专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明专利

JP2012044493A Communication device 有权
标题翻译：通信设备
公开(公告)号：JP2012044493A
公开(公告)日：2012-03-01
申请号：JP2010184550
申请日：2010-08-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUMOTO NORITAKE , YAMADA TSUTOMU , SHIMOYAMA KAZUYA , SATO YOSHITO
IPC分类号： H04L12/66 , H04L12/701
CPC分类号： H04L61/103 , H04L29/12028 , H04L69/08
摘要： PROBLEM TO BE SOLVED: To improve real-time property reducing processing time required when different protocols for wireless or wired communication are mutually converted.SOLUTION: A communication device of the invention comprises: multiple communication means for communicating with multiple external devices; and a communication control unit for processing communication data. The communication control unit includes: table information associating a communication route and a type of communication means with conversion information; and input and output means for inputting and outputting the table information. According to given conversion information, conversion means performs, in order, every kind of conversion processing (protocol conversion, routing, communication quality evaluation, division/integration of communication interfaces, fragment/defragment processing, frame multiplexing/integration, frequency setting, etc).
摘要翻译：要解决的问题：为了提高无线或有线通信的不同协议相互转换所需的实时性降低处理时间。解决方案：本发明的通信设备包括：多个通信装置，用于与多个外部设备进行通信; 以及用于处理通信数据的通信控制单元。通信控制单元包括：将通信路由与通信装置的类型与转换信息相关联的表信息; 以及用于输入和输出表格信息的输入和输出装置。根据给定的转换信息，转换装置按顺序执行各种转换处理（协议转换，路由，通信质量评估，通信接口的分割/集成，片段/碎片整理处理，帧多路复用/集成，频率设置等）。版权所有（C）2012，JPO＆INPIT

32. 发明专利

JP2011009975A Radio communication apparatus and radio communication method 有权
标题翻译：无线电通信设备和无线电通信方法
公开(公告)号：JP2011009975A
公开(公告)日：2011-01-13
申请号：JP2009150442
申请日：2009-06-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMADA TSUTOMU , OKURA YOSHINORI , SATO YOSHITO , TAKADA MEI
IPC分类号： H04W28/22 , H04W52/04
CPC分类号： H04L1/0001
摘要： PROBLEM TO BE SOLVED: To solve the problems from a view point of radio frequency resource and installation cost of apparatus by allowing a radio communication apparatus to set a reliability request for each data.SOLUTION: A plurality of radio communication methods are coupled to dynamically select a communication path while evaluating a communication path quality. To attain the reliability required, a packet configuration is adaptively changed. A radio communication apparatus 10 includes a communication path interface (I/F) 1, data I/F 2, quality I/F 3, allocation control part 4, quality database (DB) 5, quality update part 6, communication means 7-1 to k, and antennas 8-1 to k. The radio communication apparatus 10 receives data and requested quality from an application apparatus 20, and selects a communication means 7 and a communication method according to the requested quality for transmission. The communication means 7 receives a communication quality made together with the other party of communication, and the quality update part 6 updates the state of communication quality in the quality DB 5.
摘要翻译：要解决的问题：通过允许无线电通信装置为每个数据设置可靠性请求，从无线电频率资源和设备的安装成本的角度解决问题。解决方案：多个无线电通信方法被耦合以动态选择同时评估通信路径质量的通信路径。为了达到所需的可靠性，分组配置自适应地改变。无线电通信装置10包括通信路径接口（I / F）1，数据I / F 2，质量I / F 3，分配控制部分4，质量数据库（DB）5，质量更新部分6，通信装置7- 1〜k，天线8-1〜k。无线电通信装置10从应用装置20接收数据和请求的质量，并根据请求的质量选择通信装置7和通信方法以进行传输。通信装置7接收与通信对方组合的通信质量，并且质量更新部分6更新质量DB 5中的通信质量的状态。

33. 发明专利

JP2010268254A Apparatus for searching for wireless station location 有权
标题翻译：搜索无线站位置的设备
公开(公告)号：JP2010268254A
公开(公告)日：2010-11-25
申请号：JP2009118179
申请日：2009-05-15
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SATO YOSHITO , IMAMOTO KENJI , OKURA YOSHINORI
IPC分类号： H04W16/18 , G01R29/08
CPC分类号： H04W16/18 , G01S5/0205 , G01S5/0273 , H04W64/00
摘要： PROBLEM TO BE SOLVED: To provide the a technique which is suitable for optimization computations, and carries out an estimation of the state of radio wave propagation quickly and accurately in searching for wireless station locations.
SOLUTION: During the optimization computations, sending points and receiving points are set using a parameter search technique (S101), propagation paths are computed using a far-field approximation technique for Maxwell's equations (S102), a propagation path leading to a local area where the accuracy is low with the far-field approximation technique is extracted from the computed paths (S 103), the state of scattering previously calculated using a numerical analysis technique for Maxwell's equations is reflected in the extracted propagation path to modify the propagation path (S104), the communication characteristics of the modified propagation path are evaluated (S105), the steps S101-S105 are performed repeatedly a given number of times (S106), and a sending point and a receiving point producing the optimum communication characteristics are outputted (S 107).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种适用于优化计算的技术，并且在搜索无线站位置时快速，准确地执行无线电波传播状态的估计。解决方案：在优化计算过程中，使用参数搜索技术设置发送点和接收点（S101），使用麦克斯韦方程（S102）的远场近似技术来计算传播路径（S102），导致传播路径从计算出的路径中提取出具有远场近似技术的精度低的局部区域（S103），使用用于麦克斯韦方程的数值分析技术预先计算的散射状态被反映在所提取的传播路径中以修改传播路径（S104），对经修改的传播路径的通信特性进行评价（S105），重复执行步骤S101〜S105（S106），产生最佳通信特性的发送点和接收点为输出（S107）。版权所有（C）2011，JPO＆INPIT

34. 发明专利

JP2009290333A Radio network evaluation method, radio network evaluation system, radio network supervising apparatus, radio network evaluation program, and recording medium with program recorded thereon 有权
标题翻译：无线网络评估方法，无线网络评估系统，无线网络监控设备，无线网络评估程序和记录在程序中的记录介质
公开(公告)号：JP2009290333A
公开(公告)日：2009-12-10
申请号：JP2008138439
申请日：2008-05-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SATO YOSHITO , IMAMOTO KENJI , OKURA YOSHINORI , ENDO HIROMICHI , ARITA SETSUO , ICHINOSE YUJI , NAGASHIMA TOSHIO
IPC分类号： H04W16/22
摘要： PROBLEM TO BE SOLVED: To safely and certainly carry out communications even if radio wave environment changes in environment where multi path routes become main transmission routes.
SOLUTION: Radio wave routes from a radio node to another node and the received power are calculated based on shapes of surrounding structures and location information, which can generate physical phenomena such as reflection, transmission, diffraction, etc. of a radio wave. The method estimates the structures which have an effect on the reflection, the transmission, or the diffraction on the calculated radio wave routes, adjusts the receiving power using the existence probability, and estimates possibility of usage of the radio wave route, and estimates usage possibility of the radio wave route by the received power after adjustment.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使多路径路由成为主要传输路由的环境中的无线电波环境发生变化，也要安全肯定地进行通信。解决方案：从无线电节点到另一个节点的无线电波路由和接收功率是根据周围结构和位置信息的形状计算出来的，可以产生无线电波的反射，传输，衍射等物理现象。该方法估计对计算出的无线电波路径上的反射，透射或衍射具有影响的结构，使用存在概率调整接收功率，并估计无线电波路径的使用可能性，并估计使用可能性的无线电波路由调整后的接收功率。版权所有（C）2010，JPO＆INPIT

35. 发明专利

JP2008258870A Mobile broadcast receiving terminal and mobile broadcast receiving method 有权
标题翻译：移动广播接收终端和移动广播接收方法
公开(公告)号：JP2008258870A
公开(公告)日：2008-10-23
申请号：JP2007098021
申请日：2007-04-04
申请人： Clarion Co Ltd , Hitachi Ltd , クラリオン株式会社 , 株式会社日立製作所
发明人： ISHIDA TAKAHARU , SATO YOSHITO , TOMOBE OSAMU
IPC分类号： H04B1/16 , H04B7/08 , H04H20/59 , H04H40/27 , H04N7/16 , H04N7/173 , H04N21/41 , H04N21/414
摘要： PROBLEM TO BE SOLVED: To provide urgent alarm broadcasting that is highly reliable to a viewer. SOLUTION: A controller 14 usually controls a plurality of receiving parts (antennas 11a and 11b, tuners 12a, 12b, and demodulators 13a and 13b) so as to receive broadcast radio waves in a diversity method, and when receiving urgent alarm broadcasting and afterwards, the controller 14 controls the first receiving part (the antenna 11a, the tuner 12a and the demodulator 13a) so as to continuously receive the currently received broadcast radio waves in a diversity method and controls the second receiving part (the antenna 11b, the tuner 12b and the demodulator 13b) so as to receive broadcast radio waves other than the currently received radio waves. Then, a backend part 15 displays both contents of the urgent alarm broadcasting received by the diversity method or urgent alarm broadcasting received by the first receiving part and contents of urgent broadcasting received by the second receiving part in a display device 16. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供对观众高度可靠的紧急报警广播。解决方案：控制器14通常控制多个接收部分（天线11a和11b，调谐器12a，12b和解调器13a和13b），以便以分集方式接收广播无线电波，并且当接收到紧急报警广播然后，控制器14控制第一接收部分（天线11a，调谐器12a和解调器13a），以便以分集方式连续接收当前接收的广播无线电波，并控制第二接收部分（天线11b，调谐器12b和解调器13b），以便接收除当前接收的无线电波之外的广播无线电波。然后，后端部15将通过分集方式接收到的紧急报警广播的内容或由第一接收部接收到的紧急报警广播以及由第二接收部接收的紧急广播的内容显示在显示装置16中。
COPYRIGHT （C）2009，JPO＆INPIT

36. 发明专利

JP2008206113A Apparatus for re-multiplexing digital broadcast 有权
标题翻译：用于复用数字广播的设备
公开(公告)号：JP2008206113A
公开(公告)日：2008-09-04
申请号：JP2007043137
申请日：2007-02-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SATO YOSHITO , ISHIDA TAKAHARU , TOMOBE OSAMU
IPC分类号： H04J11/00 , H04H1/00 , H04H3/00 , H04H20/02 , H04H20/22 , H04H20/28 , H04H20/67 , H04J3/00
摘要： PROBLEM TO BE SOLVED: To solve the problem wherein, in an area where a plurality of transmission station areas overlap in area broadcasting, for contents to be transmitted in common with the respective areas also, the contents mutually become reception intereference waves, so that it becomes difficult to receive common contents.
SOLUTION: A transmission system for areal broadcast comprises an input interface for instructions of common contents and non-common contents and includes a function for distinguishing these contents. Furthermore, a TS remultiplexing apparatus for broadcast comprises a packet arrangement control unit and includes a function for transmitting OFDM transmission carriers, while separating a carrier that transmits the common contents from a carrier transmitting different contents.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题为了解决在区域广播中多个发送站区域重叠的区域对于与各个区域共同发送的内容的问题，内容相互成为接收干扰波，使得变得难以接收公共内容。解决方案：用于面向广播的传输系统包括用于公共内容和非公共内容的指令的输入接口，并且包括用于区分这些内容的功能。此外，用于广播的TS再复用装置包括分组布置控制单元，并且包括用于发送OFDM传输载波的功能，同时从发送不同内容的载波分离发送公共内容的载波。版权所有（C）2008，JPO＆INPIT

37. 发明专利

JP2008113139A On-board receiving device 审中-公开
标题翻译：板载接收设备
公开(公告)号：JP2008113139A
公开(公告)日：2008-05-15
申请号：JP2006293998
申请日：2006-10-30
申请人： Clarion Co Ltd , Hcx:Kk , Hitachi Ltd , クラリオン株式会社 , 株式会社エイチ・シー・エックス , 株式会社日立製作所
发明人： ISHIDA TAKAHARU , SATO YOSHITO , TOMOBE OSAMU , EJIMA NOBUAKI
IPC分类号： H04B1/16 , H04H1/00 , H04H20/28 , H04H40/18 , H04H60/12 , H04N5/44 , H04N7/173
摘要： PROBLEM TO BE SOLVED: To provide an on-board receiving device 20 capable of preventing interruption of video when switching is made between a high quality video and a low quality video, while suppressing power consumption to low. SOLUTION: The on-board receiving device 20 has a high quality video decoder 24 and a low quality video decoder 25. When an output source of video data is switched to the other decoder while the video data from one decoder are output to an external reproducing device 13, the other decoder is triggered to start decoding of video data. Then after a specified period has passed, the output source of video data is switched to the other decoder from one decoder, and that one decoder is stopped. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在高质量视频和低质量视频之间进行切换时能够防止视频中断的板载接收装置20，同时将电力消耗抑制到低。车载接收装置20具有高质量的视频解码器24和低质量的视频解码器25.当来自一个解码器的视频数据被输出到视频数据的输出源被切换到另一解码器时，外部再现装置13，触发另一个解码器开始视频数据的解码。然后经过一定时间后，视频数据的输出源从一个解码器切换到另一个解码器，并且一个解码器停止。版权所有（C）2008，JPO＆INPIT

38. 发明专利

JP2005303658A Radio communication simulation method and radio communication simulator 有权
标题翻译：无线电通信模拟方法和无线电通信模拟器
公开(公告)号：JP2005303658A
公开(公告)日：2005-10-27
申请号：JP2004116645
申请日：2004-04-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OKURA TAKANORI , SATO YOSHITO , KOIWA HIROAKI , MASUKO HIDEAKI
IPC分类号： H04B7/26
摘要： PROBLEM TO BE SOLVED: To provide a radio communication simulator capable of further accurately predicting data transmission performance when data transmission is actually executed, and also, capable of improving the simulation accuracy regarding data communication. SOLUTION: In consideration of the degradation of the data transmission performance due to the overhead of a communication protocol used for transmission/reception, a data transmission performance distribution (an effective communication throughput distribution : a data amount per unit time or the like) transmitted/received by each radio station is calculated, a communication area is displayed, and base station arrangement and the number of the base stations are calculated and outputted. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够在数据传输实际执行时能够进一步准确地预测数据传输性能的无线电通信模拟器，并且还能够提高关于数据通信的模拟精度。解决方案：考虑到由于用于发送/接收的通信协议的开销导致的数据传输性能的劣化，数据传输性能分布（有效通信吞吐量分布：每单位时间的数据量等）），计算出通信区域，计算并输出基站装置和基站的数量。版权所有（C）2006，JPO＆NCIPI

39. 发明专利

JP2005157410A System and method for supporting road management job 有权
标题翻译：支持道路管理工作的制度与方法
公开(公告)号：JP2005157410A
公开(公告)日：2005-06-16
申请号：JP2003319918
申请日：2003-09-11
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KITAMURA TADAAKI , TAKAHASHI KAZUNORI , SATO YOSHITO , SHIMA TAKESHI , KANI AKIO , TOYAMA ATSUYA , IINO TAKAYUKI , KONDO TETSUHIRO
IPC分类号： G01C21/00 , G01C21/26 , G06Q10/00 , G06Q50/00 , G06Q50/10 , G08G1/09 , G08G1/13 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To efficiently collect road information such as an accident from general people by using a portable telephone set with GPS or a communication-type car navigation system.
SOLUTION: When a user of a traveling vehicle detects occurrence of an event such as the accident or a fallen object, the user transmits positional information by GPS and information on the accident or the like to an information collection center 2 by using the portable telephone set with GPS 1 or the communication-type car navigation system. The information collection center 2 analyzes received data, estimates a position and directs a patrol vehicle 3 to take a countermeasure. When transmitted information is correct as a result of the countermeasure, a procedure of acknowledgement is performed from the users who have transmitted the information to a selected user. Thus, much information can speedily be collected, correspondence to the accident and that to the fallen object can speedily be performed and secondary disasters can also be prevented.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过使用具有GPS的便携式电话机或通信型汽车导航系统来有效地收集来自普通人的道路信息，例如事故。解决方案：当行驶车辆的用户检测到事故或坠落物体的事件的发生时，用户通过GPS将位置信息和关于事故的信息等发送到信息收集中心2，使用带GPS 1的便携式电话机或通信型汽车导航系统。信息收集中心2分析接收到的数据，估计位置并指示巡逻车3采取对策。当作为对策的结果发送信息是正确的时，从已经向所选用户发送信息的用户执行确认过程。因此，可以快速地收集许多信息，可以快速地执行对事故的对应和对坠落物体的对应，并且还可以防止二次灾难。版权所有（C）2005，JPO＆NCIPI

40. 发明专利

JP2005115687A Road maintenance support system 审中-公开
标题翻译：道路维护支持系统
公开(公告)号：JP2005115687A
公开(公告)日：2005-04-28
申请号：JP2003349794
申请日：2003-10-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIMA TAKESHI , TAKAHASHI KAZUNORI , KITAMURA TADAAKI , SATO YOSHITO , TOYAMA ATSUYA , KANI AKIO , IINO TAKAYUKI , KONDO TETSUHIRO
IPC分类号： G06Q50/08 , G06Q50/00 , G06Q50/10 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To form an appropriate road repair plan to efficiently repair parts to be repaired with appropriate timing. SOLUTION: A repair/inspection plan forming device 20 forms an inspection plan, based on the previous inspection history of a recording device 26 and sends the plan to an inspection terminal 2. Based on the inspection plan, the inspection terminal 2 inspects a road using a camera 4, a microphone 5, an acoustic sensor 6 and a vibration sensor 7, to see the state of its deterioration. The result of the inspection is sent to the repair/inspection plan forming device 20. The repair/inspection plan forming device 20 classifies the degrees of road deterioration, based on the inspection result, anticipates the future tendency of the road to deteriorate, and presents a plurality of repair plans about parts to be repaired, time of repair, and the scope of repair. A road manager finally selects the repair plan. Rules about construction processes, materials and equipment, and allocation of personnel for achieving the repair plan selected are extracted from a database and to the road manager is given navigation for the implementation of road repairs. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：形成适当的道路修理计划，以适当的时机有效地修理待修理的零件。解决方案：修理/检验计划形成装置20基于记录装置26的先前检查历史形成检查计划，并将计划发送到检查终端2.根据检查计划，检查终端2检查使用照相机4的道路，麦克风5，声音传感器6和振动传感器7，以看到其劣化的状态。检查结果被发送到维修/检查计划形成装置20.修理/检查计划形成装置20基于检查结果对道路恶化的程度进行分类，预测道路的未来趋势恶化，并且呈现关于要修理的部件，修理时间和维修范围的多个维修计划。道路经理终于选择修理计划。关于施工过程，材料和设备的规定，以及为实现所选修理计划的人员配置，从数据库中提取，并向道路经理提供用于实施道路修理的导航。版权所有（C）2005，JPO＆NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式