Title:
SPEAKER DEVICE, SOUND SOURCE SIMULATION SYSTEM, AND ECHO CANCELING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/152433
Kind Code:
A1
Abstract:
Disclosed is a speaker device, which comprises an enclosure in which a speaker unit and a bass reflex port are installed, wherein: the aforementioned bass reflex port has a tubular body that has an external aperture section that opens to the outside of the enclosure and an internal aperture section that opens to the inside of the enclosure, and the area of the hollow cross section of the tubular body gradually decreases along the axial direction from the end sections to the center section; said tubular body has a shape of which the length of said hollow cross section in one direction does not change along the aforementioned axial direction; and the internal aperture section of the aforementioned bass reflex port is positioned on the far side from the aforementioned speaker unit, sandwiching said bass reflex port.
Inventors:
ARAI AKIRA
Application Number:
PCT/JP2011/062552
Publication Date:
December 08, 2011
Filing Date:
May 31, 2011
Export Citation:
Assignee:
YAMAHA CORP (JP)
ARAI AKIRA
ARAI AKIRA
International Classes:
H04R1/02; H04R1/28; H04R3/02
Foreign References:
| JP2009260952A | 2009-11-05 | |||
| JPH01254096A | 1989-10-11 | |||
| JPH03129553U | 1991-12-26 | |||
| JP2007194800A | 2007-08-02 | |||
| JP2008048176A | 2008-02-28 | |||
| JP2009260952A | 2009-11-05 |
Other References:
See also references of EP 2579612A4
B. C. J. MOORE, AN INTRODUCTION TO PSYCHOLOGY OF HEARING
B. C. J. MOORE, AN INTRODUCTION TO PSYCHOLOGY OF HEARING
Attorney, Agent or Firm:
FURUDATE Kuniko (JP)
古館 Kuniko (JP)
古館 Kuniko (JP)
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Claims: