| NOUN | artifact | orthicon, image orthicon | a now obsolete picture pickup tube in a television camera |
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| Meaning | A now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons. | |
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| Synonym | image orthicon | |
| Broader | television-camera tube, television pickup tube | A tube that rapidly scans an optical image and converts it into electronic signals |
| Catalan | orticó | |
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