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    • 63. 发明授权
    • Method of and device for protecting electrical power system
    • 保护电力系统的方法和装置
    • US5305174A
    • 1994-04-19
    • US753945
    • 1991-09-03
    • Masao MoritaToshiaki UedaYukio KurosawaHiroshi AritaTokio Yamagiwa
    • Masao MoritaToshiaki UedaYukio KurosawaHiroshi AritaTokio Yamagiwa
    • H02H9/02F02B75/02H02H3/02H02H7/30H02H3/08
    • H02H7/30H02H3/025F02B2075/027
    • An electrical power system protection device includes a circuit breaker and a switch connected in series to a power line. The protection device also has a current limiting element connected in parallel to the circuit breaker. When the level of electrical current flowing in the power line, detected by a current detector, has exceeded a predetermined first set level, a first over-current detector delivers immediately a trip command to the circuit breaker. As a consequence, fault current is commutated to the current limiting element so that any drop of voltage in the power line upstream of the circuit breaker is greatly suppressed. When a state in which a predetermined second set level is exceeded by the detected current level is continued beyond a predetermined period, a second over-current detector delivers an off command to the switch, thus protecting the upstream portion of the power line against the fault in this power line. The current level is set to fall within a range which activates a momentary element of an over-current relay of a receiving end breaker of a downstream sub-system connected to the power line. In the event of a failure in the downstream power line, the receiving end breaker is tripped immediately so that the sound portion of the power line is reset to a normal state of operation.
    • 电力系统保护装置包括断路器和与电力线串联连接的开关。 保护装置还具有与断路器并联连接的限流元件。 当由电流检测器检测到的在电力线中流动的电流的电平已经超过预定的第一设定电平时,第一过电流检测器立即向断路器提供跳闸命令。 因此,故障电流被转换到限流元件,从而大大抑制了在断路器上游的电力线中的任何电压下降。 当预定的第二设定电平超过检测到的电流电平的状态持续超过预定周期时,第二过电流检测器向开关递送关断命令,从而保护电力线的上游部分免受故障 在这条电力线上。 当前电平被设定为在激活连接到电力线的下游子系统的接收端断路器的过电流继电器的瞬时元件的范围内。 在下游电力线路发生故障的情况下,接收端子断路器立即跳闸,使得电力线路的声音部分被复位到正常的操作状态。
    • 64. 发明授权
    • Zoom lens camera
    • 变焦镜头相机
    • US5083146A
    • 1992-01-21
    • US588767
    • 1990-09-27
    • Toshiaki Ueda
    • Toshiaki Ueda
    • G02B7/10G02B23/14G03B13/12
    • G02B7/10G03B13/12G02B23/145
    • A zoom lens camera including a lens barrel cam ring which rotates about an optical axis of the camera and a photographic lens system having a variable focal length which is varied in accordance with the rotation of the lens barrel cam ring. A finder optical system having a movable optical member which varies the finder field of view and a finder driving ring which is rotatable coaxially to and independently of the lens barrel cam ring are also provided. Further, a finder field of view varying mechanism, which moves the movable optical member of the finder optical system, is association with the rotation of the finder driving ring, to vary the finder field of view, and a reduction gear mechanism, which reduces the number of revolutions of the lens barrel cam ring and transmits the reduced rotation to the finder driving ring are provided.
    • 一种变焦镜头照相机,包括围绕照相机的光轴旋转的镜筒凸轮环和具有根据透镜镜筒凸轮环的旋转而变化的可变焦距的摄影镜头系统。 还提供了具有使取景器视场改变的可移动光学构件和与透镜镜筒凸轮环同轴地可旋转并且独立于透镜镜筒凸轮环的取景器驱动环的取景器光学系统。 此外,使取景器光学系统的可移动光学构件移动的取景器视场变化机构与取景器驱动环的旋转相关联,以改变取景器视野,以及减小齿轮机构, 提供镜筒凸轮环的转数并将减小的旋转传递到取景器驱动环。
    • 65. 发明授权
    • Battery receptacle
    • 电池插座
    • US4863812A
    • 1989-09-05
    • US117150
    • 1987-09-28
    • Toshiaki UedaKatsuhiko NomuraYukio Takaoka
    • Toshiaki UedaKatsuhiko NomuraYukio Takaoka
    • H01M2/10B21H7/14G03B17/56H01M12/00
    • H01M2/1022
    • A battery receptacle is provided for selectively and alternately receiving a lithium battery (11) which has positive and negative terminals (13) on a first end face (9), and alkaline-manganese batteries (21), each of which includes positive (22) and negative (23) terminals on opposite first (8) and second (7) end faces thereof, respectively. The battery receptacle incorporates a receptacle housing (2) having a stationary wall or base (19, 31) for supporting one end of the lithium or alkaline-manganese batteries, and which also incorporates a spacer (4, 32) which is positioned around the alkaline-manganese batteries when they are positioned within the receptacle housing, as well as a lid (6, 33) which is adapted to selectively open and close the receptacle housing. The spacer is rotatably supported by the receptacle housing such that when the alkaline-manganese batteries are positioned within the receptacle, the spacer will be maintained about them, and when the lithium battery is positioned within the housing, the spacer will be positioned over the battery in the housing. Both the stationary wall and the lid have electrical contacts which correspond to the terminals of the alkaline-manganese batteries. Either the stationary wall or base (31), or the spacer (4), is provided with electrical contacts (4a, 36) which correspond to the terminals of the lithium battery to establish contact therewith terminals facing downwardly or its positive and negative terminals facing upwardly, respectively.
    • PCT No.PCT / JP87 / 00332 Sec。 371日期1987年9月28日第 102(e)1987年9月28日PCT PCT 1987年5月26日PCT公布。 出版物WO87 / 07435 日期为1987年12月3日。一种电池插座,用于选择性地交替地接收在第一端面(9)上具有正端子(13)的锂电池(11)和碱锰电池(21), 它们中的每一个分别在相对的第一(8)和第二(7)端面上包括正(22)和负(23)端子。 电池插座包括具有用于支撑锂或碱锰电池的一端的固定壁或基座(19,31)的插座壳体(2),并且还包括一个间隔件(4,32) 碱锰电池当它们位于插座壳体内时,以及适于选择性地打开和闭合插座壳体的盖子(6,33)。 间隔件由插座壳体可旋转地支撑,使得当碱锰电池位于容器内时,间隔件将被保持在其周围,并且当锂电池位于壳体内时,间隔件将位于电池 在房屋里 固定壁和盖都具有对应于碱锰电池端子的电触点。 固定壁或底座(31)或间隔件(4)均设有与锂电池的端子相对应的电触点(4a,36),以与其面对的端子建立接触或其正极和负极端子面对 分别向上。
    • 67. 发明授权
    • Synthetic amorphous silica powder and method for producing same
    • 合成无定形二氧化硅粉末及其制造方法
    • US08883110B2
    • 2014-11-11
    • US13520807
    • 2010-12-27
    • Toshiaki Ueda
    • Toshiaki Ueda
    • C01B33/158
    • C01B33/158C01P2004/03C01P2004/30C01P2004/54C01P2004/61C01P2006/12
    • The synthetic amorphous silica powder of the present invention is characterized in that it comprises a synthetic amorphous silica powder obtained by applying a spheroidizing treatment to a granulated silica powder, and by subsequently cleaning and drying it so that the synthetic amorphous silica powder has an average particle diameter D50 of 10 to 2,000 μm; wherein the synthetic amorphous silica powder has: a quotient between 1.35 exclusive and 1.75 inclusive obtained by dividing a BET specific surface area of the powder by a theoretical specific surface area calculated from the average particle diameter D50; a real density of 2.10 to 2.20 g/cm3; an intra-particulate porosity of 0 to 0.05; a circularity between 0.50 inclusive and 0.75 inclusive; and a spheroidization ratio between 0.20 inclusive and 0.55 exclusive.
    • 本发明的合成无定形二氧化硅粉末的特征在于,其包含通过对粒状二氧化硅粉末进行球化处理得到的合成无定形二氧化硅粉末,然后进行清洗和干燥,使得合成无定形二氧化硅粉末具有平均粒子 直径D50为10〜2000μm; 其中所述合成无定形二氧化硅粉末具有:通过将粉末的BET比表面积除以由平均粒径D50计算出的理论比表面积而得到的商品在1.35之间的纯度和1.75之间的商; 实际密度为2.10〜2.20g / cm3; 颗粒内孔隙率为0至0.05; 0.50包括在内,包括0.75的圆形; 球化率在0.20以上,0.55之间。