Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michiko Tanoue0
Fukutaro Okuyama0
Date of Patent
March 5, 2024
0Patent Application Number
170879510
Date Filed
November 3, 2020
0Patent Citations
Patent Primary Examiner
Patent abstract
An instrument playing apparatus has: a movable member configured to be displaced responsive to a playing operation of a user; a detection part formed from a magnetic or conductive body and disposed on the movable member; and a filter that includes a coil. The filter has a frequency response that changes depending on a distance between the detection part and the coil, and generates a detection signal from a reference signal.
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