Scanner Bar
Scanner Bar
Understanding Bar Code and Verifier Technology
Bar codes have a specific standard for printing. Each bar code such as a UPC or an interleaved 2 of 5 “case code” has a specified tolerance on the printing widths of the individual bars and spacing in between the bars. Bar code verifiers were designed to measure the pass fail characteristics of the barcode and determine if the barcode is up to spec.
The difficulty with traditional verifier technology is that the scanning experience known by the end user does not necessarily correlate with the results of the verifier. For some reason, many of the bar codes that failed inspection, many of them were actually very easily read by the simple grocery store scanners. But on the other side of the coin, some bar codes that passed inspection were unable to be read by the same scanner. The difficulty came out of the barcode verification method not being commensurate with the way that real bar code scanners work.
Traditional verification is based on the comparison of printed bar widths to the published tolerance levels. If the bar code is within these levels, it passes inspection. Because of the electronic means to determine if the bar code was within acceptable levels, the tighter than necessary control threw out many passable bar codes. The verification methods simply look at the width of the bars and the spacing in between. Defects within the printed code will still pass inspection.
ANSI bar code verifier conformation has established a standard for bar code reading. The new standard is such that the bar code print quality is measured in accordance to the actual function of bar code scanners. Verifiers coming with the ANSI standard are relied upon by suppliers and customers. This ensures a standard across all levels and no confusion is present in the bar code scanners. This allows allow people on both the manufacturing and receiving end to expedite and process orders and shipments much faster. The ANSI standard in bar code verification also makes sure that there are no defects in the bar code that the traditional verification methods could have missed.
The quality guideline for barcode scanners was published in 1990 and established a procedure for measuring bar code quality. The methodology established eight separate codes for bar code scanning. The output of the ANSI method produces a number and letter grade for the bar code scanner and determines the quality of the bar code. A letter grade of “C” or better should scan on any machine and be readable without any kind of hitch. Some manufacturers request a bar code standard of at least a “B” or better with the printing of each bar code. This puts a strain on the manufacturer of the barcode, but with the modern bar code verification techniques, the bar code is guaranteed to be readable by any scanner and business can progress. The old style of bar code verification would not permit such leniency in bar codes and would either fail the majority of good bar codes or pass bar codes which are useable.
About the Author
The author writes articles on 2D Barcode Scanners. Other articles written by the author related to Zebra TLP2844, CCD Barcode Scanners, Barcode Verifiers and EPOS Scanners can be found on the net.
 |
 USB 80mm Long CCD Barcode Scanner Bar Code Reader Black $10.69 Time Remaining: 3d 7h Buy It Now for only: $10.69 |
 Kanescan bar code scanner $10.00 Time Remaining: 1h 39m |
 Opticon OPT 6125 USB Bar Code Barcode scanner Universal $12.99 Time Remaining: 5d 15h 17m Buy It Now for only: $12.99 |
 USB 80mm Long CCD Barcode Scanner Bar Code Reader Gray $16.69 Time Remaining: 5d 12h 40m Buy It Now for only: $16.69 |
 PORTABLE LASER BARCODE SCANNER bar code reader USB $129.75 Time Remaining: 16h 58m Buy It Now for only: $143.00 |
 CCD USB Barcode Bar Code Scanner Reader 80mm Long New $25.99 Time Remaining: 7d 19h 48m Buy It Now for only: $25.99 |
 Bar Code Cordless USB wireless barcode scanner reader kit complete 1 yr wrrnty $145.00 Time Remaining: 23d 22h 23m Buy It Now for only: $145.00 |
 80mm USB CCD Bar code Barcode Scanner Reader UPC Black $25.88 Time Remaining: 8d 8h 34m Buy It Now for only: $25.88 |
 SYMBOL BAR CODE SCANNER LS9208I C11R0100DR MICROS LOGO TABLETOP $10.50 (3 Bids) Time Remaining: 17h 1m |
 AUTOMATIC LASER USB BARCODE SCANNER BAR CODE READER NEW $37.59 Time Remaining: 26d 5h 32m Buy It Now for only: $37.59 |
 USB Laser Barcode Bar Code Scanner Reader for Laptop PC $37.99 Time Remaining: 15d 6h 7m Buy It Now for only: $37.99 |
 USB CCD Long scan laser Barcode Scanner Bar Code Reader $34.11 Time Remaining: 4d 20m Buy It Now for only: $34.11 |
 Symbol DS6708 Handheld Laser Bars Code Reader Scanner Five $399.00 Time Remaining: 20h 25m Buy It Now for only: $450.00 |
 USB CCD Long Handheld Barcode Scanner Scan Automatic Laser Bar Code Reader 4 $33.37 Time Remaining: 19d 3h 29m Buy It Now for only: $33.37 |
 NEW USB 80mm Long CCD BARCODE SCANNER BAR CODE READER $24.85 Time Remaining: 5d 12h 54m Buy It Now for only: $24.85 |
 USB Automatic Long Handheld Scan Laser Barcode Scanner Bar Code Reader White $30.05 Time Remaining: 19d 3h 4m Buy It Now for only: $30.05 |
 USB Automatic Laser Barcode bar code Scanner reader NEW $35.49 Time Remaining: 1d 9h 29m |
 Opticon OPT 6125 USB Bar Code Barcode scanner Universal $19.99 Time Remaining: 4d 13h 27m Buy It Now for only: $19.99 |
 USB 80mm LONG CCD BARCODE SCANNER BAR CODE READER US $23.50 Time Remaining: 7d 5h 23m Buy It Now for only: $23.50 |
 Handheld Laser Barcode Bar Code Decoder Scanner Reader $39.93 Time Remaining: 1d 16h 28m Buy It Now for only: $39.93 |
 Wasp Nest Bar Code Scanner Business Edition 193006 $39.98 Time Remaining: 2d 1h 45m |
 USB CCD Long scan laser Barcode Scanner Bar Code Reader $29.98 Time Remaining: 2d 16h 51m Buy It Now for only: $29.98 |
 NEW USB 80mm Long CCD BARCODE SCANNER BAR CODE READER $16.69 Time Remaining: 5d 13h 34m Buy It Now for only: $16.69 |
 USB 80mm Long CCD BARCODE SCANNER BAR CODE READER $21.90 Time Remaining: 1d 9h 54m Buy It Now for only: $21.90 |
 Motorola MC55 Bar Code Scanner with NEW Cradle charger and data cable $199.95 (1 Bid) Time Remaining: 2d 14h 47m |
 NEW PSC 4310001 DUET DUAL ACTION SCANNER BARCODE LASER BAR CODE READER NIB $40.00 Time Remaining: 27d 16h 26m Buy It Now for only: $40.00 |
 Unitech MS100 4G MS100 Bar Code Wand Reader Pen Scanner $77.41 Time Remaining: 20d 16h 50m Buy It Now for only: $77.41 |
 NEW POS X XI3200U POS X XI3200 Handheld Bar Code Reader Scanner $99.98 Time Remaining: 19h 20m Buy It Now for only: $99.98 |
 PORTABLE LASER BARCODE SCANNER bar code reader USB $129.75 Time Remaining: 2d 16h 58m Buy It Now for only: $143.00 |
 USB Long Scan Laser Barcode Scanner Bar Code Reader B $19.99 Time Remaining: 29d 2h 15m Buy It Now for only: $19.99 |
 USB 80mm Long CCD Barcode Scanner Bar Code Reader Gray $10.69 Time Remaining: 12d 6h 4m Buy It Now for only: $10.69 |
 Symbol LS4208 SR20007ZZR USB Bar Code Scanner $54.00 Time Remaining: 19d 13h 6m Buy It Now for only: $54.00 |
 PORTABLE LASER BARCODE SCANNER bar code reader USB $129.75 Time Remaining: 4d 16h 59m Buy It Now for only: $143.00 |
 NEW USB Automatic Laser Scan Barcode Scanner Bar Code Reader $33.60 Time Remaining: 21d 6h 12m Buy It Now for only: $33.60 |
 USBSwiper USB Barcode Bar Code Scanner Reader $57.95 Time Remaining: 17d 19h 33m Buy It Now for only: $57.95 |
 Handheld USB CCD Laser Barcode Scanner Bar Code Reader $40.94 Time Remaining: 27d 23h 2m Buy It Now for only: $40.94 |
 MK9520 32B47 Honeywell Bar Code Scanner $59.00 Time Remaining: 9d 16h 21m Buy It Now for only: $85.00 |
 CCD USB Barcode Bar Code Scanner Reader 80mm Long New $26.28 Time Remaining: 24d 7h 41m Buy It Now for only: $26.28 |
 USB Long scan laser Barcode Scanner Bar Code Reader $34.11 Time Remaining: 1d 18h 29m Buy It Now for only: $34.11 |
| Account limit of 2039 requests per hour exceeded. |
|
|
Wasp WWS500 Cordless Bar Code Reader $295.99 Wasp Barcode |
|
|
Wasp WPS150 Bar Code Reader $261.38 Wasp WPS150 Bar Code Reader |
|
|
Socket Communications CF Scan Card 5P Bar Code Reader $319.99 Socket Communications CF Scan Card 5P Bar Code Reader |
|
|
Wasp WWS800 Freedom Bar Code Reader $304.25 Wasp WWS800 Freedom Handheld Bar Code Reader |
|
|
Socket Bluetooth Cordless Hand Scanner, 7C (v3) $208.99 Socket Bluetooth Cordless Hand Scanner, 7C (v3) |
|
|
Wasp WCS3905 Bar Code Reader $165.49 Wasp WCS3905 Bar Code Reader |
|
|
Socket Communications CHS 7P Handheld Bar Code Reader $465.49 Socket Communications CHS 7P Handheld Bar Code Reader |
|
|
Wasp WWS855 Wireless Handheld Bar Code Reader $659.99 Wasp Barcode WWS855 Wireless Handheld Bar Code Reader |
|
|
Wasp WLR8905 Handheld Bar Code Reader $220.57 Informatics WLR8905 Handheld Bar Code Reader |
|
|
Wasp WLS9500 Bar Code Reader $284.69 Informatics WLS9505 Handheld Bar Code Reader |
|
|
Adesso NuScan 2100U Bar Code Reader $80.3 Adesso NuScan 2100U Bar Code Reader |
|
|
Wasp WLS9500 Bar Code Reader $284.73 Wasp WLS9500 Bar Code Reader |
|
|
Wasp WLS 8400FZ Fuzzy Logic Industrial Bar Code Reader $363.72 Wasp WLS 8400FZ Fuzzy Logic Industrial Bar Code Reader |
|
|
Wasp WDI4500 Handheld Bar Code Reader $314.49 Wasp WDI4500 Handheld Bar Code Reader |
|
|
Socket Communications 7E Handheld Bar Code Reader $267.99 Socket Communications 7E Handheld Bar Code Reader |
|
|
Socket 7M Handheld Bar Code Reader $372.99 Socket 7M Handheld Bar Code Reader |
|
|
Bar code scanner stand $24.99 Intermec - Bar code scanner stand - for Intermec SR30 |
|
|
Bar code scanner holster $105.99 Intermec - Bar code scanner holster - for Intermec SF51 Cordless Scanner PDF Version |
|
|
bar code scanner stand $45.99 Motorola - Bar code scanner stand - black - for Digital Scanner DS6707 DC DS6707 SR DS6708 SR |
|
|
Bar code scanner holder $25.99 Motorola - Bar code scanner holder - for LS 2208 4208 4208i 4278 |
|
|
STD-1010 - Bar code scanner stand $25.99 Datalogic STD-1010 - Bar code scanner stand - for FireScan |
|
|
Bar code scanner protective boot $29.99 Baracoda - Bar code scanner protective boot - for RoadRunners |
|
|
Intellistand - bar code scanner stand $59.99 Symbol Intellistand - Bar code scanner stand - white - for Digital Scanner DS 6607 DS 6608 DS6707 SR |
2010 mustang gt knight rider red scanner bar
You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.
Comments are closed.