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    • 1. 发明授权
    • Valve control system
    • 阀门控制系统
    • US06254057B1
    • 2001-07-03
    • US09178082
    • 1998-10-22
    • Peter PubbenScott PhillipsSandeep Munshi
    • Peter PubbenScott PhillipsSandeep Munshi
    • F16K31128
    • F16K7/17F16K31/365Y10T137/8667Y10T137/86984
    • A fluid control valve has a valve member which, on closing creates a stagnation zone between the valve member and a surface within the valve. In the stagnation zone fluid pressure is greater than it is in an adjacent constriction zone. This causes the valve to close slowly, thereby reducing the likelihood that water hammer will occur on closure of the valve. The design of the valve member also reduces resonances which can cause annoying noises and premature wear. A flow restriction chamber further slows closure of the valve. The fluid control valve may be controlled by a conventional 3-way pilot valve. Preferably the fluid control valve is used with a pilot valve according to the invention having a rocker member which, on actuation, first closes an inlet valve member and then opens an outlet valve member. The pilot valve may be used in other situations where a 3-way valve is needed.
    • 流体控制阀具有阀构件,其在闭合时在阀构件和阀内的表面之间形成停滞区。 在停滞区域中,流体压力大于相邻收缩区域中的压力。 这导致阀门缓慢关闭,从而降低了阀门关闭时水锤发生的可能性。 阀构件的设计还减少了可能导致烦人的噪音和过早磨损的共振。 流量限制室进一步减慢了阀的关闭。 流体控制阀可以由常规的三通先导阀来控制。 优选地,流体控制阀与根据本发明的先导阀一起使用,其具有摇动构件,所述摇动构件在致动时首先关闭入口阀构件,然后打开出口阀构件。 先导阀可用于需要三通阀的其他情况。
    • 2. 发明授权
    • Valve control system
    • 阀门控制系统
    • US06382585B1
    • 2002-05-07
    • US09691727
    • 2000-10-18
    • Peter PubbenScott PhillipsSandeep Munshi
    • Peter PubbenScott PhillipsSandeep Munshi
    • F16K3112
    • F16K7/17F16K31/365Y10T137/8667Y10T137/86984
    • A fluid control valve has a valve member which, on closing creates a stagnation zone between the valve member and a surface within the valve. In the stagnation zone fluid pressure is greater than it is in an adjacent constriction zone. This causes the valve to close slowly, thereby reducing the likelihood that water hammer will occur on closure of the valve. The design of the valve member also reduces resonances which can cause annoying noises and premature wear. A flow restriction chamber further slows closure of the valve. The fluid control valve may be controlled by a conventional 3-way pilot valve. Preferably the fluid control valve is used with a pilot valve according to the invention having a rocker member which, on actuation, first closes an inlet valve member and then opens an outlet valve member. The pilot valve may be used in other situations where a 3-way valve is needed.
    • 流体控制阀具有阀构件,其在闭合时在阀构件和阀内的表面之间形成停滞区。 在停滞区域中,流体压力大于相邻收缩区域中的压力。 这导致阀门缓慢关闭,从而降低了阀门关闭时水锤发生的可能性。 阀构件的设计还减少了可能导致烦人的噪音和过早磨损的共振。 流量限制室进一步减慢了阀的关闭。 流体控制阀可以由常规的三通先导阀来控制。 优选地,流体控制阀与根据本发明的先导阀一起使用,其具有摇动构件,所述摇动构件在致动时首先关闭入口阀构件,然后打开出口阀构件。 先导阀可用于需要三通阀的其他情况。
    • 6. 发明申请
    • Pachymeter
    • 速度计
    • US20060241437A1
    • 2006-10-26
    • US10552849
    • 2004-04-08
    • Scott PhillipsBjarne HansenTimothy Ehrecke
    • Scott PhillipsBjarne HansenTimothy Ehrecke
    • A61B8/00
    • A61B8/0858A61B3/1005A61B3/16A61B8/10
    • A pachymeter apparatus for measuring corneal thickness is configured for the calculation of intraocular pressure (“IOP”). The apparatus includes a pachymeter for measuring corneal thickness as well as a microprocessor and a user interface. A reading of IOP from a tonometer can be entered into the device and corrected according to the pachymeter reading of corneal thickness. Correction algorithms are user selectable and user customizable. A pachymeter may have a graphical display which displays multiple locations at which measurements are to be taken. A pachymeter may use a capacitor charged by a variable current supply to measure times for signals to be reflected from a back side of a cornea.
    • 用于测量角膜厚度的测厚仪装置被配置用于计算眼内压(“IOP”)。 该装置包括用于测量角膜厚度的测厚仪以及微处理器和用户界面。 从眼压计读取眼压可以进入设备,并根据角膜厚度的读数读数进行校正。 校正算法是用户可选择和用户可定制的。 凹凸仪可以具有图形显示,其显示要进行测量的多个位置。 脉搏计可以使用由可变电流源充电的电容器来测量从角膜的背面反射的信号的时间。
    • 8. 发明授权
    • Planar magnetic acoustical transducer stamped pole structures
    • 平面磁声换能器冲压杆结构
    • US06185310B2
    • 2001-02-06
    • US09121182
    • 1998-07-23
    • Mohammad KermaniScott PhillipsF. Bruce ThigpenMarc DelormeMichael Montour
    • Mohammad KermaniScott PhillipsF. Bruce ThigpenMarc DelormeMichael Montour
    • H04R2500
    • H04R13/00
    • A planar magnetic acoustical transducer including a diaphragm with electrical circuit carrying conductors having a width substantially equal to a combined width of a plurality of magnetic fields created by equally spaced opposing rows of permanent magnets carried by opposing frame sections between which the diaphragm is mounted such that substantially the entire active area of the diaphragm is driven to create a smooth frequency response. The electrical circuit includes generally parallel segments which are aligned within the magnetic fields created by the rows of opposing magnets and are spaced at a distance relative to one another generally not less than a distance equal to a width of pole elements which are integrally formed with the frame sections and which pole elements are spaced intermediate each of the rows of magnets so as to be in an opposing relationship with one another on opposite sides of the diaphragm.
    • 一种平面磁声换能器,包括具有电路的电路,该电路承载导体,该导体的宽度基本上等于由相对的框架部分承载的等间隔相对的永久磁体排产生的多个磁场的组合宽度, 基本上驱动隔膜的整个有效区域以产生平滑的频率响应。 电路包括大致平行的段,它们在由相对的磁体的行产生的磁场内对齐,并且相对于彼此间隔一定距离,通常不小于等于与元件一体形成的极点的宽度的距离 框架部分,并且哪些极性元件在每排磁体之间间隔开,以便在隔膜的相对侧上彼此处于相对的关系。
    • 9. 发明授权
    • Method for tamper-proof identification using photorefractive crystals
    • 使用光折变晶体进行防篡改识别的方法
    • US5619025A
    • 1997-04-08
    • US238429
    • 1994-05-05
    • Joel HickmanScott PhillipsColin Brady
    • Joel HickmanScott PhillipsColin Brady
    • G06K7/14G06K19/06G06K7/10
    • G06K7/14G06K19/06046
    • A method and apparatus for document verification exploits a temporally variable physical process to generate a reproducible effect that cannot be copied. A document such as a credit card is provided with a spot or stripe that incorporates at least one, and preferably a large plurality of photorefractive crystals arrayed in a random manner. The document verifying apparatus includes a coherent light source such as a diode laser to illuminate the photorefractive crystals, and a photosensor to receive light scattered from the photorefractive crystals. The random distribution and orientation of photorefractive crystals comprises a unique characteristic for each card or document, and this characteristic is not based on any assigned number or code. The response of photorefractive crystals to the coherent illumination comprises a time-varying characteristic that is dependent upon the intensity and temporal nature of the illumination itself. Input to the laser illuminator may be varied to elicit differing responses from the photorefractive crystals, and this factor may be very difficult for a counterfeiter to ascertain. Also, for any given illumination intensity or temporal pattern, the image received by the photosensor varies with time. The time at which the photosensor signal is sampled to obtain an identifying image may also be varied, thereby further compounding the difficulty for a counterfeiter to overcome. A large number of "snapshots" of the time-varying image of the document is electronically captured, digitized, and stored in an electronic media. The photosensor signal is compared to the stored data; a match indicates a valid document, and no match indicates an invalid or unauthorized document. The image recognition process can be enhanced by comparing the rate of change in a sequence of images elicited by the laser illuminator.
    • 用于文件验证的方法和装置利用时间上可变的物理过程来产生不可复制的可再现效果。 诸如信用卡的文件被提供有点或条纹,其包含以随机方式排列的至少一个,优选大量的光折变晶体。 文件验证装置包括诸如用于照射光折射晶体的二极管激光器的相干光源和用于接收从光折射晶体散射的光的光电传感器。 光折射晶体的随机分布和取向包括每个卡或文件的唯一特性,并且该特征不基于任何分配的数字或代码。 光折射晶体对相干照明的响应包括取决于照明本身的强度和时间性质的时变特性。 可以改变对激光照射器的输入以引起与光折射晶体的不同响应,并且这个因素对于伪造者来说可能是非常困难的。 此外,对于任何给定的照明强度或时间图案,由光电传感器接收的图像随时间变化。 光传感器信号被采样以获得识别图像的时间也可以变化,从而进一步增加了伪造者克服的难度。 文档的时变图像的大量“快照”被电子捕获,数字化并存储在电子媒体中。 将光电传感器信号与存储的数据进行比较; 匹配表示有效的文档,没有匹配表示无效或未经授权的文档。 可以通过比较由激光照明器引发的图像序列的变化率来增强图像识别过程。