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Adventures in Engineering
The wanderings of a modern ronin.

Ben Cantrick
  Date: 2003-12-08 11:55
  Subject:   [Fark] Head-mounted displays: Not just for fighter pilots any more.

Motion Research, a Seattle company former race car driver Dominic Dobson founded in 1993, said it will begin selling an inexpensive information display system next spring that attaches to a motorcycle helmet.

The SportVue head-mounted display will allow riders to see speed, revolutions per minute and gear position without taking their eyes off the road. The system gathers speed information from a global-positioning satellite receiver attached to the rear of the helmet.

The design, based on a patent co-developed by Tom Furness, one of the pioneers of head- mounted display technology, uses a lens and mirror and backlit liquid crystal display to give the viewer the illusion that the information displayed in the periphery of one eye is projected in the distance.

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Ben Cantrick
  User: mackys
  Date: 2003-12-08 20:08 (UTC)
  Subject:   (Engineering Nerd Mode Engaged)
This thing doesn't need an expensive GPS chipset built into it to accomplish what it does. The RPM, speed and gear position data are readily available (in digital format, even) from the instrument cluster of any modern sportbike. A simple radio transmitter in the bike's instrument cluster and a receiver in the helmet mounted projector would do it. Or if you're old fashioned and/or the helmet mounted unit takes a lot of power, you can just be boring as hell and run a wire down the rider's back and have it plug in beside the saddle.

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May 2015