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111 条记录 (耗时 0.03 秒)

    Identifying and treating bodily tissues using electromagnetically induced, time-reversed, acoustic signals
    11.
    发明申请
    Identifying and treating bodily tissues using electromagnetically induced, time-reversed, acoustic signals 审中-公开
    使用电磁感应，时间反转的声学信号识别和治疗身体组织

    公开(公告)号：US20070038060A1

    公开(公告)日：2007-02-15

    申请号：US11450097

    申请日：2006-06-09

    申请人： Stephen Cerwin ,  David Chang

    发明人： Stephen Cerwin ,  David Chang

    IPC分类号： A61B5/05

    CPC分类号： A61B7/00 ,  A61B5/05 ,  A61B6/00 ,  A61B8/08 ,  A61N7/00

    摘要： A method of detecting and treating cancerous or cancer-supporting tissue by applying low-power density electromagnetic signals to the tissue, inducing acoustic signals from a portion of the tissue that exhibits an electrical conductivity gradient, receiving the thus-induced acoustic signals and from them identifying the location of the tissue portion, applying time-reversal to the thus received acoustic signals, accumulating the strength of the time-reversed acoustic signals, and then applying the thus strengthened acoustic signals to the identified tissue portion.

    摘要翻译： 通过向组织施加低功率密度电磁信号来检测和治疗癌性或癌症支持组织的方法，从表现出电导梯度的组织的一部分诱导声信号，接收由此引起的声信号和从它们 识别组织部分的位置，对如此接收的声信号施加时间反转，累积时间反转的声信号的强度，然后将如此强化的声信号施加到所识别的组织部分。

    Blood pressure diagnostic aid
    12.
    发明申请
    Blood pressure diagnostic aid 失效
    血压诊断辅助

    公开(公告)号：US20060052711A1

    公开(公告)日：2006-03-09

    申请号：US10934843

    申请日：2004-09-03

    申请人： David Chang ,  James Drummond ,  Jane Emerson

    发明人： David Chang ,  James Drummond ,  Jane Emerson

    IPC分类号： A61B5/02

    CPC分类号： A61B5/0205 ,  A61B5/022 ,  A61B5/024

    摘要： A medical diagnostic method using systolic and diastolic blood pressures, and pulse frequency of a patient is provided to compute a normalized diastolic distensibility value and a normalized peripheral resistance value, and to automatically compute the product of the normalized diastolic distensibility value and the normalized peripheral resistance value to generate a first product value. The first product value is compared to a stored distribution of normalized diastolic distensibility and a normalized peripheral resistance values for comparable individuals to determine if the first product value is equivalent to a value determined to indicate an abnormal condition. Particular values of the computed parameters aid in determining the etiology of hypertension and direct selection of pharmacotherapy.

    摘要翻译： 提供使用收缩压和舒张压，以及患者脉搏频率的医学诊断方法来计算舒张压缩值和归一化外周电阻值，并自动计算舒张扩张值和标准化外周电阻的乘积 值以生成第一个产品值。 将第一产品值与存储的归一化舒张扩张分布和可比较个体的归一化外周电阻值进行比较，以确定第一产品值是否等于确定为指示异常状况的值。 计算参数的特定值有助于确定高血压的病因和药物治疗的直接选择。

    Quartz-based nanoresonators and method of fabricating same
    13.
    发明申请
    Quartz-based nanoresonators and method of fabricating same 有权
    基于石英的纳米谐振器及其制造方法

    公开(公告)号：US20050158905A1

    公开(公告)日：2005-07-21

    申请号：US11043378

    申请日：2005-01-25

    申请人： Randall Kubena ,  David Chang ,  Jinsoo Kim

    发明人： Randall Kubena ,  David Chang ,  Jinsoo Kim

    IPC分类号： H03H3/02 ,  H03H3/04 ,  H03H9/19 ,  H01L21/00

    CPC分类号： H03H9/19 ,  H03H3/04 ,  H03H2003/0414 ,  H03H2009/241 ,  Y10T29/42 ,  Y10T29/49005 ,  Y10T29/4908 ,  Y10T29/49128 ,  Y10T29/49165

    摘要： A method for fabricating a quartz nanoresonator which can be integrated on a substrate, along with other electronics is disclosed. In this method a quartz substrate is bonded to a base substrate. The quartz substrate is metallized so that a bias voltage is applied to the resonator, thereby causing the quartz substrate to resonate at resonant frequency greater than 100 MHz. The quartz substrate can then be used to drive other electrical elements with a frequency equal to its resonant frequency. The quartz substrate also contains tuning pads to adjust the resonant frequency of the resonator. Additionally, a method for accurately thinning a quartz substrate of the resonator is provided. The method allows the thickness of the quartz substrate to be monitored while the quartz substrate is simultaneously thinned

    摘要翻译： 公开了一种用于制造可集成在基底上的石英纳米谐振器的方法以及其它电子器件。 在该方法中，将石英基板接合到基底基板。 石英衬底被金属化，使得偏置电压被施加到谐振器，从而使得石英衬底在大于100MHz的谐振频率下谐振。 石英衬底然后可用于以等于其谐振频率的频率驱动其它电气元件。 石英衬底还包含调谐垫以调节谐振器的谐振频率。 此外，提供了一种用于精确稀薄谐振器的石英衬底的方法。 该方法允许在石英衬底同时变薄的同时监测石英衬底的厚度

    CD frame
    19.
    外观设计
    CD frame 失效

    公开(公告)号：USD386932S

    公开(公告)日：1997-12-02

    申请号：US60244

    申请日：1996-09-25

    申请人： David Chang

    设计人： David Chang

    Bicycle rear-wheel hub assembly
    20.
    发明授权
    Bicycle rear-wheel hub assembly 失效
    自行车后轮轮毂总成

    公开(公告)号：US5299925A

    公开(公告)日：1994-04-05

    申请号：US795744

    申请日：1991-11-21

    申请人： David Chang

    发明人： David Chang

    IPC分类号： B62M9/10 ,  F16H55/12 ,  F16H55/30

    CPC分类号： B62M9/10 ,  Y10S474/903

    摘要： A bicycle rear-wheel hub includes an inner casing disposed in the hub at one side, an outer casing disposed on the inner casing, an axle inserted through the hub and a set of flywheels disposed on the outer casing. The hub includes an inner thread and a wheel shoulder at one end, and a rubber ring set inside the wheel shoulder in front of the inner thread. The inner casing has an outer thread at one end for engaging with the inner thread of the hub. The inner casing also has a tool hole at the opposite end for inserting a tool. The outer casing has a number of elongated grooves around the outer wall surface for fastening the set of flywheels. The flywheels each has a number of inner projections formed in a center hole for engaging with the elongated grooves of the outer casing.

    摘要翻译： 一种自行车后轮毂包括：一侧设置在轮毂中的内壳，设置在内壳上的外壳，通过轮毂插入的车轴和设置在外壳上的一组飞轮。 轮毂在一端包括内螺纹和轮肩，以及在内螺纹前面设置在轮肩内的橡胶环。 内壳在一端具有外螺纹，用于与轮毂的内螺纹啮合。 内壳体在相对端还具有用于插入工具的工具孔。 外壳具有围绕外壁表面的多个细长槽，用于紧固该组飞轮。 飞轮中的每一个具有形成在中心孔中的多个内部突起，用于与外壳的细长槽接合。