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    • 5. 发明授权
    • Molten metal pouring device
    • 熔融金属浇注装置
    • US4324392A
    • 1982-04-13
    • US118476
    • 1980-02-04
    • Ellis S. WhiteWilliam C. ZatkoffJohn J. LightRamon Michen
    • Ellis S. WhiteWilliam C. ZatkoffJohn J. LightRamon Michen
    • B22D37/00B22D41/04
    • B22D41/04B22D37/00
    • An improved apparatus for pouring molten metal into a mold or other cavity. The apparatus includes a tiltable pouring ladle having a pouring spout disposed coaxially with the axis of rotation or tilt of the ladle to permit pouring of metal in a direction coincident with such axis of rotation. The apparatus is further provided with a positionable pouring trough for directing molten metal from the pouring spout to a pouring cup located at any position on the mold surface. With this apparatus, a fixed relationship between the pouring spout, the pouring trough, and the mold surface at any phase of the pouring process may be maintained such that the trajectory of molten metal being poured through air is minimized. The ladle is shaped such that molten metal may be poured at a rate proportional to the tilting rate of the ladle. The ladle also includes apparatus for preventing impurities such as slag or dross inclusions introduced into the ladle with the molten metal from being poured into the casting. The entire apparatus is contained within a frame permitting it to be readily attached to a coventional crane or monorail system as an easily effected substitute for a conventional manual pouring device.
    • 一种用于将熔融金属浇注到模具或其它空腔中的改进的装置。 该设备包括一倾斜倾倒浇包,该倾倒浇道具有与钢包的旋转或倾斜轴同轴设置的倾倒口,以允许金属沿与该旋转轴线重合的方向倾倒。 该设备还设置有可定位的倾倒槽,用于将熔融金属从倾倒口引导到位于模具表面上任何位置的浇注杯。 利用该装置,可以保持倾倒口,倾倒槽和浇注过程任何阶段的模具表面之间的固定关系,使得通过空气注入的熔融金属的轨迹最小化。 钢包的形状使得熔融金属可以以与钢包倾斜速率成比例的速率浇注。 钢包还包括用于防止杂质如渣或渣滓夹杂物引入钢包中的熔融金属被倒入铸件中的装置。 整个装置包含在框架内,允许其容易地附接到常规起重机或单轨系统,作为常规手动倾倒装置的容易实现的替代物。
    • 10. 发明授权
    • Session authentication using temporary passwords
    • 会话认证使用临时密码
    • US07278024B2
    • 2007-10-02
    • US10621794
    • 2003-07-16
    • Muralidharan SundararajanJohn J. LightTrevor A. PeringRoy Want
    • Muralidharan SundararajanJohn J. LightTrevor A. PeringRoy Want
    • H04K1/00G06F7/04
    • G06F21/36G06F21/35
    • Authenticating a user of an un-trusted computing system, the user having at least one portable computing device coupled to a peripheral device, may be accomplished by randomly generating a temporary password by the portable computing device, sending the temporary password to the peripheral device, rendering the temporary password by the peripheral device for perception by the user, inputting a password, by the user, into the un-trusted computing system, receiving, by the portable computing device, the password input by the user from the un-trusted computing system, and allowing access to the portable computing device using the un-trusted computing system when the temporary password matches the user-inputted password. In one embodiment, the peripheral device may be a small form factor device worn by the user. In one embodiment, the user may carry or have immediate access to multiple portable computing devices.
    • 验证不可信计算系统的用户,具有耦合到外围设备的至少一个便携式计算设备的用户可以通过便携式计算设备随机生成临时密码,向临时设备发送临时密码来实现, 由外围设备呈现临时密码,以便用户感知,由用户输入密码到不可信计算系统中,由便携式计算设备接收用户从不可信计算输入的密码 系统,并且当临时密码与用户输入的密码匹配时,允许使用不可信计算系统访问便携式计算设备。 在一个实施例中,外围设备可以是由用户佩戴的小尺寸设备。 在一个实施例中,用户可携带或立即访问多个便携式计算设备。