Television cameratubes; image converters and intensifiers; other photo-cathode tubes.
电视摄像管；变像管及图像增强管；其他光阴极管。
2
Image lag is one of the important characteristics of photoconductivity-type cameratubes with low-velocity electron beam.
惰性是慢电子束扫描光电导型摄象管的重要性能指标之一。
3
An all-electrostatic focusing and deflecting system characterized by simple lens system is introduced The new system is very useful in producing compact high-performance cameratubes.