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SEGMENTED-CORE INDUCTANCE IN STYLUS FOR EM-GRAPHICAL TABLET
SEGMENTED-CORE INDUCTANCE IN STYLUS FOR EM-GRAPHICAL TABLET
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机译:手写板中手写笔的分段核心电感
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摘要
A graphical tablet and a stylus interact electromagnetically with one another. The stylus includes a coil and a transducer to affect an inductance of the coil in response to a force exerted on a tip of the stylus. The transducer comprises first and second ferrite cores. The cores are mounted to move with respect to one another in response to the force. The cores are substantially in contact with one another in the absence of the force. Disengaging causes a well detectable jump in the inductance.
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