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Saturday, February 16, 2013

ကိုယ္ပိုင္ QR ဖတ္ဘားဂိုက္ေလးေတြလုပ္က်ရေအာင္

ကိုယ္ပိုင္ QR ဖတ္ဘားဂိုက္ေလးေတြလုပ္က်ရေအာင္!
ဖုန္းေတြႏွင့္ စကရင္ဖတ္လိုက္ရင္ သူတို႔သက္ဆိုင္တဲ့ ၀တ္လ္ဆိုဒ္ထဲကို စာရိုက္စရာမလိုဘဲအဆင္သင့္ေရာက္သြား တာကိုေျပာတာပါ၊ အခုဟာပိုအဆင့္ျမင့္တဲ့ကာလာဘားဂိုက္ေတြပါရတဲ့၀တ္လ္ဆိုဒ္ေလးျဖစ္တာေၾကာင့္ ေရးတင္ ေပးလိုက္ပါတယ္...ဘာေတြအက်ိဳးထူးေတြရရွိသလဲဆိုတာကို ဗီဒီယိုၾကည့္လိုက္ရင္သိရမွာပါ....

Make Your Own QR Codes

Make as many high resolution artwork quality QR Codes as you want for one low monthly subscription fee.

Once you have opened an account you will be able to generate QR Codes at sizes up to 3000 pixels across and at your choice of 72dpi, 150dpi or 300dpi in either raster (PNG, JPG or GIF) or vector (EPS, SVG or PDF) format.

Just the thing for graphic designers and others who need high quality QR Code artwork files for print design work.

Also includes history reporting, editable dynamic QR codes, and optional short URL or native URL.

Subscribers also get batch processing - upload a single data file and generate up to 500 QR Codes at a time.

Full subscriptions start from just $11.95 per month (lower monthly rates for longer periods) or you can set up a 24 hour trial* subscription for $3.95. (*Service and functionality limits may apply for trial accounts)

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WHAT'S A QR CODE?
A QR Code (it stands for "Quick Response") is a mobile phone readable barcode that's been big in Japan forever, broke into Europe a while back, and is now getting traction in USA.
In its simplest sense think "print based hypertext link" - simply encode a URL into the QR Code and then point a mobile phone (or other camera-enabled mobile) at it. If the device has had QR Code decoding software installed on it, it will fire up its browser and go straight to that URL.
But it doesn't stop there - a QR Code can also contain a phone number, an SMS message, V-Card data or just plain alphanumeric text, and the scanning device will respond by opening up the correct application to handle the encoded data appropriately courtesy of the FNC1 Application Identifiers that are embedded in the encoded data.
The technical specifications for a QR Code are set down in the ISO-18004 standard so they are the same all over the world, and the only significant variations from one QR code to another (apart from the data it contains) is the number of modules required to store the data. A Version 1 QR Code is a 21x21 array of data elements with the array increasing in size by 4 modules for each increase in version number. The largest standard QR Code is a Version 40 symbol that 177x177 modules in size and can hold up 4296 characters of alphanumeric data (theoretically) compared to 25 characters for a Version 1 QR Code.
While there is still a lot of scope for improvement, the resolution of average present-day camera-enabled portable devices is such that the size of the data modules (dots) on a QR Code of Version 5 or above (37x37) presents a real risk of incorrect decoding of the symbol by the device. When creating a QR Code intended for use with mobile phones it's best to stick to Version 4 or lower, and a QR Code symbol of at least 2cm (0.85inches) across. See our blog posts What Size Should A Printed QR Code Be? and QR Code Minimum Size.
To make things a bit more robust, the QR Code also contains its own error correction data, internal orientation calibration and self-alignment markers. In this way it doesn't matter whether the QR code is upside down or wrapped around a curved surface, the message will still get through.
The anatomy of a QR Code



And a few videos to explain QR Codes...









Ref:qrstuff

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