发明名称 Optical unit and image pickup apparatus utilizing electrostrictive drive elements
摘要 An optical unit is provided which is characterized by compact configuration, high performance and minimized noise, and which has a drive element to drive a lens cone holding an image pickup optical system, and has the same outside diameter as the lens cone, wherein the optical unit drives the image pickup optical system by expanding and contracting the drive element in a direction of an optical axis of the image pickup optical system. An image pickup apparatus is provided which is characterized by compact configuration, high performance and minimized noise, and which has an optical unit coupled to an image pickup unit through a drive element, and has the same outside diameter as the optical unit, wherein the apparatus drives the optical unit by expanding and contracting the drive unit in a direction of an optical axis of the optical unit.
申请公布号 US8154649(B2) 申请公布日期 2012.04.10
申请号 US20080205003 申请日期 2008.09.05
申请人 SHIOTA NATSUKO;HARA YOSHIHIRO;KOSAKA AKIRA;TANIMURA YASUTAKA;KONICA MINOLTA OPTO, INC. 发明人 SHIOTA NATSUKO;HARA YOSHIHIRO;KOSAKA AKIRA;TANIMURA YASUTAKA
分类号 H04N5/225 主分类号 H04N5/225
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