ACTUATOR UNIT, TACTILE SENSE PRESENTATION DEVICE, AND HOUSING MODULE
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Jun 24, 2024
filing date -
Jun 24, 2024
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Abstract
An actuator unit includes an actuator configured to cause a vibration by a vibrated member when a force is applied to the vibrated member and a first sensor configured to generate a first detection signal indicating a first relationship of a first physical quantity varying with time. The first physical quantity is related to the vibration of the vibrated member, a variation cycle of the first physical quantity changes based on a magnitude of the force applied to the vibrated member. The actuator unit also includes a processing circuit configured to process the first detection signal, extract a parameter indicative of the variation cycle of the first physical quantity, and estimate the magnitude of the force applied to the vibrated member based on the parameter.
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