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Topic: Barcode symbology

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	Barcoding Inc. - Barcode Symbology Definitions (Site not responding. Last check: 2007-10-21)
		Barcodes look "strange" because the bars and spaces are the elements of a language which can be easily understood by a computer.
		In essence, barcode symbologies are a sort of "in-between" language which allows humans and computers to communicate.
		The specification of a symbology includes the encoding of the single digits/characters of the message as well as the start and stop markers into bars and space, the size of the quiet zone required to be before and after the barcode as well as the computation of a checksum.
	www.barcoding.com /information/barcode-symbology-definition.shtml (350 words)

	GENERAL SYMBOLOGY BACKGROUND INFORMATION
		Symbologies are systems of encoding data such that a scanner and/or a decoding system may together read and decode the data encoded in the barcode.
		A discrete symbology is one where each and every character encoded in the symbol may be interpeted individually without respect to the rest of the barcode.
		Continuous symbologies normally implement some kind of special termation bar or termination sequence such that the last space of the last data character is terminated by the termination bar.
	www.barcodeisland.com /syminfo.phtml (1282 words)

	Barcode Symbology - Linear and 2D barcode
		Barcode is an automatic identification technology consisting of a series of parallel, adjacent bars and spaces.
		The very early history of barcode concepts can be traced back to the very first patent issued to J.T. Kermode et al.
		The section below describes the different symbologies for both 1 dimensional and 2 dimensional barcodes.
	www.technoriversoft.com /barcode.html (190 words)

	Barcode Sysmbologies (Site not responding. Last check: 2007-10-21)
		The symbology is discrete and is able to encode the numbers 0 through 9, the dash symbol (-), and start/stop characters.
		The symbology includes a checksum digit for verification, and the barcode may also be verified character-by-character verifying the parity of each data byte.
		This symbology has been widely implemented in many applications where a relatively large amount of data must be encoded in a relatively small amount of space.
	www.neodynamic.com /Products/BarcodeSysmbologies.aspx (1892 words)

	A Barcode Symbology is a specific type of barcode (Site not responding. Last check: 2007-10-21)
		These new codes are good symbologies and will take their place in the business world, but it will take some time for them to become common in usage.
		These are the 2 and 3 dimensional symbologies that are being used for specific applications in the courier and transportation industries.
		Codabar was the first symbology to be used by any group and libraries started using bar codes before the retail industry.
	www.pointofsale.com /symbology.htm (300 words)

	Barcode Symbology Choice Evaluation
		The type of barcode to use for a particular situation depends upon: (1) the implementation; (2) the data-to-encode in the barcode and (3) how the barcode will be printed.
		Each type of symbology (or barcode type) is a standard that defines the printed symbol and how a device such as a barcode scanner reads and decodes the printed symbol.
		Before selecting a symbology to use, check to determine if there is an established standard for the industry by contacting the respective industry standard board for the correct symbology choice.
	www.barcodefaq.com /best-to-use.html (404 words)

	Library Barcodes - Barcode Discount
		In barcode labeling, a unique item number is assigned to each piece that can circulate and that item number is linked to an item record, which in turn is linked to a bibliographic record.
		Dumb barcodes are commonly printed on 2" x 5/8" stock and include the name of the library at the top, followed by scannable and eye-readable versions of the barcode number.
		Barcode label suppliers often recommend that barcode labels be placed on the inside rather than outside cover or spine of books.
	www.barcodediscount.com /solutions/library-labeling.htm (1064 words)

	Barcode Symbology Reference
		Data Matrix is a two-dimensional matrix symbology which is made up of square modules arranged within a perimeter finder pattern.
		The symbology is called "2 of 5" due to the fact that digits are encoded with 5 bars, 2 of which are always wide (and the remaining three are narrow).
		It is a numeric symbology that uses five bars and four spaces.
	www.technoriversoft.com /help/scs_barcode_symbology.htm (1442 words)

	Information on ITF, ITF-14 Barcode Symbology (Site not responding. Last check: 2007-10-21)
		ITF has the same encoding technique as for Code 25 with exception that both bars spaces carry information: one character is encoded by bars and the character is encoded by bars and the character next to it formed by the intervening spaces of the bars.
		barcode symbology you will have to enter an even number of numeric characters to yield a complete barcode.
		barcode symbology you will have to enter 13 digits and or 5 additional digits to yield a complete barcode.
	www.amsprinting.com /itf.htm (170 words)

	All about barcode symbology.
		The discrete form of symbology simply means that each character individually on the barcode can be decoded without working with the other characters on the same barcode.
		Another aspect of barcode symbology is the width and lengths of the many bars seen on the barcode.
		The basic principals and foundations of barcode symbology are the symbol set, density, readability, setup, and acceptance.
	www.nationalbarcode.com /info/barcode-symbology.html (579 words)

	2D Barcodes Explained
		The barcode is called 'one dimentional' because all the data is encoded in the horizontal width.
		Although 1D barcodes hold a smaller amount of data it is 'spread' over the whole height of the barcode.
		There are many different barcode symbologies in use today and many of them were introduced specifically to achieve higher data density.
	www.barcodeman.com /faq/2d.php (762 words)

	HP Small & Medium Business - Products - LaserJet fonts barcode products
		Barcodes are those fl and white stripes found on grocery store products, parts within manufacturing processes, invoices, US Postal Service letters, etc. They are everywhere.
		Barcodes encapsulate a small amount of data and are read with a wand, or barcode reader.
		Interleaved 2 of 5 - Interleaved 2 of 5 is a high-density, self-checking, numeric symbology.
	www.hp.com /sbso/product/printing/laserjetfonts/barcode.html (749 words)

	Bar Code Fonts for Manufacturing - Seradex ERP
		Barcode Symbologies are systems of encoding data so a scanner can read the data encoded in the barcode.
		Each symbology has a set of standards to ensure the barcode can be printed and read by different equipment.
		A Alpha-Numeric character set means the symbology can encode the digits 0 through 9 as well as alphabetic characters from A through Z. A Full ASCII character set is one that allows the encoding of the full ASCII character set.
	www.seradex.com /Barcode_Fonts_ERP.shtml (390 words)

	Barcode Basics
		Perhaps the least expensive way to scan a barcode, the wand is a pen-like device that must be in contact with the barcode.
		To be able to read a barcode from 40 feet away, the barcode should be very large and printed on material (called "retroreflective") that can reflect, rather than absorb, a lot of light.
		The barcode decoder inside this box is often capable manipulating the data as well as decoding the barcode.
	www.posworld.com /barcodbas.html (2157 words)

	BARCODE ISLAND - A website with technical information about bar codes (Site not responding. Last check: 2007-10-21)
		Welcome to Barcode Island, a comprehensive new website written specifically for barcode developers.
		We began preparing Barcode Island when we had a need for technical information on a variety of barcode symbologies and found that the information was not available in a single, centralized site on the Internet.
		We came to the conclusion that a site with technical information about as many symbologies as possible would be a valuable tool for many developers.
	www.barcodeisland.com (250 words)

	Patron Barcode FAQ (Site not responding. Last check: 2007-10-21)
		In barcodes, every character has a distinct representation in a combination of wide and narrow bars and wide and narrow spaces and the barcode scanner is able to translate this back into the characters that these bars and spaces represent.
		Several of the barcode symbologies are considered to be "self-checking." This means that the barcode has a particular format that helps the barcode reader determine that it has read the entire barcode.
		If the barcode file does not currently contain a barcode number for a patron, but the incoming data does contain a barcode for that patron, the barcode number for that patron is added to the barcode file.
	www.ilcso.uiuc.edu /Web/FAQs/PatronBarcode_FAQ.html (5435 words)

	All About Barcodes. How Barcode Scanners Work (Site not responding. Last check: 2007-10-21)
		PDF 417 is known as a 2D (two-dimensional) Barcode, this is a high-density, non-linear Barcode Symbology that reminds you of a crossword puzzle.
		A Barcode Scanner'S function is to scan the Barcode symbol and provide an electrical output to the computer that corrEpsonds to the bars and spaces of the Barcode.
		Barcode DECodeR analyzes the content of the Barcode scanned, and transmits that scanned, and transmits that data to the computer in a traditional data format.
	www.genesisdistribution.com /all-about-barcodes.html (1133 words)

	UNDERSTAND HOW BAR CODES WORK
		Some barcode symbologies were designed to encode only numbers while others can encode numbers.
		Different barcode symbologies are to barcode as typefaces are to human readable text.
		There are various other barcode symbologies that differ only slightly to the human eye.
	www.barcodebook.com /html/understand_how_bar_codes_work.html (1157 words)

	Barcode Symbology
		Code 39 barcode is one of the earliest and most widely used barcode.
		It is a variable length barcode, which means that you will be able to encode any number of characters as a barcode.
		This barcode is typically used on items where space is a constraint.
	www.barcoderesource.com /barcodesymbology.shtml (426 words)

	Barcode product sheets, case studies and software updates
		Telepen is the only symbology to directly represent the full ASCII character set without shift characters.
		It is extremely secure as it has negligible risk of misreads, has a double density numeric only mode and is supported by most leading bar code reader manufacturers.
		You can also utilise our free barcode generator by using the Barcode Services navigation button on the left of the screen, and then go to Free Barcode Generator.
	www.telepen-barcode.co.uk /demos-4.htm (157 words)

	About Barcode
		BARCODES have a different way of encoding numbers and letters by using a combination of bars and spaces of varying widths.
		A BARCODE SCANNER’S function is to scan the BARCODE symbol and provide an electrical output to the computer that corresponds to the bars and spaces of the BARCODE.
		Portable barcode scanners are hand-held battery operated readers store data in memory for uploading to the host at a different time.
	www.barcodediscounters.com /aboutbarcode.html (1705 words)

	RVB Systems Group - Barcode Solutions
		It is based upon Channel Code, arelatively new symbology which was developed by a small group of barcode industry leaders during a trip across the English Channel.
		A single Code One barcode symbol is capable of containing 3550 numbers or as many as 2218 letters.
		They are a single barcode which is composed of both linear and 2D barcodes.
	www.barcode-solutions.com /barcodeinfo.html (763 words)

	Types of Barcode Symbologies. - Barcode.com (Site not responding. Last check: 2007-10-21)
		It is typically the non-food standard barcode, and is used for ID, inventory, and tracking purposes in various industries such as manufacturing.
		This is also a very compact symbology and you’ll see them on the corrugated boxes in which things are shipped to the grocery store.
		PDF417 - Known as a 2D (two-dimensional) barcode, this is a high-density, non-linear symbology that reminds you of a crossword puzzle.
	www.barcode.com /learning_center/types_of_barcode_symbologies.shtml (565 words)

	Eym Barcode Reader OCX FAQ
		The result from the reading process (barcode symbology, code type, location, descriptor, raw and formatted data) are returned to the calling application as properties of the OCX.
		For instance, the free demonstration application can read barcodes from a consumer grade webcam running at 320x240 resolution, provided that it was casually refocused (manually twisting its lens counter-clockwise) so that it can reasonably focus on objects that are placed only a few inches away from it.
		This symbology is capable of conveying a large set of characters and used extensively worldwide.
	www.metois.com /Eymbarcode/eymbcfaq.htm (1984 words)

	RSS Bar Code Information - FAMETECH INC. (TYSSO)
		The use of the symbology is inteended to comply with the EAN International (EAN) and Uniform Code Council.
		RSS-14 Stack is a variation of the RSS-14 symbology that is stacked in two rows and is used when the normal symbol would be too wide for the application.
		It comes in two versions, a truncated version used for small item marking applications and a taller ominidirectional version which is designed to be read by ominidirectional scanners RSS Expanded can also be printed in multiple rows as a stacked symbol.
	www.barcode-manufacturer.com /barcode_scanner/RSS_symbology.html (412 words)

	PDF417 Fonts and Encoder - Print PDF417 as a Font
		The Reed Solomon error correction adds significantly to the size of the PDF417 barcode, but this is usually not a problem because the barcode is two-dimensional, multi-row and can be printed at very small x dimensions.
		It is necessary to use the encoder because of the complexity of the symbology and the required Reed Solomon error correction.
		If your barcode scanner supports it, we recommend printing the PDF417 font at 6 points (which is about.009 inches, or 9 mil), if you need to print very small symbols.
	www.barcodestore.com /software/idautomation/pdf417 (1254 words)

	PDF417 Barcode Scanners & Symbologies - FAMETECH INC. (TYSSO)
		PDF417 can be scanned by linear PDF417 barcode scanners, rastering laser scanners, or two-dimensional imaging devices.
		Within each cluster, each symbol character is associated with a unique value in the range of 0 to 928; this value is called the symbol character value or codeword.
		RSS Code (Another popular linear symbology to be used with the EAN.
	www.barcode-manufacturer.com /barcode_scanner/pdf417_barcode_scanner.html (886 words)

	EaseSoft Support Page
		EaseSoft Barcode ASP.NET Web ServerControls use its internal HttpHandler to transfer barcode images directly to the client without any temporary files.It is the most efficient method to generate the barcodes dynamically.
		Most barcode scanners can scan the width in centimeters of the narrow bars is 0.03 CM which is about.012 inch or 12 mils.
		To achieve the best read rate, we recommend that you set to a value which is integral times of the pixels width of the target device (the width of a pixel in the display screen is 13.88 mils and the one in the laser printer is 3.33 mils).
	www.easesoft.net /Support.html (1744 words)

	AIM - Barcode technology
		Coupled with the improvements in data accuracy that accompanies the adoption of bar code technology over keyboard data entry, bar code systems are critical elements in conducting business in today’s global economy.
		Bar code technology encompasses the symbologies that encode data to be optically read, the printing technologies that produce machine-readable symbols, the scanners and decoders that capture visual images of the symbologies and convert them to computer-compatible digital data, and the verifiers that validate symbol quality.
		The various bar code symbologies differ both in the way they represent data and in the type of data they can encode: some only encode numbers; others encode numbers, letters, and a few punctuation characters; still others offer encodation of the 128-character, and even 256-character, ASCII sets.
	www.aimglobal.org /technologies/barcode (478 words)

	Barcode Symbology Evaluation and Test Sheet
		There are many situations when the size a barcode occupies is a concern.
		The symbols below are all encoding the same data of "BARCODE12345678" with the same narrow bar width or X dimension of.03cm or 10 mils.
		The barcodes will not appear in actual size until they are printed.
	www.idautomation.com /symbologyeval.html (178 words)

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