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    • 2. 发明授权
    • Vibratory gyroscope with parasitic mode damping
    • 具有寄生模式阻尼的振动陀螺仪
    • US07493814B2
    • 2009-02-24
    • US11615872
    • 2006-12-22
    • David WhelanA. Dorian Challoner
    • David WhelanA. Dorian Challoner
    • G01P9/04
    • G01C19/5684
    • Operation of a planar resonator gyroscope with in-plane parasitic modes of vibration to obtain improved performance is disclosed. A planar resonator gyroscope, such as a disc resonator gyroscope, may be operated with embedded electrodes. The embedded electrodes may be disposed adjacent to the planar resonator and proximate to one or more anti-nodes of a parasitic vibration mode. A sensed amplitude of the parasitic mode is applied in differential signals used to operate the gyroscope. A feedback controller for damping the parasitic mode applies a drive voltage generated from the proportional voltage to one or more drive electrodes adjacent to the planar resonator disposed proximate to one or more anti-nodes of the parasitic vibration mode of the planar resonator. Parasitic in-plane modes may be thus damped in operating the gyroscope with active damping applied through an analog operational amplifier or digital feedback.
    • 公开了具有面内寄生振动模式的平面谐振器陀螺仪的操作以获得改进的性能。 可以使用嵌入式电极来操作诸如盘式谐振器陀螺仪的平面谐振器陀螺仪。 嵌入式电极可以布置成与平面谐振器相邻并且靠近寄生振动模式的一个或多个反节点。 在用于操作陀螺仪的差分信号中应用感测到的寄生模式的幅度。 用于阻尼寄生模式的反馈控制器将从比例电压产生的驱动电压施加到靠近平面谐振器的寄生振动模式的一个或多个反节点设置的平面谐振器附近的一个或多个驱动电极。 在通过模拟运算放大器或数字反馈施加的主动阻尼的陀螺仪的操作中,寄生面内模式可能被阻尼。
    • 4. 发明申请
    • AUTOMATED LENTICULAR PHOTOGRAPHIC SYSTEM
    • 自动照相系统
    • US20120067238A1
    • 2012-03-22
    • US13181954
    • 2011-07-13
    • Stephen S. DaniellSteven M. SpiroDavid WhelanJames AndersonDaniel L. Lau
    • Stephen S. DaniellSteven M. SpiroDavid WhelanJames AndersonDaniel L. Lau
    • B41F1/34G06F3/12
    • G02B27/2214G02B3/005G03B35/24G03C7/14
    • An automated lenticular photographic system includes an interface that permits a user to upload image files and image processing and printing equipment that is in communication with the interface for receiving the uploaded image files and processing the uploaded image files to create an interlaced print image file that is used to produce an interlaced print sheet containing interlaced print images. A pair of registration marks is formed on the interlaced print sheet outside of borders of the interlaced print images. The system also includes a processing station where the interlaced print sheet is aligned with a lenticular lens sheet with a registration system that detects whether the lenticular lens sheet is off-centered and skewed relative to the interlaced print sheet. The system also includes means for controllably adjusting the position of the lenticular lens sheet relative to the interlaced print sheet until proper registration between the lenticular lens sheet and the interlaced print sheet is achieved. The lenticular lens sheet is at least selectively joined to the interlaced print sheet to provide a lenticular product that can be delivered back to the user.
    • 自动透镜摄影系统包括允许用户上传与用于接收上传的图像文件的接口通信的图像文件和图像处理和打印设备并且处理上传的图像文件以创建隔行打印图像文件的界面, 用于产生包含交错打印图像的隔行打印纸。 在隔行印刷图像的边界之外的隔行打印纸上形成一对配准标记。 该系统还包括处理站,其中隔行打印纸与双凸透镜片对准,其具有检测双凸透镜片是否偏心并相对于隔行打印片倾斜的配准系统。 该系统还包括用于可控地调整双凸透镜片相对于隔行打印片的位置的装置,直到实现双凸透镜片和隔行打印片之间的适当配准。 双凸透镜片材至少选择性地连接到隔行扫描片材以提供可以被输送回用户的透镜产品。
    • 9. 发明申请
    • RADAR DETECTION AND LOCATION OF RADIO FREQUENCY (RF) DEVICES
    • 无线电频率(RF)设备的雷达检测和位置
    • US20120256783A1
    • 2012-10-11
    • US11770795
    • 2007-06-29
    • Daniel L. SegoDavid WhelanRobert Smith
    • Daniel L. SegoDavid WhelanRobert Smith
    • G01S13/06G01S13/00
    • G01S13/4445G01S7/4017G01S7/4021G01S13/106G01S13/524G01S13/74
    • A system and method for detecting the presence of an RF device and determining a location of the RF device. The system includes a first antenna capable of transmitting a first radar signal and receiving RF signals, a second antenna capable of transmitting a second radar signal and receiving RF signals, where the second radar signal is offset in frequency from the first radar signal, and one or more processors. The one or more processors analyzes harmonic and intermodulation (IM) signals generated in response to the first radar signal and the second radar signal interacting with nonlinear characteristics in components of a RF device. The analyzing provides detection of the presence of the RF device and the determination of a location of the RF device regardless of whether the RF device is active or passive.
    • 一种用于检测RF设备的存在并确定RF设备的位置的系统和方法。 该系统包括能够发送第一雷达信号和接收RF信号的第一天线,能够发送第二雷达信号并接收RF信号的第二天线,其中第二雷达信号在频率上偏离第一雷达信号,一个 或更多的处理器。 一个或多个处理器分析响应于第一雷达信号产生的谐波和互调(IM)信号,以及与RF设备的部件中的非线性特性相互作用的第二雷达信号。 该分析提供对RF设备的存在的检测和RF设备的位置的确定,而不管RF设备是主动还是被动。