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JPS4874217

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DESCRIPTION JPS4874217
December, 1977 JZ Date of Invention 3 Special Program Applicant 43 (763) 2117 (Major
Representative) 4 List of Attached Buildings ■ Japan Patent Office Open Patent Gazette ■
Japanese Patent No. . (1973) Request for examination of IQ6 (all three pages) Office serial
number Jo Japan classification specification Name of the invention horn-type speaker Name of
the invention horn-type speaker
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a prior art example of a horn type speaker, and
FIG. 2 is an embodiment of the present invention. Also, FIGS. 3 to 5 show an embodiment of the
sound and resonance control plate, and FIG. 6 shows frequency characteristics. 11 horn part, 12
diaphragm 121 support plate, 13 povin 14 voice coil, 151, 152 support plate (6) foot member,
16 equalizer, 17 acoustic control plate 171 support plate, 18 rim, 19 micron glass wool . Patent
applicant Pioneer Corporation 21 half 1 figure h21 ′ ′ 21) 'S' End Page: 2 half 3 half 4 items f
□ 5; In 6 Figure End Page: 3
02-05-2019
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