Electronic printing device comprising an array of tunnel cathodes专利检索-电子墨水显示技术专利检索查询-专利查询网

Electronic printing device comprising an array of tunnel cathodes

阅读：509发布：2022-11-05

专利汇可以提供Electronic printing device comprising an array of tunnel cathodes专利检索，专利查询，专利分析的服务。并且A solid-state electronic printing device which is compact and does not require the use of a high voltage, wherein the movement of electrons emitted into the atmosphere from a tunnel cathode or a photo-cathode is controlled by the potential of a control electrode disposed in the vicinity of said cathode, thereby said electrons being deposited, directly or in the form of a corresponding amount of ink, on a recording medium according to said potential of said control electrode.，下面是Electronic printing device comprising an array of tunnel cathodes专利的具体信息内容。

权利要求

1. An electronic printing device for producing a record corresponding to an applied signal voltage comprising an array of tunnel cathodes, means for scanning said array of tunnel cathodes, means for producing a record on a recording medium by electrons emitted by said cathodes which directly impinge upon said recording medium, and a control electrode interposed between said array of tunnel cathodes and said recording medium, said control electrode controlling the electrons emitted from said cathodes in accordance with said signal voltage.

2. An electronic printing device as defined in claim 1, which further comprises an ink vessel disposed between said array of electron emissive cells and said control electrode and adjacent to said electron emissive cells, said ink vessel being provided with small through-holes in alignment with said electron emissive cells, thereby to control the amount of ink transferred to a recording medium according to said signal voltage.

3. An electronic printing device as defined in claim 1, wherein said array of electron emissive cells comprises an ultraviolet ray pervious substrate and an array of cells of thin gold film provided on said substrate.

4. An electronic printing device as defined in claim 1, wherein each of said electron emissive cells comprises a photo-electron emissive thin film and said control electrode consists of mutually discrete portions, each portion being disposed opposite to each of said electron emissive cells and said device further comprises means for switching said signal voltage sequentially over said discrete portions of said control electrode.

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Electronic printing device comprising an array of tunnel cathodes

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