Multi-function vibration actuator
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United States of America Patent
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Mar 19, 2013
Grant Date -
Aug 12, 2010
app pub date -
Dec 26, 2006
filing date -
Dec 27, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic circuit including a pole piece, a magnet, and a yoke is supported by using a suspension where outer and inner circumferential portions thereof are connected to each other with a supporting member, and the outer circumferential portion of the suspension is fixed to protrude from a housing or an inner wall of a cover provided with a stepped portion in a direction passing over the magnetic circuit toward an inner portion, so that it is possible to limit a movable range of the magnetic circuit by using the outer circumferential portion of the suspension and to prevent inner components of a main body of the multi-function vibration actuator from being destructed at the time of being impacted due to falling.
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