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Koodu 2D, ti a tun mọ si koodu iwọle onisẹpo meji, jẹ ọna tuntun ti fifi koodu ati fifipamọ alaye data ti o dagbasoke lori ipilẹ ti kooduopo onisẹpo kan.Awọn koodu QR le ṣe aṣoju awọn alaye lọpọlọpọ gẹgẹbi awọn ohun kikọ Kannada, awọn aworan, awọn ika ọwọ ati awọn ohun.Nitori kika kika ẹrọ ti o lagbara, ọlọjẹ irọrun ati lilo, ati ibi ipamọ alaye diẹ sii, awọn koodu QR ni lilo pupọ ni ile itaja eekaderi, soobu, ile-iṣẹ iṣẹ, abojuto oogun, ibi ipamọ alaye reagent ti ibi, ijẹrisi ID, aami ọja, gbigbe ọkọ ayọkẹlẹ, jẹ o gbajumo ni lilo ninu awọn aaye ti aabo.

Awọn koodu onisẹpo meji le pin ni akọkọ si oriṣi tolera ati iru matrix gẹgẹbi awọn ilana ifaminsi oriṣiriṣi.Awọn koodu onisẹpo meji ti o wọpọ ni akọkọ pẹlu koodu QR, PDF417, koodu DM, ati bẹbẹ lọ

QR koodu
Koodu QR jẹ koodu onisẹpo meji matrix pẹlu iyara-giga, awọn abuda kika gbogbo yika, ati pe o jẹ lilo pupọ julọ lọwọlọwọ.Nigbagbogbo a lo fun awọn eekaderi ati iṣakoso iṣelọpọ adaṣe ile-iṣẹ.Ni igbesi aye ojoojumọ, awọn koodu QR tun lo fun ọkọ akero ati awọn koodu gigun alaja ati awọn kaadi iṣowo koodu WeChat QR.

 

 

PDF417
PDF417 jẹ koodu QR tolera, eyiti o jẹ faili data to ṣee gbe pẹlu iwuwo giga ati akoonu alaye giga, ati pe alaye ti o fipamọ ko le tun kọ.Nitori akoonu alaye nla ati aṣiri ti o lagbara ati awọn ohun-ini aiṣedeede ti koodu onisẹpo meji yii, o lo pupọ julọ ni awọn iwe-iwọle wiwọ, awọn iwe irinna ati awọn iwe aṣẹ miiran.

 

 

DM koodu
DM koodu jẹ koodu onisẹpo meji matrix kan, eyiti o lo agbegbe nikan fun idanimọ ati pe o ni aabo giga, nitorinaa o nigbagbogbo lo ni aaye ti aabo ati aabo orilẹ-ede, isamisi awọn ẹya aerospace, ati bẹbẹ lọ.

 

Bii awọn ohun elo koodu QR ṣe di olokiki siwaju ati siwaju sii, awọn atẹwe ati awọn aṣayẹwo koodu QR fun titẹ awọn koodu QR tun ti di pataki.