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JPS5981185

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DESCRIPTION JPS5981185
[0001]
Brief description of the drawings
[0002]
1 is a directional characteristic diagram of a cone-type speaker, FIG. 2 is a directional
characteristic diagram of a conventional flat-drive speaker, and FIG. FIG. 4 is a directional
characteristic view of a flat drive speaker with an audio diffuser according to the present
invention; FIG. 1 ・ ・ ・ Cone type speaker, 2. 5. 5 '... speech spreading pattern, 3. 6. 6 '...
loop showing directivity characteristics of high-pitched part, 4 ... flat drive type speaker 7: voice
spreader 7a, 7b, 7c, 7d-reflector.
03-05-2019
1
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