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    • 3. 发明授权
    • Socket adaptor for ratchet
    • 棘轮插座适配器
    • US06257096B1
    • 2001-07-10
    • US09699090
    • 2000-10-30
    • David Ling
    • David Ling
    • B25B1346
    • B25B13/463B25B23/00B25B23/0035
    • A socket adaptor is mounted to a box end of a ratchet-type ring spanner of the type having a hollow ratchet wheel rotatably mounted in the box end. The socket adaptor includes a disc, a mediate section projected from the disc and releasably engaged with the hollow ratchet wheel mounted in the box end of the wrench, and a distal socket engaging portion beyond the hollow ratchet wheel. The mediate section of the socket adaptor has an outer periphery for releasably engaging with an inner periphery of the hollow ratchet wheel to rotate therewith. The distal socket engaging portion is to be releasably engaged with a socket.
    • 插座适配器安装在具有可旋转地安装在盒端中的中空棘轮类型的棘轮式环形扳手的盒端。 插座适配器包括盘,从盘突出并且可释放地与安装在扳手的盒端部的中空棘轮接合的中间部分,以及远离中空棘轮的远侧插座接合部分。 插座适配器的中间部分具有用于可释放地与中空棘轮的内周接合以与其一起旋转的外周边。 远端插座接合部分可以与插座可释放地接合。
    • 8. 发明授权
    • Process for making ratchet wheels
    • 制造棘轮的工艺
    • US06701768B2
    • 2004-03-09
    • US10161254
    • 2002-05-31
    • David LingHsien-Chung Tuan-Mu
    • David LingHsien-Chung Tuan-Mu
    • B21D2200
    • B21J5/12B21K1/30B21K5/00B21K21/08B23P15/00B25B13/04B25B13/065B25B23/0071
    • A process for making ratchet wheels includes a step of providing a work with a first end and a second end, a step of punching the work by means of a punch so as to define a large recess through the second end, a step of cutting away the first end of the work, a step of defining two annular grooves in a periphery of the work and a step of forming a plurality of teeth on the work. The process may include, before the step of cutting away the first end of the work, a step of punching the work in order to define a small recess with a diameter smaller than that of the large recess, a step of punching the work so as to define an opening with a diameter smaller than that of the small recess wherein the opening extends through the first end of the work. The process may include a step of defining a shallow recess in the second end of the work before the step of defining the large recess.
    • 制造棘轮的方法包括:通过冲头将工件冲压成第一端和第二端的步骤,以便通过第二端限定大的凹槽;切割步骤 工件的第一端,在工件的周边限定两个环形槽的步骤和在工件上形成多个齿的步骤。 该过程可以包括在切除工件的第一端的步骤之前,冲压工件以便限定直径小于大凹部直径的小凹部的步骤,冲压工件的步骤,以便 以限定直径小于小凹部的直径的开口,其中开口延伸穿过工件的第一端。 该方法可以包括在限定大凹部的步骤之前在工件的第二端限定浅凹部的步骤。
    • 9. 发明授权
    • Data processing system having an auto-ranging low voltage detection
circuit
    • 数据处理系统具有自动量程低电压检测电路
    • US5894423A
    • 1999-04-13
    • US780117
    • 1996-12-26
    • David LingLloyd Paul MatthewsThomas Lovell PortlockEdward John Hathaway
    • David LingLloyd Paul MatthewsThomas Lovell PortlockEdward John Hathaway
    • G01R19/165G06F1/28H03K5/08
    • H03K5/088
    • A Voltage Range Detection Circuit (VRDC) (8) determines the supply voltage range of the integrated circuit. In general, voltage detector (10) determines the voltage level of supply voltage V.sub.DD and stores the result of this determination in storage (12). Resistor network (14), which receives the stored result, configures itself in the proper resistor configuration for the determined supplied voltage such that a compare signal is generated that represents a Variable Low Voltage Detection (VLVD) switch point. Resistor network (14) outputs this generated VLVD switch point signal to a first input of comparator (18) to be compared with the constant level reference voltage output by voltage reference (16) at a second input of comparator (18). When the output of resistor network (14) drops below the reference voltage provided by voltage reference (16), comparator (18) outputs a reset signal to disable the chip because a low voltage condition has occurred. As will be appreciated, this single circuit implementation eliminates the need to provide multiple low voltage detection circuits to sense each of the possible voltage operating ranges.
    • 电压范围检测电路(VRDC)(8)确定集成电路的电源电压范围。 通常,电压检测器(10)确定电源电压VDD的电压电平,并将该确定的结果存储在存储器(12)中。 接收存储结果的电阻网络(14)将自身配置为确定的供电电压的适当的电阻器配置,使得生成表示可变低电压检测(VLVD)切换点的比较信号。 电阻网络(14)将该产生的VLVD切换点信号输出到比较器(18)的第一输入端,以与在比较器(18)的第二输入处由电压基准(16)输出的恒定电平基准电压进行比较。 当电阻网络(14)的输出下降到由参考电压(16)提供的参考电压以下时,比较器(18)输出一个复位信号以使芯片失效,因为发生了低电压状态。 可以理解,这种单电路实现消除了提供多个低电压检测电路来检测每个可能的电压工作范围的需要。