CHILDREN'S ENTERTAINMENT DEVICE
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United States of America Patent
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-
N/A
Issued Date -
Apr 26, 2012
app pub date -
Oct 21, 2011
filing date -
Oct 21, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Various embodiments of the present invention are directed to a children's entertainment device having a stepper motor drive system configured to drive a rotatable entertaining element. In certain embodiments, the stepper motor is configured to rotate a drive shaft operatively connected to a damper, which is configured to damp the intermittent rotational motion output by the stepper motor in order to smoothly and continuously rotate an entertaining element, such as in a children's mobile.
First Claim
Family
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Cited Art Landscape
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