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| Super-Orthikon m | |||
| Bildorthikon n; Image-Orthikon n; Superorthikon n; Zwischenbildorthikon n | |||
| Orthicon n (e.g. for air pollution monitoring) | |||
| Superorthikon n (sensitive scanning image tube used for live television and other applications where operation with minimum light is required); Zwischenbildorthikon n (sensitive scanning image tube used for live television and other applications where operation with minimum light is required) | |||
| image orthicon: 1 phrase in 1 subject |
| Optics branch of physics | 1 |