Amusement devices: toys – Aerodynamically supported or retarded – Including rotary wing
Reexamination Certificate
2005-01-10
2008-08-05
Kim, Gene (Department: 3711)
Amusement devices: toys
Aerodynamically supported or retarded
Including rotary wing
C446S175000, C446S456000, C446S034000
Reexamination Certificate
active
07407424
ABSTRACT:
A flying toy can determine its orientation and position in a space by calculating the distance to three reference points on the ground. The flying toy uses three ultrasonic transmitters as the three reference points. The distance to each ultrasonic transmitter is calculated by a microprocessor integrated in the flying toy which records the time it takes for the ultrasonic signal to travel from each of the ultrasonic transmitters to the flying toy. Once the distances to each of the ultrasonic transmitters are known, the microcontroller in the flying toy determines the position in space of the flying toy using trilateration methods. The flying toy can fly on autopilot according to predetermined regions, and prevent crashes by using is positioning data.
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Cegielnik Urszula M
Greenberg & Traurig, LLP
Kim Gene
Silverlit Toys Manufactory Ltd.
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