Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Reexamination Certificate
2005-04-22
2008-12-23
Ellis, Christopher P (Department: 3618)
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
C280S011240, C280S087041
Reexamination Certificate
active
07467681
ABSTRACT:
A motorized balance board includes a wheel rotation angle detecting sensor, a gyrosensor, and an acceleration sensor. An arithmetic operation unit calculates a rotation angle change value, a rotation angle value, a tilt angle change value, and a tilt angle value, based on signals output from the wheel rotation angle detecting sensor, the gyrosensor, and the acceleration sensor. When the control mode is a riding mode, a control mode switch element switches the control mode to a standby mode based on the rotation angle change value, the rotation angle value, the tilt angle change value, and the tilt angle value.
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Yuji Hiramatsu; “Vehicle, Vehicle Control Device and Vehicle Control Method”; U.S. Appl. No. 11/112,472, filed Apr. 22, 2005.
Ellis Christopher P
Keating & Bennett LLP
Walters John D
Yamaha Hatsudoki Kabushiki Kaisha
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