light pen in a sentence

Examples

1. The system used a light pen to draw on the screen of a 2250 Graphical Display Unit.
2. A light pen was provided as a pointing device, serving the function of the modern computer mouse.
3. This contains the horizontal color clock position when the light pen / light gun trigger is pressed.
4. See Lunar Lander for an example of a light pen in action on a vector graphics system.
5. Light pens were directly supported as well.
6. Ivan Sutherland used a light pen in his programs as did Jack Gilmore and others before him.
7. Light pens and guns cannot be used on fixed-pixel displays because they have no electron beam to detect.
8. Attorneys at the podium, or witnesses on the stand, can use light pens to " mark " exhibits.
9. Input was via a combination of light pen for pointing, and the PDP-1's front panel switches for commands.
10. In fact, all lightgun games for the XEGS could be played with the light pen and vice versa.