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1. 发明授权

US4653491A Water content sensing and informing system for a disposable diaper 失效
标题翻译：一次性尿布的含水量感应和通报系统
公开(公告)号：US4653491A
公开(公告)日：1987-03-31
申请号：US743748
申请日：1985-06-12
申请人： Shigeru Okada , Katsutoshi Rokuta
发明人： Shigeru Okada , Katsutoshi Rokuta
IPC分类号： A61F5/44 , A61F5/48 , A61F13/15 , A61F13/42 , A61B19/00 , G08B21/00
CPC分类号： A61F5/4401 , A61F13/42 , A61F5/48 , A61F2013/8479
摘要： Water content sensing and informing system for a disposable diaper consisting of water permeable inner sheet, water absorber, and water impermeable outer sheet, comprises at least one pair of metal layers, one surface of one layer being covered with an electric insulating layer, formed between the water impermeable outer sheet and the water absorber, a detector for detecting water content absorbed in the diaper, and an informing mechanism for informing the detected result. The pair of metal layers is isolated with constant distance to each other and extended in the longitudinal direction of the diaper. The pair of metal layers is formed in a thin layer by a lamination or vacuum evaporation of a metal leaf. The informing mechanism is selected from a visual, auditory, remote informing device using an oscillator and receiver, or combination of these.
摘要翻译：由透水内层，吸水剂和不透水外层组成的一次性尿布的含水量检测和通知系统包括至少一对金属层，一层的一个表面被电绝缘层覆盖，形成在防水外层片和吸水剂，用于检测尿布中吸收的水分含量的检测器，以及用于通知检测结果的通知机构。一对金属层被隔离成彼此恒定的距离并且在尿布的纵向方向上延伸。一对金属层通过金属叶片的层压或真空蒸发形成薄层。从使用振荡器和接收器的视觉，听觉，远程通知装置或这些的组合中选择通知机制。

2. 发明授权

US4754264A Water content detecting device for diaper 失效
标题翻译：尿布含水检测装置
公开(公告)号：US4754264A
公开(公告)日：1988-06-28
申请号：US867501
申请日：1986-05-28
申请人： Shigeru Okada , Katsutoshi Rokuta , Toshio Ikegawa
发明人： Shigeru Okada , Katsutoshi Rokuta , Toshio Ikegawa
IPC分类号： A61F5/48 , A61F13/42 , G01N27/22 , G08B21/00
CPC分类号： G01N27/223 , A61F13/42 , A61F5/48
摘要： A water content detecting device for any type of diaper such as a cloth made reusable diaper, a paper made disposable diaper, or the like includes a sensing unit for sensing the degree of wetness of the diaper and an informing unit for transmitting the information representing the degree of wetness to a nursing person at a remote place. The sensing unit is detachably interposed in the diaper to be detected. The sensing unit is composed of a water impermeable upper sheet, a water permeable lower sheet, and a pair of metal layers placed between the upper sheet and the lower sheet and extending in the longitudinal direction of the sheets in parallel. One of the metal layers is covered with an electrical insulating layer. The informing unit is connected to the sensing unit through a pair of leads, and composed of a water content detecting circuit for detecting the change of electrostatic capacitance between the two metal layers of the sensing unit, a wave form shaping circuit, and an oscillating circuit. This water content detecting circuit mainly consists of an astable multivibrator which uses the two metal layers of the sensing unit as its feedback capacitor.
摘要翻译：用于任何类型的尿布的含水量检测装置，例如制成可重复使用的尿布的纸，一次性尿布等，包括用于感测尿布的湿度的感测单元和用于传送代表该尿布的信息的通知单元在偏远地方的护理人员的湿度。感测单元可拆卸地插入待检测的尿布中。感测单元由不透水的上片，可透水的下片和放置在上片和下片之间的一对金属层组成，并且在片的纵向方向上平行延伸。金属层之一被电绝缘层覆盖。通知单元通过一对引线连接到感测单元，并且由用于检测感测单元的两个金属层之间的静电电容变化的水含量检测电路，波形整形电路和振荡电路。该含水量检测电路主要由使用感应单元的两个金属层作为其反馈电容器的不稳定的多谐振荡器组成。

3. 发明授权

US4704108A Water content sensing and informing system for a disposable diaper 失效
标题翻译：一次性尿布的含水量感应和通报系统
公开(公告)号：US4704108A
公开(公告)日：1987-11-03
申请号：US831288
申请日：1986-02-20
申请人： Shigeru Okada , Katsutoshi Rokuta
发明人： Shigeru Okada , Katsutoshi Rokuta
IPC分类号： A61F5/44 , A61F13/15 , A61F13/42 , A61F13/49 , A61B19/00
CPC分类号： A61F5/4401 , A61F13/42
摘要： Water content sensing and informing system for the disposable diaper composed of a water permeable inner sheet, a water absorber and a water impermeable outer sheet, comprises a water content sensing means consisting of a water impermeable sheet, and a first and second metal layers, the first metal layer being formed on one side surface of the water impermeable sheet, and the second metal layer being formed on the other side surface of the sheet and an informing means, electrically connected to the above two metal layers, for informing that the water content in the diaper exceeds a specific level in response to the change of the electric conductivity between the first metal layer and the second metal layer. The water content sensing means is disposed in any suitable section in the diaper such as in the water absorber, between the water absorber and the water impermeable outer sheet, or between the water absorber and the water permeable inner sheet and is adapted to be assembled with the diaper by means of a pressure welding or an adhesive at the same manufacturing process.
摘要翻译：由透水内层，吸水体和不透水外层构成的一次性尿布的含水量检测和通知系统包括由不透水片组成的含水量检测装置和第一和第二金属层，第一金属层形成在不透水性片材的一个侧面上，第二金属层形成在片材的另一个侧面上，以及与上述两个金属层电连接的通知装置，用于通知含水量在第一金属层和第二金属层之间的电导率的变化中，尿布超过特定水平。水分检测装置设置在尿布中的任何合适的部分中，例如在吸水器，吸水器和不透水的外部片之间，或在吸水体和水可渗透的内层之间，并且适于与该尿布通过压力焊接或粘合剂在相同的制造过程中。

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