发明授权
- 专利标题： Measuring and controlling the moisture content of hair
- 专利标题（中）： 测量和控制头发的水分含量
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申请号： US870767申请日： 1986-05-12
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公开(公告)号： US4744154A公开(公告)日： 1988-05-17
- 发明人: Heribert Bollinger , Siegfried Hollmann , Detlef Mattinger
- 申请人： Heribert Bollinger , Siegfried Hollmann , Detlef Mattinger
- 申请人地址： DEX Darmstadt
- 专利权人： Wella Aktiengesellschaft
- 当前专利权人： Wella Aktiengesellschaft
- 当前专利权人地址： DEX Darmstadt
- 优先权： DEX3433246 19840911
- 主分类号： A45D20/30
- IPC分类号： A45D20/30 ; F26B25/22 ; G05D22/02
摘要：
Mean values of the humidity of air in a return air duct (9) of a drying hood (1) are formed at equal measurement intervals by means of a differential measuring device process in a measurement (19). A first stop signal is transmitted from the measuring device (19) to a hair drying programme device (22) when a predetermined differential value of the measured air humidity mean values is achieved.
公开/授权文献
- US6044226A Attention focusing device and method for photography subject 公开/授权日：2000-03-28
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