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    • 1. 发明授权
    • Loudspeaker apparatus
    • 扬声器装置
    • US06580801B1
    • 2003-06-17
    • US09515949
    • 2000-02-29
    • Tsuyoshi TakagiHiroshi KubotaKen Iwayama
    • Tsuyoshi TakagiHiroshi KubotaKen Iwayama
    • H04R2500
    • H04R1/025H04R1/026H04R1/26H04R2201/021
    • A loudspeaker apparatus 1 includes a loudspeaker unit 3 and an installation device 2. The loudspeaker unit 3 includes drivers 22 and 23 and an enclosure for the drivers composed of front and rear members 20 and 21. The loudspeaker unit is detachably mounted to an installation device 2, which, in turn, is secured to an installation surface 11 to which the loudspeaker apparatus is to be installed. The loudspeaker unit is mounted rotatable about its center axis 25. The drivers have respective sound radiation center axes 22a and 23a, which are oriented to intersect the center line 25 at a predetermined angle &thgr;. Thus, the direction in which the drivers radiate sound can be changed by rotating the loudspeaker unit about the center axis.
    • 扬声器装置1包括扬声器单元3和安装装置2.扬声器单元3包括驱动器22和23以及用于由前部和后部构件20和21组成的驱动器的外壳。扬声器单元可拆卸地安装到安装设备 2,其又被固定到要安装扬声器装置的安装表面11。 扬声器单元可围绕其中心轴线25旋转安装。驱动器具有各自的声辐射中心轴线22a和23a,它们以预定角度θ定向成与中心线25相交。 因此,可以通过围绕中心轴旋转扬声器单元来改变驾驶员辐射声音的方向。
    • 3. 发明授权
    • Information processing apparatus, and method, information processing system, and program
    • 信息处理装置和方法,信息处理系统和程序
    • US08832005B2
    • 2014-09-09
    • US13291676
    • 2011-11-08
    • Tsuyoshi TakagiTakayuki Sakamoto
    • Tsuyoshi TakagiTakayuki Sakamoto
    • G06F15/18G06N5/04G06F17/30G06Q30/02G06Q10/00
    • G06F17/30761G06F17/30053G06Q10/00G06Q30/02
    • Disclosed is an information processing apparatus including: a learning unit that learns user preference for each type in each category for classifying content items in a server; a selection unit that, based on type information indicating a recommendable type which is a type of content items recommendable by the server and a substitutable type which is a type that satisfies a predetermined condition out of the recommendable type, selects one or more recommendable types in a case where there is the recommendable type corresponding with user preference in the selected category, and selects one or more substitutable types in the selected category in a case where there is no recommendable type corresponding with user preference; and an obtaining unit that obtains a content of the selected type from the server.
    • 公开了一种信息处理设备,包括:学习单元,其学习用于每个类别中的每种类型的用户偏好,用于对服务器中的内容项进行分类; 选择单元,其基于指示作为服务器推荐的内容项的类型的推荐类型的类型信息和作为​​可推荐类型的满足预定条件的类型的可替换类型,选择一个或多个可推荐类型 在所选类别中存在与用户偏好相对应的可推荐类型的情况,并且在没有与用户偏好对应的推荐类型的情况下选择所选类别中的一个或多个可替换类型的情况; 以及从服务器获取所选类型的内容的获取单元。
    • 4. 发明授权
    • Cryptographic processing apparatus
    • 加密处理装置
    • US07957527B2
    • 2011-06-07
    • US11791283
    • 2005-11-15
    • Masanobu KatagiToru AkishitaIzuru KitamuraTsuyoshi Takagi
    • Masanobu KatagiToru AkishitaIzuru KitamuraTsuyoshi Takagi
    • H04L9/28H04L9/30
    • G06F7/725G06F2207/7261
    • An apparatus and a method for performing a hyperelliptic curve cryptography process at a high speed in a highly secure manner are provided. A base point D is produced such that the base point D and one or more of precalculated data in addition to the base point used in a scalar multiplication operation based on a window algorithm are degenerate divisors with a weight smaller than genus g of a hyperelliptic curve. An addition operation included in the scalar multiplication operation based on the window algorithm is accomplished by performing an addition operation of adding a degenerate divisor and a non-degenerate divisor, whereby a high-speed operation is achieved without causing degradation in security against key analysis attacks such as SPA.
    • 提供了一种以高度安全的方式高速执行超椭圆曲线密码处理的装置和方法。 产生基点D,使得除了基于窗口算法的标量乘法运算中使用的基点之外,基点D和预先计算的数据中的一个或多个是具有小于超椭圆曲线的g的权重的简并因数 。 基于窗口算法的标量乘法运算中包含的加法运算通过执行加法简并因子和非简并因数的加法运算来实现,从而实现高速运算,而不会导致安全性降低密钥分析攻击 如SPA。
    • 9. 发明授权
    • Undeniable digital signature scheme based on quadratic field
    • 基于二次场的不可否认的数字签名方案
    • US06976169B1
    • 2005-12-13
    • US09654638
    • 2000-09-05
    • Tsuyoshi TakagiIngrid BiehlSachar Paulus
    • Tsuyoshi TakagiIngrid BiehlSachar Paulus
    • H04L9/00H04L9/30H04L9/32
    • H04L9/3271H04L9/302H04L9/3249H04L2209/56
    • An efficient undeniable digital signature scheme based on a quadratic field is disclosed. Public keys (D, P, k, t) and secret keys (D1, q) are defined by generating two primes p, q (p, q>4, p=3 mod 4, √{square root over (p/3)}
    • 公开了一种基于二次场的有效不可否认数字签名方案。 公共密钥(D,P,k,t)和秘密密钥(D1,q)通过生成两个素数p,q(p,q> 4,p = 3 mod 4,√{平方根(p / 3 计算D1 = -p和D = D1q <2>,获得{{D1 | / 4和比特长度t(q-(D1 / q)其中(D1 / q)表示Kronecker符号,并且从类组C1(D)到类组C1(D1)生成映射的核心元素P,然后通过首先检查规范 签名S的N(S)小于k比特,并且当标准N(S)大于k比特时判断签名S是非法的,或者当标准N(S)为 不大于k比特,通过计算消息m的消息理想M,生成小于t比特的随机整数r,计算H =(M / S),生成随机理想B, 范数小于k-1比特,并且在验证方计算挑战C = BH;然后通过映射挑战C t来计算响应W 在类别组C1(D1)上,使用秘密密钥(D1,q)在签名者侧将映射的挑战C拉回类组C1(D)并平方映射和拉回的结果; 然后检查W = B <2>是否成立,并且当W = B <2> 保持时判断签名S合法,否则签名S为非法,否则 验证方。
    • 10. 发明授权
    • Arithmetic processing device, inter-object communication method, and robot
    • 算术处理装置,对象间通信方法和机器人
    • US06728598B2
    • 2004-04-27
    • US10305692
    • 2002-11-27
    • Masahiro FujitaTakayuki SakamotoKotaro SabeTsuyoshi Takagi
    • Masahiro FujitaTakayuki SakamotoKotaro SabeTsuyoshi Takagi
    • G06F1900
    • G05B19/0426G05B2219/23312G05B2219/23389G05B2219/23432G05B2219/32137G05B2219/32161G05B2219/33105G05B2219/33125G05B2219/40304Y02P90/16Y02P90/185Y02P90/265Y10S707/99934Y10T74/20317
    • An arithmetic processing device for inter-object data communication has an object manager for connecting objects so as to enable exchange of data between the objects, and a connection data supplying unit for supplying the object manager with connection data necessary for achieving the connection between the objects. Disclosed also are an inter-object communication method and a robot incorporating the arithmetic processing device. The robot may be designed to enable a user to replace parts thereof, thus changing the robot configuration. The robot preferably includes a part detection unit for detecting parts attached to the robot, and outputting a part detection result in accordance with the detection. An information storage unit stores information corresponding to the part detection result for each configuration obtained by replacement of the parts. A software changing unit revises robot-controlling software in correspondence with a changed configuration, based on a comparison of the part detection result with the information stored in the information storage unit. A controller controls general robot operations in accordance with the revised software.
    • 用于对象间数据通信的算术处理装置具有用于连接对象的对象管理器,以便能够在对象之间交换数据;以及连接数据提供单元,用于向对象管理器提供实现对象之间的连接所必需的连接数据 。 还公开了一种对象间通信方法和结合有算术处理装置的机器人。 机器人可以被设计成使得用户能够替换其部件,从而改变机器人配置。 机器人优选地包括用于检测附接到机器人的部件的部件检测单元,并且根据检测输出部件检测结果。 信息存储单元存储与通过更换部件获得的每个配置的部件检测结果相对应的信息。 基于部件检测结果与存储在信息存储单元中的信息的比较,软件更换单元根据改变的配置来修改机器人控制软件。 控制器根据修订的软件控制一般的机器人操作。