VIBRATION GENERATING DEVICE AND ELECTRONIC APPARATUS

To provide a vibration generating device thinning and downsizing of which can be achieved.SOLUTION: A vibration generating device 1 includes a projection part 20, a base 10, a coil 40, a plate 30, and an elastic member 51. The base 10 is provided with the projection part 20, and is formed of a magne...

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Hauptverfasser:	KAMOKI YUTAKA, UMEHARA MIKIO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a vibration generating device thinning and downsizing of which can be achieved.SOLUTION: A vibration generating device 1 includes a projection part 20, a base 10, a coil 40, a plate 30, and an elastic member 51. The base 10 is provided with the projection part 20, and is formed of a magnetic body. The coil 40 has an annular shape surrounding the projection part 20. The plate 30 is opposed to the base 10, and is formed of a magnetic body. The elastic member 51 supports the plate 30 with respect to the base 10. The plate 30 and the base 10 constitute a magnetic circuit.SELECTED DRAWING: Figure 2 【課題】薄型化又は小型化することが可能である振動発生装置を提供する。【解決手段】振動発生装置１は、凸部２０と、ベース１０と、コイル４０と、プレート３０と、弾性部材５１とを有している。ベース１０は、凸部２０が設けられており、磁性体で形成されている。コイル４０は、凸部２０を囲む環状である。プレート３０は、ベース１０に対向し、磁性体で形成されている。弾性部材５１は、プレート３０をベース１０に対して支える。プレート３０とベース１０とは、磁気回路を構成する。【選択図】図２