Barcode lub teb chaws encrypted ntaub ntawv

Feem ntau cov neeg tsis paub yuav ua li cas mus nyeem cov barcode rau cov khoom lawv yuav nyob rau hauv khw, thiab nyob rau hauv qhov tseeb no weird dub kab txaij nrog dawb qhov chaw yuav qhia rau peb tsis tsuas hais txog lub teb chaws ntawm hauv paus chiv keeb, tab sis kuj ib co ntawm cov tseem ceeb tsis muaj ntau lawm.

Cov cim ntawm no los tus neeg to taub xwb cov nuj nqis sawv ntawm kev pheej hmoo. Yuav ua li cas yog ib lub teb chaws bar code? Qhov no lub sij hawm yog hais txog ib tug tshwj xeeb cov duab sawv cev ntawm cov ntaub ntawv. Nws yog ib tug sau ntawm tuav thiab tej qhov chaw uas yog tsim rau kev nyeem ntawv duas paub kiag li lawm. Nyob rau tib lub sij hawm nyob rau hauv lub teb chaws ntawm hauv paus chiv keeb qhia cov thawj ob los yog peb tug lej tom qab.

Nws yog ib nqi sau cia hais tias lub barcode invented thiab patented nyob rau hauv 1949, Woodland thiab Silver. Tam sim no tsim muaj pub rau ntau yog accounting thiab tswj cov ntaub ntawv uas txhais tau tias nyob rau hauv lawv txoj kev los ntawm cov chaw tsim tshuaj paus tau txais kev pab.

Rau hnub tim, feem ntau siv American Universal khoom code los yog ib tug European coding system. Cov feem nrov yog cov 13 tug code, uas yog tswvcuab hauv cov teb chaws Europe nyob rau hauv 1977.

ob hom ntawm bar coding yog siv nyob rau hauv Russia:

• European system nrog 13 coding khoom;

• ib tug system ntawm bar codes kev sib hais haum thiab kev them nyiaj rau cov ntaub ntawv.

Yuav ua li cas yuav qhia tau no coding? lub teb chaws bar code - ib tug European tsab xov xwm Number, uas qhia rau hauv lub qhov chaw uas nws tau tsim. Nyob rau hauv lub keeb kwm ntawm cov khoom nyob rau hauv thawj tug lej ntawm kev pheej hmoo yog cov sib txawv. Nws yog ib nqi sau cia hais tias lub teb chaws lub bar code assigns ib tug tshwj xeeb thoob ntiaj teb lub koom haum. Peb yuav tsum nco ntsoov tias nyob rau hauv no code yuav tsis nkag mus rau ib tug ib tug lej.

Tseem ceeb: bar cai system yog tib yam rau tag nrho cov teb chaws, tsuas yog lub US thiab Canada. Nyob rau tib lub sij hawm nyob rau hauv phau ntawv tej zaum yuav lub teb chaws barcode nrog lub thiaj li hu ua prefix, thiab ib co cov khoom tej zaum yuav muaj ib tug ua ke ntawm ob hom cai uas siv cov tuav thiab tej qhov chaw ntawm ua tuab.

Buyers yeej ib txwm xav los ntawm cov khoom Chaw tsim tshuaj paus. Qhia cov teb chaws los ntawm bar code yog yooj yim txaus. Txaus paub cov zauv uas qhia lub keeb kwm ntawm cov khoom.

lub teb chaws barcodes yog heev ntau haiv neeg. Yog li ntawd, nyob rau hauv lub ntim ntawm cov khoom los ntawm lub tebchaws United States thiab Canada yog cov thawj xov tooj 00-09, ntawm lub teb chaws Yelemees - 400-440, Poland - 590, Tuam Tshoj - 690, thiab ntawm Guj kuj - 460-469.

Nws yuav tsum tau hais tias lub ntsiab txhais ntawm lub teb chaws ntawm lub bar code - tsis yog cov ntaub ntawv uas muaj peev xwm yuav tau nrog kev pab los ntawm ib tug duab duab rau cov khoom. Nws hais txog lub tuam txhab, uas manufactures khoom. Bar code cov ntsiab lus rau ib tug neeg tsis muaj cov khoom - nws lub npe, neeg tus yam ntxwv, loj thiab nyhav, cov khoom xyaw thiab xim. Muaj kuj yog ib daim tshev lej. Nws ua hauj lwm pab kom paub tseeb lub correctness ntawm cov nyeem cai siv tshwj xeeb scanners. Tej zaum nws yuav muab mus rau lwm daim duab, uas qhia cov khoom nyob rau hauv daim ntawv tso cai lawm.

Barcoding no tseem ceeb heev. Nws ua rau nws yooj yim kom cov ntaub ntawv los ntawm cov khoom los ntawm ib tug network ntawm computers paub tus nqi ntawm lawv cov hnub siv, raws li tau zoo raws li los mus tiv thaiv kev tshem tawm ntawm tseem tsis them nyiaj khoom sab nraum khw thiab supermarkets.