Magnetically coupled accessory for a self-propelled device
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United States of America Patent
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Nov 1, 2016
Grant Date -
Mar 31, 2016
app pub date -
Dec 14, 2015
filing date -
Jan 5, 2011
priority date (Note) -
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Abstract
A system comprising a self-propelled device and an accessory device. The self-propelled device includes a spherical housing, and a drive system provided within the spherical housing to cause the self-propelled device to roll. When the self-propelled device rolls, the self-propelled device and the accessory device magnetically interact to maintain the accessory device in contact with a top position of the spherical housing relative to an underlying surface on which the spherical housing is rolling on.
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