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QR Code, Quick Response Code

Description of QR Code, Quick Response Code

QR Code, Quick Response Code The QR code is a modern square 2D code. The marks in three of the four corners of the matrix provide the orientation. The code is well known by the mobile tagging for cell phones.

Which of the numerous types should I use to create a QR Code?
If you have no special wishes, simply choose the type QR Code. It creates a the smallest QR Code that is possible.

If you want to work with a fixed error correction, please select one of the following 4 types:
  • QR Code ECC LEVEL L : 7% of the data can be restored.
  • QR Code ECC LEVEL M : 15% of the data can be restored.
  • QR Code ECC LEVEL Q : 25% of the data can be restored.
  • QR Code ECC LEVEL H : 30% of the data can be restored.
These 4 types use fixed error correction and create the smallest possible code depending on the data to encode.

Alternatively, you can specify the symbol size. Select one of the types with fixed-size for this purpose, e.g. QR Code 45x45. The error correction is selected automatically depending on the amount of data as good as possible.

ActiveBarcode offers the following options/types for the QR Code:


value long Code Name
113 QR Code CODEQRCODE
114 QR Code ECC Level L CODEQRCODEECCLEVELL
115 QR Code ECC Level M CODEQRCODEECCLEVELM
116 QR Code ECC Level Q CODEQRCODEECCLEVELQ
117 QR Code ECC Level H CODEQRCODEECCLEVELH
118 QR Code 21x21 CODEQRCODE21X21
119 QR Code 25x25 CODEQRCODE25X25
120 QR Code 29x29 CODEQRCODE29X29
121 QR Code 33x33 CODEQRCODE33X33
122 QR Code 37x37 CODEQRCODE37X37
123 QR Code 41x41 CODEQRCODE41X41
124 QR Code 45x45 CODEQRCODE45X45
125 QR Code 49x49 CODEQRCODE49X49
126 QR Code 53x53 CODEQRCODE53X53
127 QR Code 57x57 CODEQRCODE57X57
128 QR Code 61x61 CODEQRCODE61X61
129 QR Code 65x65 CODEQRCODE65X65
130 QR Code 69x69 CODEQRCODE69X69
131 QR Code 73x73 CODEQRCODE73X73
132 QR Code 77x77 CODEQRCODE77X77
133 QR Code 81x81 CODEQRCODE81X81
134 QR Code 85x85 CODEQRCODE85X85
135 QR Code 89x89 CODEQRCODE89X89
136 QR Code 93x93 CODEQRCODE93X93
137 QR Code 97x97 CODEQRCODE97X97
138 QR Code 101x101 CODEQRCODE101X101
139 QR Code 105x105 CODEQRCODE105X105
140 QR Code 109x109 CODEQRCODE109X109
141 QR Code 113x113 CODEQRCODE113X113
142 QR Code 117x117 CODEQRCODE117X117
143 QR Code 121x121 CODEQRCODE121X121
144 QR Code 125x125 CODEQRCODE125X125
145 QR Code 129x129 CODEQRCODE129X129
146 QR Code 133x133 CODEQRCODE133X133
147 QR Code 137x137 CODEQRCODE137X137
148 QR Code 141x141 CODEQRCODE141X141
149 QR Code 145x145 CODEQRCODE145X145
150 QR Code 149x149 CODEQRCODE149X149
151 QR Code 153x153 CODEQRCODE153X153
152 QR Code 157x157 CODEQRCODE157X157
153 QR Code 161x161 CODEQRCODE161X161
154 QR Code 165x165 CODEQRCODE165X165
155 QR Code 169x169 CODEQRCODE169X169
156 QR Code 173x173 CODEQRCODE173X173
157 QR Code 177x177 CODEQRCODE177X177


More information about this can be found at Wikipedia:
http://en.wikipedia.org/wiki/QR_code

QR Code is registered trademark of DENSO WAVE INCORPORATED

 

Technical data

Valid characters: ASCII 1-255
Length: variable (no fixed length)
Check digit: Calculated according to Reed-Solomon-Error correction
ActiveBarcode calculates the check digit for you automatically
ActiveBarcode Type#: QR Code - #113 - CODEQRCODE
QR Code ECC LEVEL L - #114 - CODEQRCODEECCLEVELL
QR Code ECC LEVEL M - #115 - CODEQRCODEECCLEVELM
QR Code ECC LEVEL Q - #116 - CODEQRCODEECCLEVELQ
QR Code ECC LEVEL H - #117 - CODEQRCODEECCLEVELH
QR Code <Symbol size>- #118 to #157 - CODEQRCODE<Symbol size>
Info: This barcode types has no human readable text based on the specification. The ShowText property has no effect, when using one of this codes.


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Copyright
Frank HornActiveBarcode Generator App
Web design
Documentation
Copyright Frank Horn
&
Lars SchenkActiveBarcode Object
Web- & server component
Command line
Copyright Lars Schenk

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