SPEAKER

A speaker (100) includes a yoke (107) configured to form a magnetic circuit, a first magnet (108) provided in a fixed manner, a voice coil (105) provided in a gap (107G) through which a magnetic flux of the magnetic circuit is configured to pass, a diaphragm (102) connected to the voice coil (105) a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAKASHITA, Tadashi, KANEKO, Masashi, TADA, Arata, TACHI, Ryosuke
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A speaker (100) includes a yoke (107) configured to form a magnetic circuit, a first magnet (108) provided in a fixed manner, a voice coil (105) provided in a gap (107G) through which a magnetic flux of the magnetic circuit is configured to pass, a diaphragm (102) connected to the voice coil (105) and configured to vibrate with the voice coil (105), a second magnet (110) provided on a diaphragm unit including the voice coil (105) and the diaphragm (102), and a magnetic sensor (120) provided at a position through which both of a first magnetic flux generated by the first magnet (108) and a second magnetic flux generated by the second magnet (110) are configured to pass, wherein a direction of the first magnetic flux and a direction of the second magnetic flux are different from each other.