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Largest 7-seg LED displays?

Discussion in 'Electronic Basics' started by DaveC, Nov 30, 2003.

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  1. Rich Grise

    Rich Grise Guest

    Where do bus companies get those EM marquee things?

    Who makes Jumbotrons?

    How about those "You are going xx miles per hour" displays
    they sometimes put in lieu of a speed trap? They've got
    a pretty sizeable display, if you can find out how makes/
    sells them. Maybe check with your local cop shop.

    Good Luck!
  2. Sony. They are actually Braun tubes (CRTs) without deflection, IIRC.
    Some of the road-work signs are now huge LCDs with fluorescent
    backlighting (like 4' tubes rather than those wimpy CCFL lamps).

    Best regards,
    Spehro Pefhany
  3. Roger Gt

    Roger Gt Guest

    Sorry, knew they had built them, I also thought they had a few left! We
    bought 200 for one project and 26 for another, I heard they had 24 left....
    Two years back, SO?

    Roger Gt
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