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    • 83. 发明公开
    • Superconductor-normal conductor junction device
    • Supraleiter-NormalleiterÜbergangsanordnung。
    • EP0664565A2
    • 1995-07-26
    • EP95300423.1
    • 1995-01-24
    • HITACHI EUROPE LIMITED
    • Williams, David ArfonMarsh, Adrian MichaelAhmed, HaroonAlphenaar, Bruce William
    • H01L29/43H01L29/861H01L39/14
    • H01L29/437
    • A superconductor-normal conductor junction device comprises first and second regions (1, 3) of normal material forming first and second junctions with a superconducting material (2), the Fermi level of the first region of normal material being so arranged relative to a given energy level in the superconducting material that charge carriers in the first normal material undergo Andreev reflection at the first junction, resulting in pairs of the charge carriers entering said given energy level in the superconducting material, and the Fermi level of the second region of normal material being so arranged relative to said given level in the superconducting material that said charge carriers conduct from the superconducting material through the second region.
    • 超导体 - 正常导体连接装置包括正常材料的第一和第二区域(1,3),其形成具有超导材料(2)的第一和第二结,正常材料的第一区域的费米能级相对于给定的 在第一正常材料中对载流子进行电荷的超导材料中的能量级在第一接头处经历安德烈夫反射,导致进入超导材料中所述给定能级的电荷载体对,以及正常材料的第二区域的费米能级 在所述超导材料中相对于所述给定的水平布置所述电荷载体从所述超导材料通过所述第二区域传导。
    • 84. 发明公开
    • Displacement transducer
    • Weggeber。
    • EP0612973A1
    • 1994-08-31
    • EP94300618.9
    • 1994-01-27
    • HITACHI EUROPE LIMITED
    • White, Julian D.
    • G01B7/00G01D5/18G01N27/00G01B7/34
    • G01Q20/00G01B7/00G01D5/18
    • A displacement transducer consists of an electrometer through which charge transport is limited by Coulomb blockade and a displacement member which degenerates the Coulomb blockade effect as a function of displacement. The electrometer comprises a nanofabricated conductive island (1) with a source and drain (2, 3) coupled to the island through tunnel junctions (T1, T2). A movable metallic element (4) forms a capacitive coupling (Cg) with the island, which degenerates the Coulomb blockade as a function of displacement (δx), so that the current flow between the source and drain is a function of the displacment of the element (4).
    • 位移传感器由静电计组成,电荷传输由库仑阻挡限制,并且位移构件使库仑阻挡效应随着位移的变化而退化。 静电计包括具有通过隧道结(T1,T2)耦合到岛的源极和漏极(2,3)的纳米制导电岛(1)。 可移动金属元件(4)与岛形成电容耦合(Cg),其将库仑阻挡作为位移(delta x)的函数退化,使得源极和漏极之间的电流流动是位移的函数 元件(4)。
    • 85. 发明公开
    • An automatic design process and apparatus
    • Verfahren und Vorrichtung zum automatischen Entwerfen。
    • EP0581723A2
    • 1994-02-02
    • EP93650027.1
    • 1993-07-28
    • HITACHI EUROPE LIMITED
    • Cunningham, Padraig, Dr.Smyth, Barry
    • G06F9/44G06F15/60
    • G06N5/022G06F17/50
    • A memory (2) is partitioned dynamically into panels (10, 20-27) which are referenced by processing agents (25-30). The panels include a case-base (10) of previously-generated design solutions. The case-base (10) has a taxonomic structure, and cases (12) in the case-base (10) have a partonomic structure. The agents are effectively self-activating by monitoring of memory write operations. They carry out a design process by initially retrieving a case (12) and adapting the case to conformity with a target specification in a panel (24). The memory (2) is effectively used for "pasting" of agent outputs, both final and intermediate. Use of the case-base (10) in combination with the memory sections or panels leads to versatility in that the apparatus (1) may be used for a range of different automatic design processes.
    • 存储器(2)被动态分割成由加工剂(25-30)引用的面板(10,20-27)。 面板包括以前生成的设计解决方案的案例库(10)。 案例基础(10)具有分类结构,案例(10)中的案例(12)具有经济结构。 这些代理通过监视存储器写入操作来实现自激活。 它们通过首先检索壳体(12)并使壳体适应于面板中的目标规格(24)来执行设计过程。 记忆(2)有效地用于“粘贴”代理输出,包括最终和中间。 使用壳体(10)与存储器部分或面板组合导致多功能性,因为装置(1)可用于一系列不同的自动设计过程。
    • 88. 发明公开
    • Optical switching apparatus
    • 光开关装置
    • EP1128204A1
    • 2001-08-29
    • EP01301764.5
    • 2001-02-27
    • HITACHI EUROPE LIMITED
    • Heberle, Albert P.Allam, Jeremy
    • G02F1/35
    • B82Y20/00G02F1/01716G02F1/3515G02F1/3517G02F1/3521H01S5/105H01S5/18302
    • An optical switching apparatus comprises an optically resonant system (3, 12) and a pulse source configuration (1, 2) to direct first and second pulses (P 1 , P 2 ) of optical radiation into the resonant system, the first pulse (P 1 ) being configured to produce a coherent excitation of the resonant optical system so as to change its optical characteristics and the second pulse (P 2 ) being of a phase to thereafter de-excite the coherent excitation produced by the first pulse. According to the invention, a device (13, 34) driveable externally of the resonant system such as an optical amplifier or a laser, maintains the coherence of the excitation produced by the first pulse until de-excited by the second pulse. The optically resonant system may comprise an optically responsive medium (3) which is capable of being switched into a state of coherent resonance or a resonant cavity.
    • 一种光开关装置包括光学谐振系统(3,12)和脉冲源配置(1,2),以将光辐射的第一和第二脉冲(P1,P2)引导到谐振系统中,第一脉冲(P1)是 被配置为产生共振光学系统的相干激励以便改变其光学特性并且第二脉冲(P2)具有相位以此后去激励由第一脉冲产生的相干激励。 根据本发明,可以在谐振系统外部驱动的设备(13,34)例如光放大器或激光器保持由第一脉冲产生的激励的相干性,直到由第二脉冲去激励为止。 光学谐振系统可以包括能够切换到相干谐振状态或谐振腔的光学响应介质(3)。
    • 89. 发明公开
    • Optical switching apparatus
    • Optische Schalteinrichtung
    • EP1128203A1
    • 2001-08-29
    • EP00301567.4
    • 2000-02-28
    • HITACHI EUROPE LIMITED
    • Heberle, Albert P.Allam, Jeremy
    • G02F1/35H01S5/12H01S5/183
    • B82Y20/00G02F1/01716G02F1/3515G02F1/3517G02F1/3521H01S5/18302
    • An optical switching apparatus comprises an optically resonant system (3, 12) and a pulse source configuration (1, 2) to direct first and second pulses (P 1 , P 2 ) of optical radiation into the resonant system, the first pulse (P 1 ) being configured to produce a coherent excitation of the resonant optical system so as to change its optical characteristics and the second pulse (P 2 ) being of a phase to thereafter de-excite the coherent excitation produced by the first pulse. According to the invention, a device (13, 34) driveable externally of the resonant system such as an optical amplifier or a laser, maintains the coherence of the excitation produced by the first pulse until de-excited by the second pulse. The optically resonant system may comprise an optically responsive medium (3) which is capable of being switched into a state of coherent resonance or a resonant cavity.
    • 一种光学开关设备包括光学谐振系统(3,12)和用于将光辐射的第一和第二脉冲(P1,P2)引导到谐振系统中的脉冲源配置(1,2),第一脉冲(P1)是 被配置为产生所述谐振光学系统的相干激发,以便改变其光学特性,并且所述第二脉冲(P2)是相位,从而去激发由所述第一脉冲产生的相干激发。 根据本发明,可以在诸如光放大器或激光器的谐振系统外部驱动的器件(13,34)保持由第一脉冲产生的激励的相干性,直到第二脉冲去激发。 光学谐振系统可以包括光学响应介质(3),其能够被切换到相干谐振或谐振腔的状态。