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LED Projectors by Mitsubishi, Samsung an
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thread starter

12/21/05 + AI

I posted a reply on the post link
But I thought it be appropriate to post it with a new title.

I have been keenly searching for Mitsubishi PocketProjector for the last six months and as most of us are perhaps aware that official release has also been postponed several times. From July to September, and now 19th Dec 2005. So I called up Mitsubishi and they regretted that it is still delayed.

Mitsubishi Taiwan Asia market is reporting 1Q 2006.
link

Samsung is also releasing its LED based projector called Pocket Imager (model SP-P300MK), due to be released next month (January 2006)
link
link

The Toshiba LED powered micro projector is out in France and it is to be released in UK around Christmas (or early New Year).
Find below the hyperlinks for detail perusal:
link
The images on this link are detailed however I believe the description in the article quoting 400 ANSI lumens is a mistake. Verify it with product release info from toshiba France website.
link

Those interested in checking out the projected images by Mitsubishi LED projector (model PK10 or PT10) and by Toshiba LED projector (model FF1) follow the links below:

More detail review and images with battery of Mitsubishi Pocketprojector at:
link

Click the last image in the gallery at the bottom of the page to see the projected image by Mitsubishi PK10
link

The projected image by Toshiba FF1 is shown in the penultimate image on the link below. The attached battery is also visible.
link

The important question is ANSI Lumen and LUX values. Samsung states 23 ANSI Lumens while Mitsubishi and Toshiba indicates 250 and 400 LUX respectively.

Using the formula described on the following hyperkink:
link

My calculations for producing a projected image of 70cm(W) by 50cm(H), approximately 83cm(33inches) diagonal view:

Mitsubishi probably has 102 ANSI Lumens (calculated) and 250 LUX(stated) compared to Samsung having 23 ANSI Lumens(stated) and 55.9LUX(calculated). Whereas Toshiba’s LED projector is rated 400 LUX (stated) and 165 ANSI Lumens(calculated). I could have miscalculated, so verify with the formula! Please note that resolution 800 X 600 is 4:3 ratio or (1.34) therefore I choose screen size 70cmX50cm, ratio (1.4).

All three projectors have SVGA (800X600)native resolution. Weight wise Mitsubishi is the lightest 450 gm (without battery) and Samsung is the heaviest 660gm(perhaps without batter). The Toshiba is 556gm (without battery)

In my assessment Toshiba LED Projector is perhaps the best of the three. I have ordered mine.

Replies

05/09/06 + AI

Video Review of Samsung SP-P300, demonstrating connection, performance and projection options.
link

05/18/06 + AI

cnet review on Toshiba FF1 projector
link

05/28/06 + AI

The cnet review now has a video presentation (on the above link)

One more review of Toshiba FF1 by Personal Computer World
link

edited: Jun 14 2006 + jo2k

TINY : New SONY LED projector :
[img=http://www.newlaunches.com/entry_images/0606/14/sony_1.jpg][/img]
[img=http://www.newlaunches.com/entry_images/0606/14/sony_2.jpg][/img]
[img=http://www.newlaunches.com/entry_images/0606/14/sony_3.jpg][/img]

HOLySMOKY i just realised that this is about the same size as my hiptop2 phone only 2x thicker and that's insane!!!!!!
Next thing u know they will be projecting images from that ballpen. lol

"... ...
Using RGB light emitting diodes (LEDs) as light sources Sony has developed the world's smallest LED projector. Measuring just 410cc it is equivalent to that of two business cards and shorter than a standard ball pen. Two major innovations were made to make the projector smaller. First, three transmissive LCDs serving as display devices and a prism for synthesizing light beams emitted from the three devices are directly coupled together to be a unitary component. Another innovation is that the distance between the LEDs and the display devices are reduced. The projector uses 0.62 inch 800 x 600 transmissive LCDs as display devices. A total of 14 LEDs are used, including four red, four blue and six green diodes. The brightness of the LED reaches 50 lm. The power consumptions required for the LED unit and the entire projector are 20 and 30 W, respectively. A wide color gamut of 120% NTSC can be achieved.

Sony has developed its proprietary screen that can reduce the reflection of external light. When an image is projected onto the new screen to the size of a 20 inch model in the external light with an illuminance of 200 lx, the screen can achieve a white luminance of 292 cd/m2, whereas the most pervasive type of screen can get 58 cd/m2.

Pricing and availability of this little wonder is not known yet.

link

07/09/06 + zzonbi

Pictures of the Samsung link
It costs 700Eur now.

06/16/10 + Microsoft

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08/19/10 + luckhu

Two major innovations were made to make the projector smaller. link
link | First, three transmissive LCDs serving as display devices and a prism for synthesizing light beams emitted from the three devices are directly coupled together to be a unitary component. Another innovation is that the distance between the LEDs and the display devices are reduced. The projector uses 0.62 inch 800 x 600 transmissive LCDs as display devices.http://www.edhardytime.com/

08/19/10 + luckhu

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