Patent Number: 7,611,295

Title: Electric dust-proof device

Abstract: An electric dust-proof device includes a driving mechanism disposed on a base seat unit, and a dust-proof plate driven by the drive mechanism. The driving mechanism includes a power unit, a drive unit driven by the power unit, a driving seat driven by the drive unit, and a driven seat driven by the driving seat. The dust-proof plate is driven by the driven seat to move between an open position and a close position.

Inventors: Tsai; Yao-Ching (Taichung, TW), Yen; Jung-Chun (Taichung, TW), Huang; Chien-Lung (Taichung, TW)

Assignee: Asia Optical Co., Inc.

International Classification: G03B 17/00 (20060101); G02B 23/16 (20060101); G03B 9/10 (20060101)

Expiration Date: 1/03/02017