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Direct Diode Green Lasers (Part 2, Chromaticity)

  • Karl Guttag
  • December 26, 2011
  • 15 Comments

In my last post on Direct Green Lasers (DGL) I wrote about electrical power to lumens conversion.  In this post, I am going to talk about the color range/space and…

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“Soothsayer” Part 3 – Where Does the LBS Power Go?

  • Karl Guttag
  • December 22, 2011
  • 7 Comments

In my last blog I wrote about the power measurements on the ShowWX and a number of people asking “where did the all the ShowWX’s power go?” Microvision wants you…

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“False Soothsayer?” Part 2

  • Karl Guttag
  • December 20, 2011
  • 10 Comments

ShowWX consumed 5.6 Watts Microvision in their blog and their recent 8-K statement wrote “Lest you be led astray by false soothsayers.”    I would agree not to be led…

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Microvision’s “Soothsayer(?)” for their “Number One Question”

  • Karl Guttag
  • December 19, 2011
  • 12 Comments

My, the power of the blogosphere!  I just started this blog two weeks ago and Microvision has all the appearances of making a veiled response to my blog and having…

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Pico Projector “Use Model” (Part 3 – Raison d’être)

  • Karl Guttag
  • December 19, 2011
  • 3 Comments

For this installment on the pico projector “use mode” I would like to step back and talk about the original reason for pico projectors in the first place,  their Raison…

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Diode Green Lasers (Part 1, Wavelength and Efficiency)

  • Karl Guttag
  • December 16, 2011
  • 4 Comments

Today’s blog is the first in a series about green lasers, and in particular about how wavelength, power, efficiency, and lumens relate to each other.  Also, I’m also going to…

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Meet with Karl Guttag at CES 2012

  • Karl Guttag
  • December 13, 2011
  • 1 Comment

Hopefully you have been enjoying the content of this blog which as been covering pico projector technology.  I promise there is much more to come, but today I want to…

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Why I started the blog and other things

  • Karl Guttag
  • December 11, 2011

I’m getting asked a lot why I started the KGonTech blog. The reasons are quite simple: 1. I wanted to talk write about the technology I have being involved with…

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Being Useful (Part 2 – Ambient Light)

  • Karl Guttag
  • December 9, 2011
  • 4 Comments

For this second in this series on the Pico Projector “use model” I want to discuss the issues with ambient light.  A front projector, like most pico projectors today, have…

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About the blog and planned series on laser projection

  • Karl Guttag
  • December 7, 2011
  • 14 Comments

Before I get back to finishing the story about how pico projectors can be “useful,” I wanted to say a few  things about the KGonTech blog and address some comments…

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First, Be Useful (Home computers and Pico Projectors)

  • Karl Guttag
  • December 6, 2011
  • 2 Comments

For today’s blog I am going to be setting up an analogy for what I see going on with pico projectors today.  Those that want to skip the history lesson…

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Welcome to Karl Guttag on Technology

  • Karl Guttag
  • December 5, 2011
  • 60 Comments

Welcome to Karl Guttag on Technology (KGonTech for short), a blog about technology with an emphasis on technology for image generation (including microdisplays, pico projectors, and video/image processors) and human-computer…

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Categories

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  • Laser Projection (3)
  • LCOS (38)
  • Micro-LED (20)
  • OLED (20)
  • Pico Projection (89)
  • Startups (55)
  • Technology History (32)
  • Uncategorized (5)
  • Use Model (71)
  • Website (1)

Recent Posts

  • Attending AWE 2022 and NYAR “Debate” Video May 27, 2022
  • “The Great AR Display Debate” with Jeri Ellsworth on April 11th and Back to the Blog April 7, 2022
  • Speaking at SID LA Chapter One Day Symposium February 17th, 2022 February 15, 2022
  • US Mortgage Rates vs. Inflation (off topic) February 6, 2022
  • Microsoft Hololens Reportedly in Trouble, Another “One and Done” for Microvision? February 4, 2022
  • Magic Leap 2 at SPIE AR/VR/MR 2022 January 31, 2022

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