Patents Assigned to Alesis, L.P. a Limited Partnership of Delaware
  • Patent number: 8039724
    Abstract: 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.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: October 18, 2011
    Assignee: Alesis, L.P. a Limited Partnership of Delaware
    Inventors: James Norman, Brian Shim, Jan Wissmuller
  • Patent number: D663302
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: July 10, 2012
    Assignee: Alesis, L.P., a Limited Partnership of Delaware
    Inventors: Daniel I. Radin, Paul C. Williamson