Optical element driving mechanism

An optical element driving mechanism is provided. The optical element driving mechanism includes a case, a bottom, a holder, a driving assembly, and a position sensing assembly. The bottom is connected to the case. The holder is disposed on the bottom and holds an optical element with an optical axi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hung, Shih-Wei, Song, Sin-Jhong, Kao, Kuo-Chun
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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY GENERATION HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	An optical element driving mechanism is provided. The optical element driving mechanism includes a case, a bottom, a holder, a driving assembly, and a position sensing assembly. The bottom is connected to the case. The holder is disposed on the bottom and holds an optical element with an optical axis. The driving assembly drives the holder to move. The position sensing assembly senses the holder. The position sensing assembly includes a magnetic element, a sensor, and a magnetic-permeable element. The magnetic element is disposed on the holder. The sensor senses the magnetic element. The magnetic-permeable element is disposed adjacent to the sensor. The magnetic element and the sensor are arranged along a first direction. The sensor and the magnetic-permeable element are arranged along a second direction. The first direction is different from the second direction.