A cikin 'yan shekarun nan, manyan kantunan kantuna na cikin gida, shagunan sarƙoƙi da sauran masana'antar kasuwanci sun fahimci fa'idodin kasuwanciPOS tsarinzuwa gudanar da kasuwancin kasuwanci, kuma sun gina tsarin sadarwar POS na kasuwanci. An gabatar da tsarin ƙira da shigarwa na tsarin hanyar sadarwa daki-daki a cikin mujallu na masana'antu daban-daban. Wannan takarda ta fi tattauna yadda za a zaɓi ɗaya daga cikin na'urorin sikanin lambar kasuwanci azaman ɓangaren sayan bayanan gaba-gaba na tsarin POS na kasuwanci.
Akwai na'urorin sikanin barcode na kasuwanci guda uku: CCD Barcode Scanner, Laser Barcode Scanner da Angle Laser Barcode Scanners.
1. CCD Barcode Scanneryana amfani da ƙa'idar haɗin haɗin gwiwar hoto (CCD) don hoton tsarin buga lambar, sa'an nan kuma yanke shi. Amfaninsa sune: babu shaft, mota, tsawon sabis. Farashin yana da arha.
Lokacin zabar na'urar daukar hoto na CCD ɗaya, mahimman sigogi guda biyu sune: Zurfin filin:
Saboda ka'idar hoton CCD tana kama da kyamara, idan kuna son ƙara zurfin filin, madaidaicin ƙarar ruwan tabarau, ta yadda girman CCD ya yi girma, bai dace da aiki ba. Kyakkyawan CCD ya kamata a iya karantawa ba tare da manne da lambar mashaya ba, tare da matsakaicin ƙara da aiki mai daɗi.
Resolution : Idan kana son inganta ƙudurin CCD, dole ne ka ƙara sashin naúrar abubuwan ɗaukar hoto a hoton. CCD mai rahusa gabaɗaya pixels biyar ne, karanta EAN, UPC da sauran lambar kasuwanci ya isa, don sauran tantance lambar zai yi wahala. CCD na tsakiyar kewayon ya fi 1024 pixels, wasu har zuwa 2048pixe1, na iya bambanta kunkuntar sashin lambar mashaya 0.1mm.
2. TheLaser barcode scannerna'urar daukar hotan takardu ce mai layi daya ta amfani da bututun Laser guda biyu a matsayin tushen haske. Yana da yawa iri biyu: rotary madubi da vibrato madubi
Wanda ke amfani da injin mai sauri don tuƙi ƙungiyar priism don jujjuyawa, ta yadda madaidaicin baturi guda ɗaya da bututun biyu ke fitarwa ya zama layi. Ana duba wannan layin laser zuwa lambar mashaya kanta. Bar code baƙar fata yana ɗaukar mafi yawan Laser, kuma fari yana nuna yawancin laser. A lokaci guda, hasken da aka nuna yana nunawa ta hanyar ruwan tabarau na gani a cikin 'injin', kuma yana mai da hankali kan bututu uku na photoelectric. Abubuwan lura a cikin yanki na lokaci sun nuna cewa ƙananan ƙananan bututu uku na photoelectric akan bel ɗin baƙar fata, da babban matakin akan bel ɗin farin. Bayan an ƙara ƙarawa da yawa, ana siffanta igiyar ruwa mai kusurwa rectangular, kuma igiyar rectangular ta yi daidai da lambar mashaya da aka bincika. Ana watsa siginar igiyar ruwa da aka samu zuwa mai yankewa ta hanyar layin bayanai. 'Decoder' a zahiri microcomputer guntu ɗaya ne. Ya dogara ne akan katsewa da ma'aunin guntu guda ɗaya don yin rikodin lokacin tsalle-tsalle. Ana yanke tsararrun da aka tattara a cikin dubawa na gaba ko na baya. Ya dogara ne akan adadin lokaci na waɗannan ƙididdiga don ƙaddamar da lambar mashaya mai dacewa. A cikin aikace-aikacen aikace-aikacen, akwai nau'ikan lambar mashaya da yawa, da maruƙan marufi marasa tsari kamar saman kumfa, don haka ɓangaren yanke hukunci yana buƙatar takamaiman haƙuri, amma ba zai iya samar da lambar kuskure ba. A halin yanzu, na'urar tantancewa gabaɗaya tana rarraba zuwa 8-bit da 32-bit, fa'idar 8-bit shine farashi, 32-bit shine saurin. Kasuwar lambar layin laser tana cike da dodanni, amma kuma sun bi ƙurar na'urar daukar hotan takardu na ccd, farashin sun faɗi akai-akai, gida, amma akwai masana'antun cikin gida da yawa masu ƙarfi, masu amfani suna buƙatar yin la'akari da abin da alama, zaɓi mafi dacewa.
Farashin madubi mai rawar jiki ya fi na madubin juyawa, amma wannan ka'idar bindigar Laser ba ta da sauƙi don inganta saurin dubawa, gabaɗaya sau 33 a cikin daƙiƙa guda.
Lokacin da kamfanonin kasuwanci suka zaɓi ɗaya daga cikin na'urar daukar hoto ta Laser, yana da mahimmanci a kula da saurin dubawa da ƙuduri, kuma zurfin filin ba shine maɓalli ba. Domin lokacin da zurfin filin ya karu, ƙudurin zai ragu sosai. Kyakkyawan na'urar daukar hoto Laser na hannu yakamata ya sami babban saurin dubawa da babban ƙuduri a cikin ƙayyadadden zurfin filin.
3. Na'urar daukar hoto ta kusurwa ita ce ana'urar daukar hotan takarduwanda ke warware Laser ɗin da diode na Laser ke fitarwa ko layukan dubawa da yawa ta hanyar tsarin gani. Babban manufar ita ce rage aikin daidaita lambar mashaya lokacin da mai karbar kuɗi ya shigar da bayanan mashaya. Ɗaya daga cikin zaɓin ya kamata ya mayar da hankali kan rarraba tabo na layin dubawa:
1.Akwai layi daya da yawa a layi daya
2. Layukan duba da yawa suna wucewa a wuri ɗaya
3. Yiwuwar tafsirin kowane batu yana mai da hankali kan daidaitawa cikin takamaiman sarari
Na'urar daukar hoto ta kusurwa wacce ta dace da maki uku na sama dole ne ya zama ɗaya daga cikin aikace-aikacen zaɓin kasuwanci.
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Ofishin ƙarawa: Hanyar Yong Jun, gundumar Zhongkai High-Tech, Huizhou 516029, China.
Lokacin aikawa: Nuwamba-22-2022