Head Mounted Displays, How-To; Teardowns; Tutorials
Here’s a much more detailed tear down of the Virtual Research VR-4 Head Mounted Display, done by one of the engineers at VR sometime in 1994. He shows us how to remove the back light inverter and the main PCB. ‘Scuse the vintage VHS EP mode recording. I...
Head Mounted Displays, How-To; Teardowns; Tutorials
Professional wide field of view Virtual Reality optics for less than the price of a couple of double lattes! A while back I demonstrated a design for Leep On The Cheap, a proof of concept for wide field of view optics on 3″ to 4″ display panels. Trouble...
Head Mounted Displays, How-To; Teardowns; Tutorials
There’s been an enormous resurgence of DIY HMDs in the VR hacker community recently, some quite impressive. Understanding how the eye works is the key to these inventions. I found a really instructive 70 year old nugget which gives HMD designers the real...
Head Mounted Displays, How-To; Teardowns; Tutorials
From 1993: “Now you can go to Radio Shack, buy what you need, and build it yourself.” Robert Suding and the Virtual Reality Special Report provide specific instructions for building a stereoscopic HMD for $435. Interestingly the optics and prisms are quite...
Head Mounted Displays, How-To; Teardowns; Tutorials, Stereoscopic 3D
If you look yourself in the eyes, you’ll start to realize that your eyes and your head are different than anyone else’s. The spacing between your eyes, known as the interpupilary distance is about 65mm, but this varies from 50mm to about 75mm, depending on...
Head Mounted Displays, How-To; Teardowns; Tutorials, Stereoscopic 3D, VR Companies
1995 brought us the V6 head mounted display from Virtual Research, the successor to the excellent design of the VR-4. The V6 doubled the overall resolution while retaining the great optics, field of view, comfort, and ease of use originally found in the VR-4. In...
Head Mounted Displays, How-To; Teardowns; Tutorials
Jeremy Oliver advises how to purchase LCD displays for your next homebrew VR helmet. (Hint: take all your optics to Montgomery Wards and try every TV and camcorder on the shelf!) Jeremy’s less than successful experience with Radio Shack suggests a big thumbs...
How-To; Teardowns; Tutorials
There are tons of stereoscopic DVDs and VHS tapes on the market encoded as field interlaced stereo. Also, one of the easiest ways to make 3D video is with a camcorder (NTSC or PAL) and a NuView 3D adaptor (often selling on Ebay for less than $100.) For those of you...
How-To; Teardowns; Tutorials, Position Trackers
Not long ago I needed a whole bunch of head trackers for just one week. Not wanting to invest tens of thousands of dollars in high-end tracking systems, I came up with an easy DIY head tracking system constructed from the guts of a Gyration Air Mouse. The Air Mouse...
How-To; Teardowns; Tutorials, Position Trackers
Six degree of freedom (x, y, z, azimuth, elevation, and roll) are hard and expensive to come by these days. Stuff like the Wii remote, iPhone, and Droid only track rotations, not fine position (yes the GPS will find you within +- 10 meters, but I’m talking about...