The Spacepad

Researchers: Daniel J. Sandin, Dave Pape, Eric He, Fu Hu Liu, Greg Dawe, Hiroshi Hayakawa, Marek Czernuszenko, Michael Bogucki, Morteza Ghazisaedy, Ray Fang

Funding: NSF

The Spacepad magnetic tracking system used with the ImmersaDesk is a plug-in PC ISA bus system and has the following components:
  • Antenna, which consists of three wire loops mounted on plywood and configured on a flat plane that is inclined at 35 degrees, and held in place above the I-Desk. During shipping the antenna piece is removed and flipped over the screen to protect it.
  • The transmitter and the receivers are integrated into the PC board.
  • 2 receiving antennae - one attached to the glasses and one to the wand (if more receiving antennae are used, more receiver cards must be added to the PC).
  • The Spacepad PC card communicates with the SGI.


Date: September 1, 1991 - Unknown

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