VisorCentral.com - Opened Edge?!

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VisorCentral.com (http://discussion.visorcentral.com/vcforum/index.php)
- Visor Edge (http://discussion.visorcentral.com/vcforum/forumdisplay.php?forumid=25)
-- Opened Edge?! (http://discussion.visorcentral.com/vcforum/showthread.php?threadid=14115)

Posted by mcmach1 on 04-17-2001 12:03 AM:

Anyone had a look inside, I looked at mine, if you look on the inside of the back cover you can see some disc shapes in the metal, when you look on the board there are some shiny contacts that would be in contact with the disc shapes when the unit cover is back on, what are they?

Posted by mcmach1 on 04-17-2001 08:39 PM:

come on! you guys know everything! what are they?!

Posted by MPM on 04-17-2001 08:43 PM:

Shielding

quote:
Originally posted by mcmach1
Anyone had a look inside, I looked at mine, if you look on the inside of the back cover you can see some disc shapes in the metal, when you look on the board there are some shiny contacts that would be in contact with the disc shapes when the unit cover is back on, what are they?

My guess is that they are for shielding purposes. I have seen this same constuction in many consumer electronic devices with metal cases. The disk shapes you describe are likely cutouts in an insulating layer on the inside of the metal case, or they could be raised areas. The spring contacts then make contact with the case in those areas, providing a ground connection between the case and the electronics board.

Posted by mcmach1 on 04-17-2001 10:35 PM:

cool thanks for that reply was starting to think that way, but then the whole thing still builds up static and resets my comp! Baaaaaaaaaaaaaaa!

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