公开(公告)号：US07889410B2

公开(公告)日：2011-02-15

申请号：US12057925

申请日：2008-03-28

Applicant: Li-Chun Liao ,  Chun-Wei Liang ,  Ching-Hsiang Yu

Inventor： Li-Chun Liao ,  Chun-Wei Liang ,  Ching-Hsiang Yu

IPC: G02B26/02

CPC classification number: G02B26/02 ,  G02B7/006 ,  G02B26/008

Abstract: A dynamic aperture device includes a motor, a light shielding element and a balancer. The motor has a shaft. The light shielding element has a light shielding portion and a hub connected to the light shielding portion. The hub is coupled to the shaft. The balancer is disposed on the light shielding element, the hub or the shaft.

Abstract translation: 动态光圈装置包括马达，遮光元件和平衡器。 电机有一个轴。 遮光元件具有遮光部和连接到遮光部的轮毂。 轮毂联接到轴上。 平衡器设置在遮光元件，轮毂或轴上。