EDGE, SPEAKER UNIT, MICROPHONE, AND ACOUSTIC PROCESSING DEVICE

To provide an edge and the like that improve sound quality. The edge includes an edge-shaped portion that is formed from an inner peripheral portion to an outer peripheral portion, and a groove portion that is formed in the edge-shaped portion and has a peak portion and a valley portion, wherein a r...

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Bibliographische Detailangaben
Hauptverfasser:	SHINMEN, NAOKI, SHIOMI, SHUNSUKE, SATO, YUTA, IGARASHI, GO
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	To provide an edge and the like that improve sound quality. The edge includes an edge-shaped portion that is formed from an inner peripheral portion to an outer peripheral portion, and a groove portion that is formed in the edge-shaped portion and has a peak portion and a valley portion, wherein a ridge line of the valley portion of the groove portion extends from a start point on the inner peripheral portion side to an end point on the outer peripheral portion side so as to draw a continuously changing curve.