Generally and in one form of the invention this is a periodic surface filter comprising at least one element at a surface of the filter and electronic controls to change the optical characteristics of the element. Other methods and devices are disclosed.
申请公布号
US5661594(A)
申请公布日期
1997.08.26
申请号
US19950454463
申请日期
1995.05.30
申请人
TEXAS INSTRUMENTS INCORPORATED
发明人
RHOADS, CHARLES M.;FRAZIER, GARY;HOFFMAN, II, RICHARD G.;KESLER, OREN B.;RYAN, DANIEL J.
