Comments on: How Do Vending Machines Tell The Difference In Between Quarters From Tokens Or Other “fake” Coins?

By: Patrick M

Patrick M — Sat, 04 Jul 2009 04:39:22 +0000

years ago weight was the sole determinating factor. but now some machines use the same technology that metal detectors use. The can determine size weight and material used thereby verifying the type of coin and its value. Pretty cool to see them make the machine to be honest

By: ?

Sat, 04 Jul 2009 04:39:22 +0000

some machines use a slide which seperates the coins as the y proceed to their assigned destination.
other machines use a weight-size mechanisism to seperate the coins.

By: smart boratt brother

smart boratt brother — Sat, 04 Jul 2009 04:39:22 +0000

There’s a bunch of little tiny people inside that make sure what the coins are and then make change and dispense the desired products.

By: T square

T square — Sat, 04 Jul 2009 04:39:22 +0000

They are sensitive to the weight of the coin and the size.

By: adepame

adepame — Sat, 04 Jul 2009 04:39:22 +0000

It measures the size, weight, and counts the grooves on the perimeter of the coin.