Video camera tube

Farnsworth image dissector tube from 1931

The video camera tube was a type of cathode ray tube used to capture the television image prior to the introduction of charge-coupled devices (CCDs) in the 1980s. Several different types of tubes were in use from the early 1930s to the 1980s.

In these tubes, the cathode ray was scanned across an image of the scene to be broadcast. The resultant current was dependent on the brightness of the image on the target. The size of the striking ray was tiny compared to the size of the target, allowing 483 horizontal scan lines per image in the NTSC format, or 576 lines in PAL.

单词	trinicon
释义	trinicon 英汉-汉英词典 n. 相位分离式单管彩色光导摄像管词组 \| 习惯用语您要查找的是不是： contrition n. 悔悟；[宗]痛悔 truncheon n. 警棍 intrinsic adj. 固有的, 内在的, 本质的 histrionic adj. 做作的;过分戏剧化的;不自然的表演的,戏剧的 constrict vt. 压缩, 压紧, 使收缩网络短语: trinicon 相位分离式单管彩色光导摄象管 trinicon tube 单枪三束摄像管英语百科 Video camera tube The video camera tube was a type of cathode ray tube used to capture the television image prior to the introduction of charge-coupled devices (CCDs) in the 1980s. Several different types of tubes were in use from the early 1930s to the 1980s. In these tubes, the cathode ray was scanned across an image of the scene to be broadcast. The resultant current was dependent on the brightness of the image on the target. The size of the striking ray was tiny compared to the size of the target, allowing 483 horizontal scan lines per image in the NTSC format, or 576 lines in PAL.
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trinicon

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网络短语:

Video camera tube