发明名称 MAT PRODUCT COMMUNICATION SYSTEM
摘要 A method of communicating information is provided, wherein the method includes providing a base mat adapted for receiving at least one replaceable sheet, where the base mat has first and second opposing surfaces. The method further includes providing a first replaceable sheet having a base surface and an opposing face surface, wherein the face surface displays indicia. The first replaceable sheet is removably attached to at least a portion of the first surface of the base mat so that the base surface of the sheet faces the first surface of the base mat, where it is displayed for a period of time. When it is desired to change the indicia, the first replaceable sheet is removed, and a second replaceable sheet is provided having a base surface and an opposing face surface, wherein the face surface displays indicia. The second replaceable sheet is removably attached to at least a portion of the first surface of the base mat so that the base surface of the sheet faces the first surface of the base mat.
申请公布号 WO0245057(A2) 申请公布日期 2002.06.06
申请号 WO2001US43469 申请日期 2001.11.16
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 MITRA, SMARAJIT;TSUEI, ALEXANDER, C.;SINCLAIR, JAMES, W.
分类号 A47L23/22;A47G27/02;A47L23/26;G09F7/04;G09F7/06;G09F15/00;G09F19/22;G09F23/00 主分类号 A47L23/22
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