Symbol 5049 from IEC 60417 - Title/Meaning: Television; video; screen Function/description: To identify the controls and terminals specifically meant for (mainly monochrome) video signals, also used as basic symbol for screen and screen image.
Additional information: 
Published in: First edition, 1973
Own work using: iso.org/obp/graphics/grs/f8ef0c75-3c1c-41a3-af89-9667a2e9005c 200.png
Vectorization:  Mrmw