barcode technology
TRANSCRIPT
THE INSTITUTE OF CHARTERD ACCOUNTANTS OF INDIA
PRESENTED BY ARUN SUNNYSRO0621121
BARCODE TECHNOLOGY
PROJECT ON
WHAT IS A BARCODE? HISTORY OF BARCODES TYPES HOW IT WORKS ???? BARCODE SCANNERS APPLICATION OF BARCODE FACTS FOR SUCCESS ADVANTAGES DISADVANTAGES CONCLUSION
CONTENTS
A BARCODE IS A MACHINE-READABLE REPRESENTATION OF DATA RELATING TO THE OBJECT TO WHICH IT IS ATTACHED.
BARCODES IS A PREDEFINED FORMAT OF DARK BARS WITH WHITE SPACES
IN THE BARCODE SPACE IS CONSIDER AS ZERO AND BLACK BARS AS ONE
COMBINED WITH DATA –COLLECTION TECHNOLOGY, BAR CODES PROVIDE A RAPID,ACCURATE, AND EFFICIENT.
WHAT IS A BARCODE
AS FAR BACK AS THE 1960’S BARCODES WERE USED INDUSTRIAL WORK ENVIRONMENTS
IN EARLY 1970’S COMMON BARCODES STARTING APPEARING TO AUTOMATE THE PROCESS OF IDENTIFY THE GROCERY ITEMS,UPC BARCODES WERE PLACED ON PRODUCTS.
SOME OF THE EARLY IMPLEMENTATIONS OF BARCODES INCLUDES THE ABILITY TO IDENTIFY RAILS, CARS…ETC.
THE TECHNOLOGY IS BORN ON 26TH OF JUNE 1974 THE WRIGELY JUICY FRUIT GUM OF 10 PACKS WAS FIRST SCANNED PRODUCT.
HISTORY OF BARCODES
LINEAR BARCODE(CONSIST OF BLACK BARS AND WHITE SPACES) CODE11 CODE128 CODE39 UPC etc.
2D BARCODE(COMPOSED OF GRID OF LIGHT AND DARK MODULES) DATA MATRIX AZTEC CODE QR-CODE etc.
TYPES OF BARCODE
EACH BARCODE LABLE HAVE A FEW DIFFERENT PARTS:-
COUNTRY IDENTIFIER MANUFACTURER’S ID PRODUCT ITEM NUMBER CHECK DIGIT
HOW IT WORKS
EACH PRODUCT HAVE A UNIQUE PRODUCT ITEM NUMBER
CHECK DIGIT IS THE FINAL NUMBER ON THE BARCODE LABLE WHEN SCANNER READS THE BARCODE THE DIGIT HELPS IT TO VERIFY THAT THE BARCODE HAS BEEN READ CORRECTLY
THIS IS ALL DONE BY SACNNER WHICH PICK UPS THE BARS THEN IT TRANSFERS THE
INFORMATION TO THE COMPUTER
THEN IT FINDS THE RECORD ASSOCIATED WITH IT
THESE ARE AN ELECTRONIC DEVICE TO TO READING PRINTED BARCODES.
A BARCODE SCANNER USES A PHOTO SENSOR(OPTICAL TECHNIQUE) TO CONVERT THE BARCODE INTO AN ELECTRICASIGNAL.
TYPES:- PEN STYLE SCANNERS SLOT BASED SCANNERS CCD READERS(CHARGE COUPLED DEVICE) CAMERA BASED SCANNERS LEASER BASED SCANNERS
BARCODE SCANNER
Handheld, single line
Handheld, single lineFixed mount, multi-line
BARCODE SCANNERS
FOR DEPARTMENTAL STORES
FOR LIBRARIES
FOR INDUSTRY
HEALTH AGENCIES
DOCUMENT TRACKING
APPLICATION OF BARCODES
BARCODE LABLES ARE CHEAP
IT MAY BE READ BY GREAT ACCURACY
STANDARD SIMBOLOGY IS DEVELOPED
USER FRIENDLY TECHNOLOGY
FACTS FOR SUCCESS
REPRESENT UNIQUE IDENTITY OF A PRODUCT
COST EFFICENT ACCURACY OF DATA INPUT (ERROR FREE)
REAL TIME DATA COLLECTION
BIDIRECTIONAL SIMBOLOGY
ADVANTAGES
SYSTEM FAILURE MAY COST MORE DELAY.
SCRATCHED OR CRUMPLED BARCODES AY CAUSE PROBLEMS.
DATA MUST BE CODED INTO THE BARCOD.
IN LASER SCANNING DURABILITY & COST ARE TWO DISADVANTAGE.
DISADVANTAGES
POSITIVE IMPACT ON DAILY LIFE.
HAVE LOSTS OF ADVANTAGES WITH MINOR BOTTELNEAKS. IT HAS IT’S VESATILE USE & IT IS USER FRIENDLY.
LASER EMISSION ON HUMAN BODY IS HARMFUL FOR SKIN.
CONCLUSION
THANK YOU!!!