Puas yog barcode scanners nyab xeeb?

Cov txheej txheem:

Puas yog barcode scanners nyab xeeb?
Puas yog barcode scanners nyab xeeb?

Video: Puas yog barcode scanners nyab xeeb?

Video: Puas yog barcode scanners nyab xeeb?
Video: Leng Yang - Yog Vim Dab Tsi (Official Full Song | Nkauj Tawm Tshiab) 2020/05/24 2024, Hlis ntuj nqeg
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Class 2 thiab 2M laser barcode scanners raug suav tias SAFE yog tias lub teeb tshwm sim los tsoo tib neeg lub qhov muag. Blinking thiab saib deb ntawm lub teeb ci ci yog ob qho tib si kev hloov pauv uas tib neeg siv los tiv thaiv qhov muag ntawm kev puas tsuaj.

Puas barcode scanners muaj hluav taws xob?

Infrared Radiation

Infrared rays yog hluav taws xob hluav taws xob nrog wavelengths ntev dua li cov teeb pom kev zoo. Lawv feem ntau siv hauv barcode scanners vim lawv yooj yim thiab siv tau yooj yim. … Qhov no txhais tau tias tsis tas yuav nyem lub teeb liab liab lossis dawb rau cov duab nyeem cov cai.

Puas barcode muaj kev nyab xeeb siv?

Cov neeg tawm tsam tuaj yeem embed qhov tsis zoo URLs uas muaj kev cai malware rau hauv QR code uas tuaj yeem tshem tawm cov ntaub ntawv los ntawm lub xov tooj ntawm tes thaum luam theej duab. Nws tseem muaj peev xwm embed qhov URL phem rau hauv QR code uas coj mus rau qhov chaw phishing, qhov twg cov neeg siv tsis xav tias yuav nthuav tawm cov ntaub ntawv ntiag tug lossis nyiaj txiag.

Lub laser scanner puas ua puas rau koj ob lub qhov muag?

Retinal Burn Cov lasers hauv cov khoom siv tes tuav tawm cov hluav taws xob uas tuaj yeem hlawv koj lub retina vim raug lub sijhawm ntev, zoo li ntsia lub hnub ntev dhau. Qhov kev raug mob no yuav tsis tshwm sim rau tib neeg feem coob, vim tias koj yuav xav saib deb ntawm lub teeb hnyav txhawm rau tiv thaiv koj ob lub qhov muag ntawm kev puas tsuaj.

Puas laser scanner dig muag koj?

Hmoov tsis zoo, qee lub lasers tuaj yeem ua rau lub qhov muag puas tas li thiab qhov muag tsis pomLasers muaj ntau yam kev siv niaj hnub no, txhua yam ntawm barcode scanners thiab laser pointers rau tub rog laser tsom thiab riam phom, thiab ntau yam kev siv kho mob thiab kev lag luam.

Pom zoo: