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Matt

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Posted on Wednesday, June 22, 2005 - 1:50 am:   Edit PostDelete PostView Post/Check IPPrint Post

Can anyone recommend the maximum number of wireless glasses that can operate off of a single PC transmitter source? Is it possible to split off 2 transmitters from a single dongle to double the amount of glasses that can be used for viewing?
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M.H.

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Posted on Wednesday, June 22, 2005 - 12:59 pm:   Edit PostDelete PostView Post/Check IPPrint Post

The nuber is unlimited. It is possible to connect 2 transimters to get beter signal covering bigger area, but some combinations do not work (e.g. NuVision and e-dimansional box). The reason is low output power for the transmiters ...
My company GALI-3D is just now putting in production a spliter box with following futures:
- eye reverse switch
- output for 2 emmiters
- LED indicating power and stereo signal presenece
- boosted power for the transimters on the output
- possiblity to combain 3 of such boxes and connect 4 tramsiters
- price will be about $50

The device will be availabe on the market during 2-4 weeks.
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Matt

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Posted on Wednesday, June 22, 2005 - 2:49 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Definitely keep me posted. This sounds like it will be a great and very useful product. Unlimited number you say? If so I'm sold.
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M.H.

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Posted on Wednesday, June 22, 2005 - 4:33 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Unlimited = theoreticaly. In praxis each user must be able to see the IR emmiter. With an emmiter placed on ceiling, it is not a problem. 2 emmiters can cover the area even beter.
Normal emmiters (e-dimesnional, NuVsision) has usually 3m range - so they can cover realtively sufficent area. One warning - if you want to use eDimensional glasses, order the old CRT only model. The new LCD compatible one has reduced sensitivity to 1 m only (the reson is to avoid interference with IR light emmited from LCD monitors) ...
Another category are high-range emmiters.
Even signal reflections from room walls are enought to drive the glasses. In this case the nuber of galsses is realy unlimited ...
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clyde

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Posted on Thursday, June 23, 2005 - 5:44 am:   Edit PostDelete PostView Post/Check IPPrint Post

MH,
I was reading documentation on crystal eyes and they were saying there that you shouldnt mount IR emitters at an angle >45 degrees, is this true for e-dim ones also?
also looking foward to the IR extenders your company is developing.
Regards
Clyde
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M.H.

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Posted on Thursday, June 23, 2005 - 9:07 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Clyde: yes, it is true. The emmitres are directional - the IR LED emits the light only in a 45 deg cone or so. eDimesnional emmitres works similar - if you are not in the cone tha glaseses do not have the signal. This is the main reason why 2 emmiters are vely useful to cover a bigger area. Good adjutment of the emmiters position according expected user position is always esentional.
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clyde

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Posted on Sunday, June 26, 2005 - 6:48 am:   Edit PostDelete PostView Post/Check IPPrint Post

MH, Do you have any info on the high power emitters from e-dimensional? and their price?
I know the obvious thing is to check with them, unfortunately I havent got a reply, and there is no mention of the emitter on their site.

Any help will b great.
Thanks
Clyde
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M.H.

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Posted on Sunday, June 26, 2005 - 7:11 am:   Edit PostDelete PostView Post/Check IPPrint Post

Clyde:
The price is $400. The technical parameters are similrt to Stereographics ELR2 (http://www.stereographics.com/support/emitters/index.html). I did not tested this emmiter in praxis, but I can request detailed information for you if you are realy interested.
Btw. we work on an universal high-range emmitor working with any type of shuterglasses as well. It will be available during 1-2 months, just now it is in a prototype testing stage. The price will be probaly interesting for everybody.
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Clyde

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Posted on Sunday, June 26, 2005 - 8:59 am:   Edit PostDelete PostView Post/Check IPPrint Post

Great ! I'll wait for your product then.
Thanks

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