| 释义 |
Definition of image orthicon in English: image orthiconnoun Television historical A kind of television camera tube in which a flow of electrons, produced as in an image tube, strikes a thin glass sheet and forms a pattern of positive charges corresponding to the original image, the video signal being derived by an electron beam which scans the other side of the sheet.
Origin 1940s; earliest use found in Daily Mail (Hagerstown, Maryland). Definition of image orthicon in US English: image orthiconnoun Television historical A kind of television camera tube in which a flow of electrons, produced as in an image tube, strikes a thin glass sheet and forms a pattern of positive charges corresponding to the original image, the video signal being derived by an electron beam which scans the other side of the sheet.
Origin 1940s; earliest use found in Daily Mail (Hagerstown, Maryland). |