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Thermal recording tube

阅读:912发布:2024-01-07

专利汇可以提供Thermal recording tube专利检索,专利查询,专利分析的服务。并且A plurality of belt conductors are arranged on the inner side of the face plate of a cathode ray tube, and a plurality of belt conductors are arranged on the outer side thereof. At the edge portion of the face plate which contacts a heat-sensitive paper, heat-radiative resistors are provided to connect both belt conductors. An earth terminal is connected with all of the belt conductors on the outer side of the face plate. The heatradiative resistor radiates heat by electric current supplied from an electron beam through the inside belt conductor so as to enable the recording on the heat-sensitive paper in contact therewith. Belt conductors may be manufactured by forming a resistive coating of e.g., SiO2 on a glass face plate and then by cutting to form a plurality of belts with a diamond cutter.,下面是Thermal recording tube专利的具体信息内容。

1. A thermal recording tube, comprising: a cathode ray tube having a face plate in contact with a heat sensitive paper at its edge portion, belt conductors provided on external and internal surfaces of said face plate, at aligned laterally spaced positions, means for scanning said internal surface belt conductors with an electron beam, and heat-radiative resistors provided on said edge portion of said face plate adapted to contact a heat-sensitive paper, said resistors electrically connecting said conductors and an external earth terminal commonly connecting said belt connectors on said external surfaces of said face plate.
2. A thermal recording tube, comprising: a cathode ray tube having a face plate in edge portion contact with a heat sensitive paper, inner belt conductors provided on the inner surface of said face plate, outer belt conductors provided on the outer surface of said face plate and connected in common to an earth terminal, means for scanning said inner belt conductors with an electron beam, and heat-radiative resistors provided on the paper contacting edge portion of said face plate and electrically connected respectively to corresponding inner and outer belt conductors.
3. A thermal recording tube as set forth in claim 2, wherein said heat-radiative resistors are composed of an SiO2 coating deposited onto said face plate.
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