Patents Assigned to David Dohan
  • Audio system
    Patent number: 4429181
    Abstract: An audio system, characterized in that the audio signal passes through a preamplifier, equalization unit and electronic cross-over and before reaching the power amplifiers, which drive the speakers, is modified by an electronic resonance control correction (ERCC) circuit.
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: January 31, 1984
    Assignee: David Dohan
    Inventor: Tommyca Freadman