[1]Patent:US5998433,1999,A,
[1]Patent:CN104497008,2016,B,.Locationinpatent:Paragraph0242;0244;0245
[1]Patent:US5998433,1999,A
[1]Patent:US5998433,1999,A
[1]Patent:US5594004,1997,A
[1]Patent:WO2009/151598,2009,A1.Locationinpatent:Page/Pagecolumn164-165
[1]Patent:US2011/196150,2011,A1.Locationinpatent:Page/Pagecolumn120-121