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    • 85. 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。
    • 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 。