image iconoscope
Television (now historical )
noun
A kind of television camera tube in which an image causes a photoemissive surface to emit a corresponding flow of electrons which is then focused on to a photoemissive mosaic, the video signal being obtained from the variation in current as the mosaic is scanned with an electron beam.
Origin
1930s; earliest use found in Proceedings of the Institute of Radio Engineers.
- grappling iron
- graptolite
- grapy
- GRAS
- Grasmere
- visual acuity
- visual agnosia
- visual aid
- visual angle
- visual art
- visual arts
- visual binary
- visual cortex
- visual display unit
- visual field
- visualisation
- visualise
- visuality
- visualizable
- visualization
- visualize
- visualizer
- visually
- visually impaired
- visual purple