Speaker system

  • US 10,623,850 B2
  • Filed: 08/28/2017
  • Issued: 04/14/2020
  • Est. Priority Date: 08/31/2016
  • Status: Active Grant
First Claim
Patent Images

1. A speaker system comprising:

  • a speaker unit;

    a phase-inversion enclosure that includes a front plate in which the speaker unit is installed, the front plate having an opening;

    a bass reflex port that is installed in the phase-inversion enclosure, the bass reflex port comprising a tubular body, the tubular body having a tubular shape and having first and second openings, the tubular body extending in a first axial direction which is a direction from the first opening towards an inside of the tubular body, an area of at least a portion of a cross-section of the tubular body perpendicular to the first axial direction becoming gradually smaller as going in the first axial direction, and a length of the cross-section in a predetermined second axial direction parallel to the cross-section being constant along the first axial direction, the tubular body comprising a flat plate that has a flat surface perpendicular to the predetermined second axial direction, one side of the flat plate defining an edge of the first opening;

    a first flow-regulating plate that is provided near the first opening, the first flow-regulating plate having a shape adapted to a flow rate of airflow discharged from the first opening or drawn into the first opening; and

    a connecting space portion that connects the second opening to the opening of the front plate,wherein one side of the first flow-regulating plate has a shape of an arc that conforms to an exponential function or to a predetermined radius of curvature,wherein the bass reflex port is installed on an inner surface of the front plate or an outer surface of the front plate,wherein the first axial direction is parallel to the inner surface or the outer surface, andwherein the first flow-regulating plate is provided near the one side of the flat plate, and the first flow-regulating plate is parallel to the flat plate.

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