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    • 14. 发明申请
    • Radio lan access authentication system
    • 无线局域网接入认证系统
    • US20060007897A1
    • 2006-01-12
    • US10527200
    • 2003-09-24
    • Yoshikazu Ishii
    • Yoshikazu Ishii
    • H04Q7/24
    • H04L63/0823H04L12/2856H04L63/0428H04W12/02H04W12/06H04W84/12
    • A wireless LAN access authentication system capable of shortening the time required for an access authentication procedure of a radio terminal apparatus. In this wireless LAN access authentication system, when a radio terminal apparatus 116 of a user who has sent an access request is already registered through initial access, a gateway apparatus 111 searches for a WEP key assigned to the radio terminal apparatus 116 through a WEP key control section 306 and redistributes the WEP key registered beforehand to a new access point section 124 in the destination area and the radio terminal apparatus 116. The radio terminal apparatus 116 and access point section 124 to which the WEP key has been distributed encrypt transmission/reception data in a predetermined radio section using the redistributed WEP key and carry out a communication.
    • 一种无线LAN接入认证系统,其能够缩短无线终端装置的接入认证过程所需的时间。 在该无线LAN接入认证系统中,当通过初始接入已经登记了发送了接入请求的用户的无线终端装置116时,网关装置111通过WEP密钥搜索分配给无线终端装置116的WEP密钥 控制部分306,并将预先注册的WEP密钥重新分配到目的地区域中的新的接入点部分124和无线电终端装置116。 已经分配了WEP密钥的无线终端装置116和接入点部分124使用再分配的WEP密钥对预定的无线电部分中的发送/接收数据进行加密,并进行通信。
    • 16. 发明授权
    • Power transmission belt and method of producing the same
    • 动力传动带及其制造方法
    • US08827851B2
    • 2014-09-09
    • US13641330
    • 2010-04-28
    • Satoru AndoYoshikazu Ishii
    • Satoru AndoYoshikazu Ishii
    • F16G5/16B23P11/00
    • F16G5/16
    • To provide a power transmission belt and a method of producing the same that allows lightweight elements to be produced at low cost and allows the durability to be sufficiently ensured, the power transmission belt includes a plurality of elements each having both side end surface portions, a rocking edge portion rockably engaged with either one of a pair of other elements neighboring the element, and a concave-convex engagement portion engageable with the pair of other elements, in which each of the elements has a plate-like portion, a first convex portion projecting from one surface of the plate-like portion, and a second convex portion projecting from the one surface of the plate-like portion in a spaced relationship with the first convex portion to constitute the rocking edge portion, and each of the elements is engaged with the pair of other elements so as to press against one another by the first convex portion and the second convex portion.
    • 为了提供一种动力传递带及其制造方法,其能够以低成本制造轻质元件并且能够充分确保耐久性,动力传递带包括多个元件,每个元件具有两个侧面部分,一个 摇摆边缘部分与邻近该元件的一对其它元件中的任一个元件摇摆地接合,以及与该一对其它元件接合的凹凸接合部分,其中每个元件具有板状部分,第一凸起部分 从板状部分的一个表面突出的第二凸起部分和与第一凸起部分间隔开地从板状部分的一个表面突出的第二凸起部分,以构成摆动边缘部分,并且每个部件接合 与一对其它元件相互抵压,由第一凸部和第二凸部相互抵压。
    • 17. 发明授权
    • Radio base station device, radio relay station device, and radio terminal device
    • 无线基站装置,无线中继站装置,无线终端装置
    • US08699364B2
    • 2014-04-15
    • US13000947
    • 2009-05-08
    • Yoshikazu IshiiTakeshi Kanazawa
    • Yoshikazu IshiiTakeshi Kanazawa
    • G01R31/08
    • H04W74/008H04B7/155H04J11/0069H04W74/0833H04W84/047
    • A radio base station device comprises: a preamble signal receiving unit (15) that receives a RACH preamble signal transmitted from a radio terminal device; a reception notice receiving unit (16) that receives, from a radio relay station device, a reception notice indicating that the radio relay station device has received the RACH preamble signal; and a response signal transmitting unit (18) which, when an identifier (RA-ID) of the RACH preamble signal transmitted from the radio terminal device matches an identifier comprised in the preamble reception notice transmitted from the radio relay station device, permits the use of an identifier by the radio relay station device and transmits, to the radio terminal device, a RACH response signal (RACH Response) comprising a cell identifier (Cell ID) of a cell managed by the radio relay station device permitted to use the identifier. Accordingly, the latency when establishing a connection can be reduced.
    • 无线基站装置包括:前导信号接收单元,其接收从无线终端装置发送的RACH前同步信号; 接收通知接收单元(16),其从无线电中继站设备接收指示所述无线中继站设备已经接收到所述RACH前导信号的接收通知; 以及响应信号发送单元,当从所述无线终端装置发送的所述RACH前置信号的标识符(RA-ID)与包含在从所述无线中继站装置发送的前导码接收通知中所包含的标识符相一致时,允许使用 由无线电中继站设备发送一个标识符,并向无线电终端设备发送包括被允许使用标识符的无线中继站设备管理的小区的小区标识符(小区ID)的RACH响应信号(RACH响应)。 因此,可以减少建立连接时的延迟。
    • 19. 发明授权
    • Control apparatus for internal combustion engine
    • 内燃机控制装置
    • US08280613B2
    • 2012-10-02
    • US12856034
    • 2010-08-13
    • Masahiro ToyoharaTakashi OkamotoTomohiro OhisaYoshikazu Ishii
    • Masahiro ToyoharaTakashi OkamotoTomohiro OhisaYoshikazu Ishii
    • F02M51/00
    • F02D41/20F02D41/40F02D2041/2003F02D2041/2017F02D2200/0602Y02T10/44
    • A fuel injection control apparatus for an internal combustion engine which can inject a fuel injection quantity to a fuel injector with accuracy even when the fuel injection quantity is reduced than before is provided. A fuel injection control apparatus of a direct cylinder injection type of internal combustion engine, including a fuel injector which performs fuel injection by supplying a drive current to a solenoid, a fuel pressure sensor which detects fuel pressure supplied to the fuel injector, and operation state detecting means which detects the operation state of the internal combustion engine, comprises current profile changing means 100 which has multiple current profiles of the drive current and changes current profiles based on the operation state and the fuel pressure, valid pulse width calculating means 701 which calculates a valid pulse width for opening and driving the fuel injector, invalid pulse width calculating means 103 which calculates an invalid pulse width, and fuel injector control means which calculates a fuel injection pulse width based on the valid pulse width and the invalid pulse width, and controls the fuel injector based on the fuel injection pulse width, wherein the invalid pulse width calculating means 103 calculates an invalid pulse width corresponding to the current profiles to be changed before the current profiles are changed.
    • 提供一种用于内燃机的燃料喷射控制装置,其能够即使当燃料喷射量比以前更低时也能够以精确的方式将燃料喷射量喷射到燃料喷射器。 一种直列式喷射式内燃机的燃料喷射控制装置,包括通过向螺线管供给驱动电流进行燃料喷射的燃料喷射器,检测供给到燃料喷射器的燃料压力的燃料压力传感器和运转状态 检测内燃机的运转状态的检测装置包括:电流分布变更机构100,其具有驱动电流的多个电流分布,并根据运转状态和燃料压力改变电流分布;有效脉冲宽度计算单元701, 用于打开和驱动燃料喷射器的有效脉冲宽度,计算无效脉冲宽度的无效脉冲宽度计算装置103以及基于有效脉冲宽度和无效脉冲宽度计算燃料喷射脉冲宽度的燃料喷射器控制装置,以及 基于燃料喷射脉冲宽度来控制燃料喷射器,其中, 有效脉冲宽度计算装置103计算在当前轮廓改变之前对应于要改变的当前轮廓的无效脉冲宽度。