Camera tube
阅读：411发布：2023-03-28
专利汇可以提供Camera tube专利检索，专利查询，专利分析的服务。并且An intensified television camera tube including a channel multiplier array incorporated adjacent the target electrode to multiply the electrons being emitted from the source, the channel multiplier array being utilized as a mechanical support for the target electrode and as the output screen or readout mesh. Also, a system for eliminating spurious signals from the output video signal which includes a capacitance network connected in circuit with the input and output sections of the multiplier array.，下面是Camera tube专利的具体信息内容。
1. In a camera tube system for deriving an output signal in response to an electron image of the type having an electron emissive member and a target member separated therefrom, and an electron gun for scanning said target member, the improvement comprising means for amplifying the electron emission and deriving an output signal in response to the scanning of said target comprising: an electron multiplier disposed between said emissive member and said target member, said electron multiplier having an input face and an output face, an output conductive surface formed on said output face and an input conductive surface on said input face, said target member being a charge storage layer positioned in the proximity of said output conductive surface so that said target member and said conductive surface are capacitively coupled; output terminal means connected to said conductive surface for receiving voltages created on said conductive surface by said capacitive coupling; and detection circuit means responsive to said voltages and yielding said output signal, said detection circuit means including means providing capacitive coupling between said input conductive surface and said output conductive surface.
2. Th improvement of claim 1 wherein said target member is spaced from said conductive surface.
3. The improvement of claim 1 wherein said conductive surface physically supports said target member.
4. The improvement of claIm 3 further including an insulating layer between said conductive surface and said target member, said insulating layer being contiguous with both said conductive surface and said target member.
5. The improvement of claim 1 wherein said coupling is an alternating current coupling.
6. The improvement of claim 1 wherein said electron multiplier is a channel multiplier array having a body member, a plurality of channels formed in said body member and extending between said input surface and said output surface, and the interior surface of each of said channels being covered with electron emissive material.
7. The improvement of claim 6 wherein said target member is spaced from said conductive surface.
8. The improvement of claim 6 wherein said conductive surface physically supports said target member.
9. The improvement of claim 8 further including an insulating layer between said conductive surface and said target member, said insulating layer being contiguous with both said conductive surface and said target member.
10. The improvement of claim 1 wherein said detection circuit further includes impedance means electrically coupled to said input and output conductive surfaces for shunting spurious signals produced at said output surface by a high gain operation of said electron multiplier.
11. The improvement of claim 10 wherein said impedance means is connected to said input conductive surface for electrically isolating said input surface from ground so that the potential of said input surface can vary in response to shunted spurious signals and thereby eliminate said spurious signals.
12. The improvement of claim 11 wherein said impedance provides said capacitive coupling between said input conductive surface and said output conductive surface, and said impedance means includes resistive means connected to said input conductive surface for isolating said spurious signals from said detection circuit means.
13. The improvement of claim 12 wherein said capacitive coupling is provided by the capacitance inherently formed by said input and output conductive surfaces.
14. In a camera tube system for deriving an output signal in response to an electron image of the type having an electron emissive member a target member separated therefrom, and an electron gun for scanning the target member, the improvement comprising means for amplifying the electron emission and deriving an output signal in response to the scanning of the target comprising: an electron multiplier array disposed between said emissive member and said target member, said electron multiplier having an input face and an output face, an output conductive surface formed on said output face; output terminal means coupled to said conductive surface for receiving image signals created on said conductive surface; and output detection circuit means responsive to said image signals and yielding said output signal.
15. The camera tube of claim 14 wherein said electron multiplier further includes an input conductive surface on said input face, and said detection circuit means includes means providing capacitive coupling between said input conductive surface and said output conductive surface.
16. The camera tube of claim 15 wherein said detection circuit further includes impedance means electrically coupled to said input and output conductive surfaces for shunting spurious signals produced at said output surface by a high gain operation of said electron multiplier.
17. The camera tube of claim 16 wherein said impedance means is connected to said input conductive surface for electrically isolating said input surface from ground so that the potential of said input surface can vary in response to shunted spurious signals and thereby elimimate said spurious signals.
18. The camera tube of claim 17 wherein said impedance provides said capacitive coupling between said input conductive surface and said output conductive surface, and said impedance means includes resistivE means connected to said input conductive surface for isolating said spurious signals from said detection circuit means.
19. The camera tube of claim 18 wherein said capacitive coupling is provided by the capacitance inherently formed by said input and output conductive surfaces.
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