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Barcode reader application on N95??
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20-02-2008 02:30PM#1
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I couldn't help but notice the other evening that Chorus supply QR codes on their bills now as well. Have to get myself a translator to see what it saysjesus_thats_gre wrote: »I think this sorta crap is popular in Japan.. Taking a pic of the barcode from an advert in a magazine or poster with the phone opens up a weblink or something like that..
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The QR code is a type of 2D code as opposed to the standard barcode which is 1D. 2D codes are free and no license required to use them they are also much more robust as error correction can be built into them so that even if the code is up to 40% damaged you can still obrain a correct read.
They are very common in aircraft and automotive due to the harshness of the envrionment and the life of the product. 2D codes can store considerably more information than a similar sized 1D.
I am guessing the phones are reading them as 2D readers are camera based systems running an algorithim on the light an ddark patterns. 1D readers are much cheaper and usually a laser system - like a checkout counter.
Virtually every electronics component is ID marked in production for traceability at this stage especially if it is high value. All medical products are also traced - just have a look at many of the over the counter medications.
Anyway - the code below says = "welcome to www.boards.ie - now ye're talkin'" and this would be a max size of 10mm x 10mm possibly readable down to a size of 4x4
And Yes - I know I am sad but there you go0 -
martin1016 wrote: »The QR code is a type of 2D code as opposed to the standard barcode which is 1D. 2D codes are free and no license required to use them they are also much more robust as error correction can be built into them so that even if the code is up to 40% damaged you can still obrain a correct read.
They are very common in aircraft and automotive due to the harshness of the envrionment and the life of the product. 2D codes can store considerably more information than a similar sized 1D.
I am guessing the phones are reading them as 2D readers are camera based systems running an algorithim on the light an ddark patterns. 1D readers are much cheaper and usually a laser system - like a checkout counter.
Virtually every electronics component is ID marked in production for traceability at this stage especially if it is high value. All medical products are also traced - just have a look at many of the over the counter medications.
Anyway - the code below says = "welcome to www.boards.ie - now ye're talkin'" and this would be a max size of 10mm x 10mm possibly readable down to a size of 4x4
And Yes - I know I am sad but there you go
it sure does!0 -
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