LENS DRIVING DEVICE AND LENS BARREL

LENS DRIVING DEVICE AND LENS BARREL

PROBLEM TO BE SOLVED: To obtain a lens driving device capable of preventing tooth skipping, being fitted easily, and maintaining a stable mesh. SOLUTION: The lens driving device includes lenses, mirror frames, a movable member having teeth parts which mesh with a lead screw, and engaging parts which...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: FUNABASHI AKIRA, OKADA NAHO
Format: Patent
Sprache:eng
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To obtain a lens driving device capable of preventing tooth skipping, being fitted easily, and maintaining a stable mesh. SOLUTION: The lens driving device includes lenses, mirror frames, a movable member having teeth parts which mesh with a lead screw, and engaging parts which engage with the mirror frames; the lens driving device moves the movable member, lenses, and mirror frames in the direction of the optical axis of the lens by the rotation of the lead screw; and the teeth parts of the movable member sandwich the lead screw and their angles have inclination in the reverse directions. COPYRIGHT: (C)2009,JPO&INPIT