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  • Augmented Reality and HMD, Pico Projection

AR/MR Optics for Combining Light for a See-Through Display (Part 1)

In general, people find the combining of an image with the real world somewhat magical; we see this with heads up displays (HUDs) as well as Augmented/Mixed Reality (AR/MR) headsets.   Unlike Starwars R2D2 projection into thin air which was…

  • Karl Guttag
  • October 21, 2016
  • 30 Comments
  • Augmented Reality and HMD, Pico Projection

Near Eye AR/VR and HUD Metrics For Resolution, FOV, Brightness, and Eyebox/Pupil

I’m planning on following up on my earlier articles about AR/VR Head Mounted Displays (HMD) that also relate to Heads Up Displays (HUD) with some more articles, but first I would like to get some basic technical concepts out of…

  • Karl Guttag
  • October 13, 2016
  • 28 Comments
  • Pico Projection, Startups

Wrist Projector Scams – Ritot, Cicret, the new eyeHand

Wrist Projectors are the crowdfund scams that keeps on giving with new ones cropping up every 6 months to a year. When I say scam, I mean that there is zero chance that they will ever deliver anything even remotely…

  • Karl Guttag
  • October 5, 2016
  • 15 Comments
  • Pico Projection

Laser Beam Scanning Versus Laser-LCOS Resolution Comparison

I apologize for being away for so long.  The pictures above and below were taken over a year ago and I meant to format and publish them back then but some other business and life events got in the way. The…

  • Karl Guttag
  • September 22, 2016
  • 18 Comments
  • Pico Projection

Celluon Laser Beam Scanning Power Consumption (Over 6 Watts at 32 Lumens)

On the left are a series of power measurements I made on the Celluon PicoPro projector with an optical engine designed by Sony using a Microvision scanning mirror.  The power was calculated based on the voltage and current from current coming from…

  • Karl Guttag
  • July 27, 2015
  • 19 Comments
  • Pico Projection

Celluon/Sony/Microvision Optical Path

Today I’m going to give a bit of a guided tour through the Celluon optical path.  This optical engine was developed by Sony probably based on Microvision’s earlier work and using Microvision’s scanning mirror.   I’m going to give a “tour” of…

  • Karl Guttag
  • July 13, 2015
  • 30 Comments
  • Pico Projection

Lenovo’s STMicro Based Prototype Laser Projector (part 1)

At Lenovo at their Tech World on May 27th 2015 showed a Laser Beam Scanning (LBS) projector integrated into a cell phone prototype (to be clear, a prototype and not a product).   White there has been no announcement of the maker of the…

  • Karl Guttag
  • June 21, 2015
  • 24 Comments
  • Pico Projection

IRIS HUD on Indiegogo Appears to be Repackaged Pioneer HUD(s)

The startup IRIS has started and Indiegogo presale campaign for not just one (a major challenge for a new company)  but two different HUD designs, one “laser” and one DLP based.    Their video and “story” talk about how they designed…

  • Karl Guttag
  • June 16, 2015
  • 6 Comments
  • Pico Projection

Celluon LBS Analysis Part 2B – “Never In-Focus Technology” Revisit

I received concerns that the chroma aberrations (color fringes) seen in the photos in Part 2B were caused by poor alignment of the lasers.   I had aligned the lasers per Celluon’s instructions before running the test but I decided…

  • Karl Guttag
  • June 6, 2015
  • 27 Comments
  • Pico Projection

Celluon Laser Beam Steering Analysis Part 2 – “Never In-Focus Technology”

June 6th 2015 – Note, I am in the process of updating this analysis with new photos.  The results are not dramatically different but I was able to improve the horizontal resolution slightly and now have some better pictures.  …

  • Karl Guttag
  • June 2, 2015
  • 23 Comments
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