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    • 81. 发明授权
    • Digital mobile communication system capable of establishing mutual
synchronization among a plurality of radio base stations
    • 能够在多个无线基站之间建立相互同步的数字移动通信系统
    • US5912886A
    • 1999-06-15
    • US796951
    • 1997-02-07
    • Hideaki TakahashiKoji Sugawara
    • Hideaki TakahashiKoji Sugawara
    • H04Q7/36H04B7/26H04J3/06H04L7/00
    • H04B7/2693H04J3/0602H04J3/0682
    • A mobile communication system is capable of establishing mutual synchronization of radio communication channels among a plurality of radio base stations. A synchronization timing control center is included in a wired telephone network as a terminal equipment of the wired telephone network. Each radio base station in the mobile communication network makes a connection to the synchronization timing control center by way of a mobile switching center, for establishing frame synchronization. Each radio base station measures a value of transmission delay between the radio base station and the synchronization timing control center, and then receives a frame signal as a reference signal from the synchronization timing control center. The formal frame signal to be used by each radio base station is reproduced by compensating the received frame signal by the transmission delay value which varies for each radio base station. Once the frame signal has been established, the signal is held by the clock timing of the network synchronization circuit in each radio base station.
    • 移动通信系统能够建立多个无线基站中的无线通信信道的相互同步。 同步定时控制中心作为有线电话网络的终端设备被包括在有线电话网络中。 移动通信网络中的每个无线电基站通过移动交换中心与同步定时控制中心建立连接,以建立帧同步。 每个无线电基站测量无线电基站和同步定时控制中心之间的传输延迟的值,然后从同步定时控制中心接收作为参考信号的帧信号。 通过对每个无线电基站变化的传输延迟值补偿接收的帧信号来再现每个无线电基站要使用的形式帧信号。 一旦已经建立了帧信号,则信号由每个无线电基站中的网络同步电路的时钟定时保持。
    • 82. 发明授权
    • Tactile sensor device
    • 触觉传感器装置
    • US5905430A
    • 1999-05-18
    • US867045
    • 1997-06-02
    • Ryutaro YoshinoHideaki Takahashi
    • Ryutaro YoshinoHideaki Takahashi
    • B25J19/02B25J13/08B25J15/08H04B3/36
    • B25J13/084
    • A tactile sensor device for detecting a state of contact with a workpiece has a base body and a contact member spaced from the base body by a gap, for contacting the workpiece. The contact member is supported on the base body by a thin leaf spring for angular movement with respect to the base body and/or movement across the gap to cause a change in a distance between the contact member and the base body across the gap when the contact member is contacted by the workpiece. A gap sensor is mounted in the base body for generating a signal depending on the distance between the contact member and the base body across the gap at a predetermined region. A state of contact between the contact member and the workpiece can be detected on the basis of the distance across the gap as detected by the signal generated by the gap sensor.
    • 用于检测与工件的接触状态的触觉传感器装置具有基体和接触构件,该基体与基体间隔开间隙,用于接触工件。 接触构件通过薄板弹簧支撑在基体上,用于相对于基体的角运动,和/或跨越间隙的运动,从而当接触构件和基体之间的距离在间隙上发生变化时 接触构件被工件接触。 间隙传感器安装在基体中,用于根据接触构件和基体之间在预定区域的间隙上的距离产生信号。 可以基于由间隙传感器产生的信号检测到的跨越间隙的距离来检测接触构件和工件之间的接触状态。
    • 83. 发明授权
    • Method of and apparatus for dynamic channel allocation
    • 动态信道分配的方法和装置
    • US5903848A
    • 1999-05-11
    • US822903
    • 1997-03-24
    • Hideaki Takahashi
    • Hideaki Takahashi
    • H04W16/04H04W72/06H04Q7/00
    • H04W72/06H04W16/04
    • A dynamic channel allocation process successively allocates channels of higher priorities to requests for channel allocation. When a priority change count overflows or reaches an upper limit, the priority change count is cleared to zero. However, past data are not eliminated, and a change in a base station service area can be handled. Specifically, when the priority change count reaches an upper limit n, the priority at that time is stored as M.sub.1, and fixed as it is until the priority change count reaches the upper limit n next time. When priority change count reaches the upper limit n twice, the priority at that time is updated to M.sub.2 and stored fixedly for use as the priority until the priority change count subsequently reaches the upper limit n.
    • 动态信道分配过程连续地将更高优先级的信道分配给信道分配请求。 当优先级更改计数溢出或达到上限时,优先级更改计数清零。 然而,过去的数据不被消除,并且可以处理基站服务区域的改变。 具体地说,当优先级改变计数达到上限值n时,此时的优先级被存储为M1,并且直到固定,直到优先级改变计数到达下一次的上限值为止。 当优先级更改计数达到上限值n时,将此时的优先级更新为M2,并固定存储,作为优先级,直到优先级变更计数随后达到上限值n为止。
    • 84. 发明授权
    • Dynamic channel allocation system capable of realizing channel
allocation without spoiling advantage of inheritance of a past history
    • 动态信道分配系统能够实现信道分配,而不会破坏过去历史的继承优势
    • US5787358A
    • 1998-07-28
    • US709880
    • 1996-09-09
    • Hideaki Takahashi
    • Hideaki Takahashi
    • H04W72/10H04Q7/00H04Q9/00
    • H04W72/10
    • In a dynamic channel allocation system, upon every communication request, selection is made of a channel having a maximum priority degree (step 1004). Judgement is made about whether or not the channel is an idle channel (step 1005). If it is an idle channel, its priority degree P is increased by a priority function .DELTA.P(x) determined by a priority degree modification frequency x and this channel is allocated (steps 1006 and 1007). If it is not an idle channel, the priority degree P is decreased by the priority function .DELTA.P(x) (step 1008). Subsequently, the priority degree modification frequency x is increased by +1. When x reaches an upper limit value xo, the priority degree modification frequency x is not reset but is given as x=xl
    • 在动态信道分配系统中,在每个通信请求中,选择具有最大优先级的信道(步骤1004)。 判断该信道是否为空闲信道(步骤1005)。 如果它是空闲信道,则其优先级P被由优先级修改频率x确定的优先级函数DELTA P(x)增加,并且该信道被分配(步骤1006和1007)。 如果不是空闲信道,则通过优先级函数DELTA P(x)降低优先级P(步骤1008)。 随后,优先级修正频率x增加+1。 当x达到上限值xo时,优先级修正频率x不复位,而是给定为x = x1
    • 85. 发明授权
    • Bending press system
    • 弯曲印刷机系统
    • US5694801A
    • 1997-12-09
    • US547193
    • 1995-10-24
    • Hideaki TakahashiShigeo Koyama
    • Hideaki TakahashiShigeo Koyama
    • B21D5/04
    • B21D5/04B21D5/045
    • A bending apparatus includes: an upper bending die 63U for downward bending both ends of the plate material gripped between upper and lower plates 59U and 59L provided on upper and lower frames 35U and 35L, respectively and a lower bending die 63L for upward bending both ends of the same plate material; and upper and lower bending mechanisms each including a link mechanism for moving the upper bending die or the lower bending die in both upward or downward direction, respectively. In the bending apparatus according to the present invention, since the upper and lower bending mechanisms 61U and 61L are constructed by a link mechanism, respectively, it is possible to move the upper or lower bending die 63U or 63L far away from the bending position of the plate material W.
    • 弯曲装置包括:上弯曲模具63U,用于向下弯曲夹持在上下框架35U和35L上的上板59U和下板59L之间的板材的两端,以及用于向上弯曲两端的下弯曲模具63L 的相同板材; 以及上下弯曲机构,其各自包括用于分别向上或向下移动上弯曲模或下弯曲模的连杆机构。 在根据本发明的弯曲装置中,由于上下弯曲机构61U和61L分别由连杆机构构成,所以能够将上下弯曲模具63U或63L移动到远离弯曲位置的弯曲位置 板材W.
    • 86. 发明授权
    • Air/fuel ratio control system of internal combustion engine
    • 内燃机空燃比控制系统
    • US5564404A
    • 1996-10-15
    • US527969
    • 1995-09-14
    • Hideaki TakahashiKimiyoshi Nishizawa
    • Hideaki TakahashiKimiyoshi Nishizawa
    • F02D41/06F02D41/14
    • F02D41/06F02D41/061F02D41/1446F02D41/1474
    • A lean air/fuel ratio control device is provided for feeding the engine with a mixture of a desired lean air/fuel ratio for a given time from the time on which the engine is started. A stoichiometric air/fuel ratio control device is provided for feeding the engine with a mixture of a substantially stoichiometric air/fuel ratio once the given time passes. A temperature sensor is provided for sensing the temperature of cooling water of the engine at the time when the engine is just started. A control unit is provided for varying the given time in accordance with the temperature sensed by the temperature sensor. The given time may be varied in accordance with the activity of the oxygen sensor or the temperature of exhaust gas from the engine.
    • 提供了一种稀薄空气/燃料比控制装置,用于在发动机启动时间内给定发动机与给定时间的所需稀薄空气/燃料比的混合。 提供了一种化学计量空气/燃料比控制装置,用于在给定时间过去之后将发动机以基本上理论空燃比的混合物供给。 提供温度传感器,用于感测发动机刚起步时发动机的冷却水温度。 提供控制单元,用于根据温度传感器感测到的温度来改变给定的时间。 给定的时间可以根据氧传感器的活动或来自发动机的废气的温度而变化。
    • 87. 发明授权
    • Gas sensor using ionic conductor
    • 气体传感器采用离子导体
    • US5520789A
    • 1996-05-28
    • US364749
    • 1994-12-27
    • Hideaki TakahashiTadashi InabaHaruyoshi Kondo
    • Hideaki TakahashiTadashi InabaHaruyoshi Kondo
    • G01N27/41G01N27/406G01N27/407G01N27/409
    • G01N27/4075
    • A gas sensor using an ionic conductor has a thin-film gas detection portion on an alumina substrate. The gas detection portion comprises a zirconia ionic conductor layer, a pair of platinum electrodes provided with the ionic conductor layer interposed therebetween, and a pair of junction layers positioned between the ionic conductor layer and each electrode and formed in a state in which the substances of the ionic conductor layers and the electrodes are mixed therein.The gas sensor using an ionic conductor is formed by sequentially forming a first electrode, a first junction layer, an ionic conductor layer, a second junction layer, and a second electrode by a physical vapor deposition method on a substrate, wherein the first and second junction layers are formed to be in a state in which the substances of the ionic conductor layers and the electrodes are both present.
    • 使用离子导体的气体传感器在氧化铝基板上具有薄膜气体检测部。 气体检测部分包括氧化锆离子导体层,设置有介于其间的离子导体层的一对铂电极和位于离子导体层与每个电极之间的一对接合层,并且形成在其中物质 离子导体层和电极混合在一起。 使用离子导体的气体传感器通过在基板上通过物理气相沉积法依次形成第一电极,第一接合层,离子导体层,第二接合层和第二电极而形成,其中第一和第二 接合层形成为处于离子导体层和电极的物质都存在的状态。
    • 88. 发明授权
    • Thin film multilayered air/fuel ratio sensor
    • 薄膜多层空气/燃料比传感器
    • US5480535A
    • 1996-01-02
    • US174126
    • 1993-12-27
    • Haruyoshi KondoHideaki TakahashiKeiichi SajiMasaharu TakeuchiKozo Satta
    • Haruyoshi KondoHideaki TakahashiKeiichi SajiMasaharu TakeuchiKozo Satta
    • G01N27/407G01N27/417G01N27/41G01N27/409
    • G01N27/4071G01N27/417
    • A thin film mutilayered air-fuel ratio sensor having a sensor element including a first electrode formed on a porous substrate, a first solid electrolyte and a third electrode formed on the first electrode in this order, in such a manner that the first electrode is completely covered by the first solid electrolyte inclusive of its surroundings, and that the first solid electrolyte is completely covered by the third electrode inclusive of its surroundings, a second solid electrolyte and a fourth electrode and formed on the third electrode in this order, in such a manner that the peripheral portion of the third electrode is left uncovered by the second solid electrolyte and the fourth electrode and thereby left exposed. The first electrode, the third electrode, and the fourth electrode are made of a gas-permeable porous platinum, and the first solid electrolyte and the second solid electrolyte are made of a gas-permeable dense solid electrolyte having oxygen ion conductivity. The sensor has far improved performance as compared to the conventional ones and can be made compact.
    • 一种具有传感器元件的薄膜多层空气燃料比传感器,其传感器元件包括形成在多孔基材上的第一电极,第一固体电解质和形成在第一电极上的第三电极,以使得第一电极完全 被包围其周围的第一固体电解质覆盖,并且第一固体电解质被包括其周围的第三电极完全覆盖,第二固体电解质和第四电极,并且以这种顺序形成在第三电极上 使得第三电极的周边部分不被第二固体电解质和第四电极覆盖,从而露出。 第一电极,第三电极和第四电极由透气性多孔铂制成,第一固体电解质和第二固体电解质由具有氧离子传导性的透气性致密固体电解质构成。 该传感器与常规传感器相比具有非常好的性能,并且可以使其紧凑。
    • 89. 发明授权
    • Legged mobile robot equipped with impact absorber
    • 有腿的移动机器人配备了减震器
    • US5445235A
    • 1995-08-29
    • US67314
    • 1993-05-26
    • Hiroshi GomiMasao NishikawaMasato HiroseHideaki TakahashiTakashi Matsumoto
    • Hiroshi GomiMasao NishikawaMasato HiroseHideaki TakahashiTakashi Matsumoto
    • B25J19/00B25J19/06B60R21/34B62D57/02
    • B60R21/34B25J19/0075B25J19/06B62D57/02
    • An impact absorber for a legged mobile robot having a body and two legs each connected to the body for absorbing impact arising when the robot collides with pipes or other objects in its walking environment so as to protect both the robot and the object. In a first embodiment, the impact absorber comprises a balloon disposed around the body and filled with air. When the balloon comes into contact with the object, it is deflated so as to absorb impact arising from the contact. In a second embodiment, the impact absorber comprises a cylinder fixed to the robot leg and a piston slidably disposed in the cylinder so as to define a chamber filled with an oil. A flat member is fixed to the rod of the piston and when it comes into contact with the object, the piston is thrust into the cylinder so as to absorb the impact. The impact absorber may be a resilient material coating on the robot to cushion the impact when the robot comes into contact with the object, or it may include air bags.
    • 一种用于腿式移动机器人的冲击吸收器,其具有主体和两个腿,每个腿连接到主体,用于吸收机器人在其行走环境中与管道或其他物体碰撞时产生的冲击,以保护机器人和物体。 在第一实施例中,冲击吸收器包括设置在身体周围并充满空气的球囊。 当气球与物体接触时,它被放气以吸收由接触引起的冲击。 在第二实施例中,冲击吸收器包括固定到机器人腿部的圆柱体和可滑动地设置在气缸中以便限定填充有油的腔室的活塞。 平面构件固定在活塞杆上,当与物体接触时,活塞被推入气缸中以吸收冲击。 冲击吸收器可以是机器人上的弹性材料涂层,以在机器人与物体接触时缓冲冲击,或者其可以包括气囊。