Patent ID: 6031920
Filing Date: 2000-02-29
Classification: H04R

Abstract:
A sound lens speaker system, comprising:a) a concave sound lens having an upper parabolic portion and a lower parabolic portion, a cross-section through a center of said upper parabolic portion being defined by a first parabolic equation, said upper parabolic portion being defined by revolution of a portion of a first parabola defined by said first parabolic equation about an axis of said first parabola, and a cross-section through a center portion of said lower parabolic portion being defined by a second parabolic equation different than said first parabolic equation, said lower parabolic portion being defined by revolution of a portion of a second parabola defined by said second parabolic equation about an axis of said second parabola; andb) a speaker driver assembly having a first driver means for emitting sound waves of a first frequency range into said sound lens, and a second driver means for emitting sound waves of a second frequency range into said sound lens.