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Patent Searching and Data


Title:
SPEAKER SYSTEM
Document Type and Number:
Japanese Patent JP3106663
Kind Code:
B2
Abstract:

PURPOSE: To obtain a speaker system in which the influence of a side lobe in sound pressure frequency characteristic can be reduced and directivity characteristic can be controlled extending over a wide frequency band range from a low frequency tone area even when the interval between the speakers is set widely in a speaker system using plural speaker units to attach directivity from the low frequency tone range.
CONSTITUTION: This system is composed in such a way that two speaker units 7, 8 are arranged by providing the interval on a horizontal axis, and two speaker units 9, 10 are arranged on a vertical axis passing the center point of the interval between the two speaker units 7, 8 by providing almost the same interval separated from the center point, and another speaker unit 12 is arranged in the center part between those four speaker units 7, 8, 9, and 10.


Inventors:
Tetsushi Koura
Shuji Saeki
Kazue Sato
Application Number:
JP5254992A
Publication Date:
November 06, 2000
Filing Date:
March 11, 1992
Export Citation:
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Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H04R1/26; H04R1/40; (IPC1-7): H04R1/40; H04R1/26
Domestic Patent References:
JP57133797A
JP6330093U
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)