Invention Grant
- Patent Title: Drum Wah
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Application No.: US15237483Application Date: 2016-08-15
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Publication No.: US10783860B2Publication Date: 2020-09-22
- Inventor: Lawrence Jin-Sung Ham
- Applicant: Lawrence Jin-Sung Ham
- Main IPC: G10D13/02
- IPC: G10D13/02 ; G10D13/10 ; G10D13/20

Abstract:
A drum and pitch adjustment device for a drum includes a drum with a sound producing membrane, a device for applying pressure to the sound producing membrane, and a cable configured to the device for applying and releasing pressure to the sound producing membrane, changing the pitch of the drum, but goes back to the drum's original pitch when absent this force. A hand operated lever, located on the side of the drum, operates the cable which makes the pressure device push up against the sound producing membrane and changing it's pitch. Absent this force, the drum goes back to its original pitch, which creates different tonal variety when played in real-time.
Public/Granted literature
- US20190311700A1 Drum Wah Public/Granted day:2019-10-10
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