芒果视频下载

網站(zhan)分類
登錄 |    

條碼讀取器是什么 條碼讀取器原理介紹

本文章由注冊用戶 淺嘗不止— 上傳提供 2023-12-13 評論 0
摘要:條碼讀碼器能夠應用的行業非常多,幾乎所有的行業都可以使用的到,很多人在剛聽到的時候,感到很陌生,想知道條碼讀取器是什么?其實條碼讀取器就是用來讀取條碼信息的設備,其中條形碼是一種用線條和線條之間的間隔按照一定的規則表示數據的條形符號。那么條碼讀取器原理是什么呢?一起到文中來看看吧!

一、條碼讀取器是什么

條碼是一種用線條和線條之間的間隔按照一定的規則表示數據的條形符號,條碼讀取器指的是用來讀取條碼信息的設備。

條碼讀取(qu)(qu)器的的使用在現在市面上(shang)非常多,它能集成條碼讀取(qu)(qu)和(he)信息(xi)處(chu)理。能夠(gou)滿足(zu)各行各業企(qi)業內部(bu)數(shu)據(ju)采(cai)集處(chu)理等(deng)需求(qiu)。完成數(shu)據(ju)一體化管(guan)理,為企(qi)業的數(shu)字化轉型奠定基礎。

該圖片由注冊用戶"淺嘗不止—"提供,版權聲明反饋

二、條碼讀取器原理介紹

前文已經簡單了(le)解了(le)碼(ma)讀取器是(shi)什么,那么它是(shi)怎么讀取條碼(ma)的(de)呢?一(yi)起來(lai)看(kan)看(kan)條碼(ma)讀取器原理介紹吧!

它使(shi)用一(yi)個光(guang)(guang)(guang)(guang)(guang)(guang)學裝(zhuang)置(zhi)將條碼的(de)(de)(de)(de)(de)(de)條空信(xin)(xin)(xin)(xin)息(xi)轉(zhuan)(zhuan)換(huan)成電(dian)(dian)(dian)(dian)(dian)(dian)子信(xin)(xin)(xin)(xin)息(xi),再由專用譯碼器翻譯成相應的(de)(de)(de)(de)(de)(de)數據信(xin)(xin)(xin)(xin)息(xi)。由于(yu)不(bu)同(tong)顏色的(de)(de)(de)(de)(de)(de)物體(ti),其反(fan)(fan)射(she)的(de)(de)(de)(de)(de)(de)可見(jian)光(guang)(guang)(guang)(guang)(guang)(guang)的(de)(de)(de)(de)(de)(de)波(bo)長不(bu)同(tong),白色物體(ti)能反(fan)(fan)射(she)各種波(bo)長的(de)(de)(de)(de)(de)(de)可見(jian)光(guang)(guang)(guang)(guang)(guang)(guang),黑(hei)色物體(ti)則吸收(shou)各種波(bo)長的(de)(de)(de)(de)(de)(de)可見(jian)光(guang)(guang)(guang)(guang)(guang)(guang),所以當條碼掃描器光(guang)(guang)(guang)(guang)(guang)(guang)源發出的(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)(guang)(guang)(guang)經(jing)光(guang)(guang)(guang)(guang)(guang)(guang)闌及凸(tu)透鏡1后,照射(she)到(dao)黑(hei)白相間的(de)(de)(de)(de)(de)(de)條碼上時,反(fan)(fan)射(she)光(guang)(guang)(guang)(guang)(guang)(guang)經(jing)凸(tu)透鏡2聚焦后,照射(she)到(dao)光(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)轉(zhuan)(zhuan)換(huan)器上,于(yu)是(shi)光(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)轉(zhuan)(zhuan)換(huan)器接(jie)收(shou)到(dao)與白條和黑(hei)條相應的(de)(de)(de)(de)(de)(de)強弱(ruo)不(bu)同(tong)的(de)(de)(de)(de)(de)(de)反(fan)(fan)射(she)光(guang)(guang)(guang)(guang)(guang)(guang)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao),并(bing)轉(zhuan)(zhuan)換(huan)成相應的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao)輸出到(dao)放(fang)(fang)(fang)大整(zheng)形(xing)電(dian)(dian)(dian)(dian)(dian)(dian)路。白條、黑(hei)條的(de)(de)(de)(de)(de)(de)寬度不(bu)同(tong),相應的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao)持續時間長短也不(bu)同(tong)。但是(shi),由光(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)轉(zhuan)(zhuan)換(huan)器輸出的(de)(de)(de)(de)(de)(de)與條碼的(de)(de)(de)(de)(de)(de)條和空相應的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao)一(yi)般僅10mV左右,不(bu)能直接(jie)使(shi)用,因而先(xian)要將光(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)轉(zhuan)(zhuan)換(huan)器輸出的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao)送放(fang)(fang)(fang)大器放(fang)(fang)(fang)大。放(fang)(fang)(fang)大后的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao)仍(reng)然是(shi)一(yi)個模擬(ni)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao),為了避免(mian)由條碼中(zhong)的(de)(de)(de)(de)(de)(de)疵點和污點導致錯誤信(xin)(xin)(xin)(xin)號(hao)(hao)(hao),在放(fang)(fang)(fang)大電(dian)(dian)(dian)(dian)(dian)(dian)路后需加一(yi)整(zheng)形(xing)電(dian)(dian)(dian)(dian)(dian)(dian)路,把模擬(ni)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao)轉(zhuan)(zhuan)換(huan)成數字電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)(xin)(xin)號(hao)(hao)(hao),以便計算機系統(tong)能準確判讀。

整形電(dian)路(lu)的(de)(de)(de)脈沖數字(zi)(zi)(zi)信(xin)(xin)號經譯(yi)(yi)碼(ma)(ma)器(qi)譯(yi)(yi)成(cheng)數字(zi)(zi)(zi)、字(zi)(zi)(zi)符(fu)信(xin)(xin)息(xi)。它通過(guo)識別(bie)起(qi)始、終止字(zi)(zi)(zi)符(fu)來判別(bie)出條(tiao)(tiao)碼(ma)(ma)符(fu)號的(de)(de)(de)碼(ma)(ma)制及(ji)掃描方(fang)向;通過(guo)測量脈沖數字(zi)(zi)(zi)電(dian)信(xin)(xin)號0、1的(de)(de)(de)數目來判別(bie)出條(tiao)(tiao)和(he)空(kong)的(de)(de)(de)數目。通過(guo)測量0、1信(xin)(xin)號持續的(de)(de)(de)時(shi)間(jian)來判別(bie)條(tiao)(tiao)和(he)空(kong)的(de)(de)(de)寬度。這樣便(bian)得到了(le)被辯讀(du)的(de)(de)(de)條(tiao)(tiao)碼(ma)(ma)符(fu)號的(de)(de)(de)條(tiao)(tiao)和(he)空(kong)的(de)(de)(de)數目及(ji)相應(ying)的(de)(de)(de)寬度和(he)所用碼(ma)(ma)制,根據碼(ma)(ma)制所對應(ying)的(de)(de)(de)編碼(ma)(ma)規(gui)則,便(bian)可將(jiang)條(tiao)(tiao)形符(fu)號換(huan)成(cheng)相應(ying)的(de)(de)(de)數字(zi)(zi)(zi)、字(zi)(zi)(zi)符(fu)信(xin)(xin)息(xi),通過(guo)接口電(dian)路(lu)送(song)給計算機(ji)系統(tong)進行數據處理(li)與管理(li),便(bian)完成(cheng)了(le)條(tiao)(tiao)碼(ma)(ma)辨讀(du)的(de)(de)(de)全過(guo)程。

網站提醒和聲明
本(ben)站為注冊(ce)用戶提(ti)供(gong)信(xin)息存(cun)儲空間服務,非“MAIGOO編(bian)輯上(shang)傳(chuan)(chuan)提(ti)供(gong)”的文章/文字均是(shi)注冊(ce)用戶自主發布上(shang)傳(chuan)(chuan),不代表(biao)本(ben)站觀點,版權歸原作者所(suo)有,如有侵權、虛假信(xin)息、錯誤信(xin)息或(huo)任(ren)何問題,請及時(shi)聯系我(wo)們,我(wo)們將在第一時(shi)間刪除或(huo)更正。 申請刪除>> 糾錯>> 投訴侵權>> 網(wang)頁上相關(guan)信(xin)息(xi)的知(zhi)識產權(quan)歸網(wang)站方所有(you)(包(bao)括但(dan)不限(xian)于(yu)文字、圖(tu)片、圖(tu)表、著作權(quan)、商(shang)(shang)標權(quan)、為用戶提供的商(shang)(shang)業信(xin)息(xi)等),非經許(xu)可不得抄襲或使(shi)用。
提(ti)交說明: 快速提交發布>> 查看提交幫助>> 注冊登錄>>
發表評論
您還未登錄,依《網絡安全法》相關要求,請您登錄賬戶后再提交發布信息。點擊登錄>>如您還未注冊,可,感謝您的理解及支持!
最新評論
暫無評論
淺嘗不止—
注冊用戶-橙心誠意的個人賬號
關注
頁面相關分類
裝修居住/場景空間
生活知識百科分類
地區城市
更多熱門城市 省份地區
人群
季節
TOP熱門知識榜
知識體系榜