An ultrasonic transducer driver has a giant magnetostrictive element, a fastener for holding the giant magnetostrictive element under mechanical pressure, a first field generator for providing a magnetic bias field, a second field generator for providing a magnetic drive field and a magnetic circuit.....
[Detail]
The invention discloses a 2D dynamic calibrating table, for calibrating a GPS system arranged on a construction, comprising: a bearing frame, a moving platform, a double-layer two-way movement mechanism arranged between the bearing frame and moving platform to drive the moving platform to make 2D mo.....
[Detail]
本发明涉及排汗面料，包括至少两层：一个吸水层和一个排水层，在横截面模拟仿生树型结构，在内层模拟树型结构的主干形成一个吸水层，在外层模拟树型结构的分支形成一个排水层，两层面料通过集圈线圈连接；所述面料正面的线圈比在面料反面的线圈数量多，所述面料正面的线圈比在面料反面的线圈尺寸小，增加了织物外表面的面积，并且可以提高毛细管力；所述面料横截面的结构为模拟仿生树形结构，这种分支结构可以减小水分传输的阻力。
[Detail]
The present invention relates to a pseudo-element detector, the use of digital video streaming Check and record the security document or article, comprising: an input unit, provides the user a selection screen; processing unit, the input unit according to a selection signal issued by the control lig.....
[Detail]
The invention provides a voltage regulation circuit of illuminating lights, which is suitable for an illumination system which is serially composed of a main power source and an illumination load. The single-phase illumination system comprises the main power source which outputs sine alternating cur.....
[Detail]
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