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Patent Searching and Data


Title:
SPEAKER OF FULL SURFACE DRIVEN TYPE
Document Type and Number:
Japanese Patent JPS5245921
Kind Code:
A
Abstract:

PURPOSE: To provide a speaker, in which low frequency resonance is effected with the respective positions of a vibrator having additional weights so that the sound wave range including a low frequency band may be expanded.


Inventors:
NISHIYAMA SHIZUO
Application Number:
JP12082075A
Publication Date:
April 12, 1977
Filing Date:
October 08, 1975
Export Citation:
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Assignee:
NISHIYAMA SHIZUO
International Classes:
H04R17/00; (IPC1-7): H04R17/00