Dustproof panel

Details Dustproof panel Dustproof panel

2011-07-26

2011-07-26

Cherry, Euncha P (Department: 2872)

Optical: systems and elements

Protection from moisture or foreign particle

Reexamination Certificate

active

07984996

ABSTRACT:
The dustproof panel includes: (a) a dustproof plate, which has a size covering a screen and extending to a frame member, and whose portion opposing the screen has transparent properties; (b) a frame-shaped dustproof filter formed by attaching a foam body having shrinking properties and containing pores finer than dust particles to a rear surface of the dustproof plate, the attachment being made without gaps therebetween in a frame shape along the edge of the dustproof plate, and the foam body abutting against the frame member; and (c) an attachment/detachment body having a first constituent element attached to the rear surface of the dustproof plate along an inner circumference of the frame-shaped dustproof filter and a second constituent element attached to a front surface of the frame member so as to oppose the first constituent element, the first constituent element and the second constituent element being mutually attachable and detachable.

REFERENCES:
patent: 5797570 (1998-08-01), Dolan et al.
patent: 2002/0176170 (2002-11-01), Huang
patent: 2006/0232915 (2006-10-01), Chou et al.
patent: 6-22872 (1994-06-01), None

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