Patents Assigned to Sparkomatic
  • Stereo sound source for portable computer
    Patent number: 5550921
    Abstract: A dual-speaker unit providing improved stereo base response and directionality for portable computer applications is disclosed. The small speakers direct low end frequencies into a mixing chamber which directs these frequencies out through a central exit port, thereby providing clearer base response without sacrificing psychoacoustic directionality.The speakers are mounted on the mixing chamber and also rotatable relative to it, for adjustable stereo imaging and compact portability.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: August 27, 1996
    Assignee: Sparkomatic
    Inventor: Tommyca Freadman