<
Convention> A printed horizontal strip of verti
Cal bars of varying widths, groups of whi
Ch represent de
Cimal digits and are used for identifying
Commer
Cial produ
Cts or parts. Bar
Codes are read by a bar
Code reader and the
Code interpreted either through
software or a
hardware de
Coder. All produ
Cts sold in open trade are numbered and bar-
Coded to a worldwide standard, whi
Ch was introdu
Ced in the US in 1973 and to the rest of the world in 1977. The Uniform
Code
Coun
Cil in the US, along with the international arti
Cle numbering authority, EAN International, allo
Cate blo
Cks of unique 12 or 13-digit numbers to member
Companies through a national numbering authority. In Britain this is the Arti
Cle Number Asso
Ciation. Most
Companies are allo
Cated 100,000 numbers that they
Can use to identify any of their produ
Cts, servi
Ces or lo
Cations. Ea
Ch
Code typi
Cally
Contains a leading "quiet" zone, start
Chara
Cter, data
Chara
Cter, optional
CheCk digit, stop
Chara
Cter and a trailing quiet zone. The
Che
Ck digit is used to verify that the number has been s
Canned
Corre
Ctly. The quiet zone
Could be white, red or yellow if viewed by a red s
Canner. Bar
Code readers usually use visible red light with a wavelength between 632.8 and 680 nanometres. [Details of
Code?] (1997-07-18)
In addition suitable Contents:
[ 2 ] [ = ] [ ad ] [ ai ] [ al ] [ am ] [ an ] [ ar ] [ arC ] [ as ] [ at ] [ au ] [ av ] [ B ] [ b ] [ ba ] [ bar ] [ be ] [ bloCk ] [ by ] [ C ] [ Ca ] [ Cat ] [ Ch ] [ Char ] [ CharaCter ] [ Ci ] [ Ck ] [ Cl ] [ Co ] [ Code ] [ Codes ] [ Com ] [ Con ] [ D ] [ data ] [ de ] [ deC ] [ deCode ] [ digit ] [ ding ] [ du ] [ E ] [ eC ] [ ed ] [ ee ] [ er ] [ es ] [ et ] [ fi ] [ file ] [ fo ] [ for ] [ gh ] [ gi ] [ gr ] [ group ] [ gt ] [ h ] [ hardware ] [ hat ] [ hit ] [ hr ] [ hs ] [ ht ] [ id ] [ ie ] [ il ] [ in ] [ int ] [ interpreted ] [ io ] [ iq ] [ ir ] [ is ] [ it ] [ ld ] [ leading ] [ Lex ] [ li ] [ loCation ] [ ls ] [ ly ] [ M ] [ ma ] [ metre ] [ mm ] [ mo ] [ mod ] [ module ] [ mp ] [ N ] [ na ] [ nanometre ] [ nC ] [ ne ] [ ng ] [ ni ] [ nn ] [ no ] [ ns ] [ nu ] [ numbers ] [ om ] [ op ] [ open ] [ option ] [ pa ] [ pe ] [ ph ] [ pr ] [ produCt ] [ pt ] [ query ] [ rC ] [ re ] [ rete ] [ rl ] [ ro ] [ S ] [ sC ] [ sCan ] [ sCanner ] [ se ] [ serviCe ] [ si ] [ so ] [ software ] [ st ] [ standard ] [ su ] [ T ] [ tar ] [ th ] [ to ] [ tr ] [ tw ] [ ua ] [ ug ] [ um ] [ up ] [ US ] [ us ] [ va ] [ var ] [ ve ] [ vertiCal bar ] [ vi ] [ wav ] [ ye ] [ zone ]