US Patent 7088022 Axial air-gap vibration motor
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Patent Inventor Names
Naohisa Koyanagi0
Tadao Yamaguchi0
Tetsushi Yashima0
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Patent abstract
A vibration motor has an eccentric rotor having a plurality of armature coils with at least one winding-type air core armature coil disposed in an eccentric manner on a printed wiring board. A commutator is disposed on the printed wiring board. An eccentric weight is disposed so as not to overlap with at least one winding-type air-core armature coil and at least two of the air-core armature coils overlap. A magnet imparts a magnet field to the eccentric rotor via an axial air gap, a brush that imparts electric power to the air-core armature coils via the commutator.
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US Patent 07088022 Axial air-gap vibration motor US Patent 7088022 Axial air-gap vibration motor
Infobox
Patent Number
070880220
Patent Number
70880220
Edits on 26 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
070880220
Date of Patent
August 8, 2006
0Patent Application Number
107056290
Date Filed
November 10, 2003
0Official Website
Patent Primary Examiner
Edits on 7 Jun, 2022
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US Patent 07088022 Axial air-gap vibration motor
Infobox
Is a
Patent jurisdiction
Patent number
07088022
Date of patent
August 8, 2006
Patent application number
10705629
Date Filed
November 10, 2003
Patent primary examiner
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