Speaker apparatus equipped with means for producing complicated waveform of low frequency with higher improved fidelity
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 28, 2004
Grant Date -
Mar 13, 2003
app pub date -
Oct 9, 2002
filing date -
Dec 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a speaker apparatus equipped with a speaker unit including a magnet, a frame and a diaphragm, a speaker housing has a substantially cylindrical shape, and also has such a structure that the speaker unit is secured onto one end surface of the cylindrical shape of the speaker housing so as to substantially cover the speaker unit except for front and back surfaces of the diaphragm. Further, the speaker housing has an opening in another end surface of the cylindrical shape thereof. A support bar extends and has one end secured to a back surface of the magnet of the speaker unit. Furthermore, a weight is secured to another end of the support bar, and then, the weight holds the support bar in a substantially vertical direction and grounds the magnet acoustically and virtually, thereby attenuating and suppressing oscillation transmitted from the magnet to the support bar.
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