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.
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申请公布号 |
US2011155842(A1) |
申请公布日期 |
2011.06.30 |
申请号 |
US20090647129 |
申请日期 |
2009.12.24 |
申请人 |
SPIN MASTER LTD. |
发明人 |
MAK PAUL |
分类号 |
B64C27/57;B64C27/10;B64C27/82;G05D1/00 |
主分类号 |
B64C27/57 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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