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    • 2. 发明授权
    • Axial alignment aid for remote control operations and related method
    • 用于远程控制操作的轴向对准辅助装置及相关方法
    • US4815845A
    • 1989-03-28
    • US852872
    • 1986-04-16
    • Michael E. ColbaughJohn J. Wilhelm
    • Michael E. ColbaughJohn J. Wilhelm
    • B64G1/36B64G1/64G01B11/27G01C21/24G05D1/02G05D1/10G01B11/00
    • B64G1/646G01B11/27
    • An axial alignment aid for remote control operations and related method are provided. A mirror located on a first movable member gathers light from its field of view in front of the first member and reflects it at right angles to a beam splitter which reflects the light at right angles to a video camera on the first member. A laser, also on the first member, projects a thin beam of light through a beam expander and a beam-expander lens template which gives the projected beam a pattern. The beam then reflects off another mirror, passes through the beam-splitter and is reflected off the original mirror. The beam is then projected on-axis with the first member (coincidentally on-axis with the video camera's field of view), and is inverted to match the original pattern. A reflective visual indicator or target is mounted on a second member so that its optical axis is collinear with the axis of the second member. An off-axis rotation of the first member to the right of the operator's perspective will result in a back-projected laser spot to the right of center on the visual indicator's front surface. On the other hand, rotation of the first member to the left of the operator's perspective will cause the spot to appear to the left of center on the front surface. Finally, if the operator centers the back-projected spot on the front surface of the visual indicator by moving the first member via a feedback control circuit, the laser light will be reflected exactly on axis with the center of the visual indicator. Positive indication of precise alignment of the first and second members is thus achieved and the first member can be safely and accurately docked with the second member.
    • 提供了用于远程控制操作的轴向对准辅助装置及相关方法。 位于第一可移动部件上的反射镜从第一部件前面的视野聚集光线并将其直角反射到将第一部件上的摄像机成直角的光反射的分束器。 激光器也在第一个部件上,通过光束扩展器和光束扩展器透镜模板投射出一束薄光束,该光束扩展器透镜模板给出了投影光束的图案。 然后光束反射离开另一个反射镜,穿过分束器并从原始反射镜反射。 然后将光束与第一构件(与摄像机的视野同时在轴上)投影在轴上,并且被反转以匹配原始图案。 反射视觉指示器或目标物安装在第二构件上,使得其光轴与第二构件的轴线共线。 第一构件在操作员视角右侧的离轴旋转将导致在视觉指示器的前表面上的中心右侧的反投影激光点。 另一方面,第一构件在操作者的视角左侧的旋转将导致点出现在前表面的中心的左侧。 最后,如果操作者通过反馈控制电路移动第一个构件,将视觉指示器的前表面上的后投影点居中,则激光将与视觉指示器的中心精确地反射在轴上。 因此实现了第一和第二构件的精确对准的正面指示,并且第一构件可以安全且精确地与第二构件对接。
    • 3. 发明授权
    • Two-wire signal transmitter and method for maintaining integrity of
electrical contacts
    • 双线信号发射器和保持电触点完整性的方法
    • US6052050A
    • 2000-04-18
    • US023902
    • 1998-02-13
    • Michael E. ColbaughBenjamin A. GiovannelliDick J. Kolkman
    • Michael E. ColbaughBenjamin A. GiovannelliDick J. Kolkman
    • H04L12/10H04L25/45H04M11/04
    • H04L12/10H04L25/45
    • Two-wire signal transmitter and method in which a very low-level Alternating Circuit (AC) input signal sensed at a remote circuit at a first end of a signal path is added to a low-level Direct Current (DC) bias signal provided by a local circuit that is located at a second end of the signal path. In a preferred embodiment, the remote circuit is electrically coupled to and powered by the local circuit through a two-wire path interconnection, typically a shielded twisted-pair cable. The DC bias signal has sufficient level to overcome minimum ratings of electrical contacts, thereby to pass the sensed very low-level AC input signal reliably through the poor electrical contacts that are used, for instance, for connecting electronic circuits that run the length of a railway train. In a preferred embodiment, the use of a unity gain current amplifier as a part of the remote circuit reduces the signal degrading effects of long signal paths, but does not amplify the AC input signal, thereby retaining known pre-determined railroad vitality requirements. An output signal is provided that is an AC coupled, isolated, non-amplified representation of the AC input signal. An alternate preferred embodiment utilizes no active amplifier as a part of the remote circuit, thereby providing a signal transmitter and method that is less complex, has lower cost, requires smaller packaging, and has somewhat better long-term reliability than the preferred embodiment utilizing the active amplifier in the remote circuit.
    • 双线信号发射机和方法,其中在信号路径的第一端处的远程电路处感测到的极低电平的交流电路(AC)输入信号被加到低电平直流(DC)偏置信号,该信号由 位于信号路径的第二端的本地电路。 在优选实施例中,远程电路通过双线路径互连(通常为屏蔽双绞线)电耦合到本地电路并由本地电路供电。 DC偏置信号具有足够的电平以克服电触点的最小额定值,从而将感测到的非常低级别的AC输入信号可靠地传递通过用于例如用于连接长度为 铁路列车 在优选实施例中,使用单位增益电流放大器作为远程电路的一部分来减少长信号路径的信号降级效应,但不会放大AC输入信号,从而保持已知的预定铁路活力​​要求。 提供输出信号,其是AC输入信号的AC耦合的,隔离的,非放大的表示。 替代的优选实施例不使用有源放大器作为远程电路的一部分,从而提供信号发射器和方法,其较不复杂,具有较低的成本,需要较小的封装,并且具有比使用 主动放大器在远程电路中。
    • 4. 发明授权
    • Railway structure hazard predictor
    • 铁路结构危害预测
    • US5529267A
    • 1996-06-25
    • US505745
    • 1995-07-21
    • Theo C. GirasMichael E. ColbaughC. Franklin Boyle
    • Theo C. GirasMichael E. ColbaughC. Franklin Boyle
    • B61L1/06B61L23/04B61L1/00
    • B61L23/047B61L1/06
    • A hazard predictor that processes both rail and superstructure measurements to predict some potentially hazardous conditions on a railway structure. Measurement is collected in real time with the aid of fiber optic sensor based linear array mesh, and processed with a neural network. Sensors placed under the rail and sensors placed laterally of the rail provide data collection in real time both during occupied and unoccupied periods. In some embodiments the measurement data is compressed into two signatures which can be represented as two vectors. The collinearity of the vectors and the angle between the vectors are utilized to interpret the data as to track conditions. The angle between the descriptors can be used to predict the severity of degradation of the structure. The predictor can be used to manage maintenance of the structure and interface with existing railway signalling equipment to provide traffic management.
    • 一种危险预测器,用于处理铁路和上部结构测量,以预测铁路结构中的一些潜在的危险状况。 借助于基于光纤传感器的线性阵列网格实时收集测量值,并用神经网络进行处理。 放置在轨道下面的传感器和放置在轨道横向的传感器在被占用和空闲时段内实时提供数据采集。 在一些实施例中,测量数据被压缩成两个可被表示为两个向量的签名。 利用向量的共线性和向量之间的角度来解释跟踪条件的数据。 描述符之间的角度可用于预测结构退化的严重程度。 预测器可用于管理现有铁路信号设备的结构维护和接口,以提供流量管理。
    • 5. 发明授权
    • Digitally scanned extended electron source in vacuum
    • 在真空中数字扫描扩展电子源
    • US4931684A
    • 1990-06-05
    • US289099
    • 1988-12-23
    • Juris A. AsarsMichael E. Colbaugh
    • Juris A. AsarsMichael E. Colbaugh
    • G01R31/02
    • G01R31/021
    • A device is provided for detecting defects in wire or cable insulation which is located in a vacuum without disconnecting the cable by synchronously detecting the current in a sense conductor with respect to the potential waveform existing or imposed on the cable under test. A sense conductor and a scanned extended electron source having a linear cathode array are both placed in close proximity to and along the cable under test. Only a small portion of the cathodes in the linear array are excited at any one time and by placing the proper signals on the excitation conductors of the electron source, the electron generation scans or propagates along the entire length of the extended electron source. The current flowing in the sense conductor due to the electrons from the electron source varies depending upon the presence of defects in the cable insulation.
    • 提供一种用于检测位于真空中的电线或电缆绝缘中的缺陷的装置,而不通过相对于存在或施加在被测电缆上的电位波形同步检测感测导体中的电流来断开电缆。 具有线性阴极阵列的感测导体和扫描的扩展电子源都被放置在紧邻并沿着被测电缆的位置。 线性阵列中只有一小部分阴极被激发,并且通过将适当的信号放置在电子源的激发导体上,电子产生沿扩展电子源的整个长度扫描或传播。 由于来自电子源的电子在感应导体中流动的电流根据电缆绝缘中的缺陷的存在而变化。
    • 6. 发明授权
    • Portable communications terminal
    • 便携式通讯终端
    • US4605959A
    • 1986-08-12
    • US643503
    • 1984-08-23
    • Michael E. Colbaugh
    • Michael E. Colbaugh
    • H04N7/22A61B3/113H04N7/18H04N7/14
    • A61B3/113H04N7/183
    • Portable communication terminal composed of a headset to be worn on the head of a user and a portable transceiver set to be carried by the user. The terminal includes a non-electrical optical fiber conductor mounted for transmitting optical images between the headset and the portable transceiver set; optical elements disposed at the headset for enabling an image transmitted to the headset from the transceiver set to be viewed by a user wearing the headset and for causing an image of the scene in front of a user wearing the headset to be formed at the transceiver set; a television transmitter and receiver at the transceiver set for transmitting a video signal and for forming a video display from signals conducted to the transmitter and receiver; and optical elements at the transceiver set disposed for supplying to the transmitter images formed at the transceiver set by light passing through the optical fiber conductor for conversion into a video signal, and for supplying to the transceiver set an image of the video display for transmission via the optical fiber conductor to the headset.
    • 便携式通信终端由要佩戴在用户头上的耳机和由用户携带的便携式收发机组成。 终端包括安装用于在耳机和便携式收发器组之间传输光学图像的非电光纤导体; 设置在头戴式耳机上的光学元件用于使得能够从收发机设置发送到头戴式耳机的图像被佩戴耳机的用户观看,并且使戴着耳机的用户前面的场景的图像形成在收发机组 ; 用于发送视频信号并用于从传送到发射机和接收机的信号形成视频显示的收发机组的电视发射机和接收机; 收发机组中的光学元件设置成用于通过光通过光纤导体供给发射机形成在收发机组上的图像转换为视频信号,并且向收发机提供视频显示器的图像以便传输,以便经由 将光纤导体连接到耳机。