light pen
electronic stylus

Unlike light pens, they are held at a distance from the screen.

The light pen became moderately popular during the early 1980s.

The computer had a wide selection of ports, including one for a light pen.

"Given the light pen, I don't think we should stay here a real long time."

"Maybe the light pen's power attracted whatever changed it into that. "

A light pen could be used with the Type 30 to pick points on the display.

He looked up as I was demonstrating the light pen.

I can't imagine using this light pen at a ball game or a wedding.

The light pen is automatically turned off at the conclusion of the 30-second period.

The 6845 had support for a light pen, an alternative to a computer mouse.