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HelicopterAerial Photography and Video › Shielding Head Mounted Display (HMD) glasses
09-14-2007 08:17 PM  10 years agoPost 1
FLAP

rrKey Veteran

Michigan

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Just got off the phone with an HMD vendor who told me that they had received a rash of send backs due to 'poor video' quality. A little research resulted in the cause being spurious signals being induced through the video cameras the customers were using (I assume they were referring to the little standalone cameras one can buy for use with DSLRs).

Has anyone one gone to the trouble to shield their cameras to prevent the problem mentioned? If so, could you share your technique? Would you build a little 'faraday cage' and ground to the frame or engine?

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09-15-2007 09:08 PM  10 years agoPost 2
wolphin

rrNovice

Texas, yall.

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Building a Faraday cage to eliminate interference is a great idea, however be sure to leave your transmitter (from RC to HMD) outside the assembly, as the signal would not penetrate that at all, obviously.

I am new to this, but is there a true ground when you are in the air? Puns aside, my guess is that there is much static electricity buildup onboard the airbourne craft due to friction, I imagine that static electricity could be used as a shield circuit for the cage.

My guess is that the interference came from the transmission of signal, not from the camera itself, rather than the camera picking up signals itself, as you said.

Oh, and if that vendor wants to send me one of the 'faulty' displays for testing, I would not be unappreciative B:^]>


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