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    • 4. 发明授权
    • Tuned flexure accelerometer
    • 调谐弯曲加速度计
    • US06338274B1
    • 2002-01-15
    • US09316723
    • 1999-05-21
    • Raymond Carroll
    • Raymond Carroll
    • G01P15125
    • G01P15/08G01P1/006
    • A tuned flexure accelerometer, comprising, a housing; a gimbal coupled to the housing for oscillation about a gimbal oscillation axis; and a reference mass coupled by one or more pivots to the gimbal to allow pivoting motion of the reference mass relative to the gimbal about a pivot axis which is transverse to the gimbal oscillation axis, the one or more pivots having an effective elastic restraint. The gimbal is oscillated about its oscillation axis, to thereby induce on the one or more pivots an oscillating negative elastic restraint, to reduce the effective elastic restraint of the pivots.
    • 一种调谐的弯曲加速度计,包括:壳体; 耦合到壳体的万向架,用于围绕万向节振荡轴线振荡; 以及通过一个或多个枢轴联接到万向架的参考质量,以允许参考质量体围绕横向于万向架振动轴线的枢转轴线相对于万向节的枢转运动,所述一个或多个枢轴具有有效的弹性约束。 万向节围绕其摆动轴线振荡,从而在一个或多个枢轴上引起振动负弹性约束,以减少枢轴的有效弹性约束。
    • 5. 发明授权
    • High-energy laser system having gyroscopically stabilized optical
elements
    • 具有陀螺稳定光学元件的高能激光系统
    • US4580270A
    • 1986-04-01
    • US512172
    • 1983-07-08
    • William M. JohnsonMarc S. WeinbergRaymond Carroll
    • William M. JohnsonMarc S. WeinbergRaymond Carroll
    • H01S3/08
    • H01S3/08081
    • A high-energy laser system having gyroscopically stabilized optical elements includes an unstable confocal laser resonator having first and second spinning cavity feedback mirrors that resist mechanical wave energy induced spatial dislocations by gyroscopic inertia. One or both of the spinning cavity mirrors are preferably mounted for rotation with the rotor of a gyroscope. The gyroscope is operative as an actuator for selectively tilting the spinning mirror, and as a direction indicator for controlling the pointing direction of other elements with respect to inertial space. The angular rotation of the cavity feedback mirrors generates aerodynamic flows that cool the spinning mirrors by convective heat transport. Every material particle thereof describes an annular path once per revolution that prevents hot-spot formation and extends the useful lifetime.
    • 具有陀螺稳定的光学元件的高能激光系统包括具有第一和第二纺丝腔反馈反射镜的不稳定的共焦激光谐振器,该反射镜通过陀螺惯性抵抗机械波能引起的空间位错。 纺丝腔镜中的一个或两个优选安装成与陀螺仪的转子一起旋转。 陀螺仪作为用于选择性地倾斜旋转镜的致动器,以及作为用于控制其它元件相对于惯性空间的指向方向的方向指示器。 腔反馈反射镜的角度旋转产生通过对流热传递来冷却旋转镜的空气动力学流。 其每个材料颗粒每转一次描述环形路径,防止热点形成并延长使用寿命。
    • 6. 发明授权
    • System for determining and controlling the peak amplitude and phase of an oscillating member
    • 用于确定和控制振荡构件的峰值振幅和相位的系统
    • US06446217B1
    • 2002-09-03
    • US09266679
    • 1999-03-11
    • Raymond CarrollJoseph G. Walsh
    • Raymond CarrollJoseph G. Walsh
    • G06F104
    • G01P15/097G01C19/56G01H3/10
    • This invention describes a technique for measuring the peak amplitude and phase of an oscillating member without using any external precision references other than stable precision frequencies. The technique relies upon stable reference dimension of the oscillating member and stable dimensions of a stationary system which the member is oscillating with respect to. The technique uses a stable precision crystal clock oscillator to measure the time at which the oscillating member arrives at certain reference angles. The reference angles may be established on the member or by interferometry, with respect to sensors on a stationary member. Using inputs from the sensors, a precision clock, and counters the system determines the period of oscillation of the vibrating member and the phase of the maximum excursions of the vibrating member based on the time required for the oscillating member to move through the reference angles established on the reference member.
    • 本发明描述了一种用于测量振荡部件的峰值振幅和相位的技术,而不使用除稳定精度频率之外的任何外部精密基准。 该技术依赖于摆动构件的稳定的参考尺寸和构件相对于其摆动的固定系统的稳定尺寸。 该技术使用稳定的精密晶体时钟振荡器来测量振荡元件到达某些参考角度的时间。 相对于固定构件上的传感器,可以在构件上建立参考角度或通过干涉测量。使用传感器的输入,精密时钟和系统的计数器确定振动构件的振荡周期和振动构件的相位 基于摆动构件移动通过在基准构件上建立的基准角所需的时间,振动构件的最大偏移。
    • 8. 发明授权
    • System for electronically tuning and suppressing 2N rectification
torques in a dynamically tuned free rotor gyroscope
    • 用于在动态调谐的自由转子陀螺仪中电子调谐和抑制2N个整流转矩的系统
    • US4563909A
    • 1986-01-14
    • US394720
    • 1982-07-02
    • Raymond CarrollByong-Ho Ahn
    • Raymond CarrollByong-Ho Ahn
    • G01C19/22G01C19/28G01C19/30
    • G01C19/22Y10T74/125Y10T74/1257Y10T74/1261
    • A system for electronically tuning and suppressing 2N rectification torques in a dynamically tuned free rotor gyroscope with a universal hinge, or a plurality of universal hinges. The system includes means to adjust the frequency of the drive shaft of the gyroscope to a speed such that the rotor precession due to direct elastic restraint torques is eliminated. In addition, the system includes means for measuring the two degree of freedom angular deviations of the principal axis of the rotor with respect to the gyroscope case, as well as the angular deviations of the shaft spin axis relative to the gyroscope case. The sensed angular deviations of both the rotor and shaft drive a torque generator which produces a torque on the rotor for nulling torque due to angular vibrations of the drive shaft with respect to the rotor. The controlled phasing and gain of the nulling torque provides both average bending compliance tuning and suppression of the 2N rectification.
    • 一种用于在具有通用铰链或多个通用铰链的动态调谐自由转子陀螺仪中电子调谐和抑制2N个整流转矩的系统。 该系统包括用于将陀螺仪的驱动轴的频率调整到使消除由于直接的弹性约束转矩引起的转子进动的速度的装置。 此外,该系统包括用于测量转子主轴相对于陀螺仪外壳的两个自由度角偏差以及轴自旋轴相对于陀螺仪外壳的角度偏差的装置。 感测到的转子和轴的角度偏差驱动扭矩发生器,该转矩发生器由于驱动轴相对于转子的角度振动而在转子上产生转矩以使零转矩。 归零转矩的受控定相和增益提供平均弯曲柔度调节和2N整流的抑制。
    • 10. 发明授权
    • Method and device for operating a RAM memory
    • US06622202B2
    • 2003-09-16
    • US09850245
    • 2001-05-07
    • Steven Raymond CarrollIan David Johnson
    • Steven Raymond CarrollIan David Johnson
    • G06F1208
    • G11C7/1006
    • A method of operating a RAM memory having a plurality of memory addresses for storing data, the method being performed with a timing based on clock signals spaced by clock periods and comprising the steps of: receiving an address and a function signal specifying a function to be performed on data associated with that address; determining whether the same address has been received during a predefined number of preceding clock periods; generating a first data item representing data associated with the received address; modifying the first item according to the function signal to generate a second data item associated with the address, and writing the second data item to the address in the RAM and retaining a separate record of the last n second data items, the step of generating a first data item being performed by: (i) if the result of the determination is negative, generating the first data item to be equal to data stored by the RAM in the address, and (ii) if the result of the determination is positive, generating the first data item to be equal to the most recent second item associated with the address which is stored in the record.