Image dissector

（重定向自Image dissector tube）

An image dissector, also called a dissector tube, is a video camera tube in which photocathode emissions create an "electron image" which is then scanned to produce an electrical signal representing the visual image. The term may apply specifically to a dissector tube employing magnetic fields to keep the electron image in focus, and an electron multiplier to scan the electrons. Dissectors were used only briefly in television systems before being replaced by the much more sensitive iconoscope during the 1930s.

单词	Image dissector tube
释义	Image dissector tube 英语百科 Image dissector （重定向自Image dissector tube） An image dissector, also called a dissector tube, is a video camera tube in which photocathode emissions create an "electron image" which is then scanned to produce an electrical signal representing the visual image. The term may apply specifically to a dissector tube employing magnetic fields to keep the electron image in focus, and an electron multiplier to scan the electrons. Dissectors were used only briefly in television systems before being replaced by the much more sensitive iconoscope during the 1930s.
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