DRIVING APPARATUS AND ELECTRONIC DEVICE

This application provides a driving apparatus and an electronic device. The driving apparatus may be applied to the electronic device. The driving apparatus includes a variable aperture. A piezoelectric ceramic of the variable aperture is configured to deform under signal control, to drive a rotatio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Li, Dengfeng, Ji, Ang, Bian, Xinxiu
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELECTROGRAPHY GENERATION HOLOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	This application provides a driving apparatus and an electronic device. The driving apparatus may be applied to the electronic device. The driving apparatus includes a variable aperture. A piezoelectric ceramic of the variable aperture is configured to deform under signal control, to drive a rotation ring of the variable aperture to rotate relative to a base of the variable aperture. Each blade of the variable aperture rotates relative to the rotation ring and slides relative to a first protrusion part of the base, and a hole diameter of an aperture hole of the variable aperture changes. A change range of the aperture hole of the variable aperture in this application is not easily affected by an external magnetic force of the variable aperture.