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公开(公告)号：US11835736B2
公开(公告)日：2023-12-05
申请号：US16963492
申请日：2019-01-25
Inventor： Makoto Umeda , Tetsuya Uno , Naoki Yoshikawa , Takeshi Sakakibara , Kenichi Miyamori
CPC classification number: G02B27/646 , G02B7/023 , G02B7/026 , G02B7/08 , G03B5/00 , G03B2205/0007
Abstract: A lens barrel (10) comprises a fixed frame (30), a main shaft guide (40) that is fixed to the fixed frame, a movable frame (33) that moves along the main shaft guide (40), a driver (magnet (32), drive coil (33c)) that moves the movable frame (33) relatively with respect to the fixed frame (30) along the main shaft guide (40), and a vibration imparting unit (36) that imparts vibration to the main shaft guide (40).
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公开(公告)号：US12117665B2
公开(公告)日：2024-10-15
申请号：US17421597
申请日：2019-12-23
Inventor： Takeshi Sakakibara , Makoto Umeda , Naoki Yoshikawa , Tatsuhiro Enomoto , Tetsuya Morita
Abstract: An optical device actuator comprises a movable frame (33) including a focus lens (L11); a main shaft guide (40); a piezoelectric element (36a); a weight (36b); a fixed frame (30); a guide holding frame (35); and a spring (36c). The piezoelectric element (36a) imparts vibration to a first end (40a) side of the main shaft guide (40). The fixed frame (30) supports the piezoelectric element (36a) and the weight (36b) disposed on the first end (40a) side of the main shaft guide (40). The guide holding frame (35) supports, in a fixed state, the main shaft guide (40) on a second end (40b) side on the opposite side from the first end (40a) side. The spring (36c) is provided on the first end (40a) side of the main shaft guide (40), and presses the piezoelectric element (36a) along the axial direction with respect to the first end (40a) of the main shaft guide (40) via the weight (36b).
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