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Vibration motors and electronic devices utilizing the same
   
Document Number
US Patent 7446445
Issued Date
November 4, 2008
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Abstract
A vibration motor and an electronic device utilizing the same. The vibration motor is disposed in a housing to abut the housing. A first case is disposed in the housing. A second case is combined with the first case. A magnet and a rotor are disposed between the first and second cases. A shaft passes through the magnet, the rotor, and the second case, and is rotatably disposed on the first case. A weight is exposed by the second case, and connected to the shaft passing through the second case. The weight rotates along with the shaft to generate vibration. The vibration of the weight is transmitted to the housing.
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Number of Claims:
18
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Owner
Qisda Corporation (Taoyuan County,TW)
Published
November 4, 2008
Application Number
11/117,035
Filed
April 28, 2005
US Classification
310/81   310/36
Int'l Classification
H02K   7/065   (20060101)   H02K   33/00   (20060101)   H02K   33/18   (20060101)  
Examiner
Priority Data
Apr 30, 2004 [TW] 93112162 A
USPTO Field of Search
310/36   310/37   310/81  
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