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    • 5. 发明授权
    • Apparatus for raising or tilting a micromechanical structure
    • 用于升高或倾斜微机械结构的装置
    • US07421924B1
    • 2008-09-09
    • US11201457
    • 2005-08-11
    • James J. Allen
    • James J. Allen
    • G05G11/00H02N1/00G02B7/182G02B6/26
    • G02B26/0841B81B5/00B81B7/0003B81B2203/058Y10T74/20207Y10T74/20354
    • An active hinge apparatus is disclosed which can be used to raise a micromechanical structure (e.g. a plate or micromirror) on a substrate. The active hinge apparatus utilizes one or more of teeth protruding outward from an axle which also supports the micromechanical structure on one end thereof. A rack is used to engage the teeth and rotate the axle to raise the micromechanical structure and tilt the structure at an angle to the substrate. Motion of the rack is provided by an actuator which can be a mechanically-powered actuator, or alternately an electrostatic comb actuator or a thermal actuator. A latch can be optionally provided in the active hinge apparatus to lock the micromechanical structure in an “erected” position.
    • 公开了一种主动铰链装置,其可用于在基板上升高微机械结构(例如板或微镜)。 主动铰链装置利用一个或多个从轴的外部突出的齿,其一端也支撑微机械结构。 齿条用于接合齿并旋转轴以提高微机械结构,并使结构与基板成一定角度倾斜。 机架的运动由致动器提供,致动器可以是机械动力的致动器,或者是静电梳状致动器或热致动器。 可以可选地在主动铰链装置中设置闩锁以将微机械结构锁定在“竖立”位置。
    • 8. 发明授权
    • Microelectromechanical reciprocating-tooth indexing apparatus
    • 微机电往复齿分度装置
    • US5959376A
    • 1999-09-28
    • US150873
    • 1998-09-10
    • James J. Allen
    • James J. Allen
    • F16H27/02H02N1/00F16H21/16
    • H02N1/006F16H27/02Y10T74/1529
    • An indexing apparatus is disclosed that can be used to rotate a gear or move a rack in a precise, controllable manner. The indexing apparatus, based on a reciprocating shuttle driven by one or more actuators, can be formed either as a micromachine, or as a millimachine. The reciprocating shuttle of the indexing apparatus can be driven by a thermal, electrostatic or electromagnetic actuator, with one or more wedge-shaped drive teeth of the shuttle being moveable to engage and slide against indexing teeth on the gear or rack, thereby moving the gear or rack. The indexing apparatus can be formed by either surface micromachining processes or LIGA processes, depending on the size of the apparatus that is to be formed.
    • 公开了一种分度设备,其可用于以精确,可控的方式旋转齿轮或移动齿条。 基于由一个或多个致动器驱动的往复运动梭的分度装置可以形成为微型机械或作为机动机。 分度装置的往复往复运动可以由热静电或电磁致动器驱动,其中梭子的一个或多个楔形驱动齿可移动以与齿轮或齿条上的分度齿啮合并滑动,从而移动齿轮 或机架。 取决于要形成的装置的尺寸,分度装置可以通过表面微加工工艺或LIGA工艺形成。
    • 9. 发明申请
    • STRUCTURE FOR DATA BUS BANDWIDTH SCHEDULING IN AN FBDIMM MEMORY SYSTEM OPERATING IN VARIABLE LATENCY MODE
    • 在可变延迟模式下操作的FBDIMM存储器系统中的数据总线带宽调度结构
    • US20080215783A1
    • 2008-09-04
    • US12110765
    • 2008-04-28
    • James J. AllenSteven K. JenkinsMichael R. Trombley
    • James J. AllenSteven K. JenkinsMichael R. Trombley
    • G06F13/366G06F13/00G06F13/14G06F13/36
    • G06F13/1689
    • A design structure embodied in a machine readable storage medium for designing, manufacturing, and/or testing a design for scheduling the servicing of data requests, using the variable latency mode, in an FBDIMM memory sub-system is provided. A scheduling algorithm pre-computes return time data for data connected to DRAM buffer chips and stores the return time data in a table. The return time data is expressed as data return time binary vectors with one bit equal to “1” in each vector. For each received data request, the memory controller retrieves the appropriate return time vector. Additionally, the scheduling algorithm utilizes an updated history vector to determine whether the received request presents a conflict to the executing requests. By computing and utilizing a score for each request, the scheduling algorithm re-orders and schedules the execution of selected requests to preserve as much data bus bandwidth as possible, while avoiding conflict.
    • 提供了一种体现在机器可读存储介质中的设计结构,用于在FBDIMM存储器子系统中使用可变延迟模式来设计,制造和/或测试用于调度数据请求的服务的设计。 调度算法预先计算连接到DRAM缓冲器芯片的数据的返回时间数据,并将返回时间数据存储在表中。 返回时间数据表示为在每个向量中一位等于“1”的数据返回时间二进制向量。 对于每个接收到的数据请求,存储器控制器检索适当的返回时间向量。 此外,调度算法利用更新的历史向量来确定接收到的请求是否对执行请求产生冲突。 通过计算和利用每个请求的分数,调度算法重新排序和调度所选择的请求的执行,以尽可能地保留尽可能多的数据总线带宽,同时避免冲突。
    • 10. 发明授权
    • Bluff body energy converter
    • 虚张体能转换器
    • US07224077B2
    • 2007-05-29
    • US11035253
    • 2005-01-13
    • James J. Allen
    • James J. Allen
    • H02P9/04
    • F03D5/06F03D5/00F05B2210/16F05B2260/96Y02E10/70
    • A power generating system comprises a bluff (non-streamlined) body placed in a fluid stream at ninety degrees to the flow direction for creating a von Karman vortex street behind the body. In the process, feedback forces are generated that excite the bluff body into oscillation. The bluff body oscillatory movements are coupled to and energize a power generator. An impedance matching system is employed for electrically varying the natural frequency characteristics of the bluff body such that, over a relatively wide range of fluid flow velocities, the bluff body oscillates at a resonant frequency of the body for maximum energy transfer from the fluid stream to the bluff body.
    • 一个发电系统包括一个虚幻的(非流线型的)身体,其放置在与流动方向九十度的流体流中,以在身体后面创建一个冯卡曼涡街。 在此过程中,会产生反馈力,从而将虚张声势的身体激发成振荡。 非流线体振荡运动被耦合到发电机并使发电机通电。 阻抗匹配系统用于电变化非流线体的固有频率特性,使得在相对较宽的流体流速范围内,非流线体以身体的谐振频率振荡,以从流体流到 虚张声势的身体。