Synonyms for Light pen:

• n.

  •
  • accelerator card,
  • auxiliary device,
  • back end,
  • AGP,
  • bridgeware,
  • bus,
  • accelerated graphics port,
  • base hardware,
  • ADC,
  • A drive.
  •electronic stylus (noun)
  • electronic stylus.

• Other synonyms:

  •Other relevant words:
  • light stylus,
  • absolute pointing device.

Homophones for Light pen:

• light upon, locust bean, light beam.