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Patent Searching and Data


Title:
SPEAKER SYSTEM
Document Type and Number:
WIPO Patent Application WO/1991/019406
Kind Code:
A1
Abstract:
A speaker system capable of absorbing a standing wave occurring in a cabinet (2) or in a sound guide pipe (5) to provide frequency response without peaks and dips. The speaker device includes, in the sound guide pipe (5) or the cabinet (2), resonance means (3) which resonates with the standing wave occurring in the sound guide pipe (5) or in the cabinet (2), and which extinguishes the energy of the standing wave. The resonance means is equipped with means for selecting a resonance wave resonating with the standing wave and a resonance position.

Inventors:
YOSHIDA SHUNJI (JP)
NAGAI KOJI (JP)
HONDA YOSHITOMO (JP)
SUGANO TADAAKI (JP)
Application Number:
PCT/JP1991/000688
Publication Date:
December 12, 1991
Filing Date:
May 23, 1991
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04R1/28; H04R1/30; (IPC1-7): G10K11/02; G10K11/16; H04R1/28; H04R1/30
Foreign References:
JPS4878827U1973-09-28
JPS5418901Y21979-07-14
JPS6161597B21986-12-26
JPS571196B21982-01-09
JPH01135295A1989-05-26
JPH0159396U1989-04-13
JPS57136857U1982-08-26
JPH01272296A1989-10-31
JPS5434228A1979-03-13
JPS56125189A1981-10-01
Attorney, Agent or Firm:
Oiwa, Masuo (2-3 Marunouchi 2-chom, Chiyoda-ku Tokyo 100, JP)
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