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US 2025/0104677 A1Published application
Instrument playing apparatus
AssigneeYamaha Corporation
InventorsMichiko TANOUE, Fukutaro OKUYAMA
Life of this patent
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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.
Claims11
An instrument playing apparatus comprising:
- 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 configured to generate a detection signal from a reference signal, wherein the filter is configured to reduce frequency components of a target band, and wherein the filter includes at least a first-stage filter including a first coil and a second-stage filter including a second coil, the first-stage filter and the second-stage filter being wired in series with each other and the first-stage filter being connected to an input of the reference signal.
1 more element
Dependencies are inferred from the claim text.