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    • 7. 发明申请
    • TWIST-HANDLED POWER TOOL WITH LOCKING SYSTEM
    • 带锁定系统的双绞电动工具
    • US20110266014A1
    • 2011-11-03
    • US12783850
    • 2010-05-20
    • Jason C. McRobertsAshok S. BaskarDavid A. Miller
    • Jason C. McRobertsAshok S. BaskarDavid A. Miller
    • B25F5/02
    • B25F5/02
    • A power tool with first and second housing portions, a powertrain, a mounting hub and a lock bar. The powertrain has an output member that extends from the second housing portion and which is movable relative to an output member axis. The mounting hub is fixedly coupled to one of the first and second housing portions. The lock bar is movably mounted to the other one of the first and second housing portions between a locked position and a first unlocked position. The lock bar cooperates with the mounting hub in the locked position to inhibit relative rotation between the first and second housing portions. Placement of the lock bar in the first unlocked position permits relative rotation between the first and second housing portions.
    • 具有第一和第二壳体部分的动力工具,动力系,安装轮毂和锁杆。 动力系具有从第二壳体部分延伸并且可相对于输出构件轴线移动的输出构件。 安装毂固定地联接到第一和第二壳体部分中的一个。 锁定杆在锁定位置和第一解锁位置之间可移动地安装到第一和第二壳体部分中的另一个。 锁定杆在锁定位置与安装毂配合以阻止第一和第二壳体部分之间的相对旋转。 锁定杆在第一解锁位置的放置允许第一和第二壳体部分之间的相对旋转。
    • 9. 发明授权
    • Common reset ROM
    • 普通复位ROM
    • US5867703A
    • 1999-02-02
    • US14154
    • 1998-01-27
    • David A. MillerKenneth A. JansenMontgomery C. McGrawDarren J. Cepulis
    • David A. MillerKenneth A. JansenMontgomery C. McGrawDarren J. Cepulis
    • G06F9/445G06F11/14G06F11/20G06F11/22G06F9/06
    • G06F11/1417G06F11/22G06F11/2284G06F15/177G06F9/4403G06F9/4405G06F11/2038G06F11/2043G06F9/4416
    • Two design variations which allow multiple processors to start up using a single ROM are disclosed. In each design, a single, primary processor is allowed to perform a complete POST while the remaining, secondary processors are directed in the course of their POST to perform a more limited initialization sequence. At power on, the primary processor begins a normal POST, while the secondary processors are held until a vector is placed into a redirection vector location. Each secondary processor is then subsequently started, using its own initialization code located at the address indicated by the redirection vector. The first technique is applicable to general multiprocessor systems because the implementation of this design can be run either from external software or from an addition to the operating system of the particular machine on which it is being used. The second technique is more specifically oriented to a particular system, and includes the use of an identity register to differentiate between primary and secondary processors.
    • 公开了允许使用单个ROM启动多个处理器的两种设计变型。 在每个设计中,允许单个主处理器执行完整的POST,而剩余的辅助处理器在其POST过程中被引导以执行更有限的初始化序列。 上电时,主处理器开始正常POST,而辅助处理器保持,直到向量放置到重定向向量位置。 然后,使用其位于由重定向向量指示的地址处的自己的初始化代码随后启动每个二级处理器。 第一种技术适用于一般的多处理器系统,因为这种设计的实现可以从外部软件运行,也可以从添加到正在使用它的特定机器的操作系统运行。 第二种技术更具体地针对特定系统,并且包括使用身份寄存器来区分主处理器和辅助处理器。
    • 10. 发明授权
    • Synchronization of digital systems using optical pulses and mdoulators
    • 数字系统使用光脉冲和调制器的同步
    • US5822106A
    • 1998-10-13
    • US774551
    • 1996-12-30
    • Wayne H. KnoxDavid A. Miller
    • Wayne H. KnoxDavid A. Miller
    • G06F1/10H04L7/00H04L7/033G02F1/03
    • H04L7/0075G06F1/105H04L7/0337
    • The present invention provides synchronization of logic signals in a digital system using optical pulses generated from optical modulators. In one embodiment of the present invention, electrically driven optical modulators are positioned at electrical outputs of interest, and the modulators are read out in accordance with synchronized optical pulses produced from a timing source, where the optical pulse lengths are relatively short compared to the electrical output pulse length. The resulting modulated optical pulses output from the optical modulators are then all once more synchronous, with the skew in the original electrical signals having been removed. These optical pulses can then be communicated over optical channels, such as fiber or free space, with well controlled delay, thereby also reducing problems of variable delay in electrical connections. The optical signals can then be read by photodetectors at the inputs to further stages of digital processing, giving inputs that are synchronized once more despite the different delays or skews in the original electrical signals.
    • 本发明提供使用从光学调制器产生的光脉冲的数字系统中的逻辑信号的同步。 在本发明的一个实施例中,电驱动光调制器位于感兴趣的电输出处,并且根据从定时源产生的同步光脉冲读出调制器,其中光脉冲长度相对于电 输出脉冲长度。 然后,从光调制器输出的所得到的调制光脉冲全部再次同步,原始电信号中的偏斜已被去除。 然后,这些光脉冲可以通过诸如光纤或自由空间的光信道进行传输,具有良好控制的延迟,从而也减少电连接中可变延迟的问题。 然后光信号可以在数字处理的进一步的输入处由光电探测器读取,给出即使在原始电信号中出现不同延迟或偏斜的情况下一次同步的输入。