VIBRATION ACTUATOR AND ELECTRONIC DEVICE

A vibration actuator (1) includes: a movable body (20) having: a disk-shaped magnet (30); a pair of magnetic cores (41, 42) fixed to both surfaces (30a, 30b) of the magnet (30); and a pair of spring stopper parts (22, 24) connected to the magnetic parts (30); a pair of elastic support parts (81, 82)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YOSHII, Yuta, TAKAHASHI, Yuki, INAMOTO, Shigenori, SHIMOMURA, Shigeyuki, KUMANOMIDO, Yoshihiro, SEKIGUCHI, Chikara, KODAMA, Daisuke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A vibration actuator (1) includes: a movable body (20) having: a disk-shaped magnet (30); a pair of magnetic cores (41, 42) fixed to both surfaces (30a, 30b) of the magnet (30); and a pair of spring stopper parts (22, 24) connected to the magnetic parts (30); a pair of elastic support parts (81, 82) connected to the spring stopper parts (22, 24) and configured to support the movable body (20); a fixing body (50) configured to connect to the elastic support parts (81, 82) with a protection wall portion (522), a pair of annular coils (61, 62) and a magnetic shield (58) disposed in this order at an outer circumferential side, and accommodate the movable body (20) such that the movable body (20) is capable of reciprocally vibrating in an axial direction; and a cylindrical resin case (10) having, on a circumferential wall portion (112), an opening portion for wires for supplying power to the coils (61, 62) and configured to close upper and lower faces of the circumferential wall portion (112) and accommodate the fixing body (50).