Cathode ray tube system专利检索-微通道板微电子学专利检索查询-专利查询网

Cathode ray tube system

阅读：858发布：2021-08-08

专利汇可以提供Cathode ray tube system专利检索，专利查询，专利分析的服务。并且A cathode ray tube system having a source of electrons and a phosphor screen. A michrochannel plate having secondary emissive surfaces is positioned in the cathode ray tube so that the source of electrons is directed towards the microchannel plate. Output electrons from the microchannel plate are directed towards the reduced cross-sectional end of a magnification tube interposed between the microchannel plate and the phosphor screen which is at the enlarged end of the magnification tube. The resulting structure allows a reduced cross-sectional area microchannel plate to be used in the cathode ray tube system. Alternatively, the system may be manufactured of two envelopes with the first envelope containing the source of electrons which is directed to the microchannel plate. Electrons are then directed from the microchannel plate towards a phosphor screen adjacent thereto and light energy from the phosphor screen transmitted to a fiber optic structure at the end of the first envelope. A second fiber optic structure in the second envelope is adjacent the first fiber optic structure. Light emanating intothe fiber optic structure then appears at a photosensitive device adjacent the second fiber optic structure. The photosensitive device emits electrons into a magnitication tube in the second envelope which are directed towards a phosphor screen in the other end of the second envelope.，下面是Cathode ray tube system专利的具体信息内容。

权利要求

1. A cathode ray tube system comprising: a magnification tube having a first longitudinal section of reduced cross-sectional area and a second section of enlarged cross-sectional area; a source of electrons at one end of said first section and a first phosphor screen at the opposite end of said second section; a microchannel plate having secondary-emissive surfaces in the channels for multiplying electrons from said source, said microchannel plate being positioned within the other end of said first section; electromagnetic deflection means around said first section between said electron source and microchannel plate for scanning electrons across said microchannel plate; and conical electron focusing means in said second section extending outwardly from the reduced to the enlarged cross-sectional area between said microchannel plate and screen for focusing and directing multiplied electrons onto said screen to provide an enlarged image of increased brightness.

2. The cathode ray tube system in accordance with claim 1 further comprising fiber optic means adjacent said other end of said first section interposed between said microchannel plate and said other end, a second phosphor screen on one side of said fiber optic means facing said microchannel plate, and a photoemissive surface on the other side of said fiber optic means at said other end.

3. The cathode ray tube system in accordance with claim 2 wherein said magnification tube includes two adjacent longitudinal tubular envelopes having adjacent ends of reduced cross-sectional areas, said fiber optic means includes a first and second fiber optic device positioned adjacent each other in respective adjacent ends of said tubular envelopes, said first envelope containing said source of electrons, said microchannel plate, said second phosphor screen and said first fiber device, and said second envelope including said second fiber optic device and said photoemissive surface in said reduced cross-sectional area and said focusing means and said first phosphor screen in said enlarged area.

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