一种供钻井眼的钻孔机组使用的装置。钻孔机组的冲击机构、顶推机构和旋转机构分别跟钻头连接，这些机构分别由第一、第二和第三种压力下的第一、第二和第三种流体驱动，分别将冲击力、推力和转矩传递给钻头。冲击力、推力和转矩分别随第一、第二和第三种压力改变。所述装置包括分别与第一、第二和第三种流体连通的第一、第二和第三压力传感器，分别输出随第一、第二和第三种压力而改变的第一、第二和第三电信号。位置传感器输出随相对于基准点的钻头深度而改变的第四电信号。仪器监测第一、第二、第三和第四信号并产生关于冲击力、推力、转矩和深度的相应的图表曲线。
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A writting brush or tool for health-care medical purpose features that one or more biological detectors are inlaid in its holder to detect the physiologic activities of its user, such as sensing, feeling, emotion, recognization power and physiological state. Said physiologic signals can be used to r.....
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The Present Invention Relates To An Apparatus And A Method For Wireless Purchase Of Merchandise From A Vending Machine By Using A Cellular Mobile Phone. The Present Invention Permits A Cellular Mobile Phone User To Dial A Sequence Of Code On The Phone To Invoke The Vending Machine To Dispense Mercha.....
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A wireless power transmitter, comprising at least two loops, and separate drivers, each driving a respective one of the loops and providing respective alternating current to the respective loop, thereby to transmit wireless power for receipt by at least one wireless power receiver. A wireless power .....
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