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    • 82. 发明授权
    • Dimensioning and barcode reading system
    • 尺寸和条形码读取系统
    • US08360318B2
    • 2013-01-29
    • US13227148
    • 2011-09-07
    • Edward ReynoldsEdward Douglas HattonMehul Patel
    • Edward ReynoldsEdward Douglas HattonMehul Patel
    • G06K7/10
    • G06K7/10722G06K7/0095G06K7/015G06K7/10762G06K7/10792G06K7/10861
    • A system and method for auto-calibrating a barcode scanning tunnel to determine the orientation of one or more cameras with respect to a range finder and a conveyor belt comprises providing a scanning tunnel having a moveable surface, at least one range finder having an orientation, at least one camera having an orientation and at least one calibration object having at least one indicia disposed in a predetermined relationship to one or more features of the at least one calibration object, capturing at least one image of the at least one calibration object by the at least one camera, electronically detecting the at least one calibration object at least one indicia and the one or more object features and electronically calculating at least one component of the at least one camera orientation with respect to the moveable surface in response to information obtained from the image and the at least one calibration object at least one indicia.
    • 一种用于自动校准条形码扫描隧道以确定一个或多个照相机相对于测距仪和传送带的取向的系统和方法包括提供具有可移动表面的扫描隧道,至少一个具有取向的测距仪, 具有取向的至少一个照相机和至少一个具有至少一个标记的校准对象,所述至少一个标记以与所述至少一个校准对象的一个​​或多个特征成预定关系设置,通过所述至少一个校准对象的至少一个图像捕获所述至少一个校准对象 至少一个相机,电子地检测所述至少一个校准对象至少一个标记和所述一个或多个对象特征,并响应于从所述可移动表面获得的信息,电子地计算所述至少一个照相机取向的至少一个分量 所述图像和所述至少一个校准对象至少一个标记。
    • 83. 发明申请
    • DIMENSIONING AND BARCODE READING SYSTEM
    • 尺寸和条形码读取系统
    • US20110315770A1
    • 2011-12-29
    • US13227148
    • 2011-09-07
    • Mehul PatelEdward Douglas HattonEdward Reynolds
    • Mehul PatelEdward Douglas HattonEdward Reynolds
    • G06K7/10
    • G06K7/10722G06K7/0095G06K7/015G06K7/10762G06K7/10792G06K7/10861
    • A system and method for auto-calibrating a barcode scanning tunnel to determine the orientation of one or more cameras with respect to a range finder and a conveyor belt comprises providing a scanning tunnel having a moveable surface, at least one range finder having an orientation, at least one camera having an orientation and at least one calibration object having at least one indicia disposed in a predetermined relationship to one or more features of the at least one calibration object, capturing at least one image of the at least one calibration object by the at least one camera, electronically detecting the at least one calibration object at least one indicia and the one or more object features and electronically calculating at least one component of the at least one camera orientation with respect to the moveable surface in response to information obtained from the image and the at least one calibration object at least one indicia.
    • 一种用于自动校准条形码扫描隧道以确定一个或多个照相机相对于测距仪和传送带的取向的系统和方法包括提供具有可移动表面的扫描隧道,至少一个具有取向的测距仪, 具有取向的至少一个照相机和至少一个具有至少一个标记的校准对象,所述至少一个标记以与所述至少一个校准对象的一个​​或多个特征成预定关系设置,通过所述至少一个校准对象的至少一个图像捕获所述至少一个校准对象 至少一个相机,电子地检测所述至少一个校准对象至少一个标记和所述一个或多个对象特征,并响应于从所述可移动表面获得的信息,电子地计算所述至少一个照相机取向的至少一个分量 所述图像和所述至少一个校准对象至少一个标记。
    • 84. 发明授权
    • Method of controlling aircraft, missiles, munitions and ground vehicles with plasma actuators
    • 用等离子执行器控制飞机,导弹,弹药和地面车辆的方法
    • US07954768B1
    • 2011-06-07
    • US12604903
    • 2009-10-23
    • Mehul PatelThomas C. Corke
    • Mehul PatelThomas C. Corke
    • B64C23/00B64C21/00F42B15/01
    • B64C23/005B62D35/007B64C2230/12F42B10/38F42B10/40F42B10/668Y02T50/166
    • A method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly of controlling fluid flow across their surfaces or other surfaces which would benefit from such a method, includes the design of an aerodynamic plasma actuator for the purpose of controlling airflow separation over a control surface of a aircraft, missile, or a ground vehicle, and a method of determining a modulation frequency for the plasma actuator for the purpose of fluid flow control over these vehicles. Various embodiments provide steps to increase the efficiency of aircraft, missiles, munitions and ground vehicles. The method of flow control reduces the power requirements of the aircraft, missile, munition or ground vehicle. These methods also provide alternative aerodynamic control using low-power hingeless plasma actuator devices.
    • 使用等离子体致动器控制飞机,导弹,弹药或地面车辆的方法,更具体地说是控制流过其表面或将受益于这种方法的其它表面的流体流动的方法包括设计空气动力学等离子体致动器,目的在于 控制飞机,导弹或地面车辆的控制表面上的气流分离,以及为了在这些车辆上进行流体流动控制的目的,确定等离子体致动器的调制频率的方法。 各种实施例提供了增加飞机,导弹,弹药和地面车辆的效率的步骤。 流量控制的方法降低了飞机,导弹,弹药或地面车辆的电力需求。 这些方法还提供使用低功率无铰链等离子体致动器装置的替代空气动力学控制。
    • 88. 发明申请
    • RANGE FINDER
    • 范围查找器
    • US20080156619A1
    • 2008-07-03
    • US11945397
    • 2007-11-27
    • Mehul PatelEdward Douglas HattonXinping LiuPaul Poloniewicz
    • Mehul PatelEdward Douglas HattonXinping LiuPaul Poloniewicz
    • G01B11/02G01B11/04
    • G01B11/0691G01B11/2513G01B11/2522
    • A system and method for measuring a height of objects on a moving surface comprising providing a linear image sensor positioned transverse to a direction of travel of the moving surface, and at least one light source positioned collinear to the linear image sensor and proximate to an edge of the moving surface so that the light source projects a unique patterned light sequence across a width of the moving surface, detecting a transverse shift in a portion of the unique patterned light sequence with respect to the direction of travel of the moving surface as an object passes through the unique patterned light sequence, determining an amount of shift of the portion of the unique patterned light sequence, and determining a height of the object based on the portion of the unique patterned light sequence shift.
    • 一种用于测量移动表面上的物体的高度的系统和方法,包括提供横向于所述移动表面的行进方向定位的线性图像传感器,以及至少一个与所述线性图像传感器并联并且靠近边缘的光源 的移动表面,使得光源在移动表面的宽度上突出独特的图案化光序列,检测独特图案化光序列的一部分相对于作为对象的移动表面的行进方向的横向偏移 通过独特的图案化的光序列,确定独特的图案化光序列的部分的偏移量,以及基于独特的图案化光序列偏移的部分来确定物体的高度。
    • 90. 发明授权
    • Optical code reading device having more than one imaging engine
    • 具有多于一个成像引擎的光学代码读取装置
    • US07357322B2
    • 2008-04-15
    • US11651832
    • 2007-01-10
    • Mehul Patel
    • Mehul Patel
    • G06K7/10
    • G06K7/10881G06K7/10801G06K2207/1013H04M1/72547H04N1/00127H04N1/00204H04N1/00286H04N1/00326H04N1/00334H04N2201/007H04N2201/0081
    • A mobile computing device is provided having more than one imaging engine, and preferably, two imagining engines. Switching circuitry is provided for switching between the two imaging engines. Each imaging engine is optimized for use in specific applications and includes different specifications from the other imaging engine. Preferably, one imaging engine is optimized to provide higher resolution images than the other imaging engine, and one imaging engine is optimized to focus an object located 7.50 to 12.50 cm from the mobile computing device (near-to-mid range imaging), while the other imaging engine is optimized to focus an object located from 12.50 cm to infinity from the mobile computing device (mid-to-far range imaging). One imaging engine preferably includes a color image sensor, while the other imaging engine includes a black and white image sensor. The imaging engines are preferably supported by a housing of an optical code reading device configured for imaging and decoding optical codes and performing other functions, such as video teleconferencing, capturing and storing digital images, creating and transmitting video e-mail, and performing video surveillance.
    • 提供了具有多于一个成像引擎,优选地,两个想象引擎的移动计算设备。 提供开关电路用于在两个成像引擎之间进行切换。 每个成像引擎都经过优化,可用于特定应用,并包含与其他成像引擎不同的规格。 优选地,一个成像引擎被优化以提供比其他成像引擎更高分辨率的图像,并且一个成像引擎被优化以聚焦位于离移动计算设备(近中等范围成像)7.50至12.50cm的物体,而 其他成像引擎经过优化,可将来自移动计算设备(中远距离成像)的距离为12.50厘米的物体聚焦到无限远。 一个成像引擎优选地包括彩色图像传感器,而另一个成像引擎包括黑白图像传感器。 成像引擎优选地由光学代码读取装置的壳体支持,其被配置用于对光学代码进行成像和解码并执行诸如视频电话会议,捕获和存储数字图像,创建和发送视频电子邮件以及执行视频监视的其他功能 。