- transmission frequency of the television picture.
- any of the frequencies present in the output of a television camera, from almost 0 to over 4 megahertz.
- any frequency applied to the receiver's picture tube in order to display the picture.
- the frequency of a signal conveying the image and synchronizing pulses in a television broadcasting system. It lies in the range from about 50 hertz to 8 megahertz
