The utility model relates to an electronic device for helping blind walking and discriminating obstacles, which is worn on a head of a user. The utility model comprises an ultrasonic emission sensor, two ultrasonic receiving sensors, a control circuit which can generate ultrasonic signals, receive u.....
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The present invention relates to a brassiere, in particular to a nano-antibacterial breathable bra and a manufacturing method of a brass cover body containing antibacterial nano porous breathable bra cup, the cup of the base surface of the base body and antibacterial nanoparticles are uniformly dist.....
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The invention relates to a two-dimension displacement estimation method of elasticity imaging, which comprises the following steps: carrying out two-dimension initial displacement estimation on a first radio frequency frame and a second radio frequency frame of an ultrasonic pattern to be treated by.....
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The invention provides a microneedles array, a method for manufacturing the microneedles array and a die for manufacturing the microneedles array. The microneedles array comprises a base and a plurality of microneedles which are integrated with the base, wherein a liquid storage cavity is arranged i.....
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本发明涉及一种旋转超声成像系统，包括控制装置、超声探头和旋转马达装置。其中所述旋转马达装置接收所述超声探头发送的超声信号，并通过三百六十度旋转输出所述超声信号到所述控制装置；所述超声探头包括具有一安装槽的壳体，在所述安装槽内设置有具有一聚焦凹面的超声换能器。通过直接在超声换能器上构造聚焦凹面，从而在无需加入额外组件(例如透镜)的情况下，实现了旋转超声成像系统的聚焦，提高了横向分辨率及性能；通过将旋转超声成像系统的旋转马达输出轴构造为中空轴干的形式，为超声换能器的超声信号传输到控制装置提供一个三百六十度旋转的路径，从而不需要设计复杂的模块来解决三百六十度旋转超声换能器的位置校准及电信号引出。此设.....
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