发明名称 Velocity Feedback Control System for a Rotor of a Toy Helicopter
摘要 There is provided a method and apparatus for controlling a toy helicopter in flight. The toy helicopter is powered by a first rotor and a second rotor. A target speed ratio is determined for the speed of the first rotor and the speed of the second rotor. The speed of the rotors is adjusted incrementally until the target ratio is achieved
申请公布号 US2011159776(A1) 申请公布日期 2011.06.30
申请号 US20100944122 申请日期 2010.11.11
申请人 MAK PAUL 发明人 MAK PAUL
分类号 A63H27/133 主分类号 A63H27/133
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