<p>A method and apparatus for altering the reflectivity of a screen when light is supplied to a portion of the screen is disclosed. The orientation and shape of wires disposed on at least one bar of the screen is controlled to alter the reflectivity of the screen. Also provided is a method and apparatus for supporting a screen on a surface such as a wall, including placing slots within the screen for mating with connecting members mounted on a support frame connected to the surface.</p>
申请公布号
EP1639209(B1)
申请公布日期
2013.09.04
申请号
EP20040752889
申请日期
2004.05.21
申请人
WEATHERFORD/LAMB, INC.
发明人
EKHOLM, MICHAEL;BAJRACHARYA, SABIN;BOETTNER, STEVE, R.;FLANSBURG, CHARLES, H.;BERRY, GERALD, ALLAN