Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 1, 2022
Patent Application Number
17051194
Date Filed
April 18, 2019
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A vibration control device is provided which enables an awakening effect for a user to be increased while making it difficult to give discomfort to the user. A harmonic signal generating section of a vibration control device is configured to successively output a plurality of alternating signals for driving a vibration unit. By way of the plurality of alternating signals which is successively output and has a frequency ratio represented with a predetermined integer ratio, vibration generated with the plurality of alternating signals can more easily awaken a user while making it difficult to give discomfort to the user.
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