发明名称 Warning device for a washing apparatus which advises whether its contents are clean or soiled
摘要 An indicating system for a washing device having has at least one rack for holding articles during the washing of same and a door for gaining access to the articles. The indicating system includes a detector for sensing whether or not the rack holds articles and logic circuits responsive to the detector and to the operating state of the washer for providing an indication that the articles have been cleaned when a predetermined operating state is detected and for providing an indication that any articles in the washer are not clean after the detector senses that the articles in the rack were removed from the at least one rack.
申请公布号 US5229753(A) 申请公布日期 1993.07.20
申请号 US19910712945 申请日期 1991.06.10
申请人 BERG, RICHARD P.;BERG, FLOYD L. 发明人 BERG, RICHARD P.;BERG, FLOYD L.
分类号 A47L15/42 主分类号 A47L15/42
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