2D code is not only QR Code, to see what you have seen ?

2D bar code( 2-dimensional bar code ) hoʻopaʻa i ka ʻike hōʻailona ʻikepili me ka hoʻohana ʻana i nā kiʻi ʻeleʻele a me ke keʻokeʻo i puʻunaue ʻia ma kahi mokulele (ʻaoʻao ʻelua-dimensional) e like me kekahi mau lula ma kahi geometry i hāʻawi ʻia.Ma ka hōʻuluʻulu code, ua hoʻohana akamai ʻia nā manaʻo o nā kahawai bit '0' a me '1', ka mea i hoʻokumu i ke kumu loiloi kūloko o ke kamepiula.Hoʻohana ʻia kekahi mau hiʻohiʻona geometric e pili ana i ka binary no ka hōʻike ʻana i ka ʻike helu o ka kikokikona, a ua hoʻoili ʻia ka ʻike i ka heluhelu ʻakomi o ka mea hoʻokomo kiʻi a i ʻole ka mea nānā kiʻi kiʻi.Loaʻa iā ia kekahi mau hiʻohiʻona maʻamau o ka ʻenehana bar code: aia kēlā me kēia code i kāna ʻano kikoʻī kikoʻī.He laulā ko kēlā me kēia ʻano.Loaʻa iā ia kahi hana hōʻoia.I ka manawa like, loaʻa iā ia ka hana o ka ʻike maʻalahi o nā lālani like ʻole o ka ʻike a me ka hoʻoili ʻana i nā kiʻi hoʻololi rotation.

ʻO ke code 2D kahi hōʻano helu bar code ʻoi aʻe ma mua o 1d code.Hiki i ke code 1d ke hōʻike i ka ʻike ma ka ʻaoʻao hoʻokahi (ʻo ka ʻaoʻao ākea maʻamau), ʻoiai hiki i ka code 2d ke mālama i ka ʻike ma nā ʻaoʻao ʻelua a me ke kū pololei.Hiki i ka 1d code ke haku i nā helu a me nā leka, ʻoiai ʻo 2d code hiki ke mālama i ka ʻike e like me nā huaʻōlelo Kina, nā helu a me nā kiʻi, no laila ʻoi aku ka laulā o ke kahua noi o 2d code.

Wahi a ke kumu o ke code 2d, hiki ke hoʻokaʻawale ʻia nā code ʻelua-dimensional i ʻelua mau ʻāpana: matrix 2d code a stacked / row 2d code.

Matrix 2d code Matrix 2d code, i ʻike ʻia ʻo chessboard 2d code, ua hoʻopaʻa ʻia i loko o kahi ākea e nā māhele like ʻole o nā pika ʻeleʻele a keʻokeʻo i ka matrix.Ma ke kūlana o ka mea e pili ana i ka matrix, ua hōʻike ʻia ka binary '1' e ke ʻano o nā kiko (nā kiko huinaha, nā kiko pōʻai a i ʻole nā ʻano ʻē aʻe), a ʻaʻole i hōʻike ʻia ka binary ' 0 ' e ke ʻano o nā kiko.ʻO ka hoʻololi ʻana a me ka hui ʻana o nā helu e hoʻoholo i ke ʻano i hōʻike ʻia e ka matrix 2d barcode.ʻO Matrix 2d bar code he ʻano hou o ka ʻike ʻana i ka hōʻailona kiʻi maʻalahi a me ka ʻōnaehana code code e pili ana i ka ʻenehana hoʻoili kiʻi kamepiula a me ka loina coding hui.ʻO ka helu helu matrix 2d barcodes he QR Code, Data Matrix, MaxiCode, Han Xin Code, Grid Matrix, etc.

QR Code

ʻO QR Code ʻo ia ke code pane wikiwiki wikiwiki, ʻike ʻia ʻo Denso QR Code.He matrix 2d bar code i hoʻopaʻa ʻia e nā hui honua, i hoʻomohala mua ʻia e Denso, Iapana, i Kepakemapa 1994. Ua kapa ʻia ka maʻamau o Kina i ke code matrix pane wikiwiki.Ma waho aʻe o nā hiʻohiʻona o ka 1d bar code, loaʻa iā ia nā pōmaikaʻi o ka hiki ke ʻike nui, hilinaʻi kiʻekiʻe, kahi wahi liʻiliʻi, ka hoʻomaʻamaʻa maikaʻi ʻana o nā ʻike kikokikona like ʻole, kākoʻo i ka 360 ° arbitrary direction code heluhelu, kekahi hiki ke hoʻoponopono hewa, a me ka hilinaʻi ikaika. a me ka hoʻopunipuni.Kākoʻo i nā huaʻōlelo ASCII a me nā huaʻōlelo ASCII ākea.

ʻO Micro QR kahi ʻano coding 2d hou i manaʻo ʻia ma ISO: 2006 palapala, e like me QR.Eia nō naʻe, ke hoʻohālikelike ʻia me ka QR 2d code, ʻo Micro QR nā hiʻohiʻona penei: hoʻokahi wale nō hōʻailona hulina e pono ai, a ʻoi aku ka liʻiliʻi o ka leo.

ʻIkepili Matrix

Ua hoʻokumu ʻia ka Data Matrix, i kapa ʻia ʻo Data code, e International Data Matrix (ID Matrix) i ka makahiki 1989. Hiki ke hoʻokaʻawale ʻia ka Data Matrix i ECC000-140 a me ECC200, ʻoi aku ka maʻamau o ka ECC200.Kākoʻo ʻo Data Matrix i nā huaʻōlelo ASCII a me nā huapalapala ASCII ākea.hoʻohana maʻamau no ka helu helu serial huahana liʻiliʻi.

Māhele Māhele

ʻO Grid Matrix, i kapa ʻia ʻo GM code, he helu 2d square.Hoʻokumu ʻia ke kiʻi code me nā ʻāpana macro square, a ʻo kēlā me kēia module macro i haku ʻia me 6 × 6 mau ʻāpana square.

Hoʻopaʻa ʻia / laina 2d code

Ua kapa ʻia ke code bar stacking / row-parallel 2d bar code stacking 2d bar code a i ʻole layer-parallel bar code 2d.Hoʻokumu ʻia kāna kumu coding ma 1d bar code, i hoʻopaʻa ʻia i ʻelua lālani a ʻoi aku paha e like me ka mea e pono ai.Loaʻa iā ia kekahi mau hiʻohiʻona o ka 1d bar code i ka hoʻolālā coding, ka loiloi hōʻoia a me ke ʻano heluhelu.Ua kūpono nā mea heluhelu me ka paʻi code bar a me ka ʻenehana bar code 1d.Eia naʻe, ma muli o ka piʻi ʻana o ka helu o nā lālani, pono e hoʻoholo i nā lālani, a ʻaʻole like ka decoding algorithm me ka polokalamu.ʻAno lālani ʻelele 2d bar code : PDF417 (hoʻohana mau ʻia), Micro PDF417, Code 16K, CODABLOCK F, Code 49, etc.

PDF 417

ʻO PDF417 ka helu 2d i hoʻohana nui ʻia i kēia manawa.ʻO ke code bar kahi ʻano code bar density kiʻekiʻe, ma ka wahi like ma mua o ka code 2d maʻamau hiki ke hoʻokomo i ka ʻike hou aku.Hoʻohana nui ʻia i nā tikiki loteri, nā mokulele mokulele, nā hiʻohiʻona heluhelu ID.

Ke ʻimi nei i ke kumu kūʻai haʻahaʻa aʻoi aku ka maikaʻi o ka barcode scannerno kāu ʻoihana?

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