vertical sync pulse



  • The pulse which synchronizes the vertical component of line-by-line scanning of a TV receiver with that of a TV transmitter, and triggers vertical retracing and vertical blanking. It is an abbreviation of vertical synchronization pulse, or vertical synchronizing pulse. Also called vertical pulse, vertical synchronization signal, vertical synchronizing signal, or vertical sync signal.
  • synonymvertical sync signal
  • synonymvertical synchronization pulse
  • synonymvertical synchronization signal
  • synonymvertical synchronizing pulse
  • synonymvertical synchronizing signal


  • noun a signal which indicates the end of the last trace at the bottom of the display