Numark Industries, L.p.

Alesis, L.p., a Limited Partnership of Delaware

Brian Shim

Christopher Blane Roman

James Glenn Norman

Jan Wissmuller

A removable electronic drum head for an acoustic drum is disclosed. The electronic drum head includes an elastic strike layer, a rigid plate centered below the elastic strike layer. A first sensor is attached to a bottom surface of the rigid plate. A structural body supports the elastic strike layer, rigid plate and first sensor. The structural body is further adapted to attach to an acoustic drum. Other optional foam layers may be included above and below the rigid plate.

Removable electronic drum head for an acoustic drum

The video player for disc jockeys has a playback unit () and a control unit () in separate housings (). The playback unit has two video drives () contained therein. Each drive () has a signal. The control unit has two user interfaces () to control the video drives () and selectively mix the signals.

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Santa Monica, CA, United States of America

Brian Shim