of times of depression is an odd number or an even number. CONSTITUTION:With a key switch 2 depressed once, a graphic equalizer decoder cyclic readout means 22 including a preset memory storing a data of a graphic equalizer curve starts its operation. Then a sequential data is read and outputted from the preset memory for each prescribed time. The data output is started again from the beginning when the data readout stored in advance is circulated. When a desired equalizer curve is displayed on a display device and the key switch 2 is depressed again, the operation of the graphic equalizer data cyclic readout means 22 is stopped and the data at that time is consecutively outputted. Then the desired equalizer curve is set by having only to operate a single key switch twice.

18. 发明专利

JPH08315288A ON-VEHICLE TERMINAL EQUIPMENT OF ROAD TRAFFIC INFORMATION COMMUNICATION SYSTEM 失效
公开(公告)号：JPH08315288A
公开(公告)日：1996-11-29
申请号：JP11681195
申请日：1995-05-16
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： UCHIDA JUNJI , ARAKI HIROSHI , HORII SHIRO
IPC分类号： G08G1/09 , G08G1/0969
摘要： PURPOSE: To reduce radio wave beacon position misdetection and control the timing of transmission to and reception from a light beacon on-road machine by enabling the on-vehicle machine, which is so constituted as to recognize the speed of the vehicle on which it is mounted by a communication with a navigation unit, to measure the travel distance. CONSTITUTION: The system has the navigation unit 102 which inputs data from various sensors and a communication signal line 301 used to inform the on- vehicle machine 101 of vehicle speed information interpreted by the navigation unit. The on-vehicle machine 101 has a timer for measuring the travel distance from the received vehicle speed information and is so constituted to reduce misdetection due to a multipath or leak radio wave of the radio wave beacon and control the timing of transmission to and reception from the light beacon on-road machine according to the measured travel distance.

19. 发明专利

JPH0799509A DATA TRANSFER DEVICE FOR MOBILE COMMUNICATION 失效
公开(公告)号：JPH0799509A
公开(公告)日：1995-04-11
申请号：JP22314793
申请日：1993-09-08
申请人： HITACHI LTD , HITACHI AUTOMOTIVE ENG
发明人： UCHIDA JUNJI , SAKAMOTO TOSHIYUKI , HORII SHIRO
IPC分类号： G08G1/09 , G08G1/0968 , H04B7/26 , H04L13/08
摘要： PURPOSE:To allow a microcomputer to be operated as usual while serial data are converted into parallel data even in the state of data reception and to attain DMA transfer immediately at a point of time when serial/parallel conversion of data is finished. CONSTITUTION:Every time conversion of data to be transferred to a RAM 8 is finished, a control right of an address and data bus 7 takes over to a gate array 4 from a microcomputer 9 and data are transferred by direct memory access(DMA). Thus, the pause the time of the microcomputer during data reception is minimized and the delay in data display is sufficiently reduced.

20. 发明专利

JP2007176373A Apparatus and method for inspecting vehicle 审中-公开
标题翻译：用于检查车辆的装置和方法
公开(公告)号：JP2007176373A
公开(公告)日：2007-07-12
申请号：JP2005378168
申请日：2005-12-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： EBISAWA TOSHIO , ABE KOJI , OKAWA AKIHIRO , HORII SHIRO
IPC分类号： B60S5/00 , G06Q50/00 , G06Q50/10
摘要： PROBLEM TO BE SOLVED: To provide a vehicle inspection apparatus which can reduce the opportunity for detecting defects during a travel as much as possible while coping with the increase of the number of inspection items caused by the tendency of the electronic control of vehicles or while improving the accuracy of preventive safety. SOLUTION: Inspected information collected from devices arranged in the vehicle 4 in a wirelessly connectable area, such as a parking area 5, is transmitted to an information processing unit 14 via the vehicle inspection unit 3, a wireless transmitting/receiving unit 7, a local network 9, an internet web 11, and a network in a service center 13. The inspected result information formed based on the inspected information by the information processing unit 14 is transmitted to the vehicle inspection unit 3 arranged in the vehicle via the network in the service center 13, the internet web 11, the local network 9, and wireless transmitting/receiving unit 7. The inspected result information is shown on a display mounted on the vehicle 4. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种车辆检查装置，其可以在应对由于车辆的电子控制的趋势引起的检查项目数量的增加的同时尽可能地减少在行驶期间检测缺陷的机会或提高预防安全的准确性。
解决方案：通过车辆检查单元3，无线发送/接收单元7向信息处理单元14发送检查从布置在车辆4中的设备收集的信息在诸如停车区域5的无线可连接区域中，本地网络9，互联网11和服务中心13中的网络。由信息处理单元14基于检查信息形成的检查结果信息经由布置在车辆中的车辆检查单元3经由服务中心13，互联网11，本地网9和无线发送/接收单元7的网络。检查结果信息显示在安装在车辆4上的显示器上。（C）2007年， JPO＆INPIT

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