Electronic musical instrument and key operation detection method
AssigneeRoland Corporation
InventorsYuji Terada, Hidemasa Togai
Life of this patent
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Abstract
An electronic musical instrument includes an instrument body and a plurality of keys, each of which has an operation surface operated by a player's finger is provided on an external surface of the instrument body. Among the plurality of keys, at least two keys are disposed to be adjacent to each other, and the operation surfaces of the at least two keys are configured to be inclined to descend toward between the at least two keys when viewed from a left-right direction of the electronic musical instrument.
Claims21
An electronic musical instrument comprising:
- an instrument body;
- and
- a plurality of keys, each of which having an operation surface operated by a player's finger and being provided on an external surface of the instrument body,
- wherein among the plurality of keys, at least two keys are disposed to be adjacent to each other, and
- the operation surfaces of the at least two keys are configured to incline toward each other when viewed from a left-right direction of the electronic musical instrument.
An electronic musical instrument comprising:
- a body;
- and
- at least two control keys which are provided on a surface of the body, each of the at least two control keys having an operation surface,
- wherein the operation surfaces of the at least two control keys are configured to slope downwards toward each other when viewed from a left-right direction of the electronic musical instrument.
A key operation detection method in an electronic musical instrument comprising an instrument body and a plurality of keys, each of which having an operation surface operated by a player's finger and being provided on an external surface of the instrument body, the key operation detection method comprising:
- disposing at least two of the keys to be adjacent to each other;
- configuring the operation surfaces of the at least two keys to incline toward each other when viewed from a left-right direction of the electronic musical instrument;
- and
- detecting operations of the keys while restricting escape of the player's finger from the at least two keys.
Dependencies are inferred from the claim text.