Control method and system for reducing vibration of second casing of mobile terminal
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United States of America
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Jun 28, 2022
Grant Date -
Dec 31, 2020
app pub date -
Aug 13, 2020
filing date -
Aug 13, 2020
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Abstract
A control method for reducing vibration of a second casing of a mobile terminal includes: mounting an additional vibrator in a mounting area on the second casing, and measuring vibration responses in the mounting area under first and second preset conditions; calculating system transfer functions of the additional vibrator and a driving system formed by a first casing and an exciter; providing a signal processing unit; adjusting the value of the transfer function of the signal processing unit such that a vibration response in the mounting area under a third preset condition is at zero, and calculating the value of the transfer function H3(S) of the signal processing unit; and setting H3(S) as a preset transfer function of the signal processing unit. The present disclosure can counteract the vibration of the second casing induced by the driving system, thereby improving user experience.
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