Invention Grant
- Patent Title: Communication device for electronic musical instrument, electric power switching method thereof and electronic musical instrument
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Application No.: US17133677Application Date: 2020-12-24
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Publication No.: US11763788B2Publication Date: 2023-09-19
- Inventor: Kaoru Ishimine
- Applicant: Roland Corporation
- Applicant Address: JP Shizuoka
- Assignee: Roland Corporation
- Current Assignee: Roland Corporation
- Current Assignee Address: JP Shizuoka
- Agency: JCIPRNET
- Priority: JP 19238893 2019.12.27
- Main IPC: G10H1/00
- IPC: G10H1/00 ; G10H1/34
Abstract:
A communication device for an electronic musical instrument includes a battery; an input terminal that is connected to a MIDI output terminal of the electronic musical instrument; an output terminal that is connected to a MIDI input terminal of the electronic musical instrument; a control unit that transmits and receives various kinds of electronic information between the electronic musical instrument and the other electronic instrument via the input terminal and the output terminal; and a switching unit that switches between taking in electric power to be supplied to the control unit through a MIDI signal line from the electronic musical instrument via the input terminal and taking in the electric power from the battery in accordance with a communication state of the control unit.
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