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“BARCODE READER”

Ahli Kumpulan :Husna Humaira Bt Abu Backer Sidek 034374Nur Fa !in Fa ira Bt "amaru aman 034#3$Ras%a&'a Bt R(s!ee 034#40Nur A ie!a Bt Osman 033)3$

Nama Pensyarah :+(%d Su&an Bin +at Deris

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,%at is “Barc(de Reader” -

• A barc(de reader (r barc(de scanner isan e!ectr(nic de.ice /(r readin

1rinted barc(des2

• A!s( ca!!ed a 1rice scanner (r 1(int (/

sa!e OS scanner5 is a %and %e!d (rstati(nar' in1ut de.ice used t( ca1tureand read in/(rmati(n c(ntained ina barc(de 2 A barc(de reader c(nsists (/a scanner 5 a dec(der eit%er bui!t in (r

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9'1es (/ Barc(de Readers

•

9ec%n(!( ies• H(usin

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9'1es : ; 9ec%n(!( ies

• Pen-type readers - en t'1e readers

c(nsist (/ a !i %t s(urceand 1%(t(di(de t%at are 1!aced ne6t t(eac% (t%er in t%e ti1 (/ a 1en2 9( read a

bar c(de5 t%e 1ers(n %(!din t%e 1enmust m(.e t%e ti1 (/ it acr(ss t%e barsat a re!ati.e!' uni/(rm s1eed2

9%e 1%(t(di(de measures t%e intensit'(/ t%e !i %t re

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E6am1!e (/

“ en t'1e readers”

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9'1es : ; 9ec%n(!( ies

• Laser scanners =aser scanners 8(rk

t%e same 8a' as 1en t'1e readerse6ce1t t%at t%e' use a !aser beam2

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E6am1!e (/

“=aser scanners”

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9'1es : ; 9ec%n(!( ies

• Camera Based Readers 98(

dimensi(na! ima in scanners are t%ene8est t'1e (/ bar c(de reader2 9%e'use a camera and ima e 1r(cessin

tec%ni>ues t( dec(de t%e bar c(de2

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E6am1!e (/

“Camera Based Readers”

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9'1es # ; H(usin

• Handheld scanner 8it% a %and!e and

t'1ica!!' a tri er butt(n /(r s8itc%in(n t%e !i %t s(urce2

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E6am1!e (/

“Hand%e!d scanner”

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9'1es # ; H(usin

• Pen scanner or wand scanner a1en s%a1ed scanner t%at is s8i1ed2

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E6am1!e (/“ en scanner (r 8and

scanner”

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9'1es # ; H(usin

• Stationary scanner wall scan t%att%e barc(de is 1assed under (r beside2

9%ese are c(mm(n!' /(und at t%ec%eck(ut c(unters (/ su1ermarkets and

(t%er retai!ers2

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E6am1!e (/

“Stati(nar' scanner 8a!!”

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9'1es # ; H(usin

• Cordless scanner or Wirelessscanner a c(rd!ess barc(de scanner is(1erated b' a batter' &t inside it and isn(t c(nnected t( t%e e!ectricit' mains

and trans/er data t( t%e c(nnectedde.ice !ike C2

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E6am1!e (/

“C(rd!ess scanner (r ,ire!essscanner”

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Ad.anta es (/ Barc(de

Reader• Err(r Reducti(n ?sin barc(de scanners

reduces rates (/ %uman err(r2 ,%en 1e(1!e are

manua!!' enterin data5 t%e 1(ssibi!it' (/ err(rsis (n!' 1art (/ %uman nature2• @n.ent(r' C(ntr(! Barc(de scanners %e!1 users

kee1 track (/ in.ent(r'2 S(me a!!(8 users t( setu1 a!erts /(r items t%at are (ut (/ st(ck s( (rdercan be &!!ed 1r(m1t!'2

• 9ime Sa.in s N(t (n!' d(es it kee1 '(urin.ent(r'under c(ntr(! and (r ani ed5 (ur time s ent

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Disad.anta es (/

Barc(de Reader• 9%e' Can Breakd(8n barc(de scanners

can e.entua!!' breakd(8n2• S'stem Fai!ure ma' c(st m(re de!a's2• Scratc%ed (r crum1!ed barc(des ma'

cause1r(b!ems2

• Data must be c(ded in t%e barc(de2