Speaker Device, Sound Source Simulation System, and Echo Cancellation System
1 Assignment
0 Petitions
Accused Products
Abstract
A speaker device includes an enclosure provided with a speaker unit and a bass reflex port, wherein the bass reflex port has an outer opening opened to outside of the enclosure and an inner opening opened to inside of the enclosure, and has a tubular body whose hollow cross-sectional area is gradually reduced along an axial direction of the bass reflex port from its ends to its center, and the tubular body is formed so that a length of the hollow cross-section in one direction does not change along the axial direction, and wherein the inner opening of the bass reflex port is located opposite to the speaker unit, with the bass reflex port sandwiched therebetween.
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Citations
14 Claims
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1-9. -9. (canceled)
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10. A speaker device comprising a phase inversion type enclosure provided with a speaker unit and a bass reflex port,
wherein the bass reflex port has a tubular body whose hollow cross-sectional area is gradually reduced along an axial direction of the bass reflex port from its openings to inside, and the tubular body has a constant size so that a length of the hollow cross-section in one direction does not change along the axial direction, wherein the opening of the bass reflex port, located at an inner position of the enclosure, is located opposite to the speaker unit, with the bass reflex port sandwiched therebetween, and wherein a distance between a center position of the speaker unit and a center position of the opening, located at an outer position of the enclosure, is equal to or less than a diameter of the speaker unit.
Specification