The utility model relates to a lens used for improving the diffraction efficiency of a blue-ray disc and a China high definition disc, which comprises a first lens surface (1) and a second lens surface (2), wherein the first lens surface is a free curved surface, and the second lens surface is an as.....
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A strain sensor (10) for measuring strain greater than 10%, the sensor (10) comprising: an upper polydimethylsiloxane (PDMS) substrate (20) having measurement electrodes (90) extending therethrough; a lower PDMS substrate (30) bonded to a lower surface of the upper PDMS substrate (20), and an upper .....
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本发明提出了一种用于薄片型柔性体表面三维重建的系统和方法。该系统包括一背景光源，用于发出均匀且具有一定亮度的后向漫反射光；一试样夹持装置，其上夹持有待三维重建的一试样，该试样夹持装置具有一顶点，所述试样在该顶点处弯折；一图像采集装置，用于采集所述试样在所述顶点处的侧面投影图像；一试样驱动装置，其驱动夹持在所述试样夹持装置上的所述试样均匀地通过所述顶点；一计算机，其控制该试样驱动装置动作，同时接收该图像采集装置采集到的所述试样的侧面投影图像的序列，对所述图像序列进行处理和分析，提取每一帧图像的侧面投影高度信息，并按照采集顺序拼接得到所述试样表面的三维立体图像。
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A wearable portable device (10) for increasing user awareness of a paretic limb and recording the user awareness, the device (10) comprising: a sensory signal generator (52, 20) to emit a continuous sensory signal to remind the user to move the paretic limb according to a predetermined schedule; a s.....
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A method for bonding electric devices (13, 15) of the system (10), the use of conductive adhesive (14) the electrical device (13, 15) adhered together. The system (10) comprising: an ultrasonic vibration generating ultrasonic transducer (11) and operatively connected to and covering the ultrasonic t.....
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