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HYBRID MAGNET FOR RETARDING HAPTIC APPLICATIONS USING ACTIVE FRICTION BRAKING
HYBRID MAGNET FOR RETARDING HAPTIC APPLICATIONS USING ACTIVE FRICTION BRAKING
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机译:使用主动摩擦制动的混合磁体,用于抑制触觉应用
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摘要
This invention describes a method for providing a haptic feedback to a user of a wireless portable device (e.g., a gaming device or a mobile terminal or phone) utilizing a hybrid magnet controlling a friction brake based haptic actuator. This novel hybrid magnet actuator uses a displacement of a permanent magnet assembly relative to a magnet yoke to actively control the friction between the magnetic yoke and an anchor plate made from a magnetic material. This permanent magnet assembly displacement is achieved by using a coil incorporated within said the magnet yoke by applying an electric current of a predetermined direction and/or a predetermined pulse width or repetition rate to the coil.
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