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Indication input device

阅读:116发布:2022-01-17

专利汇可以提供Indication input device专利检索,专利查询,专利分析的服务。并且PURPOSE: To secure a sufficient effect to prevent the mixture of the dust for the indication input device having the keyboard switch composed of the transparent substance plus the item display substance with the character or the like written provided at the lower part of the keyboard switch, by providing the elastic sheet substance onto the keyboard in an undetachable way.
CONSTITUTION: During the operation, the switch 66 is pushed via the sheet substance 78 positioned on the indication item the visible item display substance 24 desires through the transparent part of the substance 78 and the switch 66 each. Thus both the substance 78 and the switch 66 have a displacement each, and the signal is generated for the desired indication item. In such case, no exfoliation of the substance 78 occurs even with rather a rough handling since the substance 78 is provided onto the upper surface of the keyboard in an undetachable way. Thus a sufficient effect can be obtained for prevention of mixture of the dust.
COPYRIGHT: (C)1981,JPO&Japio,下面是Indication input device专利的具体信息内容。

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